Hello, all, I'm wondering if I can get a little help being convinced to do this... Background: Our house was built in 1980 with an air-source heat pump instead of a furnace. We live in Juneau, Alaska, which I believe has a design temp of -5*F. The heat pump was 36,000 BTU rated and had a minimum temperature of 32*F. The owner/builder of the house (he was a contractor) supplemented with wood, which must have been often because the backup resistance heating system tripped a load controller that shut off power to the stove, water heater and dryer. A couple years after the house was built the stove, water heater and dryer were converted to propane to free up electricity for a shop and MIL apartment to be built next door, tied in to the same 200A electrical service. The apartment is electric heat with propane for the stove, dryer and water heater. At some point after the house was sold to our previous owners, they had an 80% efficient, 105,000 BTU input oil furnace installed and replaced the wood stove with an oil unit (we started getting burn bans because of bad air quality in the 1980s from all the wood heating). Since that was obviously way too freaking big they had it downfired as far as it would go, so it is now a 79,000 BTU input furnace, so 63,200 effective (plus any stovepipe heat to the furnace room so let's round up to 70k to be safe).