Heidler, Inc. — The Plumber Protects the Health of the Nation
Emergency Repairs Prioritized

Boiler Repair in Annapolis, MD

As a family-owned and operated business, Heidler, Inc. has been the trusted name in boiler repairs in Annapolis, MD, and the surrounding areas. Our commitment is to provide fast, efficient, and reliable service for your convenience and peace of mind.

4.7 · 988 reviews · Family owned since 1947
4.7★ · 988 reviews
Emergency Repairs Prioritized
Licensed & Insured
Family Owned Since 1947

How Do You Know You Need Boiler Repair Services?

Whether it's a minor issue or a major breakdown, our trustworthy technicians are here to provide prompt and professional boiler repairs. When you choose us, you're choosing experience, expertise, and a dedicated team that takes pride in ensuring your comfort and safety.

Boilers, like any mechanical system, can experience issues over time. **Uneven heating** — if some areas in your space are warmer than others, it could mean air trapped in the system, circulation problems, or a failing pump. **No heat or hot water at all** points to ignition, thermostat, or gas supply faults. **Unusual noises** such as banging, gurgling or whistling usually indicate limescale on the heat exchanger or trapped air.

**Leaking water** around the unit signals a failed seal, valve or expansion vessel and should never be left. **Rising fuel bills** without a change in usage mean the boiler is working harder for the same output — often the first measurable sign that something is wrong well before it fails.

Heidler technician repairing a residential gas boiler in an Annapolis basement

Repair or Replace?

Boilers last a long time — often 15–20 years with proper maintenance — and most faults on a unit inside that window are worth repairing. Circulator pumps, expansion vessels, thermostats, ignition components and valves are all serviceable parts.

The picture changes when a heat exchanger fails, when a unit is past 20 years and needing repeated intervention, or when efficiency has dropped far enough that the fuel savings from a modern unit outweigh the repair. In those cases we'll say so and quote installation alongside the repair, so you can compare honestly rather than being told only one option exists.

Don't take one more cold shower — call us for immediate service in Annapolis, MD.

Technician testing control board wiring on a residential boiler
  • Fast diagnosis and repair, all major brands
  • Emergency response for no-heat calls
  • Circulator, valve, ignition and control repairs
  • Honest repair-versus-replace guidance
  • Combustion and venting checked as standard
  • Serving Anne Arundel County since 1947
The Heidler, Inc. crew standing with the company van fleet in Annapolis, the Chesapeake Bay Bridge behind them
The Heidler team — Annapolis, Maryland

Family owned since 1947

79 Years Serving Annapolis Homes

Heidler, Inc. has been the name Annapolis and Anne Arundel County families trust since 1947 — three generations of the same family, doing the job right and standing behind it. Call during office hours and you reach a real person, not a phone tree. When we quote, it's a flat rate you approve up front. And every technician we send is background-checked and drug-tested, so you always feel safe with us in your home.

The Plumber Protects the Health of the Nation

4.7★
988 reviews
3
generations, family owned
Licensed
& fully insured
Vetted
background-checked techs

Know the warning signs

When to Call for Boiler Repair

No Heat or Hot Water

Urgent

A total loss usually points to ignition, thermostat or gas supply. In a Maryland cold snap this is an emergency, not a scheduling matter.

Banging, Gurgling or Whistling

Noise generally means limescale on the heat exchanger or trapped air in the system. Both reduce efficiency and worsen if ignored.

Water Around the Unit

Urgent

Leaking indicates a failed seal, valve or expansion vessel. Boiler leaks don't reseal themselves and can damage the surrounding space.

Fuel Bills Rising Without Extra Use

A boiler working harder for the same heat is failing gradually. It's the cheapest possible moment to intervene.

How it works

Straightforward From Call to Cleanup

  1. Call and Talk to a Real Person

    Call (410) 268-7191 during office hours and you'll reach a real person — no phone tree. No heat in winter gets dispatched fast.

  2. Diagnose Properly

    We check combustion, controls, circulation, pressure and venting rather than swapping the most likely part and hoping.

  3. Flat-Rate Quote

    You get a clear, flat-rate price before any work begins — and a replacement quote alongside it if the unit warrants that conversation.

  4. Repair and Verify

    We complete the repair, run the system, confirm even heat and safe combustion, and explain what failed and why.

The Heidler difference

Why Annapolis Trusts Heidler

Family-Owned Since 1947

The trusted name in boiler repairs in Annapolis and the surrounding areas, three generations running.

We Diagnose Before We Replace Parts

Swapping components until the symptom disappears is expensive guesswork. We find the actual fault first.

Straight About Replacement

When a boiler is genuinely finished we'll say so and quote both paths, rather than selling repeat repairs on a dying unit.

No-Heat Calls Come First

A boiler failure in February goes to the front of the schedule — tell us it's out and we'll get to you as fast as we can.

The Plumber Protects the Health of the Nation

Questions?

Boiler Repair FAQs

How long should a boiler last?

Typically 15–20 years with regular maintenance. Within that window most faults are worth repairing; beyond it, and especially with a failed heat exchanger, replacement usually makes better financial sense.

Why are some of my radiators cold at the top?

Air trapped in the system, which stops hot water circulating fully through the radiator. Bleeding them often resolves it — but if air keeps recurring, something is drawing it in and that's worth diagnosing.

My boiler keeps losing pressure. What does that mean?

Usually a leak somewhere in the system or a failed expansion vessel. Repeatedly topping it up treats the symptom while the underlying loss continues, so it's worth finding the cause.

Is a banging boiler dangerous?

Usually it's kettling — limescale on the heat exchanger causing water to boil locally — which damages the unit over time rather than posing immediate danger. It should still be addressed, because it's actively shortening the boiler's life.

Can you service my boiler as well as repair it?

Yes. Annual [boiler maintenance](/boiler-maintenance) is what prevents most of the failures we're called out for, and it keeps efficiency — and your fuel bill — where it should be.

Need Boiler Repair? We've Fixed It Since 1947.

Flat-rate pricing, our own Annapolis office on the phone, and technicians you can trust in your home. Call now or schedule online.