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Services - Air-O-Tech

HVAC installation or replacement

HVAC system repair

HVAC system maintenance

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Recommended Reviews - Air-O-Tech

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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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3 days ago

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1 year ago

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Armen M.

It was my pleasure, thanks for being loyal customer

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1 year ago

Great repair work on HVAC system by Armen-- clear communication about the problems and quick, prompt service.

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Armen M.

It was my pleasure thanks so much

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1 year ago

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Armen M.

Thanks for your nice feedback

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5 years ago

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4 years ago

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6 years ago

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Armen M.

Thanks for your review will see you for your other project

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5 years ago

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6 years ago

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4 years ago

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Armen M.

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5 years ago

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7 years ago

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Armen M.

Thank you it was my pleasure I’ll see you for your future project

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9 years ago

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7 years ago

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8 years ago

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4 years ago

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Armen M.

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6 years ago

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7 years ago

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9 years ago

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5 years ago

Armen is a good AC technician. He's reliable and quickly came over to fix my AC the next day. His service was much appreciated!

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6 years ago

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6 years ago

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Armen M.

Thanks for your wonderful feedback

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7 years ago

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7 years ago

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Armen M.

Thanks it was our pleasure we will see you for next maintenances

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5 years ago

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Page 1 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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Green Planet Heating and Air - New heat pump installation in Encino, CA

Green Planet Heating and Air

(201 reviews)

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?)

We inherited an old 2009 Trane AC unit situated on a rooftop platform that wasn't up to code. After…read moresome research, we decided to switch to a ground-mounted heat pump. Green Planet provided a very competitive quote and handled the complex installation flawlessly. The Quote: They offered a high-quality product at a reasonable price, even with the added scope of electrical work. They also handled the permit process, which was essential for our rebates. Initial Inspection: We worked with Jay, who was professional and incredibly thorough. Unlike others, he took the time to properly inspect our electrical panel, furnace, and attic space. The Process: The project took about four days total over a two-week span (two days for installation, plus one afternoon each for the HERS and City inspections). Green Planet scheduled all inspections for us, making it stress-free. Heat Pump: We got the AC Pro XB Series heat pump. Specs met all rebate requirements for max refund. Payment: The schedule was fair--a $1k deposit, 50% upon delivery, and the final balance once the unit was installed. Paperwork: They provided all paperwork necessary for heat pump rebate. Green Planet was a great choice in term of product and service, and I'd highly recommend them to anyone looking for a heat pump installation.

So Cal Air - Life is GOOD

So Cal Air

(424 reviews)

I have been having issues with my HVAC for years, where there has been a musty smell, despite an…read moreannual maintenance being in place. So I decided to try a different company for this maintenance. The experience was beyond what I expected. The appointment was made with ease and all my questions were answered with patience and clarity. Robert came to do an inspection and showed me photos of the state of my system. There were areas that had clearly not been cleaned properly previously. He did a thorough inspection, and cleaning and went above and beyond. He was knowledgeable, respectful and his work ethic was excellent. I could smell the difference for the first time in years and the house finally no longer had a musty smell. It smells fresh and clean. I can't say how grateful I am. Thank you So Cal Air and THANK YOU, Robert!!!

I had four different companies come out to provide estimates for branching off an existing HVAC…read moresystem to add a new supply vent to an interior room. Robert handled the initial evaluation and was very thorough and professional. Although So Cal Air's estimate was not the cheapest, it was the most comprehensive--including drywall patching and painting--which ultimately made me feel the most comfortable moving forward with them. Other companies either tried to upsell me on a UV lighting system or suggested opening up the entire hallway ceiling, which felt excessive for the scope of work. After accepting the estimate, there was a delay of over two weeks before I was contacted to schedule the service, and I do think communication during that time could have been improved. That said, once they reached out, they were able to schedule the work for the very next day. Victor and his crew were professional and efficient, completing the job in about half a day. They left the space clean, and the overall quality of work met my expectations. Thank you, So Cal Air!

Manny's Heating & Air Conditioning - Our store front shop

Manny's Heating & Air Conditioning

(824 reviews)

Chinatown

Although I have used Manny's several times, I continue to be amazed at the truly superb service…read moreprovided by his highly trained technicians. In this regard, Jesus came out to look at our AC system yesterday, which has been working only intermittently. Following a very thorough diagnostic assessment of the overall unit, Jesus suggested that we hold off installing any new parts at this time, as the system is somewhat old and doesn't provide any specifics concerning what needs to be replaced. Indeed, I appreciated Jesus's honest and straightforward assessment, as opposed to relying on guesswork to resolve the problem. At this point, I expect that we will likely be replacing our aging unit sometime this year....and, without a doubt, Manny's will be the company I call to do the job. Along with providing prompt and excellent service, the three technicians I've met from his company have all been very professional, courteous, and personable. Thus, for anyone in need of AC service, Manny's should definitely be the first business to call.

We had a great experience with Manny's. The service provided was top tier by all those involved…read morefrom the quoting process through installation. The team went above and beyond and did additional duct work with the install of my new HVAC and really had a sense of pride and value in their work. This team of people want to do a good job and will not settle for cutting corners.

Air-O-Tech - hvac - Updated June 2026

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