How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%84+20.4Value 14%100+14.1Replies to reviews 7%95+6.7Craft & service penalty89−1.1Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.88SCORET-Mark Plumbing, Heating & Cooling- Buffalo
Tonawanda, NY · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #7Position by Experts Score among all companies we track in this category. of 10 sump pump installation services · 4.9★ from 4,510 Google reviews
Report card
Percentile vs other sump pump installation services (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: reliability.
Reviews for your job
Customers hired T-Mark Plumbing, Heating & Cooling- Buffalo for 8 kinds of job.
T-Mark Plumbing, Heating & Cooling- Buffalo for HVAC system maintenance
Clear ✕All 201 Google reviews tagged “HVAC system maintenance”
Prompt and courteous was Maxwell ,as he attended to the details and procedure of our heating check up.” He cleaned and examined the inner workings and then spoke to me with some suggestions and tips to help keep things running smoothly. Did the work in ample time, and commented appropriately and professionally.…
David was an amazing technician and did a great job diagnosing and repairing our malfunctioning boiler. He also took the time to dumb it down and provide me with a thorough explanation/education. It wee an outstanding experience.
Reasonable price, punctual, great experience. Good service
Generator maintenance Zachary doel
Jason was prompt and very knowledgeable. He explained everything he did clearly. Much appreciated.
T-Mark is reliable, quick and trustworthy. Dylan did a great job, great guy. Takes the time to explain everything to you that’s going on.
Excellent service
Just had my annual furnace tune up with Mike Milne - so happy with his service & professionalism.
Tyler showed up on time and was exceptional, in and out, told me exactly what the issue was, told me how he was fixing it, and why he was fixing it that way. Thank you.
Dylan is awesome,so pleasant and the job well done and l was happy. I can’t wait working with him again
Mike has always been great. Honest, knowledgeable and nice to deal with!
Service was great fantastic and solved all my problems easily with little fuss. Will definitely use T-Mark going forward for all my needs!
5 year customer of T-Mark. They replaced our furnace, AC, and most recently a hot water tank. We had minor issues in the past, the AC T-Mark installed was wired incorrectly. When called for a service T-Mark initially diagnosed as needing an expensive part and service. When the service/part replacement was supposed…
Mike was professional,courteous and respectful.
Alex was very professional, punctual, and took care of all my issues. TMark was quick to respond to my problem and I highly recommend TMark!
I had T-Mark perform a A/C tune up today and they (Damien) did an awesome job, checking out and cleaning the unit. Great service, very professional and informative. I have used this company on several occasions for different services and would not hesitate to use them for any of my needs in the future.
They showed up when they siad they would and fixed the problem quickly.
Had two issues….one with plumbing and the other with HVAC. They had two very competent, nice and efficient workers come out. Gary & Mark both did a great job!
We’ve used T-Mark for a variety of jobs and they always have good communication about arrival, pleasant and knowledgeable service technicians and good office staff. Bery easy company to work with.
We had our A/C serviced by your Tech Alex on 6/22/26 Alex was very timely neat and did a great job as T-Mark has done terrific work for us many times! We highly recommend T/Mark for your plumbing/electrical work always very reasonable costs and excellent work done! Thanks T/Mark again
Mark was knowledgeable, courteous and dependable. He deserves a five diamond rating Marguerite Hambleton
I go to no stars if I could. Iade an appt. Got confirmed twice and even had a pic of the tech who was "on their way". No one showed up. No one called me to say there was a problem or delay. I waited a whole day waiting for nothing. Then I wrote an email simply stating no one came, I'm disappointed by the lack of…
Riasad Rahman did an excellent job
Scott quickly found the problem and repaired it. Nice young man who quickly solved my boiler malfunction. Always good service from TMark
Logan was great!j
Scott was very courteous. I feel so much better knowing my AC unit is in great working condition. Thank you Scott 😊🤗
Logan was very friendly and professional on time
I highly recommend T-Mark for all your furnace and central air conditioner tune-ups and repairs. The office staff is wonderful, their prices are reasonable and their technicians are very professional and knowledgeable.
On time, efficient, great service, great technician.
One of the best
Mark Trigilio from TMark serviced my AC - he was personable, professional, answered questions and offered great tips on keeping my AC compressor protected in the winter. I have had consistently good experiences with Tmark technicians and this time was no different.
Quick and to the point. Up front with pricing, and reliable service every time. Zachary knocked things out in no time.
Logan, came out to our house today and was a true professional. She explained in detail any issues with our system. Her suggestions moving forward on future repairs and replacements were honest and I appreciate not feeling pressured. Thank you Logan for your honesty and professionalism. Kathleen Barone.
Liam o'reilly was fantastic very knowledgeable. And did the job well thank you?
👍🏼👍🏼
I’m always satisfied with the work performed by T-Mark. They are definitely not the least expensive option, but the technicians are consistently competent and the company stands by its work
Mike Milne was our service tech, he was great, fixed our furnace quickly and explained the problem well.
I’m very satisfied with your service. I always am with T-Mark.
Logan was wonderful, very knowledgeable total expert. Extremely satisfied! A++
Logan diagnosed our furnace problem and gave us options. Working with T-Mark is streamlined, professional and thorough.
Mike was great. Very knowledgeable and very friendly. I would highly recommend T-MARK. I was looking for a new company as mine moved out of town. I think I found it T'MARK. Thank you
Jason was amazing, very knowledgeable, boiler working like new. Thanks Jason
Office personnel top notch and follow through was excellent. Rashad, my technician, was extremely helpful, knowledgeable and very professional. I would recommend T-Mark for your heating and a/c needs!
Quick response and great service
Absolutely amazing company. Didn’t try to take advantage of us and made an honest repair and advice for future replacement. I would recommend this company to anyone
🇺🇸 Great experience with T-Mark and proud to be review number 4,000! The office girls were fantastic — super helpful and easy to work with. They made the whole process smooth from the start. Big shout out to Hayden for going the extra mile. Our furnace wasn’t working and he made sure everything was taken care of…
Scott was on time, knowledgeable, and friendly and explained things clearly. Nice job!
Great response via phone, very courteous and informative. Technician very friendly and knowledgeable. Will definitely use T-Mark again.
Was very impressed. Came on time and their HVAC specialist Logan was both knowledgeable and professional. On top of everything else she sold us on T-Marks maintenance and support program.
Outstanding service and customer service, David was very patient with me explain how everything works on my furnace HIGHLY RECOMMEND!!!
Jason came within a hour of me scheduling and fixed my heating problem! He was kind, informative and quick! Thank you!
The HVAC technicians that work for this company are poorly trained for the technology of the systems they install and support. Over the course of the last month, the 18 month old system they installed has stopped functioning 4 different times during extremely cold weather. Four different technicians have diagnosed…
Very nice worker!
Scott was fantastic - friendly snd engaging - and knows his craft well. Fixed our condensation/leak quickly and explained everything clearly.
Raisad was lovely—very polite, thorough, and explained everything he did.
Logan was very efficient and very knowledgeable, battled a furnace issue for almost 2 weeks and when logan showed up the diagnosis was spot on and the problem was fixed shortly after.
Gary was very nice and explained everything that needed to be done in a way that I can understand. I’m always impressed with their quality of work.
Service was prompt and efficient. Zach explained everything very clearly.
Scott did an outstanding job for us today. He was on time, personable & knowledgeable. He went above and beyond to clearly explain what he was doing every step of the way. Jon represents T Mark well & therefore an asset to the Company. Thank you Scott!
David came out and did a check on the vents and the hot water heater. He also explained to me how to flush the water heater and also offered to do it for me. He was very friendly and knowledgeable about what I will need to do in the future should I need to furnace maintenance and hot water maintenance. He gave me…
A great guy, pleasant, polite, explained the problem, made recommendations to fix the problem
Dave was very professional and knowledgable. He explained all of the options available and answered all of our questions.
On time, courteous professional service!!!
Riasad is an awesome technician and person. Very friendly, professional, and efficient. Great Job!!
The service was excellent
Communication with office & technician were excellent. Technician arrived at promised time. Raisad was both competent and personable. A great service experience all around. Will recommend to friends and family.
He was prompt, friendly, efficient and did the job without a problem.
Rahman was friendly, professional and completed our tune up in timely manner. Answered questions honestly.
Knowledgeable technician Amazing customer service
Scott was great. Very knowledgeable and easy to work with. I recommend T-Mark. They’re fast and make the experience easy.
Riasad was super friendly and answered all of my questions.
10/23/25 David E. Was just here checking out my high efficiency furnace that i recently had installed. He made a few tweaks and explained in detail how my furnace works. He had a lot of knowledge on the product and cumunicated it in a very clear manner. I appreciate his customer service skills. 6/4/25 Scott was…
The person misdiagnosed my heater problem. It’s was not because of coil. The problem why the heater is not heating is because of the motor. I have to pay 200+ for little cleaning up. Crazy. Never call them again.
Very thorough, timely and listened to our concerns and suggested solutions. Very satisfied with the service received.
David came to do a furnace inspection and cleaning. He went above and beyond to help us figure out some duct issues we were having with our furnace as well. Highly recommend!
Jacob came to tune up both furnaces in my home. He texted me with an expected arrival time and promptly showed up. He explained what he was going to do, performed the work, and, when completed, explained what he had done and the overall condition of the furnaces. Several times he asked if I had any questions and I…
Mike M, came out today, coordinated with me regarding timing, identified the problem immediately and fixed it in no time. Excellent service and pricing as always!
Great service. Great, locally owned, people!
Efficient , effective, friendly service
Jason was on time, friendly, and handled the issue with ease. Thanks for being awesome!
Mike did a super job cleaning out furnace and checking everything! My furnace is old and now it works like new! Thank you T Mark and a special thank you to Mike so I highly recommend this company! Linda Pearson
Very nice service
Great and fast service. Alex is amazing. Friendly, smart and fast. Awesome experience!
David, Kennan, and other T-Mark staff I interacted with were extremely helpful. David was honest, thorough, and reassuring. This was for a gas issue at my house, and it is being taken care of quickly. I definitely appreciate their help and recommend them to anyone.
Very professional, knowledgeable and an all around nice person.
Tech came promptly, was friendly and professional and figured out the issue quickly. Would highly recommend.
Logan is an amazing service person! She knows her stuff and gives very professional and efficient service! I recommend T-Mark and especially Logan! They have been working with us for many years now and we’re always satisfied!
Ben Piper was the perfect professional who answered our questions and concerns. It was a pleasure working with him and T-Mark.
T-Mark is fast, efficient, and professional. Their service professionals are well trained, their work is thorough, and they communicate clearly with me as their customer.
Great service provided by Maxwell very knowledgeable and professional
Logan is the best. She answers all of my questions. And addresses any concerns I may have. She's truly deserves a five star rating.
Scott was friendly, polite, helpful, efficient and punctual. It was a pleasure having him come over. Thanks Scott!
Scott- the assigned tech was on time and personable. He efficiently and quickly provided PM service to my steam boiler. Highly recommend T-Mark!
Excellent service
It was really easy to make an appointment. David was kind, explained things to me, and when showed me how to replace the special furnace filter when I said I was unfamiliar with it. Highly recommend.
Reliable, polite and professional staff. Riasad was a great technician. Quick and efficient. Highly recommend this business. Fair pricing. Service and repairs to heating and cooling system.
The customer service representative was fantastic upon my initial call. Very friendly and informative . Maxwell , the service professional, was timely, efficient and knowledgeable. The experience was great and I would use this company again. Thank you!
Logan was excellent. Very cordial, explained job to me prior and completed work is high quality. very polite, and professional
Alex is very pleasant individual and very efficient in his trade. You have a trustworthy and a skilled employee in your organization. Alex remembered performing maintenance last year! Five stars for sure 👍🏻👍🏻👍🏻👍🏻👍🏻
Friendly efficient service .. will recommend to family and friends
Great service by Jeff. Very knowledgeable and diagnosed the problem right away. He is as good as Logan!
Excellent experience. Logan kept me informed all through the test and tune process on our air conditioner. She did an extremely thorough job and identified some issues that needed to be addressed before a bigger problem occurred. She worked quickly and efficiently. Quality work at a reasonable price.
Great service as always. We’ve been turning to T Mark for 10 years. Always polite and respectful. Great staff, honest people. Furnace, Central Air and tankless water heaters. One stop shop.
We have used T-Mark since we moved into our house 10 years ago for heating, cooling, hot water, and plumbing. They are always easy to schedule with, fast to respond and do a phenomenal job. Today Austin came and was so knowledgeable, efficient, personable, friendly, and fantastic. We highly recommend Austin and…
Always the best...Logan was a 10...thank you
Great service and a job well done. I’m very happy with technician
She was very professional and answered the question I had and I give her 10 stars
Scheduled an estimate and joe stachura came. Saw an issue unrelated to what I was getting the estimate for and provided quotes for everything.
Everyone I have met associated with T-Mark was terrific. Fast and efficient.
Logan Blazejewski from T-Mark Plumbing, Heating, Cooling & Electric provided us excellent service recently! Always happy with T-Mark’s highly professional & reliable service!!!
Provided tune-ups on 2 furnaces.
Love T-Mark and use them for all of my seasonal furnace and water heater check-ups for the last few years. Liam and the team are awesome every time!
Was great to meet and work with Kieth
It was freezing outside, and my furnace ceased to function. She came in and diagnosed the problem in minutes flat. Obviously knows what she was doing and a very pleasant personality to be around. She can fix my broken furnace anytime.
Jon was pleasant, and did a fine job. He explained what he did and what could be done in the future, if the problem persists.
My technician was great! Efficient & informative. Thank you Scott & T-Mark
Liam is always thorough when servicing our heating and cooling equipment. He’s able to answer questions and offer advice about best practices.
Professional, prompt service
Scott K. has a vast knowledge of products and installation. ON time and professional service. Scott answered all our questions.I would definetly recommend TMark to anyone in need of a check up, repair or installation for heating and cooling equipment. Very pleased with Scott K and this appointment.
Dave Edwards was a consummate professional. Answered all my questions, was thorough, polite, friendly
Steve was on time, resolved the issue quickly and provided advice on what to prepare for in the next few years with aging HVAC equipment.
Solid work with professionals whose experience and work ethic shine through.
Nate,Davis andJoel did amezing job replacing old furnace!So professional and just wonderful team ,everything was left so clean and neat..work explained, I would recommend absolutely 100% T-Mark for your next job!
Great communication. Keith really listened to our issues and offered well thought out solutions.
This was our first experience with T Mark. Alex was friendly, professional, knowledgeable and thorough in serving our heating and air conditioning. I would 100% recommend T Mark to friends and family.
Great service from David, had a ac unit in a new rental of mine wasn't turning on and he came and got it fixed promptly. Gave great advice for future maintenance on the system as well.
My technician David (Edwards) came faster than I expected and fixed the issue efficiently and effectively! I will be using him and T-Mark for all of my properties moving forward. Highly recommend
Alex arrived when he said he would. He was very professional and courteous and answered all my questions. I would highly recommend him again. Thanks, Rich J.
I’ve used T Mark for years and they’re always professional, punctual and very nice. I get email reminders ahead of time, the guy contacts me when he’s on the way and he’s always VERY professional, never dirty or sketchy. Just had my AC seasonal service done and the guy Dave was awesome.
Ian, Derek and Matt, ALL made your business proud Professional, helpful, neat, on time and courteous. How can you improve on perfection?
Service Technician Mike Milne was pleasant, efficient and got things up and running.
Liam is courteous and very efficient- thank you for the info on when to get my ac tuned up…have a great day!
Highly recommend! Called for a furnace tune up. Technician was prompt, friendly, and made recommendations to help us save money down the line. Great price!
I requested services through the message assistant and was book asa I needed them. It took a day due to my availability, and then boom was fixed in no time. Im glad I got their help especially with a snow storm happening. Thank you Alex and Jeff. My fur family are nice and cozy.
David Edward's was very efficient and very helpful and provided a lot of information with great service.
I’ve used T mark for a few years now and I would highly recommend.
Last December we paid a substantial amount of money to have a tankless hot water system installed to heat our house and for our personal water usage. A few weeks ago we began to notice that the water was steaming hot and the system was making a loud groaning noise. T Mark sent a technician out who informed us that…
Ryan’s company Tmark is great. Iv always used them and they have always been super responsive and on time and done great work. Very professional. I just used them to replace my hvac system and they came right out to look at my old furnace and sent someone to get an estimate and replace my old system. Ian was very…
Great service. Pleasant technician.
Cody and Keith gave our home exceptional service. They were conscientious and informative throughout the installation process. All work was done timely and professionally. Would definitely recommend T-Mark for your home energy needs.
We used to have other companies service our HVAC. Now we only use T-Mark. They are the best. Their work is excellent and their prices are extremely fair.
Mike was great. Explained everything thoroughly, was quick, clean and overall a very nice guy.
Highly recommend they’re the best
Greg was exceptional when he came to check out our system and quoted us a new unit. His knowledge and passion for his trade was very evident. I would recommend him to my family and friends.
They were super polite, knowledgeable and very reasonably priced! I’ve used them on two separate occasions, one to repair my AC unit and then to check my furnace. I highly recommend!
Liam was great. On time and very thorough. Very professional.
Very clear in the communication. Great paperless proposals and options. Great install team. Very clean install once the work was complete. Great follow up after install. Will use them again at my next property.
Our A/C was 30 years old. T-Mark answered my call right away and came out the next day, replaced the Furnace and A/C. Crew was professional and seemed to know what they were doing. Seemed to get everything done without any hiccups or problems. Took time to go through everything with me. Overall very happy customer.…
Dave was amazing! He located the problem quickly and was very kind and professional. Highly recommend!!
Great service, technician was very knowledgeable and friendly, very pleased would definitely recommend them
Jacob was professional and efficient and also very friendly. Good job. Great results. Very happy.
On time efficient and professional
T-Mark has been top notch for being responsive, professional, courteous. I highly recommend them for your maintenance service needs for both AC and heating.
Ryan came prepared and ready to go. He was very professional 👏. Even though my furnace was in a very hard place to get to, he did it with a smile. Definitely will use this company again.
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Price
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system maintenance | 198 | $19–$192 |
| Heating system repair | 174 | $57–$667 |
| Drain cleaning | 160 | $158–$292 |
| Heating system maintenance | 144 | $19–$148 |
| A/C system maintenance | 134 | $26–$271 |
| Plumbing pipe repair | 125 | $305–$992 |
| Water heater installation | 102 | $1.1k–$2.1k |
| Toilet repair | 95 | $209–$493 |
