10 Tips to Improve Your HVAC Efficiency

A dirty filter makes your system work harder, consuming more energy. Replace 1-inch filters every 1-3 months, or thicker filters every 6-12 months.

Set temperatures to automatically adjust when you're asleep or away. Smart thermostats learn your schedule and optimize heating and cooling automatically.

Check windows, doors, and ductwork for leaks. Use weatherstripping and caulk to seal gaps. Duct sealing alone can improve efficiency by 20%.

Proper insulation in your attic, walls, and floors keeps conditioned air inside. Focus on the attic first—heat rises and escapes quickly through poorly insulated attics.

In summer, run fans counterclockwise to create a cooling breeze. In winter, run them clockwise on low to push warm air down from the ceiling.

Maintain at least 2 feet of clearance around your outdoor condenser. Remove leaves, debris, and vegetation that can restrict airflow and reduce efficiency.

Block direct sunlight in summer to reduce cooling load. In winter, open south-facing curtains during the day to capture free solar heat.

Have your system inspected and tuned up twice yearly—spring for AC, fall for heating. Professionals catch issues early and optimize performance.

Keep furniture, curtains, and rugs away from supply and return vents. Blocked vents create pressure imbalances and force your system to work harder.

If your system is over 10-15 years old, upgrading to a high-efficiency unit can dramatically reduce energy costs. Look for ENERGY STAR certified equipment.