Blogs about: Heating And Hotwater
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Airlocks and how to bleed a radiator
Airlocks are a major problem in many radiator systems. When new water is added to a central heating system, a certain amount of air also enters the system. The action of the pump also draws out dissol… more →
GreenNav's Open Blog
Airlocks and how to bleed a radiator
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greennav wrote 9 months ago: Airlocks are a major problem in many radiator systems. When new water is added to a central heating … more →
Irish Government Home Insulation Grant Scheme
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greennav wrote 10 months ago: Well it’s official. The “Home Energy Saving Scheme (HES)” has gone national. I reported on the pilot … more →
Regulations for Energy Efficiency in Houses
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greennav wrote 1 year ago: Ireland and the UK have regulations which control all sorts of things in new homes. From security to … more →
What are Building Energy Ratings – BER
greennav wrote 1 year ago: Ireland, like most of the EU is implementing the Building Energy Rating (BER)Scheme, (also know as t … more →
Cooling down in the office – too hot at work 2 – create a draft
greennav wrote 1 year ago: Create a Draft When people are too hot in the office, a regular action is to open the window, but th … more →
Solar Thermal Panels - Flat bed or Evacuated Tubes
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greennav wrote 1 year ago: Solar Thermal Panels or Solar Water Heaters come in two main types… Flat bed panels and evacuated tu … more →
Underfloor or Rads - Heat Emitters - Heating
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greennav wrote 1 year ago: This is a quazzy energy question… but it comes up a bit, so… So first, the principles. Underfloor he … more →
Understanding Geothermal Heat Pumps
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greennav wrote 1 year ago: Geothermal heating… Geo=ground… thermal=heat. Someone told me the other day that it was really hot u … more →
Understanding Wood Pellet Boilers - A simple guide
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greennav wrote 1 year ago: What are wood pellets? Wood pellets are small pellets of compressed saw dust. Simply put saw dust is … more →
Understanding Solar Panels 1 - Solar Thermal
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greennav wrote 1 year ago: Solar thermal energy systems absorb the sun’s light and transfer it to hot water which can be used f … more →
Understanding – Kerosene bills – oil bills – heating bills
greennav wrote 1 year ago: Following on from my post on electricity bills, here is one on oil bills. I have cleverly nicked a K … more →
Understanding - Immersion heaters - hotwater cylinders
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greennav wrote 1 year ago: Immersion heaters, otherwise known as electric water heaters or hot water cylinders, double as water … more →
