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 heating system maintenance
Clear ✕All 865 Google reviews tagged “Heating system maintenance” · showing 40
Hired CM Heating for a routine furnace tune-up. The tech first told me my heat exchanger was cracked and there was rust. After I called their office, he changed it to: no crack, just a little rust — and the rust isn't a problem. But his meter was showing CO, he couldn't say why, and his answer was to replace the…
I can always count on CM Heating to come to my rescue right away. The team members are always friendly and informative.
Already did survey, wanted to let management know Tyler is the Best. Great understanding of the task at hand. quick to point out issues. Easy to work with and a true professional. Job 1 attitude.
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.
His evaluation of our system and his work doing it were topnotch.
Dan was very professional. He kept us informed during the whole process and summarize the service at the end. Very impressed.
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.
On time. Very professional. Completed annual maintenance check in a timely manner.
We bought the maintenance program last year. The service was great today.
Dan and Peter were extremely helpful and knowledgeable. I would 100% recommend to anyone!
Charles was great! Answered all our questions, was very respectful of our property, appreciated our dog and provided excellent service. Thank you for the service!
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…
great service, qualified technicians and prompt services. Saul is very knowledgeable and honest.
Brandon was friendly, professional and efficient.
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.
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!
Nicko is always reliable. Excellent work.
06/15/26 Emmanuel did n incredible job, friendly, efficient and we are claiming him as our tech from now on.
We are on the pre-paid service plan with CM Heating. I love it. I never have to remember to schedule our yearly furnace and HVAC repair. The office calls with a reminder. Today Nikkoo Cossins stopped by to make sure that everything was in order. Glad to know that our air conditioning is ready to go before the…
Knowledgeable, educated me, good advice, good air conditioning solution for my home
Friendly and professional. Helpful.
We have been using C&M Heating’s services since 2013 including a new furnace in 2016 and recently, a new Hot Water Tank. Every Service Person has been professional, pleasant, and efficient.
Diagnosed the problem and we have a plan in place! Ray returned today and completed my job , did a thorough check of my entire system and did so so that I could leave in the morning on vacation. An absolutely wonderful job!!!!
The installation crew did wonderful work in a timely manner. Everyone I have had the pleasure to interact with from CM Heating has been friendly and helpful.
Showed up on time. Explained everything. Was very informative.
Friendly service, tech helpful and professional, great suggestions, very efficient and kept me informed throughout the service
Brandon serviced our furnace and A/C unit and he was very pleasant to work with. Though there were no issues he gave some feedback for future potential issues and what I can do now to help with limiting that.
Charles came in today for the annual maintenance of our fireplace. Very professional in his interaction and thorough in his work. Would recommend CM Heating
Love the service!!!
Austin Miner was my service tech today (had a trainee, Cody). Both were very thorough and prompt, which I appreciated. Austin was knowledgable in answering my questions about a new filtration system that he mentioned. Glad I continue to be serviced by CM. Brandon is the most recent service tech who came out to…
Exceeded All expectations . Had a new furnace installed today. Saul and Tim were professional, efficient, knowledgeable and expedited installation of new furnace and removal of old one in NASCAR record time. Now I understand why CM HEATING has so many positive reviews. Thankyou for making the experience positive and…
Tobin came to address our inconsistent heating rhythm. He quickly identified the source of the problem and educated us on ways to optimize the furnace's performance. Tobin was friendly, respectful, efficient, and sought to provide service beyond the immediate problem. We have had consistently positive experiences with all of the family of CM Heating.
CM is very good at scheduling and meeting their commitments. The technician that serviced our furnace, David, was friendly, professional and informative. Highly recommend this company.
Very good service. Neat and organized and very informative.
Great experience thus far! Love the guyzzzzz!
Another great check-up from CM Heating and Cooling. We decided last year to have CM Heating and Cooling take care of our yearly tankless water heater check-up and are very happy we did. Samir was right on time, even called ahead to let us know he was on his way. He was cheerful, very professional and clearly knew…
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!
CM Heating inspected my HVAC and furnace, Ryan was pleasant and professional. I appreciate doing business with CM Heating.
We have CM Heating maintain our furnace and Gas fireplace annually.
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 |
