Furnace repair in New Castle.
2 verified New Castle HVAC pros that handle furnace repair. Compare licensed local providers and call directly.
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New CastleDelaware
What to expect
Gas and electric furnace repair covers ignitor failures, flame sensor cleaning, blower motor, gas valves, heat exchanger inspection, and control board issues. Annual maintenance ($120-$200) prevents most no-heat calls. Carbon monoxide testing should be part of every furnace service visit.
Moderate heating load: 4,500-5,000 HDD. Heat pumps with electric backup are the default new-construction system.
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Frequently asked questions
How often should a furnace be serviced?
Annually, before heating season. Service includes ignitor inspection, flame sensor cleaning, gas pressure check, blower service, and carbon monoxide testing. Plan to pay $120-$200.
How long should a furnace last?
15-20 years for gas, 20-30 years for electric. Replace before failure if you're at 15+ years and have had two repairs in two seasons — efficiency gains alone often justify replacement.
What is AFUE and what should I look for?
AFUE measures how much fuel becomes usable heat. Code minimum is typically 80% in warm climates and 90%+ in cold. High-efficiency 95-98% AFUE furnaces pay back in 5-10 years in cold climates.