Heating and A/C
Arrange a qualified cooling-system check before the local cooling season
Pre-season service can find condensate, electrical, airflow, coil, or refrigerant problems before extreme heat.
A qualified professional should handle this work
When it usually needs attention
Timing follows the local season
ENERGY STAR recommends a professional pre-season cooling check.
When this guide applies
Applies only when a cooling system is confirmed.
What to do
Gather model, service history, leaks, noises, and comfort concerns, then schedule qualified service in the reviewed local window.
Applies when: Applies only when a cooling system is confirmed.
Who should handle it: The owner or manager authorizes service; a tenant records and reports symptoms.
Tools
- Service history and photos of visible concerns
Parts and supplies
- None for the resident
Safety gear
- None for scheduling and evidence gathering
Before you start
- Use a qualified HVAC provider and preserve the service report
Power, water, or fuel shutoffs
- Do not open or de-energize internal equipment for this handoff
Cleaner or chemical limits
Do not apply coil cleaner, bleach, drain chemical, or degreaser before diagnosis.
Stop and get help when
- No resident refrigerant, energized electrical, or internal cabinet work
- Stop system use and seek urgent help for smoke, burning odor, or unsafe water near electricity
Who to call: Qualified HVAC service performs the inspection and any internal work.
Reviewed sources
- Heating and Cooling Maintenance ChecklistENERGY STAR · reviewed July 13, 2026