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    Just One Call

    3.7 (401 reviews)
    Open 7:00 am - 9:00 pm

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    New, super efficient "Nest" thermostat!
    Freddy D.

    Jonathan from "Just one call" just came out to inspect and tune up our A/C unit. Arrived at the designated time A friendly greeting and he went to work. The last folks here, last year, over filled the coolant above 500psi where it should be in the 300 range. Jonathan adjusted the pressure which avoided damaging the compressor. Pretty cool state of the art diagnostic tools pinpoint any problems, when discovered, Jonathan makes the fix. We now have a great new "Nest" thermostat that is amazing. In addition to his professionalism he also scored big, by saying hello to our 19.5 year old dog, she liked him, she can be pretty discerning Anyone that likes dogs is usually a good person! We will be sure to Recommend "Just One Call" to our friends and family

    Free Nest through LADWP!!
    Nigel P.

    Can't say enough positive about using this service. I contacted Just One Call through the LADWP AC Optimization program and have been extremely happy with the results. Greg showed up early and on time, he was very nice and calm, metered even (no pun intended). He worked efficiently and was committed to making my AC work properly which I greatly appreciated, because I like AC. The Nest provided through this program is super clean and easy to use, and I couldn't be happier!! Thanks Greg, thanks Just One Call!

    NANCY A.

    Woow! What can I say about the service that Just One Call provided to my folks._ First I want to say thank you to ASHOT for being punctual, fast and patient on answering my Dad's questions and checking out the entire system at the house. ASHOT came through the DWP program and was very helpful and had a great attitude. He even helped my Dad to download the NEST app on his phone and thought him how to used it. Thank you ASHOT for helping my parents. I am giving you a five start review for your excellence service.

    bogus claim that there was an electrical short
    Zoey W.

    This company should be called "Just Multiple Calls." Our furnace went out, and our insurance company AHS, sent them. 1st visit -technician was on his cell phone for 20 minutes dealing with a personal car insurance claim. After waiting for him to be done with his phone call, I asked him what the diagnosis was. He said everything was fine and left. (Even though I told him it was the inducer motor because it kept going on and off). 2 days later it went out again, so the insurance company sent JOC back. 2nd visit, it was a technician named Greg. The furnace is in the attic. When he arrived, he tried to say he could not get into the attic. (even though all technicians that came before him, including from his own company, had no issues. Just requires a ladder). After "forcing" him to go to the attic, he got on the phone and was facetiming someone at the company (not speaking english). I asked him what the diagnosis was and he wouldn't say. I explained that we'd been through this already, and I couldn't have him leave without a diagnosis to report to the insurance company. It was simple, the inducer motor and it needed to be replaced). He tried to leave without providing any info, an invoice or diagnosis. I had to chase him to his van. He was on the phone the whole time with someone at the company. Since was taking pictures of his van (as evidence he was there), he finally wrote the diagnosis and said he'd come back to fix it. They never called. After multiple follow ups, they made a bogus claim and said it was a problem with electrical. They knew this would trigger another appointment, but I had to go through the process with the insurance company. The electric company came, and said there was no issue with the electrical and nothing was tripped. They were confused as to why Just One Call made that claim. They also found the furnace was unplugged and a nail had been jammed into the inducer motor. Shady. Once the electric company reported their finding to the insurance company, it was cleared for Just One Call to come back and fix the furnace. Surprise surprise, after several calls, the job got transferred to Global HVAC because Just One Call denied it. (I'm glad they did because Global HVAC ended up being awesome, but Just One Call is shady). I think they make money on bogus visits through the insurance company. They just keep making appointment after appointment. I guess they get paid by visit. I'm not sure if JOC is paying marketing companies for these fake 4 star reviews, but they do not know how to fix furnaces. Global HVAC ended up replacing the inducer motor in under an hour, while these clowns at Just One Call made appointment after appointment. Don't call these guys at all they are frauds

    New indoor HVAC unit

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    10 years ago

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    5 years ago

    Garreck and Ed were great! They performed maintenance on our AC and it was efficient!

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    7 years ago

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    6 years ago

    Very professional and very fast! Armen helped us and was very friendly and showed us exactly what was wrong. You can definitely trust them.

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    Page 2 of 11

    Ask the Community - Just One Call

    Review Highlights - Just One Call

    I had a home warranty claim out for an issue with my AC but Ashot figured it out and fixed it in like 5 mins.

    Mentioned in 20 reviews

    Read more highlights

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    Emins Air Conditioning and Heating

    (429 reviews)

    When it comes to work done in the home, you don't just want anyone coming in. Emin is professional,…read moreupstanding, came highly referred, told you like it was and was even willing to work with you in pricing as best as he could. He came on his busy days when our AC suddenly stopped working just so that we wouldn't be without on a hot summer day. His team is just as great. Can't recommend enough!

    Emin saves the day again! I have a rental with a 20 year old…read moreHVAC. Found Emin on Yelp March 2026 when the upstairs AC suddenly stopped working, and Emin was there right away and was able to diagnose the problem, replaced a capacitor and got the unit working again. Then the downstairs AC wasn't cooling last weekend. Emin wasn't available so I called another contractor who took one look at the video of the furnace making weird noises and concluded the motor needed replacing, but that he couldn't find the motor anywhere, etc etc and it was such a hard push for me to replace the whole HVAC. After 24 hours of this hard sell on what was going to be the hottest day of the week, I took a chance and called Emin for a 2nd opinion. And miracle of miracles he looked at the video, found the part, and was at the property in 30 minutes. My final bill was a 10th of what the other contractor was selling me! Thanks so much Emin for being so honest and straightforward in a business that can be so full of scammers. You are a cut above!

    Manny's Heating & Air Conditioning

    Manny's Heating & Air Conditioning

    (837 reviews)

    Chinatown

    My HVAC wasn't completely dead -- it would run anywhere from 5 minutes to a few hours, shut itself…read moreoff, then restart again. It was a complicated intermittent issue. I contacted Manny's Heating & Air Conditioning, and they were very responsive. Jerry from Manny's Heating & Air Conditioning was very professional and knowledgeable who diagnosed the problem within about 15 minutes, explained the repair clearly, asked for permission before performing each step, and verified the temperature and operation afterward. One important detail: my HVAC is a rooftop packaged unit with indoor access only through a master bedroom walk in closet. There are no building stairs to the roof, so the technician must bring a ladder and climb about 11 feet indoors. This unusual setup made it difficult for me to find a company willing to handle the access, but Manny's was able to take care of it without any issues. It has been 10 days since the repair, and the air conditioner is running normally again. The repair came with a standard 90 day warranty, but honestly the quality of the work mattered more to me than the warranty. I recommend this company.

    This might be a long review but here goes. We were very pleased with the quality and…read moreprofessionalism of Manny and his crew back in 2025 We replaced our old 3 ton HVAC that came with the house, to a more modern 4 ton unit. His crew were clean, friendly, and the communication was spectacular. They kept us up to date throughout the days. Update I believe I had an issue with my system yesterday but Manny send a tech out promptly and addressed my issue. He stands by his work and warranty. Thanks to Manny and his crew my family is comfortable in this crazy heat wave.

    Just One Call - hvac - Updated September 2026

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