FAST

Response Time

Same Day

Most repairs completed in 1-3 hours

LOW

Typical Cost

$200-$800

Upfront pricing, no hidden fees

ALL

All Brands

100%

We service every major brand

TOP

Satisfaction

5/5

Based on 67+ reviews

When Your Tankless water heater Stops Working, We’re Here to Help

Blue Collar Heating & Air provides expert tankless water heater 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 Tankless water heater 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 tankless water heater issues:

  • Burner Issues: Problems with the gas burner not igniting properly.
  • Scale Buildup: Removal of mineral scale buildup affecting performance.
  • Venting Problems: Repairing venting issues affecting exhaust flow.
  • Sensor Malfunctions: Fixing faulty temperature sensors causing erratic behavior.
  • Water Flow Sensors: Repair or replace defective water flow sensors.
  • Gas Supply Issues: Addressing problems with gas supply lines.
  • Electrical Failures: Rectifying electrical component failures.
  • Thermostat Problems: Adjusting or replacing faulty thermostats.
  • Ignition Problems: Repairing issues with the ignition system.
  • Heat Exchanger Damage: Repairing or replacing damaged heat exchangers.
  • Air Supply Issues: Resolving problems with air supply to the unit.
  • Valve Malfunctions: Fixing issues with pressure relief or other valves.
  • Circuit Board Failures: Repair or replace malfunctioning circuit boards.
  • Corrosion Problems: Addressing corrosion that affects the heater’s components.

Should You Repair or Replace?

Consider Repair If:

  • When there are sudden stops in hot water supply.
  • If the unit makes loud or unusual noises.
  • When error codes frequently appear on the display.
  • If water pressure noticeably drops.
  • To address inconsistent water temperatures.
Best for: Newer units with minor issues
VS

Consider Replace If:

  • The repair costs exceed half the price of a new unit.
  • The unit is over 10-15 years old and inefficient.
  • Constant repairs become necessary.
  • The heat exchanger is irreparably damaged.
  • When newer, more efficient models offer better value.
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

Tankless water heater Types We Service

Our technicians are trained and experienced in servicing all types:

  • Condensing: Efficient heaters that use exhaust gases to preheat water.
  • Non-Condensing: Standard tankless heaters without exhaust gas utilization.
  • Electric: Heaters powered by electricity, ideal for smaller homes.
  • Gas: Natural gas or propane-powered units for high-demand homes.
  • Outdoor: Designed to be installed outside, saving indoor space.
  • Indoor: Installed inside, providing protection from weather elements.

Why Choose Blue Collar for Tankless Water Heater Repair?

  • Expert Technicians: Our team is certified and experienced in tankless systems.
  • Quick Response Time: We offer fast, reliable service to minimize downtime.
  • Comprehensive Diagnostics: Thorough inspection to accurately identify issues.
  • Transparent Pricing: Honest, upfront pricing with no hidden fees.
  • Quality Parts: We use high-quality replacement parts for durability.
  • Customer Satisfaction: Dedicated to ensuring complete customer satisfaction.
  • Emergency Services: Available 24/7 to handle urgent repair needs.

Reviews

What Our Customers Say

★★★★★

“Had an excellent experience with blue collar, they came out and diagnosed and got my water heater issue figured out no problem! Highly recommended!”

Jason Sanchez View on Google →

Common Tankless Water Heater Repair Questions

Regular descaling and inspection, call (303) 351-1667 for assistance.

Could be due to mineral buildup or venting issues, contact (303) 351-1667.

Typically 10-20 years with proper maintenance, call (303) 351-1667 for more info.

Professional installation is recommended. Call (303) 351-1667 for help.

Could be due to sensor issues, call (303) 351-1667 for diagnosis.

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

★★★★★

“Amazing service! My tankless heater is running like new. Highly recommend!”

– Jane Doe, Denver

Need Tankless Water Heater Repair? We’re Here to Help

Same-day service available throughout the Northern Denver Metro

Upfront Pricing Licensed & Insured Satisfaction Guaranteed