Feet By a Fire





Heating Repair

Boiler Service

Learn More
Technician Servicing Heating


AC Repair



Central AC


Learn More
Hand turning valve




Water Lines


Gas Lines

Learn More
Utility room

Water Heaters






Learn More
HVAC workmen

Sewer & Drain

Real Estate Inspections

Sewer Cleaning

Sewer Repair



Drain Clearing

Learn More

Cooling, Plumbing, Heating Services in Bethel Park

Hire a team that is capable of providing you with a full array of HVAC & plumbing service. When you call Mark Allen, you get tremendous services & a reliable comfort system that gets the job done. Stay comfortable year round with heating maintenance, repairs, and service.


Our commitment to 100% customer satisfaction includes service after the sale. Our team want to become the only plumbing and HVAC specialist you call for decades to come. Get all your plumbing needs satisfied with our emergency services including thawing frozen pipes. We have a large selection of water heaters including Rinnai tankless heaters. Our response times  are always quick & we always bring the necessary equipment to get your job done quickly. Our team has the best experience in the industry, so we know what equipment & techniques work best for your situation.


 Mark Allen Plumbing & Heating has been a contractor in Pittsburgh, PA for over 30 years. We serve the needs of residential, commercial, establishments in the food service industry with reliable care for heating, air conditioning & plumbing. If you have any questions or concerns about the work we do, please let us know. We will be glad to discuss any topic with you. We offer guaranteed, upfront pricing, extended warranties and same-day services for all makes and models of HVAC and plumbing equipment



Mark and all of his employees were wonderful helping us with our gas leak in the front yard & my hair salon sinks

- Dawn D.

Excellent service extremely polite and Very Knowledgeable best service and people EVER TEN THUMBS UP!!!!!

- Maggie B.

I was notified of a gas leak in the service line to my home. I called Mark Allen, and a representative came out the same day to assess the situation. A crew arrived the following morning and made the repair. Mark Allen himself made a follow up phone call and visit to ensure everything was...

- Frank G.

Use them for dye test and cameras several times on our properties, also a few HVAC inspections

- Marc M.

Early last year, my son bought an older home near Pittsburgh. When the sewer line backed up last fall, he called Mark Allen Plumbing. Ed from Mark Allen inspected the line with a camera and gave us an estimate. Fortunately, they were able to start right away. My son had insurance coverage for sewer lines....

- Donna R.

Adam from Mark Allen Plumbing & Heating came out on an emergency call when my furnace was no longer running on one of the coldest nights of the year. He promptly diagnosed the problem, went back to his office to get the necessary part (blower motor) and had us back up and running shortly before...

- John V.

I have used Mark Allen Plumbing for several years in my previous home and always find they do the best work for the most reasonable prices. I have never had to go through a job this large and I am very thankful I chose Mark Allen to complete it! I will admit, we first called...

- Lori K.

Could not be happier with our Mark Allen experience! After being totally screwed over by another well-known company, we got a second opinion from Mark Allen. What the other company tried to convince us would require an entirely new AC unit, furnace, and duct work...MA fixed with a new thermostat. Done and done. Adam B...

- Elise S.

6 degrees and woke up to a dead furnace @ 3:00am. I called Mark Allen and was told the tech would be there within the hour. And hour late Adam was knocking at my door. He was very knowledgeable and was able to determine what the issue was in 20 minutes. Cutting to the chase,...

- John B.

Good guy good company does it by the book and gets it right the first time highly recommend their services

- Mike C.

I had a plumbing emergency late at night. The first so called 24 hour plumber I contacted did not answer, my call went right to voicemail. Next I tried Mark Allen Plumbing, and was so relieved to talk to a live person. She was very helpful and understanding, and then when the plumber called us...

- Unnamed Google User

I am editing my review to up it to five stars from the two I had given at first. They had initially dropped the ball but Mark Allen Plumbing has gone out of their way to make a frustrating situation right. I have never worked with a contractor that was so genuine in their apology...

- Gerri B.

I have been using Mark Allen Plumbing & Heating for the past 18 years, and I just cannot say enough good about Mark and his company. Mark and his team will go above and beyond to complete the job to your satisfaction and they are truly honest and upfront about pricing, so there are no...

- Natalie W.

Look, I am as skeptical as they come when it comes to contacting the right company for a job. Mark Allen Plumbing & Heating has proven to me to be the BEST when it comes to honesty, integrity, and being reasonable. They treat you as you would want to be treated. I felt as though...

- Tiffani S. D.

Great service, honest, integrity from the top! Definitely worth a try!

- Margie S.

I had a new boiler installed and the crew was very professional. I can only say good things about this company! Office staff was very friendly and helpful also. Would highly recommend.

- Debbie B.

Mark Allen PLUMING AND HEATING..."Simply the best" in service and efficiency! Also, a sincere Thank You to Mark's tech " Mike V." for his professionalism and obvious proficiency and dedication to his profession. Have used plumbing services in the past, none to compare to Mark Allen. "Highly Recommended" is not a high enough quote! Being...

- Dom D.

I have had two different jobs (new hot water heater; repair and set toilet) done at my house by Mark and his staff, and I have been extremely happy with both. Mark's plumbers correctly identified the problem and FIXED THE PROBLEM, not just preventing the "symptoms" of the problem. His prices are very fair in...

- Ryan M.

I have used this service four times (install cast iron tub and replace fixtures, replace tub fixtures on master BR bath, install furnace electronic filter and humidifier and move existing plumbing from above surface to below surface). The quality of then work has been superior in every instance. They are prompt and meet their commitments....

- Thomas A.

i was very impressed with the service i received from this company. my ac wasn't functioning properly so i called on Thursday@3 pm.the tech,tom arrived promptly at 830 am on Friday, the next day he was thorough and fast and didn't try to sell me stuff i didn't need. i really appreciate the honesty and...

- Timothy C.

See More

Associated Master Plumbers of Allegheny County logo
GreenSky logo
mycs logo