"Efficient"

Efficient / Green Building & Sustainable Home Renovation Information & Advice

Wood stove and biomass heat

Wood combustion – How firewood burns & how to get the best heat while being eco-friendly

...efficiently as the fire triangle is tightly controlled Now you know about the most efficient way to heat homes with firewood, find more pages about about sustainable green building in the Ecohome Building Guide and in these pages : Buyers guid to choosing the right wood burning stove or fireplace Guide to ra...

Heat pumps, geothermal and AC

Heat pump efficiency explained - The definitive guide to SEER vs HSPF vs (S) COP heat pump ratings

...efficient the heat pump is at cooling your home. By law in the USA and Canada, a heat pump has to have a SEER rating of at least 13, but the rating scale goes as high as 21. The higher the number, the more efficient the cooling provided by the system. The US Department of Energy established regional SEER rating standar...