Efficiency
A heat pump asks the radiators to do more with less
Output from a heating surface collapses faster than the water temperature falls, which is why the emitters…
· 4 min read
Efficiency
The unglamorous measures that beat generation on cost per unit saved.
20 articles · page 2 of 2
Efficiency
Heating a room nobody is in is the loss controls exist to stop
Zoning, radiator valves and scheduling all attack the same waste from different directions, and the more…
· 4 min read
Efficiency
Getting the water out of laundry costs more than heating it did
Evaporating water takes several times the energy of warming it, which is why the spin cycle matters more…
· 4 min read
Efficiency
A heat pump is sized from a heat loss calculation, not from the old boiler
The survey that should precede a low-temperature heating system works out how fast the building loses heat…
· 4 min read
Efficiency
Heat recovery ventilation and the retrofit it rarely justifies
A heat exchanger can warm incoming fresh air using the outgoing stale air, which works well in a very…
· 4 min read
Efficiency
A thermal camera shows surface temperature and nothing else
Infrared imaging is genuinely useful for finding where a building is losing heat, and it is misread…
· 3 min read
Efficiency
Cooking uses less energy than the attention it receives
The differences between hobs, ovens and kettles are real and they operate on a share of household energy…
· 4 min read
Efficiency
Thermal mass changes when a house is warm, not how much heat it loses
A heavy building stores heat and releases it slowly, which shifts the timing of everything and does nothing…
· 4 min read