Further Reading: I was just thinking about this subject but I am also in the heat pump camp, since I live in a one bedroom condo in a midrise building. Something I try to do as a landlord, but I admit I need o do a better job of trying to do more myself. Shortly after that I will do the conversion and heat my frozen shop. A couple of comments. After the Radiant head experiment I was inspired and took upon myself to replace the boiler for my house. Twist together the stripped ends of common wire with the white wire and then turning clockwise twist the marrette on the ends.
Old refrigerants were ozone depleting substances and also greenhouse gasses thousands of times more potent than CO2.
How to Replace Your Own Furnace
That's right, with a little help you can perform the furnace installation and save. The bottom line is that the usefulness of these warranties are marginal. Still, nice effort on getting it installed. I was blown away by how simple the install was. You still have to follow codes and get it inspected but you can do it. You need permits here in Washington County, Oregon to do anything, but my furnace is a 20 year old electric monstrocity that is now blowing luke warm air. Then you need to decide which side of the unit the return air duct will connect to or whether it will be attached to the bottom of the unit.