I am assuming your home is ducted and has a forced air system. If you you only have 1 furnace and 1 condenser, it my be more energy effecient to expend to two units. I recommend Lennox. You can als ... read more
Currrently, you can receive a federal tax credit for 30% of system and installation costs.
In California, the state rebate incentive has been exhausted and is no longer available.
Typically, the price ... read more