North Star Heating & Air Conditioning technician performing furnace repair in Utah
Is your home getting cold? Don't panic.

Furnace Repair in Utah | Emergency Heat Restoration & Safe Diagnostics

Fast diagnostics and honest solutions for all furnace makes and models. We are a family-owned team serving Utah since 1998 with a safety-first approach.

Licensed Technicians
No-Heat Priority
Safety-First Diagnostics

Reliable Heating Repair from a Family-Owned Team

Utah winters are demanding. Your furnace runs for months on end, often under heavy load. When that system falters, it can be stressful. You need to know that the technician knocking on your door is trained, background-checked, and respectful of your home.

As a second-generation, family-owned business, North Star Heating & Air Conditioning has built a reputation for integrity across the Wasatch Front. We do not incentivize our technicians to sell you parts you do not need. Instead, we focus on safe diagnostics. Whether you are in Salt Lake County or Utah County, our trucks are stocked and ready.

  • Second-generation, family-owned business since 1998
  • No high-pressure sales or unnecessary upsells
  • Systematic diagnostics to find the root cause
Request a Diagnostic Visit
North Star Heating & Air Conditioning team in front of company vehicle

Serving Utah Since 1998

Urgent Signs Your Furnace Needs Professional Repair

Some furnaces fail instantly; others warn you first. Schedule a diagnostic to prevent expensive damage or safety hazards.

Blowing Cold Air

The blower runs but air is lukewarm or cold. Often indicates ignition failure or limit switch issues.

Rapid Cycling

Furnace turns on and off frequently without reaching set temperature, causing heavy wear.

Unusual Noises

Banging, screeching, or rattling sounds can indicate loose parts or mechanical failure.

Yellow Pilot Light

A yellow or flickering flame instead of blue can indicate a combustion problem or CO risk.

Start-Up Failures

If you have to adjust the thermostat multiple times to get heat, the system needs repair.

Need immediate help?

If you have no heat and temperatures are freezing, we are available 24/7.

Call (385) 438-3332

What to Check Before You Call

We want to help you rule out simple issues before you pay a service fee. Try these safe checks first:

1. Check Your Filters
A severely clogged filter blocks airflow, causing the furnace to overheat and shut down. Check your filter. If it is gray or matted with dust, replace it immediately and wait 15 minutes to see if the system resets.
2. Check the Thermostat
Ensure the thermostat is set to "HEAT" and the temperature is set at least 3 degrees higher than the room temperature. Check the batteries in the thermostat unit itself; a fading battery can cause erratic signals.
3. Check the Breaker and Power Switch
Ensure the breaker labeled "Furnace" hasn't tripped. Also, look for a standard light switch on or near the furnace unit. Ensure it was not bumped to the "OFF" position.

Still not working? The issue requires a licensed professional.

Request a Diagnostic Visit

Safety Warning

Modern furnaces involve high-voltage electricity and combustible gas. Do not attempt to open the gas line or repair internal electrical components yourself.

Our technicians are licensed and trained to handle these systems safely to code.

Our Furnace Repair Process

We believe in transparency. No guessing games—just a systematic repair process honed since 1998.

North Star technician performing furnace maintenance
Watch: Furnace Repair Process
1

Comprehensive Inspection

We inspect the full system, including ignition assembly, blower motor, and safety switches—not just the broken part.

2

Clear Diagnosis & Options

We explain exactly what happened and why. You get clear choices (repair vs. replace) with no pressure.

3

Upfront Pricing

You will know the exact cost before we pick up a wrench. No surprise fees at the end.

4

The Fix & Safety Test

We complete the repair and perform a safety cycle test to ensure proper venting and no gas leaks.

Before and after comparison of furnace burner cleaning
Burner Cleaning: Before & After

Safety First: Carbon Monoxide Risks

Critical Safety Warning

A cracked heat exchanger can leak dangerous carbon monoxide into your home.

The heat exchanger separates combustion fumes from your breathing air. Over time, metal fatigue can cause cracks. That is why we treat every furnace repair as a safety inspection first.

If we discover a compromised heat exchanger, we will show you the evidence (often via camera) and explain the risks. We recommend every Utah home have working CO detectors on every level.

  • Check your CO detectors annually
  • Annual safety inspections recommended
View Service Specials →

Pricing Factors and Service Timelines

Expected Timelines

Response Time

We prioritize no-heat calls. For most repairs, we can get a technician to your door within 24 hours.

Repair Time

Standard repairs (ignitors, sensors, capacitors) are often completed in 60-90 minutes.

Parts Availability

Trucks are stocked with universal parts. Specialty parts are sourced locally ASAP.

Usually Repair If...

  • Furnace is under 12 years old
  • Repair cost is < 50% of new system
  • Unit has been well-maintained

Consider Replacement If...

  • Furnace is over 15-20 years old
  • Critical components (heat exchanger) failed
  • Facing repeated expensive repairs

Prevent Future Breakdowns with Gold Star Maintenance

The best way to avoid an emergency repair bill is regular maintenance. We recommend an annual tune-up every fall to clean burners and check safety switches.

Annual Maintenance Included

We call you to schedule your tune-ups so you never forget.

Priority Scheduling

Jump to the front of the line during busy winter storms.

Exclusive Discounts

Save on repairs, diagnostics, and new system installations.

Sign Up for Gold Star
Gold Star Membership announcement graphic

Serving Salt Lake and Utah Counties Since 1998

We are proud to serve communities across the valley. From our offices, we deploy technicians daily to ensure reliable heat is just a phone call away.

North Star Heating & Air Conditioning service vehicle

Frequently Asked Questions

How much does furnace repair cost in Utah?
Furnace repair costs in Utah typically range based on the component maturity and part availability. A simple flame sensor cleaning or replacement is significantly less than a blower motor or control board. We provide flat-rate, upfront pricing after a thorough diagnostic, ensuring you approve the total cost before any tools are lifted.
Is it safe to stay in my house if my furnace keeps shutting off?
If the furnace is shutting off due to overheating or airflow issues, the house will just get cold. However, if it is shutting off due to a safety sensor detecting gas or CO, it is not safe. If you smell gas or have a CO alarm sounding, leave the home and call utilities or emergency services.
Can I repair my own furnace?
We recommend homeowners only check filters and breakers. Modern furnaces involve high-voltage electricity and combustible gas. Repairs should be performed by a licensed technician to ensure safety and code compliance.
Do you offer emergency service on weekends?
Yes, we understand that heating systems often fail at the worst times. We offer emergency service for situations where your safety or property is at risk due to freezing temperatures.

Get Your Heat Back Today

Don't suffer through the cold. Call North Star Heating & Air Conditioning for honest, safe, and professional furnace repair. We'll confirm your appointment and arrive ready to diagnose the issue.

Call Now Request Service