Does The EG4 Hybrid Solar Heat Pump Work At -17?

We finally got some cold weather and put the EG4 hybrid solar heat pump to the test. We also got our first ACTUAL gas bill in 2 months and the savings are pretty good! Get a $50 discount from Signature Solar on orders over $500 with the code SmitHVAC Check out the EG4 Hybrid heat pump EG4 Solar Ac 12kBtu -https://signaturesolar.com/eg4-hybrid... Join the Hybrid heat pump on Facebook   / 3021694.  .