HVAC Repair in Duluth, MN

Maddox Heat & Air Conditioning is a full-service HVAC company serving Duluth with same-day heating and cooling repair, installation and maintenance. One call handles the furnace, the air conditioner, the heat pump, the ductwork and the thermostat — residential and light commercial.

Book hvac repair in Duluth (855) 459-5498

Same-day service in DuluthFlat price before work24/7 emergency dispatch

Signs you need hvac repair in Duluth

Heating or cooling not keeping up
Thermostat or smart thermostat problems
High utility bills with no obvious cause
Weak airflow from some vents
Humidity problems in summer, dry air in winter
Rooftop unit or commercial split system down
Ductwork leaks, noise or dust

How hvac repair works with Maddox

Call (855) 459-5498 and describe what the system is doing. Our dispatcher schedules a technician for Duluth — same day for most repairs, immediately for emergencies. On site, the technician diagnoses the fault, shows you the failed part, and quotes one flat price. Approve it and most repairs are finished from the parts on the truck. Every job in Duluth carries a written warranty.

HVAC Repair near me in Duluth and Saint Louis County

Minnesota weather is hard on HVAC equipment, and Duluth homeowners feel it first: cottonwood-clogged condensers in June, frozen coils in July, short-cycling furnaces in January. Maddox Heat & Air Conditioning is the Duluth heating and air conditioning company that fixes all of it, fast.

Searches we answer from Duluth:

HVAC Repair service area: Duluth, MN

Duluth reviews

“The dispatcher was calm and helpful when our CO detector went off. Tech found a cracked heat exchanger and got us safe the same evening.”

— Renee S., Duluthhvac-repair, MN

“Furnace stopped in the middle of the night at minus 12. They actually answered the phone and someone was here before sunrise. Cannot say enough.”

— Mike T., Duluthhvac-repair, MN

“Booked a spring tune-up, they found a weak contactor and swapped it for a few dollars. Saved me a summer breakdown.”

— Lori B., Duluthhvac-repair, MN

HVAC Repair in Duluth: questions

Are you an HVAC contractor near me in Duluth?

Yes — Maddox Heat & Air Conditioning dispatches HVAC technicians throughout Duluth and the surrounding communities every day of the year.

Do you do commercial HVAC repair in Duluth?

Yes. Restaurants, offices, shops and small warehouses in Duluth rely on us for rooftop units, split systems and make-up air.

What is included in an HVAC service call?

A full diagnostic of the system that is failing, a flat-rate price for the repair, and the repair itself if you approve — usually in the same visit.

Need hvac repair in Duluth now?

Live dispatch, 24 hours a day. One flat price before work starts.

Call (855) 459-5498