Rated 4.75 / 5 from 12 reviews
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Airwest Since 1984, we have been dedicated to servicing and installing heating ventilating and air conditioning systems that meet their maximum energy efficiency potential. National Comfort Institute estimates that the average residential heating and cooling system only operates at approximately 56% of its' potential. That means that most homeowners are paying almost double what they should to operate their systems. As far as we are concerned that's not acceptable. We are the premier contractor in Orange County and we strive to do right by our customers.

Our mission is to provide high quality, client orientated, fairly priced, engineering, installation and service of commercial and residential heating, ventilation and air conditioning systems. We define high quality as correctly identifying the problem, selecting the proper solution, and completing the work right the first time. We define client oriented as working in the client's best interest and exceeding the client's expectations. We define fairly priced as providing pricing that is fair to both Airwest and the client.
Highlights and features
  • Design Services, Installation Services, Residential HVAC, Maintenance Services, Cooling Services, Repair Services, Heating Services, Replacement Services, Indoor Air Quality, Systems & Equipment, Commercial HVAC, Ventilation Services
Associations and certifications
  • National Comfort Institute
Services
Maintenance
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You wouldn't think about operating your car without periodic maintenance. How about your heating and cooling system? You might not run your heating and cooling system as much as your car, but it is still important to maintain it in order for it to operate at peak efficiency.
Repairs
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Repairs No one likes to have their heating or cooling system fail, and especially when you need it most. You can contact us 24/7 to schedule one our service technicians to come out and repair your system. With our fully stocked trucks chances are we can get your system back in operation in no time.
Replacement And Installation
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Replacement And Installation The success or failure of your new heating and cooling system primarily depends on the quality of the installation contractor. Buying a new heating and cooling system is a very important financial decision. What you pay to buy and install the new equipment is only a small portion of the total cost. Overtime, the combined costs of owning and operating a system far exceed the initial cost of buying it.
Controls
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Controls We provide a wide vaiety of control options for your heating and cooling system. These range from simple non-programmable thermostats to thermostats that you access via the internet, ipad or iphone. Let us know what level of control you desire and we can design a control system to fit your needs.
Cooling
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Cooling The process of selecting the proper air conditioning system for your home is not as easy as it might seem. We start by surveying your home to determine things like wall and window areas, window coverings, insulation levels, and orientation on the site. We take these measurements and enter them into a computerized cooling load calculation software program (Manual J) to determine the proper size of your system.
System Performance Analysis
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System Performance Analysis We can determine exactly how well your present system is operating. We can evaluate your present system and make recommendations to improve its' efficiency. We can then keep it working at peak performance with our periodic maintenance program.
People
David Dretzka
David Dretzka
President & Owner
David Dretzka, P.E. is the President and owner of Airwest Air Conditioning and Heating, Inc. He received his Bachelors of Science degree in Mechanical Engineering from the University of Wisconsin - Madison. He started his professional career, designing HVAC systems for nuclear and fossil fuel power plants in Chicago. Soon after moving to California in 1981, he started his own mechanical design firm and has designed systems for Knott's Berry Farm, Disneyland, Wells Fargo Bank and RiteAid. In 1986, he obtained his MBA degree from the California State University - Long Beach. Fulfilling a long time dream to actually build what he designed, he acquired Airwest in 1997.
Reviews (12)
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Ben T.
Mar 04, 2021
Best company ever! Airwest Air Conditioning did such a wonderful job when they replaced my 25 years old A/C for a new one. They are professional, trustable and their prices are the best in the market! I had several quotes from bigger companies and Airwest gave me the best price! So well-done, professional work, I love my new A/C, I can't thank Airwest and Dave enough!
Raquel Saiz
Feb 23, 2021
I had my old HVAC replaced yesterday. I love it! these guys were amazing, customer support at its best. The actual HVAC is so quite! I live in a condo and my main concern was the noise. It is perfect. I am sooo happy! Airwest is a family owned business that really take care about customers and the quality of their work. I really want to thanks David, the owner, for his services and for reminding me that they are still businesses out there that care.
Glenn Dietz
Apr 15, 2020
I recently had a new furnace and air conditioning unit installed in my home. My wife and I are very please with the unit they recommended and the timely installation. We had a very challenging job as we have a low pitched roof (orginally a rock roof) on a home built in 1955 making access to ducts almost impossible due to lack of crawl space. They contracted removing old ducting and installing a new 200 amp electrical box at an affordable cost that was better than other firms.

They also coordinated with HERS testing and city inspections (a lot of companies like to avoid this part). The installation crew was top notch. The tech support guys were equally excellent in addressing a couple issues that were resolved. Thanks to the excellent investigation and analysis of Dave (top installer) he was able to determine why we were not getting adequate airflow into 2 rooms that were additions. Turns out that when ducts were installed for the addition (25 years ago) they were not connected properly. Airwest corrected the problem for both rooms.

The only issue I had was getting followup info and calls from Joe and Dave when they said they would. I found myself calling them to get status, upon which they were very responsive. The crews showed up on time as scheduled. I recommend AirWest to anyone looking for value on airconditioning or heating needs.
Dennis Mooney
May 09, 2019
I had Airwest replace my aging heating system. The installation included a new furance, new duct work and a whole house fan. We are extremely happy with the new system. Dave was a pleasure to work with and is very knowledgable. The installation went very smoothly. Compared to the other bids I received, Airwest was extremely competitive.
Hym
Feb 28, 2019
Dave is very responsive and his pricing is great. We showed up on time and provided an estimate same day. Him and his crew was professional and very knowledgeable. They took down old duct work In our warehouse and installed all new duct work. They did a great job protection the work area, minimizing distruption during work hours. We are very happy with overwall service and product.
Victor Ursan
Jan 12, 2019
One year ago, August 2017 I decided to upgrade my over 30 years old Payne AC unit and I had three companies quoting for the job. Dave with Airwest made a good impression, extremely knowledgeable, and his quote was the best as well, budget wise. April 12, 2018 I made appointment for them to come and replace it and within almost three hours they were done. Nice, neat and clean job, very polite and careful working (inside replacing the coil above the furnace) as well as outside with the new condenser. Friday, June 8th, 2018 I experienced a little problem with the new AC unit and emailed Dave @ 7:30 PM. Monday morning I had Chris come and within minutes he troubleshoot the problem and provided solution.

Since then until now, September 2018, I enjoyed a nice and cool house and had no problem during the recent heat wave we've experienced. Communication with company was good, service was good and so far I am grateful for their work and recommend them.
Eric Peterson
Nov 22, 2018
I used Airwest to evaluate my air conditioning system before it got hot this past summer. They were the most professional air conditioning and heating service I have ever used. The technician took the time to explain everything to me, didn't try to sell me some thing I didn't need and replaced the filter for free. I highly recommend Airwest for your air conditioning and heating needs.
Carmella Ritch
May 13, 2018
After talking with several HVAC companies my husband and I decided to go with Airwest. We liked Dave and he seemed very helpful and knowledgeable. We didn't have central air in our house, so we had to get the duct work replaced, a new furnace, and an air conditioner. When they were all done and it was time to plug in the AC unit, it was discovered there was a problem with our electrical panel. Dave recommended we replace it, but said there was a work around and he would have his guy come out to give us a bid and do the work around so that we could at least get our AC running.

He also asked for the final payment since they had completed the work. Like an idiot, I trusted him and gave him the final payment. I waited a few days to hear from him or the electrician and didn't hear anything. Then I called him, and 3 days later I had not heard back. I called again and 2 days later still hadn't heard back. I called him a third and fourth time and never heard from him.

He got his money, why care if I have a shiny new air conditioner I can't use and its 94 degrees outside. David finally got back to me and they fixed it so we can use our air conditioner. So now I am a happier customer with a cool house.
Scott Sachs
Jan 04, 2018
Used Air West for an install 2 years ago. It was trickier than usual install and they did a good job. We needed an electrical line with a conduit run and Dave suggested his go to electrician. We did not care for the electrician's work as he drilled a hole in flooring that would not allow a straight line of conduit to go through the ceiling. Since our install I have recommended Airwest to colleagues and friends and everyone has said good things about Airwest and their service. One thanked me for a "solid" referral.
Jennifer
Sep 27, 2012
His persistence paid off and he was able to fix a problem that certainly didn't have an easy solution. I gave him high marks! Hopefully you won't be hearing from me in a long time, unless of course it is via a referral.
Howard C.
Jul 05, 2012
All Airwest employees from the owner on down with whom I had contact have been very friendly and knowledgeable. Now that the temperatures have gone up, my equipment is very much appreciated and is working great.
Sftymgr
Nov 09, 2009
I recently had to replace a 25 - 30 year old heating unit in my Garden Grove home. From the first meeting with their sales person through picking which heating unit was appropriate for my home, I felt I was being treated with respect and professionalism. They worked with me on the financing. As for the installation? They arrived on time, prepared the work area and kept the disruption to a minimum. I am completely happy with their work, the unit we agreed on and the financing!