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    MDO Mechanical Air Conditioning & Refrigeration System

    4.2 (5 reviews)
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    Services - MDO Mechanical Air Conditioning & Refrigeration System

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    Recommended Reviews - MDO Mechanical Air Conditioning & Refrigeration System

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    5 years ago

    Great company and 5 star service. I highly recommend them. I have been using them for the last 10 years. Very satisfied

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    8 years ago

    We used MDO to install our Nest Thermostat and later to clean fix our A/C. They responded quickly and did the job well.

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    8 years ago

    He has always been responsive, timely and complete in his service to me. He is also a Nest specialist.

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    8 years ago

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    9 years ago

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    Ventilation Pros Corp

    Ventilation Pros Corp

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    After many ac companies gave menthe runaround with many reasons why our ac was breaking, i was…read morereferred to Gilbert and cant tell you how grateful I am, gave me the real deal, FAST service, ON TIME! 10yr warranty i mean couldn't have asked for more. Thanks again!

    Absolutely 100% do not recommend. The owner Gilbert says he goes above & beyond for customers yet…read moretalks unprofessionally, insults, & uses profanity. We reached out because our ac wasn't working & leaking. They only fixed the leaking & proceeded to say the job was done. $400 later within 2 days it was leaking again. He took it apon himself to come check it out but didn't tell anyone when he was coming knocked & took a picture of the front door. Which I was upstairs getting ready for work by the time I came down to answer he was gone. Mind you he hasn't came to look himself & when my aunt asked for a guarantee he said there was none and naturally she got upset, and he started saying things to her over the phone & hung up. He sent over the 2 guys which one looks like he knows what he's doing & the other I can guess was his son. They came for no less than 10 minutes said it was fixed & left. Now it's present day 3:50am the ac still hasn't gone down reading 78 degrees so I just sent a text over explaining. I did not know what I was in for. Gilbert was super unprofessional & complaining to me saying I'm annoying.. I'll just post the screenshots anyways, I do not recommend them call ANYONE else please! Now we're still stuck with a broken ac (: thank you so much GILBERT!!

    National Service Pros

    National Service Pros

    4.4
    (131 reviews)

    Updated Review After…read moreraising concerns, Carlos immediately stepped in and was both professional and understanding. His hands-on involvement made a real difference in getting the project completed. The technicians, including Reydiel, were courteous, skilled, and did a great job. The project has now been completed, and we're happy with the quality of the work. Based on this experience, I would recommend the team--with the note that improving scheduling and urgency would make the overall service even stronger.

    Used their service again, but this time for a plumbing issue. The technician that came did not…read morespeak English and had difficulty explaining to me what the concern was however, he did get across that I needed to replace the toilets. The home is less than 10 years old so replacing toilets seemed a bit excessive. I ended up researching the noise the toilet was making myself and realized that it was something that can be fixed pretty easily. I called the manager and spoke to him regarding the poor advice received in regards to replacing the toilets, and he said they would send a second technician to assess the situation. Instead, he sent me a message stating that the initial technician was right and did not send another technician to assess . I ended up going with a different company who came and replaced the valve ...which successfully lowered my water bill by 50%. Problem fixed - without having to replace the entire toilet. I was initially a fan of NSP, but this last visit was very disheartening. I think if they had sent a second technician to evaluate what I was concerned about, they would have seen that the first technician was indeed wrong. I will not be using them again.

    Strong Cool Air Condition

    Strong Cool Air Condition

    4.5
    (6 reviews)

    I think he deliberately quotes low to get selected and then increases the price when he visits…read more Also he needs to stop exaggerated claims that are at least borderline lies. It seems he does not try to understand well what the customer is asking: his answer to my "why"s were not good. Details: He quoted me $150 to fix a low refrigerant issue. on visiting, he told me $260 saying that the system has 0 feon. That made me suspicios. The pressure of the system when off was over 200 PSI as shown in the attached picture. Suspecting that he was lying, I weighed myself with his 410 gas tank before he started putting in the refrigerant: 68.9kg. After he was done, I again weighed myself with the gas tank: 67.7kg. So he only put in about 2lb (1.2kg) of refrigerant, certainly less than 3lb. Even after seeing my weight measurements, he told me he put in 4lb. I asked him how did he came up with the 4lb number: he said by looking at the pressure readings: I think he knew he was bullshitting. The system label says it holds 68.8oz 410a (4.3 lb). so it was only about half empty. A 25lb gas tank costs ~300 so. the cost of 2lb 410a is less than $30. so he should have asked for $180 ($150+$30). After complaining, he did reduce the price from $260 to $200, which I consider fair (other quotes were $100-$250). My main issue is his deliberate-seeming low quote and what seems to be deliberate lying.

    These guys were awesome! Very responsive and when installing a min split in my guest suite. I got…read moreseveral quotes and they came in away below the others as well. Gracias Strong Cool!

    MDO Mechanical Air Conditioning & Refrigeration System - hvac - Updated August 2026

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