FAST

Response Time

Same Day

Most repairs completed in 1-3 hours

LOW

Typical Cost

$150-$750

Upfront pricing, no hidden fees

ALL

All Brands

100%

We service every major brand

TOP

Satisfaction

5/5

Based on 67+ reviews

When Your Furnace Stops Working, We’re Here to Help

Blue Collar Heating & Air provides expert furnace repair throughout the Northern Denver Metro area, including Northglenn, Thornton, Westminster, Broomfield. With over 20 years of experience, our licensed technicians deliver professional service that restores comfort to your home.

Is Your Furnace Acting Up?

Experiencing any of these issues?

Call Now for Fast Repair → (303) 351-1667

Our Simple Repair Process

1

Call Us

Same-day appointments available. Call (303) 351-1667

2

Diagnosis

Expert inspection to identify the problem

3

Upfront Quote

Clear pricing before we start work

4

Fast Repair

Most repairs completed same day

What We Fix

Our experienced team repairs all types of furnace issues:

  • Thermostat Malfunctions: Faulty thermostats leading to incorrect temperature control.
  • Clogged Filters: Replacing or cleaning filters that restrict airflow.
  • Ignition or Pilot Control Problems: Issues with electronic ignitions or pilot lights that prevent heating.
  • Mechanical Wear and Tear: Repairing worn-out mechanical parts that affect performance.
  • Fan Motor Failures: Fixing fan motors that have stopped working or are making noise.
  • Limit Switch Problems: Repairing or replacing limit switches that prevent overheating.
  • Belt and Bearing Issues: Replacing worn-out belts or bearings to ensure smooth operation.
  • Heat Exchanger Cracks: Identifying and fixing cracks in the heat exchanger to prevent dangerous leaks.
  • Ductwork Issues: Repairing leaks or blockages in the ductwork that reduce efficiency.
  • Gas Valve Problems: Fixing malfunctioning gas valves that affect fuel supply.
  • Thermocouple Failures: Replacing damaged thermocouples to ensure proper gas flow.
  • Electrical Issues: Addressing wiring problems that prevent furnaces from operating correctly.
  • Tripped Circuit Breakers: Resetting and diagnosing issues causing circuit breakers to trip.
  • Burner Clogs: Cleaning and maintaining burners to ensure efficient operation.

Should You Repair or Replace?

Consider Repair If:

  • Inconsistent Heating
  • Unusual Smells
  • Sudden Furnace Shutdown
  • Unresponsive Thermostat
  • Visible Rust or Corrosion
Best for: Newer units with minor issues
VS

Consider Replace If:

  • Furnace Age Over 15 Years
  • Major Component Failure
  • Frequent Repairs
  • Significant Energy Inefficiency
  • Carbon Monoxide Leaks
Best for: Older units with recurring issues

Not sure which option is right for you?

Our technicians provide honest recommendations based on your specific situation – never pushy, always transparent.

Get Expert Advice → (303) 351-1667

Furnace Types We Service

Our technicians are trained and experienced in servicing all types:

  • Gas Furnaces: Furnaces powered by natural gas for efficient heating.
  • Electric Furnaces: Furnaces utilizing electric power, ideal for mild climates.
  • Oil Furnaces: Furnaces using oil as a fuel source, often found in rural areas.
  • Propane Furnaces: Furnaces using propane, suitable for areas without natural gas.
  • Modulating Furnaces: Furnaces that adjust heating levels for optimal comfort.
  • Variable Speed Furnaces: Furnaces with variable-speed motors for consistent temperatures.

Why Choose Blue Collar for Furnace Repair?

  • Expert Technicians: Highly skilled professionals with years of experience.
  • 24/7 Emergency Service: Available anytime to handle urgent repair needs.
  • Customer Satisfaction Guarantee: Commitment to ensuring each repair meets customer expectations.
  • Upfront Pricing: Clear, transparent pricing with no hidden fees.
  • Quick Response Time: Prompt service to minimize downtime and inconvenience.
  • Comprehensive Diagnostics: Thorough inspection to accurately identify and fix issues.
  • Quality Parts: Using high-quality parts for durable, lasting repairs.

Reviews

What Our Customers Say

★★★★★

“Our heater has not been working right for a few seasons. Keith came over diagnosed the issue with the gas valve and cleaned the heat exchanger and installed the parts asap!! Great service. Now we’re not uneasy using our furnace. Thanks Blue Collar. Highly recommended”

Ryan Laura View on Google →

Common Furnace Repair Questions

It’s recommended to service your furnace annually to ensure optimal performance. Call us at (303) 351-1667 for details.

Regular maintenance improves efficiency, extends lifespan, and prevents breakdowns. Call us at (303) 351-1667 to schedule a service.

Loud noises may indicate a mechanical issue or airflow problem. Contact us at (303) 351-1667 to diagnose and fix the issue.

Yes, a cracked heat exchanger can cause carbon monoxide leaks. If you suspect a leak, call (303) 351-1667 immediately.

If your furnace is over 15 years old or frequently needs repairs, it may be time to replace it. Call (303) 351-1667 for an assessment.

We Serve Your Area

Why Colorado Homeowners Trust Blue Collar Heating and Air

300+

Five-Star Reviews

20+

Years Experience

FAST

Same-Day Service

24/7

Always Available

★★★★★

“The team was knowledgeable and quick to diagnose the issue with my furnace. They did an excellent job with the repair, and my home is warm again!”

– John Doe, Denver

Need Furnace Repair? We’re Here to Help

Same-day service available throughout the Northern Denver Metro

Upfront Pricing Licensed & Insured Satisfaction Guaranteed