Quote:
Originally Posted by Boris romanov
In this thread I would like to show my Hybrid Water Boiler that uses ground energy.
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Nice job, Boris. Very good workmanship.
Did you take any photos of the construction of your unit?
I'm a little surprised that you switch from heat pump heating to resistance heating at 45°F. Although the efficiency gets worse at lower temperatures, the efficiency is better than electrical resistance heat, much lower. I would think that depending on your unit, it might be good to 35°F or lower.
Thanks for sharing your project.
-AC_Hacker