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Boiler Repair Concord NH

Capitol Comfort Heating and Cooling brings expert boiler repair and maintenance to the Concord, NH area. We ensure your heating system remains reliable and energy-efficient, providing the professional care needed to keep your home warm throughout the harshest winters.

Boiler Service and Repair

We regularly diagnose and repair:

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  • Power, fuel, and controls
  • Tripped breaker (please check before calling)
  • No oil (please check before calling)
  • No gas (please check before calling)
  • Dead thermostat batteries (please check before calling)
  • Failed thermostats or control boards
  • Improper or shorted control wiring or power wiring
  • Water flow and pressure problems
  • Low water pressure
  • Frozen pipes
  • Sludge buildup
  • Clogged oil filter or oil line
  • Leaks and component failures
  • Leaking boiler components
  • Leaking heat exchangers
  • Failed radiators
  • Noisy or failed radiators
  • Failed zone valves or zone controls
  • Failed oil or gas burners
  • Failed aquastats
  • Failed or tripped safety switches
  • Failed power venters

Boiler Maintenance, Cleanings & Tune-Ups

Our licensed HVAC technicians perform thorough annual cleanings for both oil and gas boilers. Routine maintenance is the best way to maximize energy efficiency, reduce heating bills, and detect minor issues before they become expensive emergency breakdowns in the middle of a cold spell.

Boiler Maintenance Routine

  • Thorough heat exchanger and burner verification
  • Ignition and pilot system cleanup and testing
  • Safety control and expansion tank pressure checks
  • Hydronic pump functionality and system flow testing
  • Venting system and chimney connection safety verification

Common Boiler Issues We Fix

  • Lack of heat or unreliable hot water supply
  • Kettling, whistling, or loud banging noises
  • Active system leaks or moisture around the unit
  • Pilot light failure or ignition clicking issues
  • Low system pressure and frequent cold spots

Why Choose Capitol Comfort for Boiler Service?

As Concord’s trusted heating experts, we understand how vital a reliable boiler is for New Hampshire winters. We provide tailored solutions to keep your home warm and safe.

Honest Technicians

Our non-commissioned team focuses strictly on your comfort, providing honest recommendations without any high-pressure sales tactics.

Emergency Response

Broad Expertise

From gas to oil and all major manufacturers, our technicians bring specialized knowledge to every boiler brand, fuel type, make, and model.

Long-Term Savings

We prioritize your heat during extreme cold snaps, offering fast, same-day emergency repairs whenever possible to keep your home safe.

Proper maintenance optimizes efficiency to lower your monthly energy bills, prevents expensive failures, and extends your system's life.

Rest easy knowing our licensed and insured professionals stand behind every job with a comprehensive craftsmanship guarantee.

01

Schedule Your Visit

Give us a call or contact us online to pick a time that works for you. We’ll confirm your appointment quickly.

How Our Boiler Service Works

Getting your heating system back in top shape shouldn't be stressful. We’ve designed a straightforward, expert-led process to ensure your local home stays warm and your boiler runs safely and efficiently.

02

Expert Inspection

A friendly technician arrives on time, performs a deep inspection, and identifies exactly what your boiler needs.

Not sure if you need a full repair or just a seasonal tune-up? Give us a call at (603) 665-0271—we’re happy to help you decide.

03

Upfront Pricing

We offer clear, honest recommendations with no sales commissions—just the repairs you actually need.

04

Quality Service

Our experts complete the repair or maintenance visit using high-quality parts and precise industry standards.

05

Final Safety Check

We perform a final performance check and provide a maintenance reminder for long-term system health.

What Our Boiler Customers Are Saying

“We woke up to no heat on a Sunday in January. Capitol Comfort was here within two hours and fixed our boiler quickly. Truly a lifesaver during the cold snap!”

“I appreciated the honest advice. The technician explained exactly what was wrong without pushing for a full replacement. It's rare to find such clear and fair communication.”

“Professional, punctual, and very tidy. They serviced our oil boiler and left the basement cleaner than they found it. Highly recommend for their attention to detail.”

— Mark R., Concord, NH

— Sarah J., Hooksett, NH

— David L., Bow, NH

Need Boiler Service Fast?

Same-day or next-day service when possible. Our team of honest, non-commissioned technicians is ready to provide the reliable care you need to keep your home warm.

Call Now: (603) 665-0271

Serving Concord, Bow, Hopkinton, Weare, Penacook, Canterbury, Boscawen, Warner, Dunbarton, Manchester, Hooksett, Epsom, Pembroke, Chichester, Northwood, Webster, Salisbury, and Franklin.

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