Boiler Services in Denver, CO

Stay Warm Year-Round with Reliable Boiler Services
When Denver temperatures drop, a dependable heating system is essential. At Defense Plumbing, we specialize in residential boiler repair services, installation, and boiler maintenance—ensuring your home stays safe, efficient, and warm. Our certified boiler technicians provide expert care for all makes and models, including condensing boilers, natural gas systems, and electric units.
Whether you’re dealing with pilot light issues, radiator problems, or unusual noise from your heat exchanger, our team has the tools and knowledge to deliver reliable, long-lasting solutions. From new system installations to emergency boiler service, you can count on us for responsive support, transparent pricing, and high-quality workmanship.
Boiler Services We Provide in Denver
01
Boiler Installation
We provide custom boiler replacement and new system installation based on your home’s layout, budget, and heat demand. Our installations include proper venting, flue setup, and connection to your central heating or underfloor heating system.
02
Boiler Repair Services
If your system is leaking, making strange noises, or failing to heat properly, our Denver boiler repair experts are ready. We handle everything from flue gas troubleshooting to carbon monoxide detection, circulator pump issues, and more.
03
Boiler Maintenance Services
Regular boiler maintenance extends your system’s longevity, improves efficiency, and lowers your carbon footprint. Our maintenance program includes inspection of all components, from the expansion tank to the relief valve, burner, and safety controls.
04
Emergency Boiler Repair
Heating failure in the middle of winter is more than inconvenient—it can be dangerous. Our emergency services ensure your boiler is back up and running quickly. Whether it's a faulty thermocouple, blocked drain, or a gas leak, our team responds fast to protect your home.
05
Additional Services
We also assist with drain cleaning, water heater repair, and leak detection for homes with integrated HVAC and plumbing systems. We coordinate all service requests efficiently through our customer service team—just call our telephone number or schedule online.
Signs You May Need Boiler Repair or Replacement
- Fluctuating indoor temperatures or uneven radiator heat
- Unusual odors or signs of a gas leak near the unit
- Dripping water, rust, or condensation on the pressure vessel
- Sudden spike in heating bills without explanation
- Frequent system cycling or no heat at all
- A yellow flame or pilot light that keeps going out
- Noises from the basement or heating equipment

Why Homeowners Choose Defense Plumbing in Denver, CO?
- Licensed and insured boiler technicians near you
- Deep understanding of modern boiler technology and HVAC integrations
- Responsive support for commercial boiler repair, residential, and multi-family systems
- Clear checklists, routine inspections, and customized maintenance plans
- Upfront boiler repair cost estimates, no hidden fees
- Compliant with web content accessibility guidelines and ADA service expectations
We work closely with homeowners to deliver cost-effective boiler solutions with energy conservation and safety in mind.