We just got quoted $20k for the minimum setup for our house. Meanwhile, I have two "free" window units which probably cost me an additional $300 in the summer.

We just got quoted $20k for the minimum setup for our house. Meanwhile, I have two "free" window units which probably cost me an additional $300 in the summer. I really want heat pumps, but I just can't see how I can justify it for $20k.