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Avatar for Len The Plumber, LLC.

Len The Plumber, LLC.

4.39(
1,170
)
Approved Pro

Len The Plumber, LLC.

4.39(
1,170
)
Approved Pro
Customers say: Super punctual
29 years of experience
Emergency services offered

Len The Plumber Heating & Air, LLC is a leading plumbing and drain company serving Central Maryland. Our certified professional plumbers are available same day to assist residential customers in Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Cecil County, Harford County, and Howard County. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!

"Our first encounter with Len the Plumber for gas boiler repairs went well and lead us to purchase a service contract with them for the 15% discount. However once we needed actual plumbing services and after they provided their "free" HVAC annual inspection it all went downhill rapidly. As others have noted the %15 discount is a concept they don't really honor. We were charged $1100 for less than 30 minutes of work for a repair that only required one cut and a simple joint (We had already removed the drywall and trim for access) and about $30 in parts (which by the way good luck getting an itemized bill from these people). On the HVAC side they broke what was a perfectly functioning 4 yr old AC HVAC and then wanted to charge $1200 to figure out how they broke it plus whatever parts they dreamed up needed replacing. They tried to claim the capacitor was bad. BTW - they brute force discharge the capacitors on units as part of their "maintenance check", something they should never do. We had BGE come out since their info was on the installation tag on the air handler and they diagnosed the issue in less than 30 minutes finding the thermostat had been burned up by mis-handling by the Len tech. They also said they never brutalize the capacitors the ways these guys do unless there is already a suspected issue with it. That's because the capacitor could be damaged by the way they handle it at Len the Plumber. So the "free" annual HVAC check cost me 3 days of discomfort and $250. Len refuses to admit wrong doing and will not reimburse us. They got $5000 in fees from us in less than a year so they don't care if we leave because they know another sucker is just around the corner waiting to be taken. These guys should lose their license given their business practices. Stay away from them at all costs."

M F on July 2025

Len The Plumber Heating & Air, LLC is a leading plumbing and drain company serving Central Maryland. Our certified professional plumbers are available same day to assist residential customers in Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Cecil County, Harford County, and Howard County. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!

"Our first encounter with Len the Plumber for gas boiler repairs went well and lead us to purchase a service contract with them for the 15% discount. However once we needed actual plumbing services and after they provided their "free" HVAC annual inspection it all went downhill rapidly. As others have noted the %15 discount is a concept they don't really honor. We were charged $1100 for less than 30 minutes of work for a repair that only required one cut and a simple joint (We had already removed the drywall and trim for access) and about $30 in parts (which by the way good luck getting an itemized bill from these people). On the HVAC side they broke what was a perfectly functioning 4 yr old AC HVAC and then wanted to charge $1200 to figure out how they broke it plus whatever parts they dreamed up needed replacing. They tried to claim the capacitor was bad. BTW - they brute force discharge the capacitors on units as part of their "maintenance check", something they should never do. We had BGE come out since their info was on the installation tag on the air handler and they diagnosed the issue in less than 30 minutes finding the thermostat had been burned up by mis-handling by the Len tech. They also said they never brutalize the capacitors the ways these guys do unless there is already a suspected issue with it. That's because the capacitor could be damaged by the way they handle it at Len the Plumber. So the "free" annual HVAC check cost me 3 days of discomfort and $250. Len refuses to admit wrong doing and will not reimburse us. They got $5000 in fees from us in less than a year so they don't care if we leave because they know another sucker is just around the corner waiting to be taken. These guys should lose their license given their business practices. Stay away from them at all costs."

M F on July 2025


"Great! I called after hours and Rick was pleasant. He asked to text a picture of the leaking. Brad was here in the morning. One hour later he was finished The price was reasonable. Would definitely hire again"

Thomas S on December 2021

R & G Water Systems carries, installs, services and repairs well pumps and water treatment and conditioning systems for residential and light commercial application. We also deal with acid neutralizers.

"Great! I called after hours and Rick was pleasant. He asked to text a picture of the leaking. Brad was here in the morning. One hour later he was finished The price was reasonable. Would definitely hire again"

Thomas S on December 2021


Avatar for Aire Serv of Bel Air

Aire Serv of Bel Air

4.60(
5
)
Approved Pro

Aire Serv of Bel Air

4.60(
5
)
Approved Pro
Super Service Award
Customers say: Quick response
40 local quotes requested
26 years of experience

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. No Overtime Charge Anytime Service Upfront Pricing Fixed Right Promise Expert Service Professionals Testimonials Advantage Plan (Maintenance Plan) Guarantees Flexible Financing over $200 SERVICES Installation Gas Furnaces Oil Furnaces Air Conditioning Systems Heat Pump Systems Mini Split Systems Oil Boilers Gas Boilers Modulating Boilers Commercial Boilers Water Heaters Oil Tanks Oil Lines Gas Lines Duct Work Service Gas Furnace Repairs Oil Furnace Repairs Air Conditioning Repairs Heat Pump Repairs Mini Split Repairs Oil Boilers Repairs Gas Boiler Repairs Modulating Boiler Repairs Commercial Boiler Repairs Gas Leak Detection Propane Leak Detection Oil Water Tests Maintenance Gas Furnace Tune Up Oil Furnace Tune Up Air Conditioning Tune up Heat Pump Tune up Mini Split Tune up Oil Boiler Tune up Gas Tune up Modulating Tune up Commercial Tune up Duct Cleaning Cleaning Sanitization Maintenance Sealing Replacement Dryer vent cleaning Video inspection Air purifier installation Antimicrobial coating treatments Duct leak testing

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. No Overtime Charge Anytime Service Upfront Pricing Fixed Right Promise Expert Service Professionals Testimonials Advantage Plan (Maintenance Plan) Guarantees Flexible Financing over $200 SERVICES Installation Gas Furnaces Oil Furnaces Air Conditioning Systems Heat Pump Systems Mini Split Systems Oil Boilers Gas Boilers Modulating Boilers Commercial Boilers Water Heaters Oil Tanks Oil Lines Gas Lines Duct Work Service Gas Furnace Repairs Oil Furnace Repairs Air Conditioning Repairs Heat Pump Repairs Mini Split Repairs Oil Boilers Repairs Gas Boiler Repairs Modulating Boiler Repairs Commercial Boiler Repairs Gas Leak Detection Propane Leak Detection Oil Water Tests Maintenance Gas Furnace Tune Up Oil Furnace Tune Up Air Conditioning Tune up Heat Pump Tune up Mini Split Tune up Oil Boiler Tune up Gas Tune up Modulating Tune up Commercial Tune up Duct Cleaning Cleaning Sanitization Maintenance Sealing Replacement Dryer vent cleaning Video inspection Air purifier installation Antimicrobial coating treatments Duct leak testing

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025


"Very well. They were very professional and efficient."

Barbara B on January 2023

When you need A/C, heating, or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of service at reasonable rates.

"Very well. They were very professional and efficient."

Barbara B on January 2023


Avatar for Perryhall Remodeling

Perryhall Remodeling

4.97(
300
)
Approved Pro

Perryhall Remodeling

4.97(
300
)
Approved Pro
Customers say: Quality work
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
13 local quotes requested

SUPER SERVICE AWARD WINNING COMPANY SINCE 2010 Perryhall Remodeling is a three generation family business based in Harford County and have been in business for over 30 years servicing Harford Co, Baltimore Co, and surrounding Counties. Ask us about the Energy Star products you can use for a tax deduction. We take pride in all the work that we do. We start your job, and we finish your job. Jobs not done until you're completely satisfied. Ask about our Angie's List discount.

"Gary jr. and his team did a very good job fixing my chimney that was in need of repair"

Sharon M on April 2021

SUPER SERVICE AWARD WINNING COMPANY SINCE 2010 Perryhall Remodeling is a three generation family business based in Harford County and have been in business for over 30 years servicing Harford Co, Baltimore Co, and surrounding Counties. Ask us about the Energy Star products you can use for a tax deduction. We take pride in all the work that we do. We start your job, and we finish your job. Jobs not done until you're completely satisfied. Ask about our Angie's List discount.

"Gary jr. and his team did a very good job fixing my chimney that was in need of repair"

Sharon M on April 2021


Avatar for Innovative Air, LLC

Innovative Air, LLC

5.00(
3
)
Approved Pro

Innovative Air, LLC

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

We are 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.

"A great team, very professional and respectful!! Thank you!"

Troy M on January 2023

We are 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.

"A great team, very professional and respectful!! Thank you!"

Troy M on January 2023


Avatar for Forest Hill Heating & Air

Forest Hill Heating & Air

3.88(
4
)
Approved Pro

Forest Hill Heating & Air

3.88(
4
)
Approved Pro
4 years of experience
Free onsite estimate

Honest, high quality residential and commercial heating / air conditioning solutions. Forest Hill Heating & Air strives for exceptional craftsmanship, and a personal 5 star customer service experience. Contact today for a quote.

"DONT HIRE THIS GUY!!!!!! This person should not be in business. He has absolutely no idea what heâ s doing!!!!! Had to send another company to fix ha screw ups. BEWARE!!!!!"

Barbara B on November 2023

Honest, high quality residential and commercial heating / air conditioning solutions. Forest Hill Heating & Air strives for exceptional craftsmanship, and a personal 5 star customer service experience. Contact today for a quote.

"DONT HIRE THIS GUY!!!!!! This person should not be in business. He has absolutely no idea what heâ s doing!!!!! Had to send another company to fix ha screw ups. BEWARE!!!!!"

Barbara B on November 2023


Avatar for Blessed Cooling N Heating Services, LLC

Blessed Cooling N Heating Services, LLC

5.00(
15
)
Approved Pro

Blessed Cooling N Heating Services, LLC

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
12 years of experience

No Stress call Blessed Cooling-N Heating LLC. a bussiness severing its purpose. 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 the start to the 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.

"Genuinely honest, technically competent, and a penchant for pragmatic solutioning are the best ways I can describe Aaron and Blessed Cooling and Heating. They are at the top of our list for any future HVAC work."

JERRY T on October 2023

No Stress call Blessed Cooling-N Heating LLC. a bussiness severing its purpose. 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 the start to the 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.

"Genuinely honest, technically competent, and a penchant for pragmatic solutioning are the best ways I can describe Aaron and Blessed Cooling and Heating. They are at the top of our list for any future HVAC work."

JERRY T on October 2023


Avatar for Renken Remodeling

Renken Remodeling

4.58(
50
)
Approved Pro

Renken Remodeling

4.58(
50
)
Approved Pro
Customers say: True professional
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
201 local quotes requested

Renken Bath and Shower Remodeling is a leading bathroom remodeling company serving Maryland, Virginia, West Virginia, and Pennsylvania. Offering complete one-day bathroom remodeling and renovation services, Renken Remodeling features professional design consultants and unlimited color and accessory combinations to help you design the custom bathroom of your dreams.

"Renken did an excellent job. Highly recommend."

James G on December 2024

Renken Bath and Shower Remodeling is a leading bathroom remodeling company serving Maryland, Virginia, West Virginia, and Pennsylvania. Offering complete one-day bathroom remodeling and renovation services, Renken Remodeling features professional design consultants and unlimited color and accessory combinations to help you design the custom bathroom of your dreams.

"Renken did an excellent job. Highly recommend."

James G on December 2024


Avatar for Steve's Monster Plumbing and Drain Cleaning

Steve's Monster Plumbing and Drain Cleaning

5.00(
10
)
Approved Pro

Steve's Monster Plumbing and Drain Cleaning

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
6 years of experience

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Supper job, this was a difficult job. I did not know what was wrong with the toilet clog, it flooded out two floors over 7000.00. I first called Roto Rooter the fix it for two days. We were referred to Monster Plumbing and he came fixed it and told me if I had any more problems to call him again. Two later again toilet clogged. He came out with a scope and found some type of wiring that the builders dropped in during our rebuild after a fire. Pulled it out and what a relief super job!!! He was very assertive that he would find the problem. GREAT JOB!!!"

Mac M on June 2025

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Supper job, this was a difficult job. I did not know what was wrong with the toilet clog, it flooded out two floors over 7000.00. I first called Roto Rooter the fix it for two days. We were referred to Monster Plumbing and he came fixed it and told me if I had any more problems to call him again. Two later again toilet clogged. He came out with a scope and found some type of wiring that the builders dropped in during our rebuild after a fire. Pulled it out and what a relief super job!!! He was very assertive that he would find the problem. GREAT JOB!!!"

Mac M on June 2025

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Boiler Repair questions, answered by experts

Air trapped in a heating system can lead to reduced efficiency, uneven heating, increased wear on components, strange noises, and even complete system failure. This trapped air disrupts proper circulation, strains parts, and can cause overheating. Regularly bleeding baseboard heaters and furnaces can prevent these issues, ensuring efficient operation, even heating, and prolonged equipment life.

If you hire a professional to replace your gas furnace’s thermocouple, you’ll usually pay between $150 and $250. Since thermocouples often fail due to a lack of maintenance, you may be able to avoid—or at least delay—a thermocouple replacement by taking good care of your furnace. This means scheduling annual furnace inspections, changing the filters at least once per season, and cleaning the burners occasionally.

If you don't clean a boiler, you may have higher energy bills or no heat. A dirty boiler is inefficient and can't properly maintain a heating system. It may break down more often due to corrosion or clogs from soot and oil buildup. Cleaning a boiler improves its performance. The cost to replace a boiler can be expensive, so keeping it clean is a cost-effective practice.

Pipes in your house can freeze after six hours or so if you lose power and temperatures are below freezing. You can prepare for potential power outages by winterizing your pipes with insulation. Also, whenever temperatures drop below 20 degrees Fahrenheit, turn your faucets on very low and leave them dripping until temperatures rise.

Annual servicing, checking for leaks, and maintaining proper pressure extend the system’s life.

The Jarrettsville, MD homeowners’ guide to boiler repairs

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