Does your home need a new heater? According to the International Association of Certified Home Inspectors (InterNACHI), the average life expectancy of a furnace ranges from 15 to 25 years. If you're ready to replace your older system, take a look at the questions to ask your HVAC contractor about furnaces and residential heating installation right now.
Should You Buy a Furnace—Or Another Type of Heater?
There isn't one universal heater that works in every home.