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For any problem with all makes, models, and styles of heating equipment, call on Northern Air with complete confidence. Established in 1992, we provide heating repair and service across Fort Collins, CO and the surrounding areas and the surrounding areas, delivering lasting solutions to the most difficult challenges.

Expert Heating Repair Service

As a Lennox Premier Dealer, our team is highly trained, regularly updated in evolving technology, and equipped with the specialized tools that ensure swift and accurate diagnosis.  Our fleet of service trucks provide immediate access to a wide range of genuine manufacturer’s replacement parts, and allow completion of the majority of repairs in a single service call.

Heater Repair in Fort Collins, CO | Heating Repair Loveland, CO | Furnace Repair Timnath, CO

At Northern Air we recognize the disruption, aggravation, and stress of heating-related issues.  Through prompt, affordable, and conscientious service, we strive to alleviate complications and deliver straightforward results.  Count on us for honest answers, cost-effective recommendations, and repairs that stand up to demand.

Leave all your heating repairs to Northern Air!

We not only offer convenient scheduling, but are available whenever and wherever you need us with 24/7 Emergency Service across Fort Collins, Loveland, Timnath, Wellington, Windsor and Laporte, CO.  Through exacting standards of performance, Northern Air protects your safety, home, comfort, and budget.  For quality installation, service, and repair, call Northern Air.

Call Anytime for Emergency Furnace Service & Repair

Some of the top issues that our clients face with their gas furnaces include dirty air filters, ignition problems, pilot light issues, and a lack of proper airflow. When you’re dealing with dirty air filters, this can cause poor airflow and make your furnace work harder than it should. You might be paying for costly energy bills and your furnace can be damaged if you continue to use clogged up air filters. Our licensed and certified technicians will clean or replace your air filters as needed to ensure efficient and reliable operation of your furnace. If your furnace is having trouble with igniting, you might be dealing with a dirty flame sensor, faulty control board, or a malfunctioning ignition sensor. You can depend on our experts to troubleshoot your issue and provide the needed repairs to have your furnace running smoothly once again. If you have a pilot light that fails to remain lit, you might have an issue with your thermocouple. Our technicians can fix your thermocouple to ensure your gas furnace runs safely and effectively. If you’re dealing with lack of airflow with your heating system, you might be dealing with a clogged or blocked fan or blower motor. This can lead to significant issues since the heat exchanger can be damaged and your furnace can become inefficient. You can count on our professionals to carefully inspect the blower motor and fan, clear out debris, and make sure your system is operating at optimal efficiency.

At Northern Air, we’ll make sure your gas furnace is inspected properly so we can find any issues that are occurring. We’ll provide you with a detailed report of repairs that we recommend. When you choose to hire us for the repair work, we’ll make sure your furnace is running at peak performance with minimal risk of system breakdowns moving forward. Give us a call today at 970-223-8873 to schedule a free consultation!

Ready to Schedule Your Service?

Whether you’re planning a repair, a replacement, or a full upgrade, our team is here to make the entire process smooth, transparent, and stress-free. From the moment you book with us, you’ll get clear communication, expert guidance, and quality craftsmanship you can count on.
Schedule your service today and let us help bring comfort, safety, and lasting value back into your home or business.

Schedule Online970-223-8873

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Flexible Financing Options

Big projects—whether for your home or your commercial property—shouldn’t mean big stress. Whether you’re replacing equipment, upgrading a building, or tackling an unexpected repair, our flexible financing options make it easier to get the comfort, efficiency, and reliability you need without straining your budget. With straightforward plans, quick approvals, and payment options that fit your goals, we help you move forward with confidence.
Explore our financing solutions today and bring comfort and performance within reach.

Learn More About Financing

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What Our Customers Say

Don’t just take our word for it – hear from our satisfied customers

Rob R
Been working with Bill D for a couple years at a our home and my mother's home. Recently had the pleasure of working Matt at our business. I can't tell you what a relief it is to have such a trustworthy team to work with. These two gentlemen are absolutely top notch. Highly recommend!
Marilyn W
Great company!! Our daughter’s furnace went out yesterday on the coldest day in the past 30 years! Not only did they respond promptly and replace the furnace today, they brought her space heaters last night! I highly recommend this company for their ethical practices, fair prices and commitment to our community! Thank you Nick, JJ and Brett for your help!!
Denise H
Bill, God bless him, came out on a 100 degree Sunday and fixed our A/C. He had great communication, was on time, and knew exactly what to do and saved the day! I appreciated his great attitude and kind spirit as well. The price was reasonable for a weekend visit. We will definitely use them again!
Susan D

Northern Air installed Central Air in my home in Fall 2021 (I did not have it). I also wanted a high efficiency furnace since my furnace was over 23 years old, even though it was still working. I got bids from 5-6 other HVAC companies. None of them were interested in installing a high efficiency furnace, even the companies recommended by “Efficiency Works” One company would not even install Central Air because they could not figure out how to install in my crawl space. Northern Air were great, efficient, neat, and had the best prices as well!

Mindy M

The technician that came out, Ronnie, was absolutely wonderful. Extremely professional, quickly installed the new thermostat, and even showed me step by step how to set up the scheduling option on the new one.

Every time Northern Air sends someone out, the work is always done quickly and their prices are definitely more reasonable than most of the companies in the area!

lennox premier dealer
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readers choice awards
energy star
nate certified