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    Diamond Heating & Air Conditioning

    4.4 (14 reviews)
    Open 8:00 am - 5:00 pm

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    I am very disappointed. I had them install a complete system - that went fine. Now several years later it is not draining properly. Several times in a time period well over a month, they promised to come out, to flush lines and then to replace lines. The first time they forgot about me. I was reminded when water started to pour down from the ceiling unstoppable. I called they came out and put something down the line. This caused a mild explosion of filth in the guest bathroom where it drained. It is still all over the walls and may have to be repainted. Then it clogged again, and water started to pour down from the ceiling. They poured something down again with promise to come out immediately and change out the line. They never showed up on the appointment time - when I stayed here all day. Calling the office there was overflowing apology. I was scheduled again they never showed. Now there were heavy storms during this time and I was told the man couldn't get out, but I was never called. And today is Tuesday, September 24 the day that I talked to the owner's son about with guarantees flowing that he would come. No show, no call. I called and asked for the owner to call me, no call. I'm done.

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    9 months ago

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    2 years ago

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    2 years ago

    These guys have always exceeded my expectations. Customer service comes naturally to them. Highly recommend!!!

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    8 years ago

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    Review Highlights - Diamond Heating & Air Conditioning

    Paul showed up the next morning and fixed it and helped us install a new thermostat.

    Mentioned in 4 reviews

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    Air Woodlands A/C & Heating

    Air Woodlands A/C & Heating

    5.0
    (39 reviews)

    My A/C started blowing 82 degree air and I turned it off. This was on a Friday evening. Saturday…read moremorning I called and spoke to Angela who arraigned for a tech to come out. Parker evaluated the cause (slow leaking evaporator coil) but he wanted to be sure the rest of the system maintained integrity by performing a pressure leak test which he did a few days later. He charged the system back up, enough to get me to the pressure test. Confirming the problem, he passed me over to Hope who provided a solution and explained in detail what needed to be done, what it would cost, and how long it would take. This was on a Friday afternoon. She was able to coordinate the required new equipment, materials and schedule their construction team for the following Monday morning. Everything was in place that morning and needless to say, they knew what to do and how to do it. They jumped on it, and never stopped. No breaks, no lunch and were finished by 2:00 PM. This was a major project, having to demo and rebuild the supply plenum, remove and replace the coil section of the furnace, install a new drain pan and drains, etc. As fate would have it, my thermostat had failed and that caused a delay getting the system to start. Richard, another airWoodlands tech came out and discovered the problem quickly and provided me with a new thermostat. From Angela, to Parker, to Hope, to Cossa, and to Richard, I could not have asked for a better team from any one, anywhere. Customer service in general has failed in America, but this group is an exception. I will never have to search for an a/c contractor. Air Woodlands is the best. (A special call out to Parker. He was the key element in earning my trust and Air Woodlands)

    We had an AC coil fail and Air Woodlands came out and replaced same and sent the coil which was…read morestill under warranty to the OEM for credit. Service was quick and professional.

    Richmond's Air

    Richmond's Air

    4.8
    (866 reviews)

    This is an exceptional Air Conditioning company with an exceptional staff and service. Jason…read morecame to our home exactly on time to check our Echobee Thermostat and recalibrate it to set up the correct Temperatures and Humidity because it was sending messages of possible problems with our AC system. However, after checking our AC system and completing preventing maintenance for a really fair fee, Jason concluded that our AC system is in very good condition and it was more Thermostat wrong messaging than the AC system itself. My wife and I were extremely appreciated and happy Jason's professionalism as AC Technician and most of all for his/their honestly. I will definitely recommend this company to anyone, and I will hire them next time to check and do whatever maintenance in our AC system if needed. Thank you, Richmond's Air, for excellent service.

    I rarely write reviews, but this situation is a must. Richmond Air installed my new HVAC for my…read moregarage recently and had the best price for the product and skilled install which is critical for performance. As a matter of fact there was a misunderstanding in the quote as I thought it included new ducts, but it did not. But James replaced for free due to the misunderstanding on my part. He did not have to do that because it was my mistake in communication. Prior to that I had 2 other hvac systems installed by another company. So I called that company that did the install to repair one. Within hours of repairing one hvac, the other failed. So I had to wait over the weekend for them to return to fix the hvac and on Monday my schedule. Then I decided to use Richmond Air for the repair. I only would be at my house from 8:30 to 10am due to a departing flight. I called Richmond Air at 7:30 AM on Monday to see if they could send someone to my house within the hour. The owner, James showed up with a staff member. So the other company's staff accidentally let out my Freon. James called the company and explained the mistake for me and arranged for them to replace my Freon for free. That is honestly and great customer service. He could have replaced the Freon and charged me, which is expensive and let me figure out the situation with the other company. So that deserves my business and yours. Trustworthy, competence and great pricing. I hope this review helps you select Richmond Air. I am confident you will be happy with the work and you will feel that you have gotten great value for the service.

    KAC Express

    KAC Express

    4.8
    (68 reviews)

    We had three HVAC companies come out to give us bids for a new AC unit, and we ended up choosing…read moreKAC Express. I honestly couldn't be happier with our decision! Jack came out, looked everything over, and was here maybe 10 minutes. There was no sales pitch or pressure--just a straightforward quote for a Trane unit. We appreciated the honesty and simplicity. The very next day, the installation crew arrived and had everything completed in about six hours. Later that afternoon, while I was cooking dinner, Trung (the owner) called and said he was outside. He wanted to personally inspect the installation before the job was considered finished. He thoroughly checked the crew's work, and you just don't see that level of customer service anymore. To top it off, KAC Express was less expensive than the other two companies that gave us estimates. Great price, quality equipment, fast installation, and outstanding customer service. If I could give KAC Express 10 stars, I absolutely would! Highly recommend them.

    My air conditioning went out in the middle of the night, and I was able to reach Trung at 5:00 AM…read more To my surprise, he answered right away, gave me a timeframe for arrival, and showed up exactly when he said he would. Once on site, he quickly diagnosed the issue, took the time to explain what was wrong, and showed me exactly what needed to be fixed. What I appreciated most was his honesty and transparency. He didn't try to upsell me or take advantage of the situation, and the repair was completed quickly at a fair price. It's not often you find someone who is responsive, punctual, knowledgeable, and trustworthy. If you're looking for an HVAC company that genuinely cares about its customers, I highly recommend KAC Express and Trung.

    Diamond Heating & Air Conditioning - hvac - Updated August 2026

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