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%92+50.2Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%92+6.5Craft & service penalty96−0.4Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.92SCORECM Heating
Everett, WA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #28Position by Experts Score among all companies we track in this category. of 54 leak detection services · 4.9★ from 7,953 Google reviews
Report card
Percentile vs other leak detection 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 CM Heating for 8 kinds of job.
CM Heating for a/c system maintenance
Clear ✕All 348 Google reviews tagged “A/C system maintenance” · showing 180
Anderson was on time, friendly, respectful of my property, and very knowledgeable. He didn’t push any other services or products and left the decision solely in my hands.
Been using CM heating for 17yrs. I recommend them. Great people.
I've been with Cm Heading for a long time will not go anywhere else. They have taken care of my family's needs. They make everything right all the time.
Very detailed and thorough. And also a nice guy.
Our tech, Anderson Carter was wonderful. He explained how well our system was working and how we can improve the life of the system. He was extremely helpful, personable, kind. Would love to see him stay with the company and be our tech with any issues we might have in the future.
Anderson Carter is stellar
Ray was a pleasure to deal with. He did a very thorough job and gave us some new information about our system. We've always been happy in our dealings with CM Heating.
Fast efficient and knowledgeable
Professional Michael Sullivan awesome Tech/ Plumber. Install tank less water heater
Anderson was great!
Alexander was very knowledgeable and helpful. Everyone we’ve worked with at CM has had such great customer service and they do quality work that we trust.
Great experiance across the board from start to finish. They have the nicest technicians and are always courteous, on time and respectful!
CM installed my heat pump a few years ago and have taken great care of me ever since. Had an emergency and you can call day or night and they send someone right out. Love this company and the crew is always so friendly and professional!
worker was thorough and friendly.
You will not find a more professional HVAC/Plumbing/Electrical company anywhere in the Seattle area! These technicians are very highly trained and the services they provide are consistently excellent. We've used them for years. My company has also utilized their services for many years. They are not the least…
Knowledgeable and experienced
great service, qualified technicians and prompt services. Saul is very knowledgeable and honest.
Nikko was awesome! Professional, thorough, knowledgeable and efficient !
We used CM Heating to service our furnace and air conditioner this year. As usual, they were prompt, very thorough and nice. I told them my concerns and they checked everything out!. Our house is nice and cool and we couldn’t be happier!!
Very friendly, and patiently explained everything to me. Quick was able to get in and Out in just a couple of hours and kept me updated on his progress the whole time. C&M is a great company I can’t say enough good stuff about them, and they hire just top notch people to represent their company. I put the call in…
Simply outstanding, professional service by Nikko Cossins who is an extremely well trained technician who performed a masterful maintenance service. I would recommend this company to anyone needing HVAC service. Thank you for another outstanding job.
Carson from CM Heating was professional and knowledgeable. He was able to help us with our furnace and provide us with great service
Adam was very professional, prompt, and knowledgeable.
Hagan was a professional. We had a/c issues and he addressed them and reassured us he could resolve the issue. He was super friendly and helpful. He made a possibly stressful experience much better for us. I highly recommend
Adam was super! Very prompt with his notifications and on time! His knowledge was fantastic and he spent the time required to resolve the issue and provide with the background of the issue and how he resolved it. Adam is always welcome to come back. I give him too marks! 5 out of 5! Antonio Carbajal was a fantastic…
Caleb was friendly and professional in the maintenance of my air conditioner. CM Heating communicated with me regularly to make sure I remembered my appointment and who would be coming to my home.
Dan came out to my house to check on my AC unit that wasn't working. No cold air on a 90 degree day. He came that same day, assessed the issue, and let me know my options going forward. He was very professional and very nice to deal with. Great job, Dan!
This gentleman was thorough & fast. We appreciate his help and highly recommend him.
6/10/2026 - Graham did a great job servicing our mini split and was very professional. 6/11/2026 - Josh found a hidden electrical panel in our garage last week. The power went out and he couldn't figure out where the wires were coming from. The panel he found was a Federal Pacific panel and was recalled. He cleaned…
Edgar was very pleasant and professional. I had several concerns and requests which he assured me he could take care of. One company said I needed to replace my electrical panel if I added a heat pump. Edgar shared how I could save money by not replacing it. I appreciate his honesty!
Chase Bolen was very knowledgeable, personable, and honest. He took the time to explain things clearly, answered questions honestly, and made my experience a positive one. He's the kind of technician who makes you want to stay loyal to a company. Thank you sir!
Excellent service! Technician was on time, polite and efficient Such a nice, considerate guy!
A++ for Adam. I learned about temperature control in the house for my AC and Heating. He is professional, personable, and extremely knowledgeable about all AC and heating. CM Heating is fortunate to have such a great employee. Give that man a raise! But if you have to raise my monthly rate to do so, I’d like to rethink that. Lol. :-)
Annual maintenance very thorough. Used many instruments to check all details. Very satisfied with the routine maintenance visit.
Friendly service, tech helpful and professional, great suggestions, very efficient and kept me informed throughout the service
Working with CM Heating has been incredibly easy! We were giving a lot of great information to help us make our AC decisions. I appreciate that the company gives me information about who is showing up at my house and that they text when they're on their way to your house.
Technician was knowledgeable, efficient and personable. Great representative of your company.
Graham and Carter were polite and friendly. They did a complete test of our thermostat, furnace and heat pump. Highly recommend!
Edgar was great to work with, very knowledgeable and professional! I’ve been going with CM heating for everything from our fireplace maintenance to electrical and getting our EV charger installed now, I have always had a great experience with them!
He did a great job at explaining everything and was very professional. Very nice and friendly.
We love CM Heating... they are very professional, thorough and friendly! Would recommend them to everyone.
Another great service call with CM Heating. Enjoyed Jacks company he was friendly, thorough and considerate with great conversation. .
Austin was courteous, friendly, and efficient! He checked out all of the parts and made sure everything is working properly.
Brandon did a great job when he came back out today and did the cleaning right that it needed
They are the best and so professional and thorough. They installed a new system and from the first call CM heating has been 100% the best
CM heating was very professional and helpful during today’s maintenance visit. Thanks Austin!!
Brandon arrived on time, was friendly, professional and explained all things; love CM Heating! Highly recommend them for all your heating/cooling needs.
A very competent and friendly representative
Louie, was very professional and kind. He was respectful and used shoe coverings in the house. He was very polite and gave me thorough explanations when I had questions about my heat pump. Thank you!
Cody was alright. I had to mention to ask if he was going to clean the filters cause he started putting him back in. He said they weren't that dirty but thats part of maintenance. Otherwise he did fine
We've worked with CM heating for several years. They've installed a heat pump and furnace for us, and do our yearly maintenance. They've always been very professional and quick to respond when we've had issues.
Update 12/8/2025 For some reason they thought I had a heat pump when I have a gas furnace and separate AC unit that they installed (both of them). So the servicing guy could only do the furnace and they'll need to come back in the spring for the AC. They had the same data issue earlier this year and I corrected…
I waited to write this review because I wanted to see whether they were not only good at installation but also responsive when issues came up. After more than a year, I can say they’ve been excellent, professional, quick to answer calls, and super easy to reach!! Highly recommending them.
Graham did a great job! Very thorough and informative!
This was the third repairman (maybe fourth - lost track) to fix our “gurgling” sound on our AC unit. Fixed it in record time as it turned out to be a simple issue of gravity. Many thanks for the fix, the absolute positive nature and demeanor which personified his pleasantness. Very nice gentleman AND HE WAS…
A well organized and responsive company. Good maintenance program: keeps our household comfortable and our equipment reliable.
Today for first time, I have great experience with Hakan, He’s really professional and take the time to explain The process Of maintenance he was doing and questions I have. I hope he comes next time to my house.
I had our electric furnace and heat pump serviced by CM today and I was really impressed with them. Zachary came out and was really nice and knowledgeable and did a really thorough job of inspecting the system and both units. There was one repair that he suggested and he explained everything really well and showed…
During the inspection the technicians identified that the A/C unit was very much overdue for a deep cleaning. They were able to pivot and include that cleaning as part of the maintenance visit with a reasonable increase in price and time to complete.
,Hagen Tidwell of CM Heating arrived on time and was in a clean uniform and presented himself very well. He was there for A/C and heating maintenance . He was quick and efficient in his job. I will used them for yearly check-ups and more. The company does Duct cleaning, plumbing and electrical!!
The technician was very informative.
Routine maintenance. Excellent service as always. Dan was polite, friendly and efficient. He also took the time to make friends with our dog, which is always a plus.
Doug is a very nice guy and I think he fixed my thermostat problem but the next few days will be real test if it continues to maintain the temps I want
Chester did an outstanding job. A model for all sales people. Great demeanor, very knowledgable in CM's products, services, and history. He gave us a reasonable quote for a new heat pump, vent cleaninq, and an inside filter solution so we don't need to pay someone to change the filters located in a crawl space. Great sales person. Great company.
Friendly and knew his business. Completed annual service as expected.
He was thorough and friendly. Highly recommended
The technician was very informative and professional.
Always professional and informative. I have used CM heating for many years and would highly recommend this company. Edgar Manzillas-Garduno is a wonderful electrician and I hope he is sent back to our home for any of our future electrical needs.
We had a great experience with Evan. He gave us lots of helpful information and answered all of our questions.
Top notch service. On time, good communication
Vincent was awesome!! Dealt with my pesky dogs and got the job done right. Highly recommend.
CM Heating did an awesome job inspecting and cleaning my electric furnace and heat pump and answered all my questions! They always go above and beyond. I especially appreciate the excellent communications with scheduling appointments and letting me know when they are on their way.
CM Heating came out and did an awesome job of tune up and maintenance of our HVAC system. The tech was great!!
Quick service and same day availability. Just a couple hrs of work and our unit was running normal again. Cost was a little more than we anticipated but overall we’re very happy with the service and result. Will use CM Heating again in the future!
While I have been waiting and waiting for a few other contractors to submit their bids, Edgar gave me his bid on the spot!
Great job, professional & efficient.
Gabriel was knowledgeable, thorough and clear on how our hvac was running and what maintenence was necessary versus recommended.
Great service again from the folks at CM heating. This time the AC was acting up and I was able to get an appointment scheduled quickly. Emmanuel showed up when we were expecting and quickly fixed the issue for us. Happy to have everything working well again.
We are so happy with CM Heating! Everyone from customer service to the techs are kind, polite, efficient & solution oriented. 10/10!
Very Helpful & informative. Thank you very much Keegan!
Knowledgeable and professional
Updated review: ***Buyer Beware*** It was a shaky start from the initial install process requiring multiple trips and parts that were not quite available yet. Not sure why they would schedule an install and not have everything ready. Also, keep in mind most of the reviews on here are about the technician that…
Hakan showed up on time and was very professional and friendly. He didn't find any problems with our system but did find and remove a frog that was electrocuted in the heat pump(poor Kermit). Cand M Heating gets a 10
Bryce, Austin, and Ethan from CM heating have all been great. Professional, friendly, straightforward.
Emmanuel went over and beyond with his service call and with his customer skills. Thank you very much.
Gabriel was very friendly, professional, and knowledgeable. He explained everything in detail and gave his honest opinions. I would highly recommend CM Heating to anyone looking for the services they offer.
Absolutely, excellent service fast response. Thero courteous couldn't ask for anything better
Evan stopped by to help us with a failed condenser fan motor, and he was awesome. He diagnosed the issue quickly, gave me some useful background info, and walked me through maintenance tips to help us keep everything running smoothly. Our issue was time-sensitive with guests arriving soon and he was very considerate…
Great customer service, was able to get a technician out quickly to evaluate the HVAC system. Emmanuel was very thorough and did a great job!
Very nice and professional. Answered all my questions. Didn't get upset when my very big dog kept saying hello
Ethan did an excellent job. He was pleasant, personable, and knowledgeable about his job. He was also very prompt and quick to complete his job. Explained clearly what he did and offered options for me to keep my system running efficiently.
We were so happy with Dan, and CM Heating. His professionalism and his work was awesome. Wore protective shoes, very clean and personable. CM Heating is our go to from here forward. Thanks CM and Dan
I had a problem with my heating and cooling system not working. Doug found the problem and ordered the part from Japan. Very satisfied!
Dan did an excellent job of completing a maintenance check on my heat pump and furnace. He then cleaned the blower wheel thoroughly. I especially appreciated hearing his evaluation of my system as well as his explanation of how he cleaned the blower wheel. When he left, I felt very secure in knowing my furnace was ready for another year.
CM heating has great people. Best company out there! Kyle Hubbard and Rafael Daza are amazing techs. I had great experiences with them and would love for them to return to service my units if ever needed in the future! Also had an amazing experience with Regis today! There really is no beating CM heating! Another great experience with Hagen Tidwell!
Our technician Ethan did an awesome job. CM Heating responded on short notice after our AC unit failed. Ethan came the same day we called and did a great job diagnosing the issue.
I've used CM heating for a couple years now and always get stellar service. Whether it's an emergent call or maintenance, the techs are knowledgeable, helpful , and able to work with my aging equipment to forestall my having to replace it just yet.
You is did a great job on maintenance and inspection of our furnace and AC. He is very friendly and professional, providing us with the results of his inspection and recommended services.
Technician was friendly and professional. CM installed our ac and did a good job. They maintain our AC and we are very satisfied. Thank you
Deep knowledge of systems coupled with strong ability to articulate and present solutions.
Great person to work with. Friendly and knowledgeable.
Great company to work with! They are professional and courteous. The products used are high quality and come with a good warranty. If there is any problem with the equipment they will make it right. Thank you!!
Younis was professional, personable and thorough. He took the time to explain the service he performed and even answered an unrelated to the service question about ongoing maintenance. I highly recommend Younis and C&M Heating!
Great service would recommend to others
As Always - Great service and quality recommendations. Evan was fantastic! On time, no issues with billing or services. Installing a new furnace to fix huge errors made by previous owners and expediting as well... First Class all around.
We just had central AC and an air scrubber installed in our new home by CM Heating. Chris and Luke did an amazing job from start to finish, as did the electrician, but I don't recall his name. They texted and called when they were on the way, and were prompt, efficient, professional, knowledgeable, and courteous!…
April 2025 - Zachary performed the seasonal check on my HVAC system. He was very thorough, professional and friendly. I appreciate that he took the time to answer all my questions. May 2024 - Emmanuel performed the seasonal check on my HVAC system. He was very professional, friendly, and kind to my nervous dog.…
The company called me ahead of appointment with a reminder. They also sent a picture of who was coming so I would feel more comfortable letting him in my home. Loved that! The both technicians Brandon and Marshall were very helpful and courteous. He went above and beyond by giving me tips on things that would…
I rely on CM for my HVAC maintenance because the are reliable and honest.
Great response and the tech was very knowledgeable and polite
I love this company! Everyone we have worked with has been so great!
The technician Josh was timely, very efficient and thorough in his work. He explained what he was doing, answered my questions to my satisfaction especially when explaining the details of his maintenance service and replacements he had done. He also forwarded to me a copy of his report with photos - very complete and comprehensive.
Great experience, service tech was on-time and very experienced. Helped explain features on thermostat we did not know about. Signed up for service for next year.
Joseph Romero fixed the issues with the toilet using his expertise and equipment. He arrived on time and discovered the problem after using the camera inside the pipes. He resolved the clog problem and provided timely information during the process. He provided estimates for future consideration with detailed…
Amazing quality and customer experience! With helpful and friendly customer service.
Carson did our annual checkup today. Highly recommend. He was fantastic. I also asked for a quote for something outside of the annual checkup - he was able to get it for me while he was still on site. fantastic service!
Only company I'll use.
I was a happy customer of CM. Really professional company great communication lots of resources!
I had some issues with my air conditioning this summer, Don came out and tested everything, added dye to find the leak.. did a very thorough job and through diligent diagnosis, saved me thousands of dollars in what would have been unnecessary repairs. I will definitely call them again for any future heating or air conditioning needs!
Dane was my service technician for a yearly maintenance on my furnace and heat pump. He greeted me upon arrival and clearly explained what work he would be doing. He used terms that were easy to understand and made sure to answer questions and address any concerns I might have. Anytime he was in my home he wore…
Zac did an excellent job and his customer skills are the best as well. He answered all my questons plus did a great job on both systems with the maintence work as well.
We received very timely service (within a day of calling) for our heat pump, which kept tripping the breaker. The technician, Raymond, who provided the service was very professional, knowledgeable and efficient.
I did my research when I was looking to install AC in my home and decided to go with CM heating and have been really happy with my decision. That was 5 years ago. Since then they have come out to do my annual maintenance for my AC and furnace and they have continually exceeded my expectations for how kind,…
He took care of us in our time of need. He went the extra mile to make sure that everything was done correctly. His wrk was truly appreciated.
Performed service he was sent to do. Professional, helpful and knowledgeable.
Update 6.14.24: Tobin came out to look at a tricky situation uncovered by a different tech during our annual maintenance visit involving the box that our furnace sits on. He figured out that issue and instructed us on next steps. He also tried to figure out where we could place another return so that our AC would…
David was great. On time, lots of notification, professional, responsive, very informative. CM Heating is great!
Prompt friendly knowledgeable service as always
Experience was great… Kevin and Carson were professional, polite and knew what they were doing. Definitely recommend CM Heating!
Always get great service from this company
Aaron was great. Did a thorough heat pump service and provided valuable system information.
Quick and professional,
Aaron was great he explained what the problem was and fixed it. Much appreciated and thank you
Adam did an awesome with the maintenance on my HVAC system! Was quick and professional!
In-house consult for a complete new system including hot water heater, A/C unit and furnace. He spent over an hour going through everything, explained how it all works and which system would be best for us and our budget. He was not a pushy salesman, which we really appreciated and answered all of our questions so we could make an educated decision.
Cost competitive service and friendly knowledgeable technicians. Only comment is wide range of arrivals times so would be nicer to have more narrow two hour windows but was able to request AM appointment which they were able to accommodate.
Lance was our technician for the first year inspection of our heat pump and furnace installed by CM Heating in 2022. He was on the install team and remembered our home. Lance was respectful and handled our barking dog with kindness. He was thorough and answered our questions. CM Heating has been a joy to work with and we recommend them every chance we get.
Every interaction I’ve had with CM heating has been top notch. From installation, to maintenance to warranty service calls, and even a service call for an issue not caused by the unit. They have always been professional, polite, and super helpful. They let you know when they are coming, and call with an ETA so…
Won’t perform work.
The tech was very helpful in getting my furnace working again!
Shoutout to Kevin Singson. He was very professional and easy going. He came to do our one year maintenance and was super thorough - made sure to check every component of our heat pump. Heard him and my husband laughing in the garage. He finished up a little after 5pm and still had two more clients to see. Thank you for your hardwork.
Exceeded ALL expectations. Attitude,aptitude and appearance. On time, complete clean up upon departure, complete explanation of services and operations.
Brand new system installed a few months ago. Rarely works correctly. They have been out a few times only to have it work for maybe a day after they leave or not working at all. Hard to get them out at a time that were are home to better explain what's going on.
Annual main service.
Riley came to do a one year maintenance check on my furnace. He was extremely professional and informative. He answered all my questions.
Had to have a rep come out for some noise, no questions asked - serviced the next week quickly, professionally, and on time. Always a great experience.
Chris was very professional, nice and very knowledgeable about our heating unit. Chris performed all the maintenance on the inside and outside units explaining all that needed to be done. He even gave me a crash course on my thermostat which was so helpful. He really did an excellent job and he is a very nice…
Thank you
Techs explained everything they did and answered all our questions knowledgeably. Definitely calling on them for our maintenance needs.
Justin was great. Communicative, timely and easy to work with.
Everyone from the beginning of the call through the end of the service is professional and nice. The service I had today was incredibly thorough, professional, and the gentleman who worked on my furnace was clearly very knowledgeable. Everything was done in a timely manner, the estimates were clear and fair, so I…
Did the service on time. Thanks!
Happy with the service I received. Technician was very knowledgeable.
Riley was extremely knowledgeable and professional. Explained what could be problematic in the long term.
Riley was friendly and patient to explain what he will be doing. Established standard performance and possible improvements. CM Heating is a quality company and fair in their estimates.
Cm heating was quick and responsive! Charles was very friendly and professional, he deserves a raise 😉
Switched from another company and found them professional from initial contact, setting up the appointment, arrival and completion of the service. I will be using them again.
I appreciated the efforts made by the CM Heating installation team led by Michael. They were enjoyable and engaging from start to finish. The heat pump installation went seamlessly. The weather didn't cooperate but they were prepared with a tent for the outdoor installation, indoor shoes when needed as well as…
Great service. Very professional Josh came out to help with a gas leak in my furnace and was very professional
Very professional and informative
Maintenance
Young arrived on time as promised. He was curtious and put his booties on at the front. Troubleshot furnance minimum amount of time. Explained what he found and offered options to correct and costs. He had necessary parts on truck. Installed thermostat and explained operation. Completed billing and left my home as…
We used CM heating for multiple projects and each time they have been extremely responsive and professional. We would recommend them to anyone.
Such a great job and so kind in his communication of what’s going on! He was very personable and helped me understand what was going on with our AC unit and made a thorough plan of how to fix everything. Really appreciate it!
Excellent job ,thanks CM and Charles bannister.
Great work, fair price. Very professional communication from the appointment setup all the way through the repair. Didn't fix a part that was older but still working fine. Replaced another bad part and found a water line that was run incorrectly that would surely cause a problem in the future. Fixed that. Appreciate…
Super responsive and excellent customer services.
Adam Weberg was our tec. He was on time and also very responsive to text messages before arrival. He was very professional and went right to work trouble shooting our A/C issue "not cooling" in a very short time He found our issues and had us up and running and also ordered us a replacement part. He let us know…
Antonio from CM Heating was wonderful!
Really nice and informative
After carefully looking at all heating companies on the PUD site. I chose 2 companies. After we met with both we chose CM HEATING. After meeting with Lyle, the Project Manager And talking with him we felt totally at ease about this whole thing. A week later the guys came over and tho we had a few bumps in the…
Justin Dreager was professional, knowledgeable, and friendly. He quickly identified the problem and fixed the issue. Super happy with Justin and everyone in the home office. What a great company!
Great customer service. Professional team. Knowledgeable. A+
Antonio was very nice and professional. He was supposed to arrive between 1 and 5 pm but didn't come until a little after 5. Performed all work professionally and efficiently; however, there was a part in our air conditioning unit that was going to fail in the near future and he pointed that out and asked if we…
Thank you Davis, Christopher and assistant, The Electrician and everyone at CM Heating. You were very professional to give me options on to help me with understanding how CM Heating will help me to stay cool this summer and many more to come.
After looking for a good Ac heat pump company , we got CM heating. They got us in sooner than any other companies. They had all of the items and scheduled so soon for the instillations. Financing part went soooooo smooth and the instulation day was great , we ran into so rocks after the instulation but they came the…
Update June 12, 2022 Had the first annual regular maintenance on heating and AC system CM Heating installed last year. Adam was efficient and helpful in offering advice on how we can optimize the performance of our system. We appreciate the consistently reliable and high quality of service we've received over the…
Antonio was friendly, informative, and efficient. I regularly refer C&M Heating to friends and clients, and highly recommend Antonio for his service and professionalism.
I've been a customer for a few years now and have always been very satisfied with their service and responsiveness. I highly recommend C&M heating to all my neighbors. Very satisfied!
Regis was very polite and informative. Asked us about any concerns or questions before getting started. Checked out with us at the end and was very professional every step of the way!
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 |
|---|---|---|
| Heating system maintenance | 861 | $78–$251 |
| HVAC system maintenance | 733 | $39–$264 |
| Heating system installation | 639 | $1.1k–$2.1k |
| Heating system repair | 553 | $114–$529 |
| Install AC | 413 | $1.6k–$2.9k |
| HVAC system repair | 354 | $114–$580 |
| A/C system maintenance | 343 | $37–$295 |
| Installation | 253 | $578–$2.1k |

