Factors like ceiling height, local climate, insulation quality, and sun exposure can significantly alter your cooling needs. Efficiency Ratings:
Buying a central air conditioning system involves several key factors, including system sizing, efficiency ratings, and long-term reliability. A central air conditioner typically costs between installed, though high-efficiency units or those requiring new ductwork can exceed $12,000 . Key Factors for Selecting a Unit
Selecting the correct capacity is critical. An undersized unit will run constantly, failing to cool effectively, while an oversized unit will "short cycle," turning off before it can adequately remove humidity from the air.
Operates like an AC but can reverse the process to provide heat during winter.
This is the current standard for measuring seasonal efficiency. As of January 2025, new split-system units in the U.S. must meet a minimum SEER2 of 17.0 to be eligible for certain tax credits.
The most common setup, featuring an outdoor condenser and an indoor evaporator coil.