> but it's still a disturbing amount of energy usage and something I'm trying to debug As someone who is deeply frustrated with their HVAC this stood out to me. A new home should have exterior insulation. Plus the solar panels plus "efficient heat pumps". I would expect it to perform very well. I'm curious to know the square footage and how much power is being used. Did you have a blower door test done when the home…
Yes, they did blower door tests.