Forum Discussion
coolmom42
Feb 22, 2021Explorer II
ktmrfs wrote:time2roll wrote:
So the gas burns outdoors and is pumped in with the freon or a fluid? Sounds like a heat pump to me even if it uses heated air rather than the bitter cold outside air to move the heat.
I am sure the multi-speed blower and maybe multi-speed compressor make it very efficient.
One's I heard about have a plenum from the unit to the house to move hot/cold air for heating or cooling. Unlike an outside AC unit that has the freon lines going to the inside furnace and plenum.
think of it as a typical furnace mounted outside the house. Some are roof mounted.
So, no they are NOT a heat pump for heat, just a heat pump for the AC just like any AC unit is. Likely reason they need 240v is for the AC unit, so they run the furnace section off the 240V or may have an internal transformer for the furnace section.
This is exactly what it is. It's NOT a heat pump. I've lived in this house 25 year, and this is the 3rd one I've had. (2nd one was 5 yrs old and got fried by lightning last summer.)
They are very common in my small town, because 2 of the main subdivisions were built in the 1960s. Lots of growth in this area at the time, and budget houses were a great deal (and still are.) This is a very common style of house in this area. Crawl space, no basement, less than generous closet space, low slope attic, typical ranch style houses. So there is NOWHERE to put a traditional split system furnace/AC unit.
I sacrificed a chunk of the bathroom closet to the return air ducting. The houses were originally build either with electric wall heaters, or radiant ceiling heat, and large window air conditioner units.
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