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Retrofit radiant floor heating
Ken;
I also put in a geothermal system. For back up I have a pellet stove. Modern pellet stoves are quite efficient and also have the self light feature. With the costs of the pellets I can heat 4000 sq ft for about 2 dollars a day. I like the idea as I have no flue except a small vent out the stone wall.
I have a outside wood water heater and thought about the radiant system as a back up but the cost slowed me down. I also looked at the in plenum option and the coils are in the 900$ range. I still have not ruled this option out as the outside wood boiler is unused at present.
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Retrofit radiant floor heating
Murf;
One of the reasons that I pulled back from the under floor retro fit systems (the area I was considering has marble tile) Is that I would dry out the plywood. Depending on the type of wood on the floor the system could really do some damage.
I have room for the heat exchanger on the heat pump and therefore was considering this system. The old house had it set up this way and it was comfortable.
Ken;
I have the 24 foot sealings also but have a fan at the top. I don't find the room much different than the rest of the house.
The pellet stoves have improved yearly. The unit I have is far less effecient than the new system. I have my system in the basement and run it through the wall as it is a walk out on that side. There are a number of options.
The propane is an option although the only propane I have is for the gas stove top. I really did not want a large tank just for occasional work.
My heat pump also heats the domestic hot water and therefore have two separate tanks. As the heat pump heats the water most of the time I have only electric tank to keep the second tank warm after heating.
Eric
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Retrofit radiant floor heating
Mean ground temperature is 60 degrees here so the basement is always that temperature anyways. With the pellet stove in the basement this may make the difference in the front room. I have seen little difference in the upstair and down stairs temp in the winter or summer. I have the fan on a 4 ft rod is it possible that you are not pulling the air from the ceiling properly?
I did not go for the superdeheat on the geothermal. It only heats the tank when it is on.
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Retrofit radiant floor heating
I used the Nordic system it heat but does not turn on only to heat the tank. When the system is on it heats it does not come on just to heat the tank.
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