Whole house fans Musty odor from air conditioner Outdoor temperature and the air conditioner Back to table of contents . The central air conditioner in our house is very old. We feel we should replace it with a new high efficiency one. Look for an air conditioner with a SEER of 13 or higher. Also look for warranty coverage on the air conditioner compressor.
Some manufacturers provide up to ten years' coverage on compressors.
Back to beginning of topic or table of contents . I have an old house with a boiler radiator heating system. There are four options for you to consider. Ducts are installed in the same manner as in a forced air heating system. In place of a furnace, a device called an air handler is installed.