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Best boiler repair pros near Poolesville, MD

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    Average homeowner rating
  • Verified reviews icon3.7k+
    Verified boiler repairs reviews

Top-Rated Boiler repair pros in Poolesville - Updated Nov 2026

Avatar for Pipeworks Plumbing, Heating, and Air
Pipeworks Plumbing, Heating, and Air
4.8(
622
)
Gas Boiler or Radiator Heating System - RepairGas Boiler or Radiator Heating System - Repair - For BusinessOil Boiler or Radiator Heating System - Repair

Serving Poolesville, MD and surrounding areas

Approved

In business since 2016

Emergency services offered

Small jobs welcome

"Chase did a great job repairing a failed pipe that splashed water into our home. He carefully examined every aspect of the problem, determined what needed to be done, fixed the problem and tested the pipes to make sure everything worked -- and all of this at a very reasonable price. We've been using PipeWorks for several years to deal with plumbing issues and they've provided great service at reasonable rates. We'll continue to contact them when we have a plumbing problem."
Lennox 14ACX (Photo 1)
Lennox XC16
Trane Heat Pump 5
Its the details that count
Lennox 14ACX (Photo 2)

+66

Response time2 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Comfort Heating and Cooling
Comfort Heating and Cooling
4.5(
10
)
Gas Boiler or Radiator Heating System - RepairElectric Boiler or Radiator Heating System - Repair

Serving Poolesville, MD and surrounding areas

Approved

In business since 2007

Free estimates

Small jobs welcome

"When our boiler went out in the middle of a snowstorm, Troy came to our rescue! Incredibly professional and kind - especially given the terrible weather, he arrived quickly, diagnosed the problem almost immediately, replaced the board and restored our heat! All of this at a very reasonable price! Troy- thank, thank you, thank you! Needless to say, Troy has permanent customers- we can’t recommend him more highly!"
Response time1 day
Response rate88%
17 neighbors recently requested a quote
Avatar for ABS Unlimited Auto Repair
ABS Unlimited Auto Repair
4.8(
77
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+13 more

Serving Poolesville, MD and surrounding areas

In business since 1987

Free estimates

Credit card accepted

"I dropped the car off using their convenient night key depository, then picked it up the next day.  No sweat - no problems! 
This is typical of the folks at ABS.  They are highly capable, efficient, very helpful (like free valet service to our home and back), and their prices are great!  Don't hesitate to give them a try - you will NOT regret it!
"
Owner with Daughter
The Team
Tim and Betsy Briggs
Additional Photos
Additional Photos

+5

Recommended by96%of homeowners
Avatar for American home services
American home services
4.8(
120
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+13 more

Serving Poolesville, MD and surrounding areas

In business since 2005

Free estimates

Warranties offered

"I'd been experiencing allergy concerns and decided to have an air quality test performed for mold primarily in my home. Sometimes the air in my home, seems to cause my nose to run and eyes become somewhat irritated. The gentlemen, first listened to all my concerns and gave me some suggestions, due to another problem I was experiencing in my attic.  He looked in my attic and gave a few suggestions to correct a problem there. He said that he too noticed some nasal irritation in the air, as well. I wanted to first start by ruling out  MOLD, as the problem. He did not pressure me in performing an air test, at all. It was totally my decision and we both agreed that at least I would know whether to rule mold out or remediate a mold problem, if necessary. So I gave him my consent to conduct an air quality test. He said that he would conduct it on the inside ( top level hall area) and outside ( front of garage) to compare results. Two sample vials with air samples from the two locations were collected using a machine with free standing stand.  He left and assured me that he would physically  deliver the two samples that evening to an outside facility for a diagnostic analysis and said that I'd get the results on Tuesday, via email.  On Tuesday, I did receive the results, which showed that I had no MOLD. However, it did show that I had something in the air which could explain the symptoms I'd been experiencing. The report was very detailed and pretty easy to read and comprehend. I also called their office and a woman pulled up my results and reassured me that there was not a Mold problem. He left his card, should I need further service and he would quote an estimate,should I use his service for the attic problem. He was very professional, polite, and very attentive to my situation.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+25

Recommended by97%of homeowners
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Boiler Repair FAQs, answered by experts

Even if you do everything right, your boiler’s pilot light might not come on. This has a number of possible causes, but the most common is a blocked jet. These jets are small and clog up even with a small amount of debris. You can clean it yourself or hire a pro to replace the component. Other possible causes include a faulty fan and frozen pipes, among others.

The best time to buy home heating oil is in the summer when the demand is lowest, as the prices are usually lower. However, waiting until the summer to buy is often unavoidable unless you install a separate storage tank. If you have the space for a second tank, you can expect to pay between $1,000 and $4,000 for the oil tank replacement or installation, depending on the capacity and location. You could quickly recuperate these costs, though, by stocking up on heating oil in the summer and avoiding deliveries in the winter when prices are highest.

Some of the signs of HVAC issues include rising energy bills, rooms not cooling or heating properly, loud noises when in operation, and signs of condensation. To illustrate, if you’re wondering how to stop condensation on air vents, you’ll need to have your HVAC inspected. 

In most cases, repairing a radiator is more affordable than replacing it. A typical repair may cost between $100 and $200, while a replacement can average $1,500, with a range of $250 to $2,500 depending on the unit type. Radiator issues are often simple fixes for a professional, such as a blown fuse, malfunctioning thermostat, or a loose valve, and can take less than an hour. However, if the long-term costs of fixing the radiator are higher than replacement, it's better to get a new model. It is recommended to consult a heating expert to diagnose the problem and determine the best solution for your situation.

A furnace takes in cool air, heats it through the burner and heat exchanger, and sends the air on its way to warm your home. A boiler is a pressurized vessel that produces hot water or steam to heat the home and provide hot water. A boiler may or may not work together with a furnace.

The Poolesville, MD homeowners’ guide to boiler repairs

From average costs to expert advice, get all the answers you need to get your job done.