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    NES Mechanical Systems

    4.2 (5 reviews)
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    Sean Patrick HVAC

    Sean Patrick HVAC

    4.7
    (38 reviews)

    I again had a fantastic experience with Sean and his team. I could talk all day about his great…read moreexpertise, work ethic, value, honesty, and how his team took enough care to leave my house spotless even in the middle of full AC system replacement. But the most important thing I can say is that he is just a good man. He will deliver what he promises at a fair price, and won't stop until the job is done. That's all you can ask for from any business.

    Since my previous review, one last item which the new thermostat has been installed. We were happy…read moreand thankful for the good will of Sean. However we still disappointed with the AC condenser unit that was replaced with the lower efficiency machine that was cheaper and low quality. Well, promise made is not promise kept. It will made my experience whole if the unit was replaced with what it promised. Updates: After I post this review the owner : Sean, was calling me and my wife multiple times, almost every hour. Asking me to take down this bad review. First he asked me politely then he starts threatening me and my wife by explaining what do we do for living and he will start calling my friends, family and workplace where we work. Not sure what he wants to do by stalking our information and being intrusive to our life. He insists to come back to my house which I refuse to give him permission. He threatens my wife by telling her that he used to be a bad guy, and I don't understand why he starts getting violent and seek revenge against my family. So I decided to file restraining order with Los Angeles County Court to protect my family against his violent nature and behavior, per our lawyers advise.

    IcyHot Heating & Air Conditioning

    IcyHot Heating & Air Conditioning

    4.6
    (218 reviews)

    During an unbearable heat wave, came out to my house at 9:33 pm on a Friday night after 12 other…read morehouse calls, quickly diagnosed the problem with my AC and replaced the capacitor. Done in under 12 minutes and very reasonable rate! 1000% recommend IcyHot!!! 30 minutes later my house went from 86 degrees to 74 degrees! Thank you IcyHot!!!

    I hired Icy Hot to install LG minisplit HVAC systems at 3 rental properties working with Jerren who…read morehas always been very responsive. Jerren is no longer with the company and my experiences for service calls / warranty repairs working Jason has been very disappointing. One of the mini splits stopped working and the replacement parts needed from LG took a very long time arrive. It was close to 2 months without air conditioning in the middle of the summer. I understand this was out of Icy Hot's control, however, it was very difficult to get updates from Jason on the status of the parts (even if there no update to provide). It was clear he doesn't care about supporting his existing customers. I had to call the parts supplier to put pressure on them to get the parts needed. It was eventually fixed and I moved on. The same issue happened again about a year later as diagnosed by Jason but this time he just simply ghosted me. Calls, voicemails and texts to his office number and cell went unanswered. It's been almost a month since he went out for the service call with 0 update. I had to hire another company to diagnose the issue and had to pay for the parts that were under warranty just to get this issue resolved so I'm not without heating and cooling for another month. If you go with Icy Hot don't expect to get any support after your payment clears and any warranty offered will be so difficult to use that it will be practically useless. Be weary of any older reviews mentioning Jerren as things have clearly changed from when Jason took over. He simply just doesn't care about his customers and does not stand by the products he installs.

    Diamond Air Services

    Diamond Air Services

    5.0
    (67 reviews)

    We're sitting inside cool and comfortable on a hot June day, thanks to the incredible team at…read moreDiamond who replaced our old broken 5-ton AC with a smaller, more energy efficient modern Mitsubishi heat pump system. A huge thanks to Anthony and Tiffany for coordinating all the logistics, Anthony in particular was so helpful from start to finish, always available, responded immediately to any question, and just made the whole process incredibly easy. An especially big thanks to our installer Bobby and his crew who did such an exceptional job carefully removing the old system and doing a beautiful install of the new one. They also completely reworked the AC closet, moving the system forward and sealing everything off cleanly, what was once a poorly converted linen closet now has potential for usable space behind it. Whereas the old system sounded like a jet engine taking off, the new Mitsubishi is astonishingly quiet, the condenser is outside our bedroom and you hear literally nothing. It works flawlessly and has been keeping the house perfectly cool through what's shaping up to be a hot summer. This was not an easy install either. The house, like many older homes, is full of quirks and Diamond did an amazing job working around all the pitfalls that come with squeezing a central HVAC system into a house not originally designed for one. Everyone at Diamond was a total pleasure to work with and have in our home. Their pricing was fair and reasonable and the quality of their workmanship is just excellent. If you need any kind of HVAC work done I highly recommend reaching out to Anthony and the Diamond team. Thanks so much guys!

    Definitely a 5-star experience! From the very beginning, Anthony made the entire process smooth and…read morestress-free. Throughout the project, everyone was professional, courteous, and hardworking--from the installation team of Christian, Jose, and Albert to Ethan and Edwin, who completed the final duct cleaning and diffuser installation. They always arrived on time, kept the work area clean, and treated our home with respect. The quality of their workmanship was excellent, and they made sure everything was completed to our satisfaction. I highly recommend this team to anyone looking for outstanding service!

    NES Mechanical Systems - hvac - Updated August 2026

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