Heat pump / Green Building & Sustainable Home Renovation Information & Advice

...Heat pump buyers guide - which heat pump is best? All about passive heating and cooling How to heat and cool your home without AC How to build a backyard greenhouse in cold climates Find more about green lifestyle choices and home construction in the Ecohome Green Building Guide pages and find out about the ben...

Heat pump electric hot water heaters, good or bad idea? Water heaters are generally the biggest energy drain in a home after heating. so Air-to-water heat pump water heaters are potentially a big energy saver, particularly when the main heat source in a home is an air source heat pump, as the water heater can in effect...

...heat pump to heat the air of the house. This gives us air that is heated on average three times more efficiently (and three times cheaper) than had we relied on electric resistance heat in the form of baseboard heaters or our radiant floor boiler.  We also have an air-to-water hybrid electric heat pump hot water heater...

...heat pumps, and are ground source heat pumps "geothermal?" Let's clear up some confusion on terminology regarding heat pumps - search Google for Geothermal Heating Systems and you will find hundreds maybe thousands of companies using the word "Geothermal" to describe ground source heat pumps, two systems that have only...

...heater that offers you only a 1 to 1 ratio. The Voltex water heater from AO Smith is an air-to-water heat pump which extracts heat from the air to generate hot water, so in the winter that 3 to 1 heating ratio of the first heat pump is transferred to the water heater. And the more 'free' heat you have in winter (solar ...

...heat pumps really more efficient? When it comes to residential heating and cooling systems, few types of heating systems are as energy efficient as heat pumps. But what exactly are heat pumps and how do they work? In short, a heat pump is simply an electrically powered device that is capable of transferring heat from o...

...heat pumps in this house, an air-to-air heat pump that extracts heat from outside air to heat inside air, and an air-to-water heat pump. The air to water heat pump extracts heat from ambient air inside the home and transfers it to the hot water tank, offering efficient air conditioning in summer. As for heat storage, a...

...heat pump's heating mode during the heating season. The HSPF rating is calculated by dividing the total heating output of a heat pump by the total electrical energy input over the heating season. In the United States, the minimum HSPF rating for a new heat pump is 7.7. However, many high-efficiency heat pumps have HSPF...

...heating and cooling is to use that consistent interior earth temperature to balance our wildly varying North American & Canadian surface temperatures. With the use of heat pumps, geothermal heating and cooling systems extract heat energy and transfer it into buildings, saving approximately 50 to 60% on heating and ...