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    Same Day Air Conditioning and Heating

    4.5 (107 reviews)
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    7 hours

    Response rate

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    Services - Same Day Air Conditioning and Heating

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

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    Sexy B.

    These people left a big hole in my flooring and caused my home to be infested with mice. Thanks a lot terrible service. Don't use them if you don't want any damage to your personal property YOUR HOME

    Old Furnace
    Johnny D.

    Update: Same day air installed my NEW AC/Heat system on 8.15.22. Install guys and the owner Derrick were great! until today. Same day air after install, had to come back to my home 3-5x as the heater would cut off after 40 min of heating. Issue was never fixed. Derrick recommended getting a new thermostat as Nest thermostats have issues. So we move into the summer(no need for heat, so no complaints). However, the money I was told that I would save with pg&e on a new efficient system was a lie. My 1 year old system still has the heating issue, and now the a/c is not cooling properly. I called owner Derrick and he stated that I needed to call my home warranty and pay for another company to fix my system, or he could send someone out for $79 next week. He stated that Same Day Air was obligated to come service my NEW system for only 30 days after installation. Also, each time, same day air came out after installation, my home warranty company was never notified by Same day air, so this information is all new to them. So on today, I paid $125 for my home warranty company to come fix an issue never resolved from day one of installation.

    New correct floor vent covers ordered by  Same-Day.
    Jake S.

    Thank You brother Eki and Lisi of Same-Day!! We bought our home in August 2022 here in Discovery Bay. Four months after moving in, we still wanted to do an inspection on a few things which included AC/Heat. I contacted Same Day Air Conditioning and Heating based on positive reviews I saw on Yelp. The day of the appointment, they arrived within the slotted work window. Throughout the entire process, from the inspection to the vent cleaning, Eki thoroughly explained the conditions they found. He told me there were no filters in the main vent nor the duct connected to the heater. He also said that because most of my vents are on the floor, some of the covers initially installed by the previous homeowner were the wrong type. The ones we had were meant for vents on walls or ceilings. The ones needed on the floor were stronger and did not bend from accidentally hitting them. The entire project took about 3-4 hours and they installed filters as well as ordered new floor vent covers. This review should be an indication for anyone seeking this type of service to definitely consider hiring Same-Day AC and Heating. They are professional, concise, hardworking with grade A customer service. Thank you Same-Day, keep being the best at what you do. -BoltzUp

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    3 years ago

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    17 days ago

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    3 months ago

    Excellent services in the past few years ago. Recently called and left a messages several times, but never responded.

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    2 years ago

    They always do a great job when they give my AC unit a tune up prior to summer. Great customer service and honest prices.

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    Page 1 of 3

    Ask the Community - Same Day Air Conditioning and Heating

    Review Highlights - Same Day Air Conditioning and Heating

    Angel arrived within the stated time frame and was very courteous and receptive to my explanation of the issue.

    Mentioned in 17 reviews

    Read more highlights

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    Marasigan Heating And  Air

    Marasigan Heating And Air

    5.0
    (93 reviews)

    Bro just call Marasigan if you need ANY HVAC work. Don't go anywhere else. In season 12, episode 13…read moreof King of the Hill, Hank Hill talked about the importance of having a reliable professional on tap for projects. Well, Simon and Marasigan is my HVAC guy. Best service you'll get in Solano (and a little bit of Contra Costa) Simon owns the company, no middle man, and he has more than 17 years of experience working in HVAC. When I requested service for my AC, he would've literally been able to come check it out within half an hour! I wasn't able to do that cuz I was working, but he was able to work with my schedule. The flexibility is always great. When he came by, he was immediately able to diagnose the problem, told me exactly what I need, how much it was, and even taught me how to maintain it and diagnose issues on my own as well. No frills, no upselling, saved me money wherever he could, and most importantly, the job was future proofed as well. I got a great price for the work that needed to be done, and it was also done quickly. He even came early! What makes him stand out above the other HVAC services is that he even taught me how to increase the longevity of my unit. I knew that he really cared about the quality of his work, and making sure his clients are taken cared of. So yeah, just go to him!

    Symond and his family crew did a great job replacing my Air Conditioner unit. Professional,…read morepersonable, and very reliable. Symond obviously knows HVAC - very knowledgeable. They did a great job. Highly recommended!

    A 1 Guaranteed Heating & Air

    A 1 Guaranteed Heating & Air

    4.7
    (452 reviews)

    These folks did a fantastic job installing a Bryant Heat Pump. They installed last September, 2025…read more The unit works great for heating and cooling now having used it for almost a year, we couldn't be happier. The office crew was great. The installers did a better job than expected, they were excellent to work with and dog friendly too. BTW, they removed the old furnace and also installed new ductwork, all good. Thank you very much. Pete

    After 25 years, my Concord home needed a full HVAC replacement. I did my homework -- four quotes,…read moreverified equipment certifications, asked hard questions about duct sealing, zoning, and equipment sizing before deciding. A-1 answered every question confidently, corrected a spec error in their own quote when I caught it, and put everything in writing before I signed. Install day: Austin, Joey, and Edgar showed up on time. Floors covered, shoes covered, house treated well. Two days -- day one removal and new equipment, day two ductwork and zoning. Heating and cooling tested before they left. Full documentation handed over on the spot. No hidden charges, no surprises, no change orders. Price was mid-range among four quotes, but the warranty structure -- lifetime workmanship, no-lemon guarantee, payment at completion -- made it the best overall package. Still have HERS test-out and city inspection scheduled, but based on every step of this process I'd recommend A-1 without hesitation. Austin, Joey, and Edgar did a great job.

    Same Day Air Conditioning and Heating - hvac - Updated June 2026

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