1. ACS Air Conditioning Systems

    1. ACS Air Conditioning Systems

    0

    Concord, CA

    ACS Air Conditioning Systems

    4.8 (84 reviews)
    Closed 8:00 am - 4:30 pm
    Updated a few days ago

    Get pricing & availability

    Response time

    30 minutes

    Response rate

    100%

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    AC Unit Being Repaired
    Breyden L.

    I hired ACS to fix our broken air conditioner. They were friendly and professional, and they were able to schedule a technician to come out within two days. He arrived on time and quickly diagnosed and fixed the problem. The problem was a faulty part that was still under warranty from Carrier, the equipment manufacturer. ACS had the necessary replacement part already in their truck. They installed the part and only charged me for labor. They handle getting paid for the warrantied part by Carrier. I felt the price ACS charged was very fair. I greatly appreciated ACS's service and would be glad to hire them again.

    My two air conditioning units that were worked on.

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    13 years ago

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    10 years ago

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    8 years ago

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    Review Highlights - ACS Air Conditioning Systems

    I was transferred to Justin and immediately scheduled an appointment to come take a look the following week.

    Mentioned in 15 reviews

    Read more highlights

    Perfect Star Heating, Cooling, & Electrical - We are proud to be a locally owned and operated family business that services all makes and models in Alameda & Contra Costa County!

    Perfect Star Heating, Cooling, & Electrical

    (593 reviews)

    We had our AC stop cooling in the middle of a hot day, and with two young kids and a dog at home,…read morewe were pretty stressed. Keon Garcia came out and did an outstanding job. What I appreciated most was that he didn't just start replacing parts. He thoroughly diagnosed the system, explained what he was testing, and walked me through the results. He showed me that the capacitor was testing low, the contactor was worn and pitted, and even performed a megger test on the compressor to verify it was still healthy. After the repairs, he confirmed everything was working properly by showing me the compressor amperage had dropped back to normal and that the system had an 18-degree temperature split. Keon was patient with all of my questions and never made me feel rushed. He explained the pros and cons of the recommended repairs, including the hard-start kit, so I could make an informed decision instead of feeling pressured. I really appreciated his transparency and professionalism. By the time he was done, our AC was cooling properly again, and he even worked with us on the final price. If you're looking for an HVAC technician who is knowledgeable, honest, thorough, and takes the time to educate his customers, I highly recommend Keon Garcia. Thanks again for getting our family cool again!

    Alternated telling me he wasn't a sales man and didn't want to pressure me, and pressuring me to…read moresign that day. Forced some sales video on me and acted shocked and hurt that I didn't find it valuable. Called when I didn't respond to the bid and when I told him I went elsewhere because he was pressuring, said "I thought we had a connection"

    Smart Heating and Air Conditioning - Smart Heating & Air Conditioning

    Smart Heating and Air Conditioning

    (227 reviews)

    This is a trustworthy company that I'd use again and again. I was quoted by another company that…read morewas sent out by the home warranty company. The other company claimed that there was a rodent infestation and damage the connector cable. The repair for that was $950 and because it was caused by the pest and Therefore not covered by the insurance. I was almost ready to pay for the repair. Then, I thought I should have a second opinion by a more reputable company. I searched on Yelp. Smart Ac has the best ratings and charges only $50 for a site visit. I am glad that I found them. It turned out I was being scammed by the first company and there no Rodney damage at all. Just a tripped cable that was disconnected. I'm vey happy with the service and integrity of this company.

    So yet again, Smart Heating and Air Conditioning came through and took great care of us again as…read morealways, this time even on a holiday... the owner, Mike, himself, even. Mike's just about the nicest, good-hearted, above-board, honest, high-integrity person you could ever hope to interact with and do business with! He and his company has always done high-quality, honest work and taken such great care of us. I could not be more grateful and thankful! They also offer a fantastic warranty and stand behind their work, and today was testament to that. It was a small issue to fix, but without it, the system would have been down on a pretty hot day with no breeze forecast tonight. Thank you so much Mike, it genuinely feels great to help support great businesses like yours!

    ACS Air Conditioning Systems - hvac - Updated September 2026

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