O'Mahony Air Conditioning

Full Service Air Conditioning & Heating Contractor
Opening at 9:00 AM tomorrow
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Bryant 126CNA Air Conditioner with super-high efficient and very quiet operation. This is what an insulated scroll compressor with an 1/8HP motor at 800RPM sounds like. EnergyStar and Puron Refrigerant.

Did you know O'Mahony Heating and Air Conditioning adjusts the gas manifold pressure to achieve proper heat-rise in every new furnace they install? This is a very important task that is often overlooked during the installation process. Proper heat-rise ensures safe operation, extended life-span a...

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Bryant 126CNA High Efficiency Condensing Unit. Solid engineering, quiet operation and very efficient. We couldn't be happier offering this line to our clients. Email today for a free consultation. service@omahonyac.com

Bryant A.C. Equipment Upgrade at Rancho Santa Ana Botanic Garden. Susanna Bixby Bryant approved.

Washed and ready for summer's final push. Carrier Heat-pump with Payne Condenser. This was installed in a private sound studio. The client needed an absolute silent system but within a budget. We engineered system that included a Carrier air handler with an Electronically Controlled Motor program...

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Bryant Legacy Line
Standard CA Min. Efficiency
14 SEER R410a Puron
The workhorse of this line.


2 months ago
Outstanding service. Air went out in the middle of 104 degree days. They were able to squeeze in our service call the following day. We purchased the system from Chris 16 years ago and this is the first time it has given us a problem.
- Patrick A
7 months ago
Awesome Job. Professional Service . I had a Unit that was making noise no one else could figure it out and they did. Fixed it! Left my home clean. Heating and Air Conditioning Experts! Most of all I sure appreciated the customer service and just general friendliness! Great Job I highly recommend!
- Tamara K
3 months ago
100% recommend, would have given 10 stars if possible, came on time handled Ac problem quick and gave good price
- sergio s


  • Family Owned & Operated 
  • 30 Years Experience 
  • Lic. #871945 - Bonded - Insured 
  • "Chris services my central air system twice a year, always does a great job, and is easy to work with"  Kirk W. - Claremont,, 91711 - *****Yelp Review
  • "Wow, what a nice and reliable guy. While on vacation it's not easy to set up a repair person to fix your broken AC, but Chris was great." Stacy R. - Glendora, 91741 - *****Yelp Review
  • "The only HVAC contractor I would ever hire. Super friendly, knowledgable and honest..." Mark B. - Covina - 91724 - *****Google Review 
  • From the owner - Questions? Advice? Feel free to text my personal cell phone 
  • 626 705 8300
  • Free Estimates on Energy Efficient Systems

Contact Us


Call now
  • (626) 335-8073


Get directions
201 North Glendora Avenue Suite 100
Glendora, CA 91741
United States

Business Hours

Mon:9:00 AM – 5:00 PM
Tue:9:00 AM – 5:00 PM
Wed:9:00 AM – 5:00 PM
Thu:9:00 AM – 5:00 PM
Fri:9:00 AM – 12:00 PM
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