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    Average homeowner rating
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    Verified boiler repairs reviews

Find Boiler repair pros in Frederick

Avatar for Petro Home Services

Petro Home Services

4.44(
98
)
Approved Pro

Petro Home Services

4.44(
98
)
Approved Pro
Customers say: True professional
519 local quotes requested
122 years of experience

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023


"Brandon did an amazing job! From the minute I spoke with him on the phone, I knew I had a seasoned professional. He understood right away what the issue was and was at my house in under 24 hours - problem solved! And very reasonable pricing as well. I will definitely use Brandon in the future and recommend him to all my friends!"

Christine M on June 2023

A 2014 Angie's List Super Service Award Winner! All areas of plumbing and handyman services. Award wining.

"Brandon did an amazing job! From the minute I spoke with him on the phone, I knew I had a seasoned professional. He understood right away what the issue was and was at my house in under 24 hours - problem solved! And very reasonable pricing as well. I will definitely use Brandon in the future and recommend him to all my friends!"

Christine M on June 2023


Hansell Mechanical

New on AngiNew on Angi
Approved Pro

Hansell Mechanical

New on AngiNew on Angi
Approved Pro
2 years of experience
Free onsite estimate

Hansell Mechanical is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Hansell Mechanical is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.


Garret Custom Builders

New on AngiNew on Angi
Approved Pro

Garret Custom Builders

New on AngiNew on Angi
Approved Pro
34 years of experience
Free onsite estimate

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients; we take great care to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients; we take great care to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Avatar for Integrity Plumbing Solutions

Integrity Plumbing Solutions

4.75(
2
)
Approved Pro

Integrity Plumbing Solutions

4.75(
2
)
Approved Pro
Customers say: Quick response
4 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

"Great price, quick scheduling, efficient working time, personable team."

Devin B on January 2022

We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

"Great price, quick scheduling, efficient working time, personable team."

Devin B on January 2022


Avatar for West Shore Home Philadelphia

West Shore Home Philadelphia

4.88(
136
)
Approved Pro

West Shore Home Philadelphia

4.88(
136
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
1055 local quotes requested

To accomplish our mission, we have implemented a simple approach that will restore the beauty of your home while significantly reducing your energy bills - and we get it done in just one day! From start to finish, the West Shore Window & Door, Inc., experience is engineered to bring happiness to every home. The health and safety of our customers and employees is a top priority. Our team is following all CDC guidelines so we can provide you with the fast and convenient home improvements. We are also offering free virtual design consultations! Schedule your free consultation today.

"Very good experience. Nick and Kay were very polite and considerate. They even replaced some rotting wood in the wall. The shower looks great. I highly recommend."

Mick W on August 2025

To accomplish our mission, we have implemented a simple approach that will restore the beauty of your home while significantly reducing your energy bills - and we get it done in just one day! From start to finish, the West Shore Window & Door, Inc., experience is engineered to bring happiness to every home. The health and safety of our customers and employees is a top priority. Our team is following all CDC guidelines so we can provide you with the fast and convenient home improvements. We are also offering free virtual design consultations! Schedule your free consultation today.

"Very good experience. Nick and Kay were very polite and considerate. They even replaced some rotting wood in the wall. The shower looks great. I highly recommend."

Mick W on August 2025


Avatar for Montco Rooter Plumbing & Drain Cleaning, LLC

Montco Rooter Plumbing & Drain Cleaning, LLC

4.60(
868
)
Approved Pro

Montco Rooter Plumbing & Drain Cleaning, LLC

4.60(
868
)
Approved Pro
Customers say: True professional
11 years of experience
Free onsite estimate

Montco Heating and Air HVAC Techs work extremely hard to deliver the highest level of customer service, it's our number one priority. Our customer service is world class and unmatched in the HVACindustry. It all starts when you call our office. We know that when you have a heating or cooling emergency, the last thing you want to deal with is an unfriendly person on the other end of the phone. We promise to greet you with a warm friendly voice that will understand your situation, make you a priority and schedule an appointment time that fits your schedule.

"Thanksgiving day and 38 people were coming for dinner and we had a completely clogged kitchen drain. I called 15 other plumbing services all advertising 24/7 service and none of them were available. Montco rotor was there within an hour and Lou cleared the drain efficiently and did not interfere with the dinner preparation. "

Michael G on November 2025

Montco Heating and Air HVAC Techs work extremely hard to deliver the highest level of customer service, it's our number one priority. Our customer service is world class and unmatched in the HVACindustry. It all starts when you call our office. We know that when you have a heating or cooling emergency, the last thing you want to deal with is an unfriendly person on the other end of the phone. We promise to greet you with a warm friendly voice that will understand your situation, make you a priority and schedule an appointment time that fits your schedule.

"Thanksgiving day and 38 people were coming for dinner and we had a completely clogged kitchen drain. I called 15 other plumbing services all advertising 24/7 service and none of them were available. Montco rotor was there within an hour and Lou cleared the drain efficiently and did not interfere with the dinner preparation. "

Michael G on November 2025


Avatar for Palmerio Plumbing

Palmerio Plumbing

4.85(
198
)
Approved Pro

Palmerio Plumbing

4.85(
198
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
10 local quotes requested

CALL NOW 484-942-9976 Free Whole House Inspection. Palmerio Plumbing comes to you with over 15 years of professional experience in the plumbing industry. A quality customer experience is our number one goal. Large to small we do it all. Customer satisfaction is guaranteed. Come check us out at WWW.PALMERIOPLUMBING.COM

"Great company I hired them to fix my outside faucet they were outstanding and I would highly recommend them"

Anthony P on June 2024

CALL NOW 484-942-9976 Free Whole House Inspection. Palmerio Plumbing comes to you with over 15 years of professional experience in the plumbing industry. A quality customer experience is our number one goal. Large to small we do it all. Customer satisfaction is guaranteed. Come check us out at WWW.PALMERIOPLUMBING.COM

"Great company I hired them to fix my outside faucet they were outstanding and I would highly recommend them"

Anthony P on June 2024


Avatar for Better Quality Construction

Better Quality Construction

4.79(
24
)
Approved Pro

Better Quality Construction

4.79(
24
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

Better Quality Construction LLC is steadily developing into one of the premiere licensed residential general contractors in the region. With over a two decades worth of experience in the industry, we ensure that every job is done right, within budget, and on time. We utilize the same degree of personal care and consideration each and every time, regardless of size and scope of the project. We exhibit exceptional attention to detail and quality craftsmanship that is unparalleled in this day and age. Whether it's a simple repair, complicated replacement, or a major install, don't hesitate to call us today to schedule an initial appointment. We're anxiously waiting to meet and assist you with all of your professional contracting needs.

"I contracted this company to renovate two full size bathroom and a powder room. All the bathrooms were totally gutted. The workmanship was excellent at par to a 5 star hotel. The tile was immaculate and the overall finish was stunning. I would hire Nick at any time. My only regret was that I should have engaged him at the star of the project which would have saved me a lot of money. Well hindsight is 20/20"

Richard F on July 2022

Better Quality Construction LLC is steadily developing into one of the premiere licensed residential general contractors in the region. With over a two decades worth of experience in the industry, we ensure that every job is done right, within budget, and on time. We utilize the same degree of personal care and consideration each and every time, regardless of size and scope of the project. We exhibit exceptional attention to detail and quality craftsmanship that is unparalleled in this day and age. Whether it's a simple repair, complicated replacement, or a major install, don't hesitate to call us today to schedule an initial appointment. We're anxiously waiting to meet and assist you with all of your professional contracting needs.

"I contracted this company to renovate two full size bathroom and a powder room. All the bathrooms were totally gutted. The workmanship was excellent at par to a 5 star hotel. The tile was immaculate and the overall finish was stunning. I would hire Nick at any time. My only regret was that I should have engaged him at the star of the project which would have saved me a lot of money. Well hindsight is 20/20"

Richard F on July 2022


Avatar for Basement Gurus, LLC

Basement Gurus, LLC

4.84(
150
)
Approved Pro

Basement Gurus, LLC

4.84(
150
)
Approved Pro
Customers say: Quality work
872 local quotes requested
15 years of experience

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Steven was very nice and easy to do business with very honest and gave me all kinds of options. Hard to find people like that nowadays just overall great quality people"

Derek K on October 2025

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Steven was very nice and easy to do business with very honest and gave me all kinds of options. Hard to find people like that nowadays just overall great quality people"

Derek K on October 2025

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Boiler Repair questions, answered by experts

Not every type of baseboard heater needs to be bled. Hydronic baseboard heaters need to have air removed at least occasionally, but electric or gas versions that don’t use water at all don’t need to be bled. There are no pipes or valves on these models to worry about, nor any central boiler. Instead, they use heating elements or other methods to supply direct heat to a room.

There are many signs and symptoms to look out for that can indicate that your HVAC system needs repair, including the following:

  • Your indoor air is uncomfortably hot or cold.

  • Your energy bills suddenly increase without explanation.

  • Your AC is blowing warm air or not blowing air at all.

  • You notice leaks around your HVAC equipment.

  • Your equipment makes unusual noises during operation.

  • You notice strange odors coming from your equipment.

  • You notice that the humidity in your home is higher than normal.

  • The thermostat no longer seems to match the actual temperature.

If your boiler is 20 years old, it’s time to get a new one. Although it may seem to be working fine, it’s likely eating up more fuel than it should. Also, compared to a brand-new boiler, one that’s 20 years old is probably not working as well. When you get your new unit, you’ll notice that your home is heating more quickly, and the heat is consistent throughout all the rooms.

Most HVAC service calls include diagnostic fees, which could include checking on a specific issue you’re experiencing or running through a routine inspection checklist. If you called for a particular problem, the service call will also include an estimate to fix the issue, including materials and labor. Depending on your HVAC technician and the service you requested, you might also get a general inspection of your system components to ensure everything is working as intended.

Always consult your manual for specific pressure numbers. Many expansion tanks come pre-pressurized at a specific PSI range, anywhere from 12 to 40 PSI, designed for a range of home boilers. You should not have to pressurize an expansion tank yourself, only the boiler system. If your system has a tank that needs to be manually pressurized, this is generally a job for professionals and their tools.

The Frederick, PA homeowners’ guide to boiler repairs

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

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