Why Fall/Winter HVAC Maintenance Matters More Than You Think

A cracked heat exchanger can allow dangerous gases, including carbon monoxide (CO), to bleed directly into your supply airflow and circulate throughout your living spaces.

Carbon monoxide and gas leak risks aren't worth skipping a seasonal checkup.

While most homeowners prioritize getting their air conditioner checked before the summer heat, skipping fall/winter HVAC maintenance carries a significantly higher risk to your home and health.

Summer AC failures cause discomfort; undetected cracks in the heat exchanger can cause safety hazards.

The Real Risks Behind Gas Furnaces

If your home relies on a gas furnace, cold weather brings operational risks that go beyond simply staying warm:

  • Cracked Heat Exchangers: A cracked heat exchanger can allow dangerous gases, including carbon monoxide (CO), to bleed directly into your supply airflow and circulate throughout your living spaces. According to the CDC, carbon monoxide poisoning sends over 100,000 Americans to emergency rooms every year, with heating equipment being a leading household source.

  • Gas Leaks & Ignition Failures: Worn gas valves, cracked flex lines, and dirty flame sensors can cause erratic ignition, unburned gas buildup, or small leaks in crawlspaces and basements.

  • Vent Blockages: Flue pipes and chimney vents must be clear of obstructions to safely vent combustion gases out of the home.

Heat Pump Systems Suffer in Winter Too

If you heat your home with an electric heat pump rather than natural gas, skipping winter maintenance still exposes your equipment to major wear:

  • Defrost Controls & Reversing Valves: Heat pumps must periodically enter a defrost cycle during cold weather to clear ice off the outdoor coil. If the defrost board or reversing valve fails, the unit will freeze into a solid block of ice, causing severe compressor damage.

  • Auxiliary Heat Strips: Stuck relay switches can cause backup electric heat strips to run continuously alongside normal heat pump operation, doubling or tripling your monthly power bill without your knowledge.

What We Check During Your Fall/Winter Maintenance Appointment

Our Fall/Winter Maintenance protocol covers a comprehensive mechanical safety and performance inspection:

  • Gas Furnace Protocol: Gas pressure balancing, heat exchanger inspection, carbon monoxide safety check, safety switch cleaning, burner box & component service, exhaust flue & venting check, blower & inducer capacitor testing, motor lubrication, electrical connection & amp check.

  • Heat Pump Protocol: Refrigerant heating mode check, auxiliary heat strip test, electrical & contactor inspection, motor & capacitor testing, service valve inspection, electrical connection & amp check.

The Fall/Winter Maintenance is about verifying that your heating system operates safely and efficiently before cold weather sets in. It will also make your HVAC system last longer.

To view our complete maintenance checklist, visit our Fall/Winter Maintenance Plans page.

Contact us to schedule your Fall/Winter Maintenance appointment.

Caleb | Erbe Air LLC

 
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