Analyzing 9,108,2729.1M ReviewsFor 25,80125.8K Experts

Experts Reviews · Company report
CM Heating logoHow 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.92SCORE

CM 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

📞 Call (425) 287-5065Request a call backWebsite ↗

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.

SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.CM Heating is better than 92% of leak detection services.A
92
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.CM Heating is better than 91% of leak detection services.A
91
Craft & serviceCraft & service · 0% of the scoreGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.CM Heating is better than 96% of leak detection services.A
96
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.CM Heating is better than 100% of leak detection services.A
100
MomentumMomentum · 0% of the scorePenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.CM Heating is better than 100% of leak detection services.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.CM Heating is better than 92% of leak detection services.A
92

Reviews for your job

Customers hired CM Heating for 8 kinds of job.

CM Heating for HVAC system repair

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.372
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).4.93
Usually paidThe price range customers picked most often for this job.$100–200
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$114–$580
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 93/100.How Job match is calculatedBuilt only from reviews Google tagged “HVAC system repair”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#1 / 8
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.98%

All 372 Google reviews tagged “HVAC system repair” · showing 20

Ally6 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★

We just had Samir, Mark, Michael and John out to replace the water heater and install a GFCI outlet, they made sure to take care of us the same way the HVAC team did back in January. They wore booties, drop cloth on our floors, were so quick and efficient with their installation and did a bit of troubleshooting…

Paid $2,000+Reasonable priceWater heater installationHVAC system repair
Richard3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★★

CM Heating techs Michael M. and Joseph M. arrived on time. They figured out the best way to reroute the PVC line so the water could drain without a condensation pump. The original setup with the condensation pump created an odd sound whenever the pump stopped running. Michael felt that there was an issue within the…

HVAC system repairHVAC system maintenanceCleaning
AnkitLocal Guide · 47 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 months ago★★★★★

UPDATE: This was the quickest 1⭐️ to 5⭐️ switch! Aaron reached out immediately to understand the issue and provide a resolution wherein Charles was able to swing by and fix the issue within hours. Aaron also acknowledged that they would ensure that something like this would be resolved much more seamlessly going…

Paid $600–800Not sureHVAC system repair
Brian1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 months ago★★★★★

Emmanuel Maldonado, clean, courteous, respectful and thorough. Exceeded expectations.

Paid $400–600Reasonable priceHVAC system repair
StephanLocal Guide · 90 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★

It's hot. The tech did come out the day after I called.. I don't know how or when my cooling coil will be replaced do to the one installed 30 months ago leaks. I do know they plan to charge 1200.00 whenever the figure out how to get a part that's no longer made. They said if they don't call by tomorrow then I should…

Paid $1,200–1,400OverpricedHVAC system repair
BillLocal Guide · 19 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★★★★★

Excellent, quality work!

Paid $200–300Reasonable priceHVAC system repairService not listed
BobLocal Guide · 10 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★★★★

Had 3 yr. Old system annual check-up !! (HVAC & Furnace)

Paid $200–400Reasonable priceHVAC system repair
CarolLocal Guide · 18 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★★★★★

C&M Heating and Cooling just completed another annual check-up of our Heat Pump system. James Penney, a friendly professional, completed a thorough examination, spending more than two hours with detailed attention. We have been very satisfied with C&M since they installed our heat pump in 2022. James Penney is…

HVAC system repairHVAC system maintenance
Steven2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★★★★★

Dan did a good job checking out the system and, especially, explaining the possible causes of ice build-up and preventative steps to avoid in future. On follow-up visit Dan did an excellent job of isolating the refrigerant leak to the inside unit coil and initiating the warranty-covered order for a replacement…

Paid $1–200Reasonable priceHVAC system repairDuctless heating & A/C services
Robert2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 3 months ago★★★★★

He did a great job!

Reasonable priceHVAC system repair
Stan1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

Great crew, very efficient and knew their business! Never left a mess, cleaned up after every phase and at the end of the day.

Reasonable priceHVAC system repair
Mark4 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

Detail oriented , clean and friendly.

Paid $200–400Reasonable priceHVAC system repair
Paul5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

Great service

Paid $200–400Great priceHVAC system repair
rico16 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

Got it done quickly

Paid $400–600Reasonable priceHVAC system repair
Karen1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

They were great. Here on time and got the job done right.

Great priceWater heater installationHVAC system repair
Lynn10 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

Great communicator. Timely and solved the issue quickly. Highly recommend.

Reasonable priceHVAC system repair
Greg11 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

Edgar was so well prepared and knowledgeable about the electrical work needed - took time to explain and really listen to us. A true professional and frankly just a great guy. Couldn’t recommend higher! - Greg

Reasonable priceHVAC system repairDuctless heating & A/C services
Jorge1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

The tech was very helpful and knowledgeable, he has locked my business. Thank you

Paid $1–200Great priceHVAC system repair
Rebecca11 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 4 months ago★★★★★

On time, clear communication, glad to be in the club.

Paid $1–100Great priceHVAC system repairHVAC system maintenance
MLocal Guide · 71 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

Came the same day, for an emergency fixed price, then charged for the small fix. He fixed my problem and was quick. Would use them again!

Paid $400–600HVAC system repair

Show more HVAC system repair reviews (352 more) →

Price

$292-32% vs typical leak detection services

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.

Great price 27%Reasonable 63%Overpriced 2%Not sure 8%

Jobs customers hired them for

JobReviewsCategory typical
Heating system maintenance861$78–$251
HVAC system maintenance733$39–$264
Heating system installation639$1.1k–$2.1k
Heating system repair553$114–$529
Install AC413$1.6k–$2.9k
HVAC system repair354$114–$580
A/C system maintenance343$37–$295
Installation253$578–$2.1k

Compare with

Action Leak Detection logoAction Leak DetectionExperts Score 100Everett · 5.00★Dirt Cheap Sewer Inc logoDirt Cheap Sewer IncExperts Score 98Everett · 4.96★Magic Flow Plumbing logoMagic Flow PlumbingExperts Score 96Everett · 4.98★