What Is the Most Efficient Residential HVAC System? Guide For 2026
Choosing the Most Efficient Residential HVAC System: What Efficiency Really Means Choosing the most efficient residential HVAC system goes beyond picking the highest SEER or HSPF. True efficiency means year round comfort, lower utility bills, healthy indoor air, and durable equipment that holds its performance over time. Efficiency is seasonal and situational. The most efficient setup in a humid G ...