Labor is extremely expensive. The costs of heat pumps has fallen greatly. I put in a 12k mini split in my house last year which cost $850. (The tools to DIY

Labor is extremely expensive. The costs of heat pumps has fallen greatly. I put in a 12k mini split in my house last year which cost $850. (The tools to DIY cost around ~$150, but I've done 2 installs so far).