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    C S Mechanical

    4.7 (197 reviews)
    Closed 7:00 am - 3:30 pm

    Get pricing & availability

    Response time

    1 hour

    Response rate

    100%

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    Services - C S Mechanical

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

    C S Mechanical Photos

    Recommended Reviews - C S Mechanical

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    Reviews With Photos

    Clean Installation
    Michael N.

    Extremely Extemely Delayed Review of Bryan Date @ CS Mechanical. A few years ago, our family wanted to escape the Hot Humid Hawaiian Summers and decided to finally install a Split AC System. I had done research and had a few companies come out to give us an estimate. We installed a total of 4 Mitsubish Splits Upstairs and 1 Mitsubishi Split downstairs. I had done research, spoke with friends and ultimately decided on the Mitsubishi System which are amazingly quiet, efficient and reliable. Bryan was the estimator for us and he is extremely patient, customer service oriented, knowledgeable, and accommodating with installation requests. I didn't want to have any of the piping on the exterior of the house for a cleaner installation and he said he was able to run the cooling lines in the attic space and drop them down to each unit. It is this kind of attention to detail that I look for when working with a contractor. Fast-forward to the day of installation, Bryan was onsite to oversee the installation and made sure that our requests were fulfilled. It was a team of 6 installers that were all friendly, professional, and respectful to clean up as they worked. The pictures speak for themselves and when I am ready to have Split AC installed on another home I'll be reaching out to Bryan @ CS Mechanical. Mahalo Bryan and CS Mechanical Team.

    12,000 BTU bedroom unit
    Michelle C.

    I usually don't write about companies other than restaurants, but decided to write this review because of the great service. After talking to a few people I knew that did AC, I decided to search on yelp and found cs mechanical. I made an inquiry through yelp and Reid got back to me within hours. I did my homework and did get other quotes and asked a lot of questions. Reid was very patient and answered all of my questions. After my husband and I decided to go with cs mechanical, I let Reid know we were ready and asked if we could still get the prices he quoted us a little over a month. Luckily, he said yes and we were able to get our AC units installed in a couple of weeks after that. On the day of the installation of our living room unit and master bedroom unit, Reid came and introduced himself and introduced his workers which I thought was very professional. The workers were very polite and got the job done quick. Now we don't have do suffer the summer heat! I would recommend and have been recommending everyone to use C S mechanical because of their great service, price and work. Thank you Reid!

    Mitsubishi indoor unit.
    Breanna D.

    Overview: Compared to other local AC companies, CS Mechanical offered the lowest install prices. They have a knowledgeable crew that works quickly and carefully to install the units both indoor and outdoor. The owner/manager Reid clearly puts customer service as his highest priority and was very communicative to ensure we were completely satisfied with the product and final results. Why we hired: We needed to replace two outdated split AC units and add three additional units in a two-story 4 bedroom house. We received quotes from 2 other companies at the same time and CS Mechanical gave us the lowest quote for the Mitsubishi product with the lowest labor costs. Payment: Total cost for 5 indoor units (varying in power/size) plus 3 outdoor units (two were dual systems) and labor was about 15K. This included removal and disposal of old systems, the new systems, the outdoor tubes, remotes and manual, and full install and testing. Card or check accepted. Service: Quality customer service that went above and beyond expectations. We provide feedback on how the outdoor tubes were routed and they worked overtime to ensure it was just the way we wanted. Great communication, respectful of property and space. Quick and effective service. Products: We have had the Mitsubishi units installed for about 3 weeks now and they are amazingly powerful and extremely quiet!!! Compared to our old units these are energy efficient and offer lots of different settings for fan power, angles of vents, and temperature. The outdoor units are also very quiet. There is a small fee to add screens to protect against damage from small creatures (lizards) going inside. Other: Keep in mind that these units each have a tube that runs along exterior of home from indoor install location to the outside unit. There is also a second tube required for draining the inside units. You will need to either paint the tubes to match your home or provide paint to the company to have them paint the tubes to blend in with the house. This will likely be an added fee. The company provide us exactly what we wanted and we would definitely hire them again if needed. We recommend them to others.

    Before cleaning
    Lore'al P.

    About 4 years ago we had our split ac installed by CS Mechanical and had a wonderful experience with Reid and crew. Fast forward to 2022, it was due for a cleaning. My husband and I saw commercials for ac cleaning and read reviews so it kind of scared us on just how much out ac cleaning would cost. I reached out to Reid and asked if they did cleaning and if not, if he could refer me to someone. Thankfully THEY DO SPLIT AC CLEANING! I sent him a picture of my ac and the model info. He responded with a rough estimate and had me set up and appointment with Byran. Following weekend Bryan came and did an awesome job with the cleaning. It was approx a 2 hr cleaning and he gave me great pointers regarding cooking and running the ac at the same time. He said to just be cautious because the cleaning cost can increase or the oil from when I am cooking can build up so bad that the ac can't be cleaned and the coils will need to be replace or the unit itself can break. We are VERY happy with our experience with CS Mechanical. I would personally recommend them.

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    2 years ago

    Excellent and timely service. Professional AC techs finished the job efficiently, no problems. Can't beat the price.

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    2 years ago

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    3 years ago

    My Fujitsu split AC is working well and CS Mechanical did a great job. They stopped by when I requested cleaning. Glad I went with them.

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    7 years ago

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    5 years ago

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    C S Mechanical Reviews in Other Languages

    Ask the Community - C S Mechanical

    Do you service window units?

    Im so sorry at this time we will have to pass because we are helping the public school's install their air conditioning but thank you so much for the invite

    Has anyone used them for ac cleaning service and if so, are they reasonably priced?

    Check out their reviews on cleaning. I believe it answers your questions for cleaning. But yes they are good and responsibly priced. 👍

    Do you clean and refill?

    Yes we do. If you need to contact us. Here is our office number. You can text us also. We can contact you asap 808.391.4580

    Don’t See Your Question? Ask Away!

    Review Highlights - C S Mechanical

    Bryan is our go-to guy and he's both professional and personable with a vast amount of knowledge and know how.

    Mentioned in 35 reviews

    Read more highlights

    AirEsthetic

    AirEsthetic

    5.0
    (16 reviews)

    Requested home A/C diagnosis, repair, and service for mini-split wall A/C units from Mitsubishi…read more Spencer reached out through the app and left his contact info. I called and he picked up right away. Was able to schedule me within the week. I received confirmation texts from Spencer and arrived right on time with his son (family business). They diagnosed the issue (had to use nitrogen to search for leaks since completely out of refrigerant due to a leaking valve stem). They replaced the stem and recharged my refrigerant. They assessed the units to ensure that everything was working properly. Charged $792.67 to my card. They were completed with everything in just over an hour. I highly recommend Spencer with AirEsthetic! Very professional and was upfront about everything he was doing and how much it would cost. Thanks again Spencer!

    We purchased a home in Hawaii Kai that needed some split AC replacements in all 4 of our bedrooms…read moreand 1 in the master bath really bad. Also needed someone too look at our central AC. Looked on Yelp and decided to call AirEsthetic. We spoke with Spencer and he came over to our home right away and was so knowledgeable and really listened and understood our concerns. Some of the split ACs were so bad since purchasing our house I didn't even want to turn them on as the smell was horrible. One had so much Gecko poop yuck lol. They were installed around 2012 and really needed to be replaced. AirEsthitics gave a reasonable quote and we decided to go with them due to the amazing customer service and knowledge. All the workers are so kind and respectful. They rerouted our 3 zone as all the old lines were going under a sliding door which we couldn't figure out why the doors couldn't close! But once they looked at it we understood why lol. The rerouting was professionally done was so impressed! All the work they did was professionally done and beautiful. Spencer found the unit we needed for our 5 ton central air which was so difficult to find but he found one on the island and contacted us right away. We were so happy! Once installed we could feel the difference and hear the difference lol ( the old unit was outside my son's room and the fan was soooo loud). Our experience with Spencer and his crew was amazing! So happy that we met all of them and honestly their work is superior! Best decision ever! Thank you AirEsthetic!!

    C S Mechanical - hvac - Updated July 2026

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