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    Services - Martinez Mechanical

    HVAC installation or replacement

    HVAC system repair

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    Cosmic Comfort

    Cosmic Comfort

    (42 reviews)

    I had a whole house fan installed by The Whole House Fan Company out of Fresno. After about seven…read moreyears the wireless wall switch went out. Called the company to do a repair and they were not really excited to come up from Fresno to replace the switch. At least that was the vibe I got from the woman who I spoke with. Right away I was not happy with their customer service. I checked Yelp and saw Cosmic Comfort installed whole house fans. I called and the woman who assisted me was upbeat and positive that they could fix my problem. I scheduled an appointment and Adam came out. Nice kid. Climbed in the attic and confirmed that the unit was good and needed a new switch. I decided to get a hard-wired switch and an appointment was scheduled. One thing I really liked was the communication through text messages. They also send you a photo of the technician that is responding to your house. I appreciated that and it makes good business sense. Issac and Freddie came out a few days later and completed the project. They were professional and the installation looked good. Isaac tested the switch and showed me how to use it. He had a tablet and processed my credit card through it. Easy peasy. Let's face it, electrical work is not cheap, but I felt it was a reasonable price especially considering my wife would stop reminding me that we needed to get it fixed before summer! I was happy with the whole process.

    *Updating to 3 stars for Business leadership accountability…read more Two stars for friendly techs and arriving as promised but Cosmic Comfort did not deliver despite several confirmations of what was promised. Asked for simple estimate of items in need of repair with cost broken down and received a lumped estimate with lack of explanation.

    Jim's A/C

    Jim's A/C

    (4 reviews)

    I have used Jim's service 3 times in the last 5 years. Once was simply a checkup since I bought a…read morenew house and wanted the ok. I was told then that the capacitor would probably need to be replaced in the next year or two but otherwise all looked ok. I bought and replaced the capacitor myself a few weeks later. $20 part and takes 2 minutes to replace. This year first my refrigerant went out. They came out the next day and refilled it and the bill for that was between $200-300. I'd have to pull out my checkbook to see exactly how much. I don't know the current cost for that service so I shrugged and went on about my life. That's the life of a homeowner. A month later, beginning of July, my motor started a loud squealing. A quick google search told me that when an a/c unit starts squealing it means one of two things - either the belts bad or the bearings in the motor were going bad, and that means the motor needs to be replaced. Since I don't have a belt it was the motor - common sense at work. So I called Jims again and they came out the next day. By then the ac wasn't working to cool the house anymore so I shut off the power to it. They showed up just before 5pm. I had to call around 4 to make sure they were coming at all since I never received a call confirming an appt that morning. They stayed for 5 mins and replaced the capacitor and said goodbye. I was unconvinced that the problem was solved. But since I didn't have a hvac degree I took their word for it. The house didn't cool down very well but I thought since it was over 90 degrees in the house maybe it was just taking a very long time. By the next night I realized the house was hot and went outside and what did I see? An ac unit running but no motor spinning. Yay. Not trusting Jims any longer I ordered the motor with overnight shipping (approximately $200 total) and replaced the motor myself. The whole replacement took 30 mins, two tools, and two zipties. I've since received the bill for the capacitor I DID NOT need and that bill was $200.41. They charged $60 just for the capacitor. Remember when I said I bought my own for $20? Yeah, not happy. Though this information has zero bearing on my experience I thought I'd include this little tidbit, I'm a 40 year old single mother. So I'm editing my review because now I'm even angrier. I paid my bill and a few weeks later got another piece of mail from Jim's a/c. In it was my check and the statement with an apology. It didn't solve my problem but it went a long way to soothe the irritation. Who doesn't appreciate someone apologizing even if they didn't personally mess up, right? Well now today I get a new statement with PAST DUE on it and a late fee. Saying I'm not happy would be a gross understatement

    The secretary is completely clueless. I called to try to see if they charged for estimates and she…read moretold me she had no idea. Didn't even offer to find out and then asked me if I wanted to schedule an appointment. Really?!? I just recently had an ac unit installed in my house and the crew that installed it was very pleasant but they really need to do something about the secretary. This isn't the first time she's been completely clueless, it's been that way with my previous calls as well.

    Martinez Mechanical - hvac - Updated May 2026

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