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    Air-O-Tech

    4.7 (78 reviews)
    Closed 8:00 am - 6:00 pm

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    Services - Air-O-Tech

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

    Air-O-Tech Photos

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    Reviews With Photos

    Armen (kneeling) with his brother working tirelessly on my condo roof in West Hollywood.
    Mike F.

    I could not have been more fortunate to find Air-O-Tech! Armen responded right away when my ancient HVAC dropped dead. (During a heatwave!) He made a thorough, same day inspection , but couldn't save my existing 1980's rooftop unit. Two days later I have a new, efficient HVAC system. Price was fair & installation was seamless. Air-O-Tech is now my go-to for all HVAC service.

    Thermostat
    Doc S.

    This past Sunday, late afternoon we went to an early dinner, the air conditioner was set to 73, and upon return, it was 80. An hour later it was 83, and I panicked. My father was expecting his first ever FaceTime call from his brother and I needed to find out why the fan was blowing HOT air. So YELPEd I did. I received 6 responses with AIR-O-TECH being one of them. Armen both owner and the licensed contractor who came out requested more information. I texted it ( but to the wrong number and my dad had his FaceTime Call). Armen said if it was not so late he could have come out tonight. Let's make it tomorrow morning between 9 and 10 am, I have to make a delivery first. Of the other 5 responses, they stated tomorrow day. No time. He texted that he was 30 minutes away, and put on clean booties to protect my floors, and a clean mask, to protect my health. At the time of the text, Armen stated a price for the estimate, explaining that it takes his time to drive to my home and to find what is wrong. His was right in the middle of the others. When he found the piece, he explained that it may just be that piece, but it may not. He could fix it and then have to fix another and another, etc. Asking his opinion, we decided to change the entire heating and air conditioning unit. He stated that his company had an opening on Wednesday, and that was the most optimal day for us. He needed to rent a crane, and he and his contracting employe removed the old and installed the new with precision and were extremely neat, organized, clean, and respectful from the first message to the receipt. They even gave a one year LABOR and ten years PARTS guarantee. He threw in a FREE air conditioning pad, and showed me how to operate the new update equipment. Pluses going with AIR-O-Tech: Very Responsive to YELP REQUEST, gave a WRITTEN ESTIMATE in line with the law; SAID A DAY AND TIME and ARMEN messaged 30 minutes prior to alert us that he was on the way; USED A CRANE; ; WAS VERY NEAT, CLEAN, ORGANIZED, WELL GROOMED, WORE UNIFORMS SO YOU KNEW WHO WAS ENTERING YOUR HOME; GAVE A WRITTEN RECEIPT FOR ONE YEAR LABOR AND TEN YEAR PARTS GUARANTEE; LICENSED, SAID IT AND DID IT. Would I use them again. ABSOLUTELY. THIS WAS MY DADS HOME. MY HOME NEEDS POSSIBLY A NEW AIR CONDITIONING UNIT TOO. POSSIBLY EVEN A BIGGER ONE. HIS WAS A 4 TON UNIT, and I HAVE A 3 TON THAT HAS GONE OUT ( and a home that is larger). My only compliant is that they don't do EVERYTHING IN THAT THEY APPEAR TO BE VERY HONEST AND WE ARE VERY HAPPY WITH THEIR SERVICE. July 11, 2020 Although Armen and his brother are fantastic, I have a very difficult stressor going on with family, specifically my father, as a result, I forgot how to change the filters On the new Air Conditioner and Furnace, Armen, and his brother installed, and they even left an extra filter and demonstrated but my father was just getting out of the hospital and I did not focus at the time. So I called tonight, left a message and Armen returned the message within a couple of minutes I am very grateful that I chose a great company with an owner who stands behind his product and even responds so quickly to questions that his past very satisfied customers have Once again Armen a GIANT THANK YOU!!

    I was working with Armen from Air o Tech on a multi unit property, he had installed multiple split AC units. The AC units only lasted a few months until they started giving multiple issues. Armen has since completely ignored all phone calls and texts regarding these repairs. I have called other AC companies to look at the units but Armen is the one who set up these units and they do not want to take up the responsibility. I am willing to pay for these repairs because I've been receiving non stop complaints from tenants. Nonetheless Armen refuses to even pickup or respond, and he promised warranty on all these items which he did not honor. I gave him the benefit of the doubt and waited months before writing this review. Hopefully you reach out and fix the AC units I paid thousands of dollars for.

    He plugged his machine into the unit and found the problem immediately. A very nice guy as well.
    Anthony S.

    Armen was great! I contacted multiple air-conditioning and heating people to fix an AC unit that was not blowing cold air and they all said I would have to wait 2 days but Armen said he would be over in a couple hours. He arrived and within minutes he found the problem and then also told me that my unit was not a good brand and I suggested that I get a better more efficient one. I will be working with him again to replace this unit and other units I have. Highly recommended!

    The jacked disconnect box to my unit. Looks more like boxing gloves to me
    Kenia Y.

    I finally found someone in the AC repair industry who's trustworthy & reliable! Armen arrived to my home ready to fix what he initially thought was the issue with the AC unit. He tested out the new parts he brought to discover it was a much bigger problem... the compressor in my system was blown. He said he wouldn't be able to get it working without it. So either new compressor or new system. Either way, it sucks. He was very gracious about the whole thing however, and only charged me a low fee for diagnosis despite being out on my hot roof for a couple hours. I'll probably be hot around here for a while but I'll rest assured at least I didn't get ripped off! Thanks Armen!!

    Amen wrapping things up in this heat! Thank you good sir!!!

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    5 years ago

    Came in on a super hot day, did the diagnosis and clearly explained the in-and-out to me. Very knowledgeable and friendly!

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    5 years ago

    The company installed the safety pan. Reasonable price , quick response and professional job. Referral is suggested.

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    6 years ago

    Great service....on time communicated well. I referred him already to another person needing repair.

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    5 years ago

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    5 years ago

    Efficient. Honest. Even lent us a brand new panel until we'd receive our Nest thermostat. Highly recommend.

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    Armen M.

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    7 years ago

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    Armen M.

    Thank you for your wonderful feedback

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    7 years ago

    Armen was awesome. I called him for furnace repair. He arrived on time, very knowledgeable and professional. I will surely use him again.

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    8 years ago

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    7 years ago

    Armen was on time, professional, fast, thorough, and made sure to not bring any dirt in the house despite the rain today. Highly recommend!

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    Page 2 of 2

    Ask the Community - Air-O-Tech

    Review Highlights - Air-O-Tech

    Armen from Air-o-Tech came out promptly to fix my heater which was kept shutting down before reaching its desired temp.

    Mentioned in 18 reviews

    Read more highlights

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    Our ancient heating system finally gave up the ghost and our AC was out of warranty, so it was the…read moretime to upgrade to a heat pump system. It was Jay and the Green Planet team that made it happen. Professional, experienced, and efficient. They did exactly what they said they would do with no surprises. We found Green Planet on Yelp and we're very happy to praise them on Yelp!

    Good golly, am I grateful for meeting the fine folks at GREEN PLANET!…read more * OH NO! MY OLD AC WIZARD RETIRED! Long story semi-short, my AC of 26 years had been on its last legs since about 2017... I'd been postponing the inevitable with R-22 recharge + leak sealant, with service from a older fellow whom I'd had a great relationship with, for almost a decade. Between 2020 and 2025, all seemed "tolerable" with my old Payne/Carrier AC + furnace. But last fall, it was clear my system had given up the ghost... and unbeknownst to me, the fabulous older gentleman who'd been coming here off and on for years, retired and moved out of state. I needed some new AC geniuses! Let the research and bidding/quoting madness begin! * FAMILY-OWNED BUSINESSES ARE BEST! I know everyone says "go local," and avoid things (giant franchises, etc.) that rhyme with "Bosco," for such an install (as well as gear sharing the first name of a famous 1990s-era heavyweight boxer w/the last name of Lewis). I'll let you imagine how that "almost" experience went... The FAMILY-OWNED business that is GREEN PLANET not only saved me heaps, but educated me about what would truly be needed, to go the "heat pump" route (my initial intention). Given that I have ancient, single-pane windows, and am in a tricky financial spot (I can't really upgrade my insulation to seal up the home to make a heat pump be 100% effective, let alone, replace windows), I ended up going with a rock solid, super efficient, side discharge AC condenser (due to vertical clearance limitations) and a new furnace (more details below). Nice! * "OFFICE" ETTIQUETTE Anyone curious about GREEN PLANET's "office" coordination... I wrote to Jay through their website... he phoned within an hour... I explained as best I could (background / issues / wants), he made an appointment to come out on Tuesday... He was on time, inspected the premises and advised... and his entire crew was out here THE NEXT DAY, taking care of business. I've had no AC since last September. (Though I've survived in here for 4 years without it, ages ago.) And now I'm CHILLIN'!!!!! (For PARENTS: I also appreciate the fact that the crew were extra aware of their environment, given that my son was home from school, sick; they were always mindful of him, in their midst.) * SOME INSTALLATION SPECIFICS A 2-ton unit was installed, replacing/upgrading from basically what I had... and my existing ducting is still rock solid, which also saved me some cash (by not needing new ducting). A wiring upgrade to accommodate the newer, more powerful/efficient unit... and DONE deal! * THANK YOU! Giant high five to Jay, Nola, the install leader Andre, and GREEN PLANET's fabulous crew! Can't thank you enough for your kindness, thoroughness, and awareness of economics :-) Dale PS: Their T-shirts are the COOLEST! (Pun?)

    So Cal Air - Life is GOOD

    So Cal Air

    (429 reviews)

    I had very good experiences with So Cal Air and definitely recommend them…read more Both the business and the construction parts of the job went smoothly. Communication was good. They helped me understand options and worked with me on what I wanted. They did what they said they would do. They were flexible and took the time to finesse the work where it was needed. Good quality work. Permits went fine, and everything passed the first time. My 1930 property has a 2-story duplex and a house. I live in one unit and have renters in the other units. I talked to several companies about the work. So Cal Air was more responsive than other companies. Menooa was very knowledgeable and helpful during the first meeting, offering me options. Their proposal was competitive with other proposals. They helped me understand options and were flexible, and worked with me through the installation of what I wanted. They installed 3 separate systems for me, one system for each unit. Each system had 3 zones. I've had many repairs to my property over the years, and the details matter to me. I wanted to hide the lines as much as practical, preserve the architectural look. My contractor handled the electrical installation and opened and repaired the drywall after the lines were installed. SoCal Air worked well with my contractor. Renovation of older construction is often complicated and takes extra effort. We had to come up with some creative solutions, and SoCal Air did a great job! My units were installed above doors and windows. My contractor modified the living room cove ceilings so the indoor units would fit close to the ceiling. So Cal Air did everything else. Everything fits great and looks great! I appreciated that Manooa gave good recommendations to steer me away from difficulties, but he also listened to me and headed my wishes when it mattered to me. So Cal Air handled the permits for the heat pumps. The installation passed the LA Building and Safety inspections with no issues. The work was finished late summer, early fall of 2025, after the heat, but in time for winter. Heating worked great in winter. We had a chance to use the cooling during a recent heat wave, and it worked great! I bought the heat pumps primarily for cooling, since the apartments had only heating and had never had cooling before. The units work great! The temperature stays very comfortable. Everything is very quiet. I barely know they are on, except when I open the door and am shocked by how hot it is outside. My tenants gave me positive feedback and have been very happy with the heat pumps. My property still looks like 1930, but it doesn't feel like 1930 anymore! I am very happy with their work and the results. I've recommended So Cal Air to several friends.

    I recently had So Cal Air replace my entire HVAC system, including both the outdoor unit and the…read moreindoor air handler. I could not be happier with the experience. From the initial consultation through installation, Menooa and his team were professional, knowledgeable, and easy to work with. They also enlarged one of my return air vents to meet the higher airflow needs of the new HVAC system. The work required widening the opening in the ceiling and installing a new return grille. The crew handled it neatly and professionally. When they finished, it looked like new. The new system is working great, airflow is noticeably improved, and the entire project was completed fast and as promised. It's not often that a major home improvement project goes this smoothly. I would recommend So Cal Air to anyone looking for HVAC installation or replacement.

    Air-O-Tech - hvac - Updated June 2026

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