1. Douglas Mechanical Services

    1. Douglas Mechanical Services

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    Seal Beach, CA

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    Douglas Mechanical Services

    3.1 (9 reviews)
    Closed 7:00 am - 5:00 pm
    Updated over 3 months ago

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    Absolute Airflow Air Conditioning, Heating and Plumbing - Westminster's #1 HVAC company!

    Absolute Airflow Air Conditioning, Heating and Plumbing

    (1.1k reviews)

    Juan Castillo did an amazing job coming to find the issue with my ac. He was able to find a…read moresolution and he even went out of his way to fix a leak I had in my sink. Juan went above and beyond his normal scope! Absolute Airflow made sure to send someone today especially with the heat wave! Thank you again Juan you were awesome!

    Our Absolute Airflow tech, Alan Huerta who came out today for our summer maintenance tune up, was…read moreawesome! Just a super nice guy and great technician. I learned SO many things today about a/c units from him that I never knew!! He explained about the capacitor--been hearing that word for years but never knew it meant something sort of like a battery in the condenser unit (that big metal cube thing that sits in your backyard that powers all of the life-sustaining cold air in the house that keeps you from certain death during a heatwave...LOL!l), flushing the drain lines etc. Also learned how to do simple things like opening the drawer for the filter--DUH! I'm so lame, I'd been trying to open the big flat panel to put in a new filter for some time but gave up --then the other day I realized the drawer on the bottom was the thing with the filter, but because I'm arthritic, I didn't think I could pull it out. Alan made it real simple for me and showed me there's a latch on it that you squeeze and voila!--it just opens! For a year, I haven't been able to master that one simple trick--LOL!! Thank you so much!! Also found out I have more of my yearly membership left than I thought--great! I appreciate all of your help and service, Alan. Thanks again for everything! :D

    AAA Calvert Electrical, Heating & Air Conditioning

    AAA Calvert Electrical, Heating & Air Conditioning

    (196 reviews)

    This past December, my 73 year old floor furnace would not…read moreignite and warm the house. I called AAA Calvert to come out and check the furnace and thermostat. The representative on the phone was very polite and friendly. She set up an appointment for me very quickly. On appointment day, Scott arrived quite promptly. Scott was very polite, friendly and professional. He thoroughly inspected the furnace and thermostat and diagnosed the problem very quickly. Fortunately, I did not need to replace the furnace. Within a few days, Scott returned and replaced the necessary parts and installed a new thermostat. I waited a couple of months to see how well the furnace operated during these winter months. Now, I am pleased to announce that everything works perfectly. Scott, and AAA Calvert, receive superior marks. The cost of the repairs were quite reasonable for the amount of time and labor the project required. This was SUPERIOR service!!! Thank you, Scott!!!

    I gave AAA Calvert five stars last year, but have to revisit after my most recent experience. First…read moreAdam came out and determined that our fan had broken, possibly damaging the motor, and that he also needed to check the coolant level. He ordered the new fan and motor on the phone while I was with him, so I expected we'd soon be cooled down. I don't want to get too far in the weeds, but ultimately it took four visits and nine days for techs to come out and replace the fan and the motor. They did take $500 off the price, and they were very nice about everything, but unfortunately they forgot to check the coolant level, so the AC was only marginally cooler than the outdoor air. Rather than complaining again, I just called my brother-in-law (who is also in the HVAC business). He found that it was light 4 lbs. of coolant, which he replaced, and now the system is running properly again. But it took almost two weeks during the hottest stretch of the year. I think AAA Calvert is a good business, and I hope this is a learning experience for them.

    Thomson Air Conditioning - Enjoying another beautiful day working on a/c installation!

    Thomson Air Conditioning

    (644 reviews)

    I was having a heater issue. My heater would come on when it wanted to. But of course it wouldn't…read morework during the cold nights. Thanks to yelp, I found Thomson Hvac The tech and I thought it should be a simple fix. He inspected my entire system, diagnosed the problem, and quoted the job. We moved forward with the fix, and it worked fine, and then it didn't. After a few more visits, and some more parts and tinkering, it finally started working properly. Although it was a strange and difficult situation, they stuck to it until the problem was resolved. The techs Danny and Mark went above and beyond to make sure everything was good. Another thing to add, the way the company communicated back and forth with me was great. They answered every call and every text. Most of the time I spoke with Stacey and she was great. If you're looking for an honest and professional company, this is it.

    My mother recently engaged a service provider for routine maintenance on her air conditioning unit,…read morewhich included the installation of a new Honeywell thermostat. Subsequent to this service, she has reported that the air conditioning is not effectively cooling the premises, with only the fan operating. I advised her to adjust the thermostat to a lower setting. Given her advanced age of 90, her discomfort with the warm air became increasingly pronounced. Today, in collaboration with my brother-in-law, we investigated the issue. We observed that while the unit appeared to be functioning, it was not producing cool air, despite the outdoor fan operating correctly. During our investigation, we contacted the service provider, Thomson. A representative stated that only the thermostat had been replaced and that a service technician could be dispatched for a fee of $159, suggesting a potential wiring issue. Upon reviewing the Honeywell thermostat instructions and wiring diagram, we identified that the thermostat had been incorrectly wired to the "W" terminal. After rectifying this wiring error, the air conditioning unit resumed normal operation, producing cool air. I subsequently contacted Thomson for clarification regarding the initial service. Their response repeatedly referenced a previous replacement 14 months prior. While their online reviews are predominantly five-star, our experience suggests a lack of professionalism. This incident raises concerns about the necessity of recommended services and the quality of workmanship, potentially indicating errors or intentional oversights during the initial installation.

    Shawn Lambert HVAC - 2 new X-series H/P conversion

    Shawn Lambert HVAC

    (435 reviews)

    TLDR: Suspicious about a quote I had received from Big Wave for $3,123 in repairs to my blower I…read morereached out to Shawn Lambert HVAC for a second opinion. I had troubleshot past the capacitor (good), and Big Wave recommended replacement of circuit card, fan, motor, and igniter. Why would all of those items break simultaneously, and parts would take 3 weeks to arrive. I called Shawn Labert and they weren't able to schedule me until the following week. Shawn called me back immediately and remarked that since I had already taken the trouble to check the capacitor, replacement of the control card should be well within my ability. He even suggested ordering one from Amazon which I had assumed was only available from an HVAC supplier. Finally, he even offered to be available to answer any technical questions I had. His encouragement was all I needed! I found a replacement card on Amazon sold by Rheem for $151. It arrived the following afternoon. That night I installed it within 30 minutes, and my blower roared to life! I literally saved $3,000 and 3 weeks of living in a hot house. In the future, I'll call Shawn Lambert if I need HVAC support.

    I sent a request through yelp and got a call back immediately. He helped to diagnose the issue over…read morethe phone and fix my ac not cooling problems free of charge. I had a carrier system which is very rare to find a technician for in HB area. Great service! would contact Shawn Lambert HVAC again for future issues

    Southwest HVAC - Working the Pasadena trade show this weekend

    Southwest HVAC

    (651 reviews)

    Our A/C stopped working during this horrible heat wave, and after calling 11 different HVAC…read morecompanies, this was the only company that was able to get me scheduled the soonest. They originally booked me for Saturday but told me they would call if an earlier appointment became available. To my surprise, they contacted me the very next day because of a cancellation. Our technician, Fabian, was outstanding. He was extremely knowledgeable, professional, and thorough. He took the time to explain what was causing the issue and also educated us on the importance of routine A/C maintenance to help prevent future problems. I really appreciated that he answered all of our questions without making us feel rushed. The entire experience, from scheduling to the repair, was excellent. It's hard to find a company that's responsive, honest, and reliable, but this one exceeded our expectations. We will definitely continue using them for all of our future heating and air conditioning needs. Highly recommend!

    Don't think twice; just hire Southwest!…read more Our AC was leaking water in our attic and several vendors came out to diagnose. All of the basic fixes failed, and they all said we needed a full replacement. We gave Southwest a call for one last opinion based on a friend's recommendation, and Erick saved us. He spent 2+ hours in our sweltering attic troubleshooting every possible issue, until he found a quirk in our condensate drainage that no one else figured out. Once he accounted for that, it was quick work to purge our line and clear a clog that was responsible for the overflow in our attic. He knew we were resigned to replace the AC and easily could have told us the same. But he worked extra hard on our behalf, provided an affordable fix, and stayed longer to clean up the shoddy work from the past vendors. Admittedly it took a little longer to get Southwest out to our home, but I now know it's because they're going to take their time and really solve your problem. Not just rush through the call and upsell you on work you don't need. Heroes.

    Douglas Mechanical Services - hvac - Updated September 2026

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