Section
Your Home
British housing was built to hold heat in. Solid brick, small windows, dark roofs and a decade of insulation retrofits aimed entirely at winter. Part O covers new builds. This is for the other twenty eight million homes.
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Shade the glass from the outside, or you are already too late
An internal blind stops the light after the heat is in the room. External shading stops it at the glass. What the regulations assume about west windows.
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What a portable air conditioner actually costs to run
The purchase price is the small number. Here is how to work out the running cost for your own unit, your own tariff and the nights you would use it.
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Work out how much cooling your room needs before you buy anything
Cooling is a number, not a feeling. Here is how to get it for your own room, and why the answer is often that a machine is the wrong purchase.