: These are the updated efficiency ratings. Look for SEER2 ratings well above the 13.4–14.3 minimum for better long-term savings.
: The most common U.S. setup; pairs an outdoor AC with an indoor furnace. buying a new hvac system
While installation quality is often more important than the brand name, these manufacturers are current leaders: : These are the updated efficiency ratings
: These are the primary trend for 2026 because they provide both heating and cooling without burning fuel. Modern "cold-climate" models now work efficiently even in sub-freezing temperatures. buying a new hvac system
The HVAC market has recently stabilized after significant regulatory changes: