1. C S Mechanical

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C S Mechanical

4.7 (200 reviews)
Closed • 7:00 am - 3:30 pm

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50 minutes

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100%

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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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10 years ago

These guys are awesome. Installation of my Mitsubishi Split Air system was beautiful. Don't waste your time with the other guys.

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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

“About 4 years ago we had our split ac installed by CS Mechanical and had a wonderful experience with Reid and crew.”

Mentioned in 112 reviews

Read more highlights

Kung Fu Air Service

Kung Fu Air Service

(88 reviews)

Waikiki

Update on my previous 1 star review:…read more Wow, within 30 minutes of posting my poor review, I received a phone call by the owner, Chris. He genuinely expressed how important customer satisfaction is to him and apologized that the quality of work performed on my a/c installation was not to the standards he strives for. He handled my complaint by listening intently to me and expressed that he wanted to earn back my business, restore my confidence, and start new. I accepted his offer of installing a new warranty replacement a/c unit at no cost and he would supervise the install personally. An appointment was immediately scheduled and in a matter of a couple of weeks (due to a/c not being in stock) Chris personally came to my home with his crew to deliver and install the new warranty a/c. I was impressed with his professionalism and genuine desire to win back my business and confidence. It was way beyond what I had expected! Now that is truly an act of customer satisfaction! For his honest concern and service, I am updating my review for Kung Fu Air to a 5 star!!

As of 10/7: Chris has reached out to resolve our issues. The…read morewarranty parts have arrived & service has been scheduled. An updated review will be posted when the warranty service is completed. 10/6/26: Our initial experience with Chris at Kung Fu Air Service was about 2 years ago and was very good. Jump to August 2026 and response, service and accountability has been a nightmare. It took 2 weeks to get an appointment for a warranty service request and then when the technician showed up 45 minutes late, he said he couldn't do a diagnosis since he didn't have equipment in his van and would have to schedule another diagnosis appointment and then tried to charge us the $150 service call when he did absolutely nothing! After calling multiple times to get a live person on the phone, we were able to speak with Chris who sent the technician back an hour later only to find out he actually did have equipment with him to diagnose the problem and performed the actual service. We were then told it would take 8 weeks to get the warranty covered parts for our Fujitsu mini split unless we wanted to pay for expedited shipping. It is now October 2026 and there is no answer on the phone and no way to leave a message as the voice mail system is full. The AI assistant is completely useless and the phone system only sends auto texts that state "they are on the phone with another customer and a return call will be made as soon as possible" - 2 days later, no return call. We paid a $1200 deposit but are unable to get anyone at Kung Fu to respond to our request for scheduling the warranty service much less an status update on whether the parts have been received.

Cool Tech - Cool Tech

Cool Tech

(86 reviews)

Ala Moana

I recently had a great experience with Cool Tech. My A/C stopped working recently so I brought it…read morehere to get diagnosed and hopefully fixed. Simon found the problem and after ordering the part and waiting a few days, he helped me replace the A/C compressor on my car and the entire process was fast and easy. The service was excellent, the pricing was very reasonable, and everything was handled professionally. I was very satisfied with how the repair turned out. Im really happy with the experience and would highly recommend Cool Tech to anyone who needs A/C work done. Definitely a place I'd come back to.

Took my truck in due to an AC problem (replace evaporator) and wanted a second opinion/quote. Simon…read moretook a look at it and came up with the same diagnosis, but a couple hundred dollars less than the previous repair shop. He was able to repair it in the hours that he quoted (entire dash needed to be disassembled) and got it working better than I remembered it ever working even when the truck was new! He showed me the part that went bad and told me to bring it in to get checked out again in one year (free of charge). Simon and his employee are ASE Certified mechanics, which is the gold standard for auto mechanics. Simon is a hard working, honest mechanic who takes the time to explain things and you don't feel rushed/forced to do anything. You should definitely contact Simon if you're having problems with your vehicle's AC.

Purair Hawaii

Purair Hawaii

(56 reviews)

Kaka'ako

I manage a 204 unit apartment complex in the middle of Kakaako and lets just say that our shared…read morelaundry room gets it from the residents. I have been a customer of Pur Air for about a few years but never wrote a review. This time I knew I had too. First off Vicky was just amazing in her customer service; she walked me through the whole process in what they completed in our laundry room. Her personality is contagious and she is the real reason I will not look any where else to service our Laundry room vents. When you think of hard workers you think of Sam and Renie. We need more workers like them. They showed me a before picture of my Laundry room vents and it was filled with lent , dust and all the that stuff left behind from drying your clothes and to see the after picture , I knew would be requesting this group in hopes they can be our regular technicians. Absolutely great work. Clean vents and they wiped down all our dryers. Thank you once again Vicky, Renie, and Sam for a job well done.

Requested service call on AC. Date and time set. The day of appointment the tech was a no show…read more When I reported it the front office said he was sitting in front of my house for 30 minutes trying to call me. 1.I have no missed calls. 2. Checked the cameras monitoring the front of my house thirty minutes before and after appointed time and no trucks were ever parked there. 3. Couldn't get out and ring doorbell? Either they had the wrong number, wrong house, or who knows. Lazy, incompetent, and a waste of time.

C S Mechanical - hvac - Updated October 2026

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