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CJC HVAC is a Somerville outfit built around one technician, Chris, who customers describe going out on the hottest days to fix a dead air conditioner. HomeAdvisor lists the company at 31 Moreland St with about a decade of experience. The written record, all from 2020 to 2022, tells a consistent story. In a 2022 review, a homeowner described Chris squeezing in an emergency repair on a 99-degree Sunday even though he was clearly slammed that day. In a 2020 review, another customer said their regular HVAC company couldn't come for 48 hours during a heat wave, but Chris showed up the same day, cleaned a unit that hadn't been serviced in four years, and left it quieter and more efficient. A third 2020 account credited him with diagnosing a failed central-air system, ordering the part, and having it running again within two days, after several other companies had turned the job down outright. Pricing comes up unprompted and favorably: one 2020 reviewer said he could have charged twice as much and still been a bargain. On HomeAdvisor the company carries a 5.0-star rating from 23 ratings and an Approved-pro badge, and the work customers hire it for centers on central A/C service and thermostat installation and replacement. One thing worth knowing going in: the five written reviews available all date from 2020 through 2022, with nothing newer on file, so it's worth confirming current availability and pricing directly before booking. For a same-day AC repair or a thermostat swap in the Somerville area, the pattern here is speed and straight talk about what's wrong — just check in on scheduling and rates up front given how the written reviews skew toward a few years back.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from CJC HVAC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Chris was immediately responsive on a 99 degree Sunday afternoon. He was clearly very busy that day, but was able to squeeze us in too knowing the urgency of the situation. He was communicative, professional, and prompt. All of the things you need in home repairs in the middle of the summer :) We will definitely be calling him again, and will utilize CJC for all future services without a doubt. Call him - you will not regret it!
Chris communicated well, showed up fast and got my A/C fixed in 15 minutes!
Chris was fantastic! Our usual HVAC company couldn't come out until over 48 hours later, and it was in the 90's out - the house was getting hot! Chris was recommended on a local FB page and he was able to come that day. He was professional and answered all our questions in terms we could understand. We hadn't had out unit cleaned in the 4 years we've lived in our home. Chris offered to come out and give it a good cleaning the following week for a very reasonable price. When he was finished, the unit was quieter and it honestly seems more efficient. Chris will be our new "regular" HVAC person! I will recommend Chris to my friends and family needing HVAC service.
My central air system went down in the middle of a heat wave and virtually every HVAC repair service that I called told me that they weren t taking new clients and couldn t help me. I contacted Chris through home advisor and he agreed to help me out. He promptly came to my house, identified my problem, and ordered parts. When the parts arrived he immediately came back and installed them and I was up and running. Chris identified and fixed my problem and the entire process took only 2 days. On top of that, the price was more than reasonable and Chris is a super nice guy. I highly recommend Chris because he is a skilled and professional technician.
I would give Chris SIX STARS if I could. Courteous, on-time, capable, neat, thorough and knowledgeable. Explained everything he needed to do in terms even I could understand. Half the price of some others I talked to; he could charge twice as much and still be a bargain. Hire THIS guy, for sure!
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1 change recorded — last scanned Sep 8, 2026.
Transparent diagnostics5.0
Repeat, years-long customers5.0
Decades-long customers5.0
Honest, no-upsell service5.0
Rapid response5.0
