My house in New England (built in 2010 with the cheapest appliances possible, it seems) is currently outfitted with propane furnace water heater for baseboard and hot water. I just upgraded to a Mitsubishi Hyper Heat Pump for the entire house (2150 sq. ft) and have been enjoying it quite well in the summer months (have not yet had it for the winter) found that it has increased my electric bill by an average of $28/ month for cooling.
That being said, I have developed an affection for energy efficient appliances/ heat pumps in particular. My local box store has a sale on the GE GeoSpring water heater for $550. I am considering getting this, as my current furnace and water heater are absolute propane hogs. My concern lies in the fact that my basement, where the water heater would be, would get cold as it is surrounded by frozen ground on three sides in the winter and cold air on the remaining side, with only a glass walkout door. I don't imagine that the heat pump water heater would be able to keep up in the winter months, and it has the electric strip supplementation which could take over for the winter, but again I face the inefficiencies associated with that.
And after my long winded introduction, I ask you the feasibility of the following proposal: could I use the hpwh to supplement the lpwh in the winter months, and plumb in several three way valves to isolate the lpwh in the summer months? Has anybody else seen this sort of application, either with the combined water heaters in parallel or series? The diagram shown is my intention for the system via plumbing, at least. With the three way valves, it can be (in theory) utilized as HPWH only, LPWH only, or HPWH preheating LPWH.
That being said, I have developed an affection for energy efficient appliances/ heat pumps in particular. My local box store has a sale on the GE GeoSpring water heater for $550. I am considering getting this, as my current furnace and water heater are absolute propane hogs. My concern lies in the fact that my basement, where the water heater would be, would get cold as it is surrounded by frozen ground on three sides in the winter and cold air on the remaining side, with only a glass walkout door. I don't imagine that the heat pump water heater would be able to keep up in the winter months, and it has the electric strip supplementation which could take over for the winter, but again I face the inefficiencies associated with that.
And after my long winded introduction, I ask you the feasibility of the following proposal: could I use the hpwh to supplement the lpwh in the winter months, and plumb in several three way valves to isolate the lpwh in the summer months? Has anybody else seen this sort of application, either with the combined water heaters in parallel or series? The diagram shown is my intention for the system via plumbing, at least. With the three way valves, it can be (in theory) utilized as HPWH only, LPWH only, or HPWH preheating LPWH.
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