: Unlike older units that are "on or off," these systems adjust output continuously, leading to quieter operation and much better humidity control. 3. Top-Rated Brands (2026 Rankings)
: These are the updated efficiency ratings. Look for SEER2 ratings well above the 13.4–14.3 minimum for better long-term savings.
: Pairs an electric heat pump for moderate days with a gas furnace for extreme cold to maximize efficiency.
The HVAC market has recently stabilized after significant regulatory changes:
Buying a new HVAC system in 2026 involves navigating updated efficiency standards and a major industry-wide shift in refrigerants. For a typical 2,000 to 2,500 sq ft home, national installed averages range from . 1. Choose the Right System Type