A: Families now have the choice to ask for an air-conditioner or heat pump that uses a more efficient and environmentally friendlier refrigerant called 410A or R-410A when buying a new system for their home. Less chlorine emissions, and also has a operates using higher pressures. Attention: As of December 31, 2009, R-22 refrigerant will no longer be made.
Q: Why should my filter be changed regularly?
A: Dirt and dust enter the furnace through your return air ducts. This causes the blowerto plug up and causes parts to go bad overtime. And as your filter clogs up, the furnace revs up to pull air through.