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4.9 stars, 287 reviews

Every review, not just the good ones

Filter by the service you need or the city you live in. The three-star review is in here too, along with what we did about it.

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Google Reviews

4.9

287 reviews

5
268
4
14
3
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Read them on Google

Marisol Vega

Called at 7:40am when the house was already 84 degrees. They had someone here by 10. Diego found a burnt capacitor, showed me the photo of it, quoted $265 on the spot and had cold air running before noon. No upsell, no lecture about my system's age. Just fixed it.

Trent Okafor

2am on a Saturday and an actual human answered the phone. That alone was worth it.

Response from the owner

That is exactly why we staff it that way, Trent. Glad we could get you back up.

Katherine B.

We got four quotes for a full system replacement. Kessler was the only company that actually measured the house instead of just looking at the old unit and writing a number. The tech explained that our previous system had been oversized for 20 years, which is why we always felt clammy in the summer. New system is a half ton smaller and the house has never been more comfortable. Not the cheapest of the four but they were the only ones who seemed to know what they were doing.

Ray Delgado

Found a clogged drain line before it came through my ceiling. Installed a float switch I did not know I was missing. $190.

Amanda Whitfield

Joined the Comfort Club two years ago after our neighbor waited nine days for service during a heat wave. Best $19 a month I spend. We have never waited more than a day.

Josh P.

Fast, fair, done.

Nadia Hassan

One bedroom in our house was always 6 degrees warmer no matter what we did. Three previous companies told us to buy a bigger unit. Kessler did a duct leak test and found a completely disconnected duct run above the ceiling that had been dumping air into the attic since the house was built in 2011. Fixed in an afternoon for under $400. I am still a little angry at the other three companies.

Bill Traeger

Good install and the crew was professional and tidy. Only reason for four stars is the permit inspection took longer to get scheduled than I expected, though to be fair that is the city's timeline not theirs.

Priya Raman

My mother is 84 and lives with us. Called on a Sunday when it hit 99 and the AC quit. I mentioned her age and they moved us up the queue without me even asking twice. Someone was here in under two hours. I will not use anyone else.

Doug Kimball

Tech checked the manufacturer warranty before quoting and found the compressor was still covered. Saved me about $1,800. He did not have to do that.

Sasha Moreno

Charlotte pollen has wrecked me every spring since I moved here. They put in a MERV 13 cabinet and sealed the return ducts in the crawl space. This was the first season I could sleep through the night.

Kevin Nakamura

Straightforward, honest, on time. They texted me the tech's name and photo before he arrived which my wife appreciated a lot.

Erin Fitzgerald

Our furnace was doing something alarming and the tech shut it down immediately, showed me a hairline crack in the heat exchanger, and explained the carbon monoxide risk in plain English without being dramatic about it. We replaced it that week. I genuinely think they may have prevented something serious.

Marcus Webb

Second visit in three years and both times the price matched the quote exactly. No mystery fees at the end.

Lena Osei

The spring tune-up caught a failing contactor that would absolutely have died in August. $210 in April instead of a miserable weekend in August.

Tom H.

Concord resident. Half my street replaced their systems the same year and everyone was scrambling. These folks got to me in a day.

Rachel Sandoval

Financing made this possible for us. $0 down and the monthly payment is less than what our electric bill was dropping by anyway. Checking eligibility did not touch my credit score, which I was worried about.

Grant Whitmore

Upstairs was always 8 degrees hotter. They explained it was a zoning issue and not a broken AC, then actually fixed the zoning instead of selling me a new condenser. Honest work.

Yuki Tanaka

Called at 11pm. No overtime charge. I asked twice because I did not believe it.

Clarence Boyd

Asked them directly whether a heat pump would keep up in a proper ice storm. The tech said no, not on its own, and then walked me through sizing the backup heat properly. First HVAC person who did not just tell me what I wanted to hear.

Melissa Fontaine

Same day service on the hottest day of the year so far. I do not know how they managed it.

Andre Petrov

Solid work and a fair price. The two-hour window slipped by about forty minutes but they texted to let me know, which is more than most companies do.

Simone Adeyemi

1948 house in Dilworth. Every other company wanted to talk about the unit. Kessler spent an hour in the crawl space first and came back saying the ducts were the actual problem. They were right. We did the ducts and a smaller unit than we were quoted elsewhere and the house is finally even.

Chad Rollins

19 year old system. I fully expected the replacement pitch. Tech put in a $340 capacitor and told me it would probably buy me two more seasons. Zero pressure.

Denise Kwan

Priority scheduling is the whole reason to join. Worth every cent in July.

Victor Almeida

Fourth of July. Answered on the second ring. Here within three hours. Same price as any other day.

Hannah Brightwell

Our 2020 build was constantly humid despite the AC running nonstop. Turned out to be an oversized system, exactly as they suspected before even coming out. Added a dehumidifier and the difference is night and day.

Ronald Meeks

We are on propane out here and the last company set it up wrong. Kessler caught incomplete combustion on a routine visit and corrected the orifices. They ran a CO test without me asking.

Bianca Duarte

Quick, clean, and they wore shoe covers without being asked. Small thing but I noticed.

Peter Vandenberg

They pulled the permit, met the inspector, and handled all of it. Our previous AC in this house was installed without a permit by the prior owner and it caused us a real headache at closing. Never again.

Aisha Rahman

Diagnosed in twenty minutes. Fixed in forty. $230.

Gordon Slate

The repair itself was fine and has held up. My issue was that the first appointment got pushed to the next day during a busy stretch. They were upfront about it and did not charge me the diagnostic, but I had taken time off work.

Response from the owner

You are right to be frustrated, Gordon, and I am sorry. We overcommitted that week and you paid for it in lost time. We have since capped daily bookings so this does not repeat. Please call me directly if you need anything. Dave Kessler.

Fiona McAllister

Third year in the Comfort Club. The waived diagnostic alone has paid for it twice.

Isaiah Combs

Newborn in the house and the AC died at 9pm in July. I told them about the baby and they had someone here in ninety minutes. I will never forget that.

Wendy Lockhart

Professional and genuinely pleasant. Explained everything without talking down to me, which I have absolutely experienced elsewhere as a woman dealing with contractors.

Ezra Blumberg

My heat pump was blowing cool air in winter and I was convinced it was broken. Tech explained the defrost cycle, showed me what it looks like, and charged me nothing for the visit. Told me to call back if it did anything different. It never did.

Tanya Brooks

Air handler had flooded the secondary pan. Caught it before any ceiling damage. Cleared the line and added a float switch.

Malcolm Reyes

Whole crew showed up at 8am, gone by 5pm, house spotless, cold air running. Ten year warranty on parts and labor both, which nobody else was matching.

Sarah Lindqvist

Honest pricing. What they quoted is what I paid.

Terrence Oduya

Got a written second opinion from them on another company's $9,400 replacement quote. Kessler said the system had years left and needed a $520 repair. That was fourteen months ago and it is still running fine.

Response from the owner

Appreciate you letting us take a look, Terrence. Second opinions are free for exactly this reason.

Julia Marchetti

Signed up after our first repair. The reminder texts mean I never have to think about it.

Nick Farrow

Good product and clear explanation of what would and would not help. They talked me out of a UV system I had been planning to buy, which cost them a sale. Four stars only because scheduling the follow-up took a couple of calls.

Odette Laurent

Flame sensor was filthy. Cleaned, tested, done in under an hour. Charged me the minimum.

Brandon Estes

Texted me the arrival window, then a live ETA, then the tech's name and photo. Every company should work like this.

Camille Boucher

We were dreading this and it turned out to be the easiest home project we have done. Clear quote, no surprises, financing sorted in about ten minutes.

Hector Villalobos

Sunday afternoon, 99 degrees, house full of family. They came. Same price as a weekday.

Greta Nilsson

Been using them for six years across two houses. Never once felt like I was being sold something I did not need. That is rare enough that I finally wrote a review about it.

Damon Ashcroft

They found the actual leak instead of just topping off the refrigerant and driving away like the last company did twice.

Louise Barrington

Replaced a 24 year old furnace before winter. They found our combustion air intake had been blocked off by a previous contractor, which they said was why the old unit had run so poorly for years. Fixed the venting properly as part of the job rather than treating it as an extra.

Sam Okonkwo

Honest conversation about efficiency ratings. They showed me the actual payback math for Charlotte and said the 96% unit would not pay for itself here. Sold me the cheaper one. Who does that?

Deborah Ionescu

Permit pulled, inspection passed first time, CO test before they left. Thorough people.

Arthur Pemberton

Dual fuel setup and it has been flawless through a full year now. They sized the backup heat for a real freeze, not a mild one.

Your AC quit. Cold air by tonight.

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