Furnace & Heat Pump Service

Furnace and heat pump service for Phoenix homes — gas safety verified, combustion analysis included

No-heat diagnostics, cracked heat exchanger inspection, combustion analysis with manometer and CO analyzer, heat pump refrigerant and reversing-valve service — all from NATE-certified technicians.

Furnace and heat pump service for Phoenix homes — gas safety verified, combustion analysis included

Phoenix winters are mild, but a no-heat call at 40°F on a January night in the East Valley is as urgent for those homeowners as an AC failure in July. The diagnostic path for a furnace is fundamentally different from a heat pump — and the safety-critical components on a gas furnace (heat exchanger, gas valve, draft inducer, flame sensor) require NATE-certified expertise with the right instruments.

Cracked heat exchangers are the most dangerous and most missed furnace problem. A cracked heat exchanger allows combustion gases including carbon monoxide to enter the living space. Detection requires a NATE-certified technician with a CO analyzer and a borescope inspection — not the visual once-over that most quick-service shops perform.

Heat pump diagnostics in heating mode follow a different protocol from cooling mode. A heat pump that cools but will not heat has a different list of likely failures — defective reversing valve, low refrigerant charge in heating mode, defrost cycle malfunction, or auxiliary heat lockout issue. We diagnose for the actual symptom, not the assumed cause.

What's included

  • Combustion analysis with manometer and CO analyzer (gas systems)
  • Heat exchanger inspection with borescope (gas furnaces)
  • Gas pressure verification at the valve and burner
  • Heat pump refrigerant charge check in both heating and cooling modes
  • Reversing valve function test and defrost cycle verification
  • Dual-fuel system configuration and lockout temperature tuning

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Furnace & Heat Pump Service — common questions

How do I know if my heat exchanger is cracked?
A cracked heat exchanger can leak carbon monoxide into your home. Symptoms include: soot near the furnace, a yellow burner flame (should be blue), rust on the cabinet, headaches or nausea that worsen when the furnace runs, or a CO alarm activation. If you suspect this, leave the house immediately and call us — borescope inspection is the only definitive diagnosis.
Should I replace my gas furnace with a heat pump?
It depends on your priorities. Heat pumps are more efficient in Phoenix mild winters and consolidate cooling and heating in one piece of equipment. Gas furnaces deliver more BTU output during rare cold snaps. Dual-fuel systems combine the advantages. We model the operating-cost difference based on your actual usage and recommend per home.
What is included in a furnace tune-up versus a furnace repair?
A tune-up is preventive: cleaning, inspection, calibration, and identifying small issues before they fail. A repair addresses an existing failure: replacing an ignitor, gas valve, blower motor, or other component. Tune-ups under the maintenance plan are $89 each; repair pricing depends on the part.
Is a heat pump really viable in Phoenix winters?
Yes. Phoenix winter low temperatures rarely drop below the 30s, and modern heat pumps maintain rated efficiency down to roughly 20°F. For homeowners who want backup reliability during rare cold snaps, a dual-fuel configuration adds a gas furnace as auxiliary heat below a programmable lockout temperature.

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