Heat pump that fits in an existing system (ie, don’t need a fan)

Hello all!5 years ago when I bought my current house, I had to replace the HVAC system and I opted for a combination propane / wood furnace. The propane unit… Hello all!5 years ago when I bought my current house, I had to replace the HVAC system and I opted for a combination propane / wood furnace. The propane unit…Read MoreGreenBuildingAdvisor