Q&A: What is forced air, hydro heat and central air?
Sunday, February 5th, 2012by johnsoax Question by bumbypie: What is forced air, hydro heat and central air? I am looking to buy a townhouse and the ads keep saying that the heating and cooling system is hydro heat or forced air or heat pump. What are these things? Which one is better in terms of maintanence costs? If [...]