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Furnace Installation & Replacement in Green Isle, MN
A new 95–98% AFUE gas furnace installed by Maddox Heat & Air Conditioning can cut a Green Isle heating bill by a quarter or more compared with a 20-year-old 80% unit. We size the furnace to the house, replace venting and the thermostat as needed, and haul the old unit away.
Signs you need furnace installation in Green Isle
- Furnace is 15+ years old
- Cracked heat exchanger (a safety issue)
- Repairs are adding up every winter
- Uneven heat between floors
- You want a two-stage or variable-speed system for quieter, steadier comfort
- Switching from oil or propane to natural gas
How furnace installation works with Maddox
Call (855) 459-5498 and describe what the system is doing. Our dispatcher schedules a technician for Green Isle — 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 Green Isle carries a written warranty.
Furnace Installation near me in Green Isle and Sibley County
From the first heat wave to the last cold snap, Maddox Heat & Air Conditioning keeps Green Isle, MN comfortable. We repair, replace and maintain central air conditioners, gas furnaces, boilers, heat pumps and ductless mini splits — residential and light commercial — with 24/7 emergency service.
Searches we answer from Green Isle:
Furnace Installation service area: Green Isle, MN
Green Isle reviews
“Fair price, clean work, showed up in the window they gave me. That's all I want from a repair company.”
— Tom W., Green Islefurnace-installation, MN“Three other companies told me I needed a new furnace. Maddox cleaned the flame sensor and replaced the ignitor. Still running two winters later.”
— Pat L., Green Islefurnace-installation, MN“Our restaurant rooftop unit died at lunch rush. They had a tech on the roof within two hours. Dining room was cool by dinner.”
— Sam D., Green Islefurnace-installation, MNFurnace Installation in Green Isle: questions
What does a new furnace cost in Green Isle?
Most furnace replacements in Green Isle run $3,800–$7,500 installed depending on size, efficiency and venting. Written flat-rate quote, no pressure.
How long does installation take?
A like-for-like furnace replacement is done in a day. We arrive in the morning and you have heat that evening.
Do you install furnaces in Green Isle year-round?
Yes. Winter replacements are common; we bring temporary heat if the old furnace has failed.
Need furnace installation in Green Isle now?
Live dispatch, 24 hours a day. One flat price before work starts.
Call (855) 459-5498