Regular HVAC maintenance extends equipment life, improves efficiency, and prevents costly breakdowns. Bay Area homeowners face unique challenges with microclimates ranging from foggy coastal areas to hot inland valleys. This checklist helps you maintain your system effectively.
Monthly Tasks
Check and replace air filters. Dirty filters restrict airflow, reduce efficiency, and can cause system failures. In homes with pets or allergies, check filters more frequently. Most filters need replacement every 1-3 months.
Clear debris from outdoor units. Leaves, grass clippings, and debris reduce airflow through the condenser. Keep a two-foot clearance around the unit.
Check thermostat operation. Verify the thermostat responds to setting changes and maintains consistent temperatures. Replace batteries annually in wireless models.
Seasonal Tasks
Spring: Prepare for cooling season. Before summer heat arrives, clean condenser coils, check refrigerant connections, and test AC operation. Address any issues before peak demand.
Fall: Prepare for heating season. Before firing up the furnace, replace filters, check gas connections, and test operation. Schedule professional maintenance if not done recently.
Annual Professional Maintenance
Professional technicians perform tasks beyond DIY capability:
- Measure refrigerant levels and charge
- Check electrical connections and components
- Clean evaporator and condenser coils
- Inspect heat exchanger for cracks
- Test safety controls
- Lubricate moving parts
- Verify thermostat calibration
Bay Area-Specific Considerations
Coastal areas: Salt air accelerates corrosion. Rinse outdoor units periodically with fresh water. Consider corrosion-resistant coatings for exposed components.
Fog belt: Systems may sit idle for extended periods. Run AC monthly even in cool weather to keep components lubricated and seals flexible.
Inland valleys: Heat waves stress AC systems. Ensure adequate refrigerant charge before summer. Consider shade structures for outdoor units.
Regular maintenance costs less than emergency repairs and keeps your home comfortable year-round.