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There are big selection problems that are associated with
Air Conditioner Prices. Among the most noted ones are typically in accordance with specified areas like electrical Problems, issues with the filters air inefficiency as well as the refrigerant. These problems have over time lead to many conditioners inefficiency and poor services compared to the predicted results. When air conditioners go low on the level of Freon their common cooling effect is tampered with and correct is needed. The electrical Problems arise when the Freon units are not well tested or are dribbling and this automatically leads to electrical Problems. The electric issues therefore are indicated by either hot air blowing from the conditioner or it fails to turn on at all . Other electric Problems noted with air conditioners are related to poor wiring or the fan motor poorly fixed.

Another problem is when the Trane Air Conditioner unit is freezing up especially in cases when you’re operating the machine below the commended temperatures. This is for example operating outdoors at lower than sixty degrees temperature levels. When this occurs it is much advocated to turn off your Freon unit but let the fan run until all the ice liquifies. The refrigerant levels are should also be kept high since keeping them low there Marjory causes the unit to freeze. All parts of the gear should be well cleaned especially the filters and the coils.

Some Problems arise from the house – for instance when the filter fixed inside the air conditioner unit panel clogs one can simply change it. When it isn’t modified for certain duration of time and it has clogged, the freezing up problem arises due to fining of the condenser. It’s very crucial to make sure that the essential function of the air conditioner is had a meeting with, which is taking the heated air within the machine and replace this with by sifting in cold air with the Freon. Poor machine keeping can also result to other air conditioner issues like leading to blocking of the condenser fins. This may easily be resolved by using designed brushes for cleaning in between the fins.

Other problems also arise from the outside units particularly when the condenser fan is burnt up and so to ensure safety a professional is required to examine the precise problem. Re- installation and perfect wiring is needed to avoid warping of the condenser seals. Another air conditioner malfunction can be from the contractor and this is generally noted when it makes a boozing sound. This may easily be stemming from the rate of electricity flowing and with the expected use rate. This is however fixed by turning power off and disconnecting the Ohm wires from each lead then label them to guarantee perfect mounting.

After resolving the most serious issues with the air conditioner and it still receives insufficient cooling, it advisable to check out on the tightness of the air ducts. Proper insulation should also be checked to ensure ideal capacity performance.

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What Do You Know About Water Brands Quality?

Energy technologies used in buildings have advanced rapidly over the past decade. Although no wholly new HVAC technologies have appeared in that period, many options have improved, become more reliable or dropped in cost. Still, many HVAC technologies that could cut operating costs, such as variable-speed drives and energy management systems, remain underused.

With an understanding that what’s new for one customer may be old hat to another, here’s a brief shopping list of options.

More Efficient Central Cooling Systems

Electric chillers — complete with variable-speed drives, oversized heat exchangers, hot gas bypass control, to name a few features — have redefined efficiency from a “good” .7 kw/ton in 1990 down to about .5 kw/ton or better, cutting power demand and consumption almost 30 percent. Gas-fired reciprocating or double-effect absorption cycle chillers replace demand for electricity with use of natural gas. Thermal storage systems have become modular and more reliable, allowing them to fit into spaces with only marginal real estate value. Where electricity is expensive year-round, “free” cooling using cooling tower condenser water is no longer uncommon.

Rooftop and packaged units containing compressors and fans have become significantly more efficient, mostly as a result of changes to product efficiency standards mandated by the 1992 federal Energy Policy Act. Improvements of 20 to 30 percent are now common. Heat pumps and window air conditioning units are 10 to 15 percent better than they were only a decade ago.

Better HVAC Distribution Options

Those same federal standards raised minimum efficiencies for fan and pump motors and now require variable-speed drives on smaller units. VAV fans down to 30 horsepower must now be able to run efficiently at lower loads.

Although not necessarily designed purely for energy efficiency purposes, underfloor air distribution and radiant cooling systems, as well as dedicated outside air systems, are becoming more accepted as their reliability improves and their installation costs drop.

Economizer cycles, which replace return air with outside air when it is cooler, and air-to-air heat exchangers, sometimes called displacement systems, have been around for decades, but are now required by code for many new air system designs.

More Controls Clout

A variety of sophisticated control systems are also either required or accepted to meet building codes for new construction. A good list can be found in the changes made between ASHRAE’s 90.1-1989 standard and its 90.1-1999 version, which is now part of the federal standard that all states are supposed to adopt as part of their own building codes by mid-2004. Among those options to meet code are:

• Automatic ventilation controls for high-occupancy areas, including variable outside air volume based on carbon dioxide monitoring.
• Zone and loop controllers incorporating control error correction, plus a deadband when separate thermostats control heating and cooling in a zone; doing so limits reheating and recooling done by separate systems.
• Automatic shutoff controls for the supply of conditioned air, outside air and exhaust air to each zone, as well as automatic shutdown controls for off-hour operations or only minimal flow to maintain temperature.
• Motorized dampers in stair and elevator shafts and outdoor air supply exhaust hoods, vents and ventilators to minimize updrafts and infiltration.
• Resettable chilled and hot water temperatures in smaller systems —over 300,000 Btuh instead of the previous 600,000 Btuh.




Potential Savings

Although savings will vary greatly depending on climate, energy pricing, and building type and age, analyses by the U.S. Department of Energy indicate that applying just the relevant HVAC aspects of the 1999 ASHRAE code to America’s stock of buildings could yield savings of about 2 percent on electric usage, almost 3 percent on gas, and about 2 percent on overall energy bills, relative to present consumption. Comparing that to pre-1989 code buildings as a base, another 2 to 3 percent — for a total of about 5 percent — could be taken off annual energy bills for all U.S. non-residential buildings.

At first blush, that may not seem like a lot, but those numbers are based on the total building stock in the United States. A simplified calculation for a 160,000-square-foot office park in a mid-Atlantic climate finds its energy and dollar savings ranging from 8 to 15 percent, relative to the same facility being built before the 1989 standard came into play. In rough dollars, that boils down to about 15 to 35 cents per square foot per year, roughly comparable to many high-efficiency lighting upgrades.

Despite the range of choices, their proven track records and the potential savings, there has been no rush to take advantage of the newer technologies and designs. Why? There are several reasons.

One is that taking on any new technology involves a learning curve and some risk of failure or inconvenience. In the absence of an in-house champion for energy cost cutting, there may be no one to make the case that upgrading HVAC systems will make much financial difference.

Experience also shows that, for every one person willing to say “yes” to energy efficiency, there are 10 who say “no.” The first items to be value engineered out of a building’s mechanical design, for example, are often energy efficiency options that are not needed to make the overall system work acceptably.

In one major Northeastern institution, building operators resisted changing out their single-stage absorption chillers, fed by expensive utility steam, for a hybrid electric and gas-fired absorber plant because of a lack of knowledge and training on the new system.

In another case, word-of-mouth stories about how some new technologies were problematic or did not deliver expected savings were enough to block consideration of newer versions that had acceptable track records.

Many dyed-in-the-wool HVAC practitioners show little interest in learning about new technologies. Such technical inertia may stem from an attitude that says all hours of personnel time should be allocated to an existing job, so only a request from a customer to consider a new option will result in an investigation. An increasingly litigious culture also creates a financial risk when specifying, designing or installing anything not already tried-and-true.

Problems may also occur during adjustment of a base building design to accept new devices that, to be more efficient, are larger than originally called for or are unavailable in sizes needed to accommodate existing or projected needs. One customer wanted to install exhaust air heat exchangers in a lab building, but doing so would have required changing the setback on the floor containing the air handlers, which would have disrupted the building’s appearance.

Many new systems involve longer lead times for delivery that are unacceptable in tight building construction schedules. If a device is not readily available, whatever is on the shelf at the local supply house may be installed instead.

The incrementally higher cost of some new systems — including design, installation and commissioning — may also stand out more than potential savings, which typically take years to cover. Any possibility of selling the building during that time period creates uncertainty about recouping those extra costs.

For existing buildings, installing a new system may require alteration or contact with other systems or spaces that could create new problems. High-efficiency motors, for example, may require replacement of old circuit breakers unable to accommodate their higher in-rush current. If those power panels are touched, that may require upgrading them to meet new electrical codes, resulting in disruption and higher costs.

Some complex options, such as cogeneration, are very sensitive to changes in utility rates, thus creating significant financial risk for developers and building owners. Such fears lead to a wait-and-see attitude that is often the kiss of death.

Finally, the method to calculate savings from such new devices may be outdated or too narrow. Where average power pricing is used instead of a computer model that takes time-of-use costs into account, savings could appear lower than may actually occur. In other cases, savings or credits that should be taken are left off the balance sheet. When an electric chiller was to be replaced with a gas-fired unit, for example, a significant drop in a building’s peak electric demand would have resulted, allowing for installation of new power-consuming devices like a mainframe computer without a need to beef up the transformer or main electric service capacity. That large avoided cost was not included in the payback analysis for the chiller changeout, yielding an unacceptably long payback period.

No Pressing Need

Another reason that more efficient HVAC technologies haven’t been adopted more quickly is the absence of factors that make energy upgrades a higher priority within corporations. In many parts of the country, for example, energy prices were relatively stable for most of the 1990s, eliminating a major impetus for upgrading HVAC systems.

In other cases, a developer has no concern for the operating cost of the building because the occupants will pay the energy bills. Any additional cost may even make the structure harder to sell.

In roughly a third of states, energy codes either do not exist or are so poorly enforced that contractors know there is essentially no reason to comply with them. The increase in demand for fire and electric code inspections has swamped many jurisdictions, leading them to drop inspections or reviews for such non-safety issues as energy. Until the adoption of ASHRAE 90.1-1999 in 2004, most energy codes apply only to new buildings, allowing renovations, which affect the lion’s share of buildings, to escape coverage.

When most utility-sponsored energy rebates were dropped in the late 1990s as a result of power industry restructuring, many companies lost interest in pursuing the options once supported by such “free” money.You can see more of HVAC Supply at bidformaterials.com.

Heating & Ventilation systems generally consist     of both supply and return air systems that circulate the air through a designated area.

Specifications for specific job applications.

Some examples of these abilities are:

• General Ductwork Systems
• Kitchen Ventilation & Canopy Systems
• Dust and Fume Extraction – C.O.S.H.H.
• Room Pressurisation Systems – Food & Pharmaceutical Specification
• Marine Specifications
• Hospital & Healthcare Specifications

Informations in HVAC Supply, you can visit bidformaterials.com to know all about heating and ventilation.

There have been some unfortunate events at my household over the past few months. I currently live with my parents, since I am still 20 years old. During the summer there was some extreme heat and our air conditioning broke. The AC in my vehicle also went out on me and so I spent the entire summer being hot. I was too caught up in the complexities of the situation, that I took things for granted still. And now that it is creeping up on Decemeber the temperatures are going to become piercing frigid.

By coincidence, our heater broke as well. I have spent the last few days shivering cold from the temperatures and its crazy. However, through all of this I started thinking about those families that do not have the ability to use an AC or a heater in their daily lives and how tough it must be. I thought about all of the families that have to hide under tarps to block themselves from the cold rain. It hurts me to know that I have taken these two items for granted all these years without ever considering how hard it must be to not have them.

For that I am glad it actually happened; it opened my eyes to a new vision that lets me see the challenges millions of people face each day. May the Lord bless those without these essentials.

Another day passes, well almost in few hours. It has been a good day and boy, why should it not? Got out of bed at 6.30am, then had my self service breakfast. Struggling not to spill my hot coffee over myself as my eyes started to perform their auto shutdown. Quick check on my e-mails, junk, click, junk, click, spam, click, spam, click, why am I such a great target for these mails. After 10 minutes, decided to greet the ever happy face of ‘ MamaSun ‘ good morning or more like a good yawning. Great start! For another 3 weeks…

“Two more low, yu foe peepel khonna finist sealing up te loof on te first plock, oukay“.(Translation please. “Tomorrow, you four people gonna finish sealing up the roof on the first block, okay“) That’s one perfect imitation of  supervisor Benson post briefing ” yes.ter.tay ” (YESTERDAY). And so the big boys(The Dive Instructor, The Chef, The Captain, The Bell Boy) unique replied “Yes POUST(boss) “(that was only me actually, now I feel bad)

And so we were on the roof again. So what are we sealing up there? Holes of course.Rows of hundreds of holes to be sealed up. Why? So there will be no more complaining about water leaks into 20 rooms next year. Packed with loads of silicone sealer tubes and two silicone guns we thought we had the upper hand in the  war. Only until ‘ MamaSun ‘ decided my morning greet was not good enough. Under the 33 centigrade, we lasted less than 5 minutes gunning down the leaks. Double strike as the heat reflected from the roof straight to our face broke our great formation we decided to take cover. And we did. It took us 15 minutes under the shade to gather our courage before succumbing to the heat wave in less than 5 minutes(Again). We had to commit defeat and keep pretending we had just finished a row every time the supervisor passed by. Very smart.

But then, of course we managed to get the jobs done. Salute to my fellow comrades. Another battle tomorrow. 4 more blocks to go!

In 2009 H1, Chinese home apparatus industry connected to decline. From January to May, 2009, sales acquirement of this industry totaled RMB 266.104 billion, bottomward by 7.71% YOY. The accumulation accomplished RMB 10.359 billion, ascent by RMB 1.32 billion YOY. Â From January to June, 2009, assembly of Chinese home gas accoutrement was 11.

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Our house is a 1955 basement-less ranch with 3 bedrooms and 1 bathroom. It measures 1147 square feet.

The exterior has an exposed brick chimney that continues indoors to form the fireplace. The siding is tongue-and-groove installed vertically. The front and back façades have fixed floor-to-ceiling windows that angle at the top where they meet the cathedral ceiling. (Hi, Barney!)

The shorter windows on the front of the house to the right of the carport are wood framed double-hung windows installed horizontally, so they slide open at both sides. Most of the windows in the house are installed that way.

On the left side of the house is the carport. Inside the carport is the door we use as the primary entrance to the house, as well as the doors to access the storage area built in on the far left.

On the right side of the house is a sidewalk to what I assume is supposed to be the “formal” front door, because it opens into the living room rather than into the kitchen, as the carport door does.

To the left of the “front” door are the only windows that open differently from the rest of the windows in the house. They are crank-out windows with aluminum or vinyl casings, I’m not sure which.

Back to the left side of the house. Behind the carport is the patio. The patio is currently decorated by four plastic adirondack chairs, a propane grill, and the air conditioning compressor. Not impressive.

What is impressive is the thornless honey locust next to the patio. It’s huge and beautiful.

The back yard slopes downhill from the patio and back of the house to the neighborhood sidewalk.

Wedgewood Park does not have sidewalks along the streets. Instead, the sidewalks run between the back yards where an alley would be. A neighbor said that after the neighborhood was built, a 50-year deed prohibited homeowners from building fences around their back yards. Even though the deed has now expired, we are fortunate to live on a block with few fences, so the view is unobstructed.

This is the view from the sidewalk back up to the house.

The back of the house features a large window in the master bedroom that mirrors the one on the front of the house.

Now let’s head inside through the door in the carport. As soon as we decided to buy this house with its dark blue exterior, I knew I wanted to paint our front door bright yellow. It’s Benjamin Moore Exterior Soft Gloss 2022-10 “Yellow.”

Alright, fun story time!

I had the air conditioning in my dorm room on “low” for several days (it has four settings–off, high, medium, and low).  Being a reasonable person, what would you do if you were cold?

Acceptable answers include:

1. Drop hints that, hey, it’s kind of cold.
2. Ask to turn it off.
3. Just turn it off, getting the point across.
4. Ignore it and deal with it.

Okay, now imagine that you’re the most unreasonable person on the planet.  What would you do?

If you answered “turn it off, then break off the knob and hide it somewhere,” chances are that you’re either:

1. A psychopath of some sort.
2. My roommate.
3. All of the above.

Seriously, the guy didn’t even say anything. Not once. He never turned it off before, never dropped a single hint, he just stole the knob and ran with it.

Of course, this was the stupidest idea ever. I know not to retaliate to this kind of thing, but my friend had an idea and I sort of had to go with it. There wasn’t really any option, since her idea was stinking fantastic.

We got some pliers, turned the air conditioner back on to “high,” and left. Round Two goes to me.

Heat and Cool guarantees the best prices, the best products, and the best customer support and for a wall air conditioner, their range is top of the line. The mini-split and ductless wall air conditioner offers high efficiency and is the best in both cooling and heating technology. Other features of this wall air conditioner include variable capacity for different room size and provides homeowners with a better and more economical heating capacity in the colder winter months. As with all of the Heat and Cool air conditioners, the KSIB series of wall air conditioner are environmentally-friendly, easy to install and the active carbon filter will make certain that the home is filled with a constant circulation of clean, fresh air. However, a relatively unique feature of this advanced wall air conditioner is the self-diagnostic system that notifies users when the conditioner is not functioning at optimal levels, as this saves on maintenance and downtime.

In order to view the numerous choices offered for wall air conditioners, the Heat and Cool website at http://www.heatandcool.com allows users to view the specifications and features of a number of air conditioning units, such as the Kilmaire Central Ducted Systems, the PTAC Systems, and the Fedders Central Ducted Systems. Furthermore, users will be able to find out more about air curtains, water source heat pump, and air conditioning accessories, which include equipment pads for the wall air conditioner, extension kits, and the wall hanging bracket that allows the wall air conditioner to be securely affixed to the wall. A wall air conditioner is certainly an optimal choice for any home, especially in one where space is limited, as the unit will be securely affixed to the wall and will save on space, unlike a free standing air conditioning unit. The Heat and Cool website allows users to obtain live support, as well as receive help during the installation of the wall air conditioner, and furthermore, they will be able to request the assistance of a contractor if needed.

Purchasing the wall air conditioner unit is just a simple, as the Heat and Cool website has been designed to allow online buyers to select their unit, and shipment will be professionally handled by FedEx Express. Whether you are seeking the powerful performance of an air curtain, or the massive cooling and heating capabilities of a PTAC system, or the space-saving ability of the wall air conditioner, you will find the exact unit needed to suit your needs on the easy-to-use and easy-to-navigate Heat and Cool website. If you are looking for the best prices, the best products, and the best customer support, look no further than Heat and Cool, which is determined to ensure that you find the best air conditioning units to suit your family’s needs. Please feel free to browse the Heat and Cool website to obtain further details and specifications on the wall air conditioner, along with many other types of effective and powerful units.

same idea can be applied to the cooling system, close to the edge of the ideal free cooling times for

your economizer.

With my man away on a boys weekend, and temperatures of 37 and 38 degrees Celsius predicted, the air con cleanout was left to me.

To beat the heat and avoid roasting on the roof, I got onto the task as soon as I got up. After placing a call to my brother for some tips, I was ready to go and undertook the following steps.

1. Applied sunscreen and put my straw cowboy hat on.
2. Skirted around the house looking for where the air conditioner was located – it’s strange that I had never looked for it in our two year history here – and discovered it on the skinny side of the block.
3. Unfolded the ladder, a present from my parents one Christmas.
4. Decided against putting it up in the skinny side of the house because the ladder was too steep. Tried another spot that was equally as dangerous for the climb and started giving me vertigo, however I discovered moss growing in the gutter prompting a relapse into a favourite childhood pastime of poking moss with my finger to feel how spongey it was. Finally I settled on where two parts of the roof meet together at 90 degrees. This gave me a nice little roof ladder.
5. Attached the trigger nozzle to the hose and unwound it, hoping it would reach the air conditioner.
6. Climbed the ladder with the hose, swung my leg over the gutter and scaled up the corrugated iron to the gable.
7. Having not been on our roof before, I had a good stickybeak into the neighbours’ yards and admired the view which was punctuated by other air conditioning units on roofs. I also discovered that our TV aerial is the neighbourhood birds’ pooping point.
8. I did a reconnaissance of the air conditioner and it did not look like the one I used to help Mum and Dad clean out, so I was back on the phone to my brother for further clarification.
9.  This time I climbed the ladder armed with an array of tools wedged into the waistband of my shorts. A shifter, a screwdriver and a snap-lock sandwich bag to put the screws in so I wouldn’t lose them.
10. Unscrewed the first panel and took it off, laying it on the roof above the unit.
11. Started spraying the honeycomb like pads and watched all the dirt come out. It was kind of like when you put the hose in the seals around your car’s windscreen and all variety of dirt and debris shoots out from the pressure.
12. When the water ran clear, I moved the pad a bit so I could get the next one off. With all the water absorbed in the pads, it became a little heavier. This plus the gradient of the roof and the sled like shape of the panel led to a beautiful comedy. The panel started to move, which I didn’t think would be a problem until it eluded my grasp, continued it’s downward trend and instead of stopping in the gutter where I could retrieve it, it launched off the roof and bounced into the neighbour’s tree before landing on the ground. Unsure as to whether it was in our yard or the neighbours, I had to climb down the ladder and go looking for it. Luckily it was in our yard and it wasn’t damaged.
13. As I came down the ladder in search of the panel, my phone rang. I explained what I was doing and my friend offered her handy new husband to come and finish off the job for me!

So a big thank you goes out to Paul who took over from me on the roof, sprayed the rest of the panels, cleaned the water out of the air conditioner, put some Pine-O-Clean in the clean water and rescrewed the panels back in place.

I am now enjoying the cool breeze of the air conditioner which I’m sure will get a lot of use over the rest of the summer. Air con, an essential item for living in Mildura, in the car and in the house.

Membersihkan unit AC bagian dalam (indoor unit)
1. Sebelum melakukan tindakan pemeliharaan, aliran listrik harus dicabut.
2. Untuk membersihkan, lap dengan kain kering yang lembut.
3. Hindari penggunaan amplas atau pemutih.
4. Jangan gunakan air dengan temperatutr di atas 40 derajat Celcius karena dapat menyebabkan deformasi atau menghilangkan warna.
5. Material mudah menguap dapat merusak permukaan AC (misal alkohol).
6. Untuk penyaring udara (filter) di balik kisi depan harus diperiksa dan dibersihkan berkala minimal 2 minggu sekali.
7. Cara membersihkan penyaring udara:
- Angkat kisi panel bagian depan kemudian tarik filter perlahan agar lepas.
- Bersihkan penyaring dengan vacuum cleaner atau semprot (spray) dengan air.
- Jika kotoran mencolok, cuci dengan air sabun (deterjen) hangat (jangan terlalu panas, harus dibawah 40 derajat Celcius).
- Setelah dicuci dengan air goyang-goyangkan kemudian keringkan di tempat teduh (filter tidak de desain untuk dijemur di sinar matahari).
- Pasang kembali penyaring udara.

Membersihkan unit AC bagian luar (outdoor unit)
1. Kisi panel dan koil penukar panas pada outdoor unit harus diperiksa rutin dan harus dibersihkan dengan steam jika tersumbat kotoran atau jelaga.
2. Sebaiknya outdoor unit diberikan tudung untuk melindungi terhadap matahari dan hujan. Tudung jangan terlalu rapat dengan outdoor unit, karena out door unit memerlukan ruang yang cukup untuk sirkulasi udara.
3. Sebaiknya hubungi teknisi untuk pemeriksaan berkala sekitar 3 bulan sekali.

Sumber: 19design.wordpress.com

Filling up for Less: Gas Saving Tips

If you must drive, here are some easy ways to make a difference for the planet and save money at the pump:

• Mind your maintenance. A well-tuned car burns less gasoline, so get your oil and air filters changed regularly. Not sure if your filter needs changing? Take it out and hold it up. If you can’t see any light coming through, it’s too dirty.
• Check your tire pressure monthly (you’ll get the most consistent results by using your own gauge when the car is cold). Americans driving on underinflated tires waste 4 million gallons of gas each day and reduce their tires’ lifespans.
• Oil-change shops urge us to change the oil in our vehicles every 3,000 miles, but most cars nowadays don’t need oil changes that often. In fact, most manufacturers say you can go 7,000 miles without a problem. Change less often and it really can save your engine and the planet – not to mention your wallet.
• Check out the car show. Not just any car show, visit the Sierra Club Virtual Clean Car Show to find out which cars meet the California clean car standards.
• Clear the clutter. Every 100 pounds you carry inside your car lowers its fuel economy by 1 to 2 percent. So if you don’t need it, don’t have it in your trunk.
• Don’t drive like a jerk. Fast, aggressive driving is a big fuel waster. Try to maintain a constant speed – most cars reach peak efficiency while cruising between 55 and 60 miles per hour – and avoid rapid acceleration and braking, which can increase fuel consumption by as much as 40 percent (and make everyone else on the road hate you).
• Keep your cool. Need relief from the heat? Use the air conditioner if you’re going faster than 40 miles per hour, since a lot of engine power at high speeds goes to reducing drag. When you’re cruising around town, it’s more efficient to roll down your windows. Think different. Could some of your short trips be made on public transportation or by walking or riding a bike? Combining trips helps, as does carpooling with friends.

Adapted from SierraClub.

East Village. NYC. 10003

I would assume the half that wasn’t dead kicked the bucket after this job was done on it.

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Please do not steal these photos. It is simply bad karma and you could develop a nasty rash all over your body – is it really worth the risk?

I can suck it up and be alittle warm but I hate doing it to them, so I cooled down the house via the 220 monster……..

We had a nice dinner together…..a kid classic….sloppy joe……after that we walked over to the canal and got in alittle trigger time with the BB’s……..

Just chillin out now……..I go to work in the morning and they go back to their Mom’s house….

HVAC Return Air Ducting
Air Conditioning Sizing – Tips on Ductwork

There is nothing more uncomfortable than lying in bed on a hot summer night sweating. Tossing and turning does no good. What’s worse, you know that the first floor or basement of your house is much more comfortable. Does it have to be this way? Absolutely, positively NOT!

My house and lots of others that I have built and remodeled are very comfortable, even in the hottest weather. The reason is simple. My HVAC contractor, Richard Anderson, knows the importance of return air ducting AND sizing correctly both supply and return air ducts. This is the key to comfort.

Existing Hot Houses

I’ll bet that 3 out of 5 people who read this bulletin have an existing home that has no or inadequate return air ducts. Don’t worry, we are going to solve those problems. It isn’t always going to be easy or pretty, but it can be done.

Return air ducts are necessary in just about every room. However, there are two rooms that I never place return air ducts – kitchens and baths. Let’s try to keep the garlic odors and hair spray in these rooms if you don’t mind! The reason for return air is simple. Your furnace is simply a recirculating pump. Instead of pumping water, it is pumping air. We need to get the air back to the pump. Furthermore, without a return air duct in each major room, the supply duct air has to “push” all of the air in the room out of the way as it makes its way towards you. The return air ducts help pull the air as it is being pushed.

Where Can You Put Them?

If you have an existing ranch style home, installing return air ducts in each room can be done fairly easily. You do what we do in new homes. You use the wall cavities as the duct. Think of it. Drywall that is nailed to 2×4s is really a duct – a box with 4 sides. All you have to do is cut out the floor immediately below the wall cavity as well as the bottom wall plate. Once you have created the opening, sheet metal will allow you to connect this to your existing return air system.

Two story houses can be more of a challenge. You have to figure out a way to get return air from the ceilings of the second floor to the basement or furnace room.

Do you have a laundry chute that you don’t use that often? Can it be sacrificed for the cooling cause? We have used these with tremendous success.

Sometimes, you can use a kitchen pantry closet or a hall closet. We have often been able to put a duct in one corner of the pantry or closet. This duct extends up to the second floor where it often lines up with an interior hallway wall.

Often you can collect the ceiling air through a network of flexible pipes in an attic. These pipes join together in one central location that permits you to run a duct down to the basement or a second floor closet.

As a last resort, you may have to put a duct in the corner of a room(s). These can be drywalled easily. To effectively disguise it, you may build another one several feet down the wall. Shelves can be put between these two “stacks”. If they are in a child’s room, they can often be painted in a decorative manner as if it was intended for them to be there.

It was common in many older homes to have projections in rooms such as this. These bump outs often were fireplace chimneys as they rose through to the roof.

Balancing Return Air Flow

If you want to really have a way to get the most bang for your return air buck, think of installing grill covers on the wall that have operating louvers. This will allow you to choke down rooms possibly on the first floor that are drawing too much air. This in turn creates a greater suction in the rooms that really need the cool air. This principle is no different than dampers which are used on supply lines to regulate air flow.

The grills with louvers are inexpensive and effective. On an older existing home that is being retrofitted for central air-conditioning, they are a must.

Reversed Air Flow On Old Homes

Do you have a house that is approximately 80 years old? If so, your supply ducts may be on inside walls. You may have a single giant return air grill in the floor or at the bottom of a staircase. This is all wrong.

Supply ducts should be located on outside walls, preferably under windows and near doors. The intent is to wash the exterior walls with heated or cooled air. You are trying to combat the heat or cold at its source.

The single giant return air grill in the floor balances the load at the furnace motor, but does nothing to promote cross ventilation in each room.

I wish you luck in your effort to stay cool in good HVAC Supply.