Check and change the HVAC filter
Keep airflow healthy and help your system run efficiently.
System maintenance
Heating & cooling
Filters, seasonal checks, and warning signs. Frequencies are a starting point; equipment instructions, use, condition, and local climate can change the right schedule.
Know the boundary
Use these guides for observation and routine homeowner care only. Stop for unsafe access, active leaks, damaged wiring, gas or burning odors, structural movement, or any condition outside your skills.
Maintenance schedule
Tasks for this system
Inspect the HVAC condensate drain
Look for blockage or overflow signs before condensate damages nearby materials.
Inspect the outdoor AC unit
Keep the outdoor unit visibly clear and spot damage before peak cooling demand.
Review and arrange cooling-system service
Review service records and arrange a qualified cooling-system check before hot weather.
Review and arrange heating-system service
Review service records and arrange a qualified heating-system check before the heating season.