Your Top-Rated HVAC Company Serving Irvine, CA, and Surrounding Areas

 
 
 
 
 
 
 
  
 
 
 
 Posted on Google  
 
  
 
 
 Johny Hartanto 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
Amazing vendor. Very honest, and have amazing tech. We were in difficult situation where our lennox has proprietary system and our thermstat went out. But he made simple and just easy to be out of that lennox dependency. Will use them again in the future with their annual maintenance
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 David Nale 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
Very professional and easy to work with.  Not only did they have a very good solution for replacing the old furnace and air conditioner, but they also redid much of the ductwork so everything works better.  I highly recommend One Season!
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 K&V California 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
⭐️⭐️⭐️⭐️⭐️ Update: We completed a regular maintenance service and a couple of weeks later our thermostat disconnected from our WiFi. When I attempted to reconnect, I selected an incorrect setting. OneSeason came out a day earlier then I scheduled to fix this new problem and they got it fixed and let me know my mistake. Once again, great service from an exceptional company! Top-Notch HVAC Installation – Professional, Efficient, and Honest! I couldn’t be happier with my experience working with One Season HVAC for a full system installation. From the initial consultation to the final walkthrough, every step was handled with professionalism and care. The team arrived on time, walked me through all of my options, and helped me choose the best system for my home without any pressure or upselling. Their knowledge and honesty were refreshing. The installation itself was seamless—clean, efficient, and completed ahead of schedule. What impressed me most was the attention to detail. They treated my home with respect, ensured everything was working perfectly, and even followed up afterward to make sure I was satisfied. The new system is running flawlessly, and I’ve already noticed a big difference in comfort and efficiency. If you’re looking for reliable experts who take pride in their work, I highly recommend One Season HVAC. They’ve earned my trust and future business!
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 Sandeep Kumar 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
Excellent experience, Aubrey was able to thoroughly test our system & fix it quickly, highly recommend!
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 Dennis Toussieng 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
The company I give five stars. Excellent response and follow through with great communication from their office. The technician I give six stars. Very knowledgeable, fast, friendly and a great communicator advising me on the condition of my equipment and what I might expect going forward.
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 Natalie Pinedo 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
Great local HVAC company! I’d recommend them to anyone looking for reliable heating and cooling services in the area. Aubrey helped us so much with our system & was very informative and professional.
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 Analisa Marquez 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
I had a great experience with One Season Heating and Air Conditioning. Their team was professional, responsive, and very knowledgeable. They took the time to explain everything clearly and made sure the job was done right. The service was quick and efficient, and I really appreciated how respectful and courteous they were throughout the entire process. If you’re looking for reliable HVAC service, I definitely recommend them!
  
 
  
 
 
 
 Posted on Google  
 
  
 
 
 luisana pinedo 
 
 
 
 Trustindex verifies that the original source of the review is Google. 
Exceptional service, fair pricing, they don’t make you feel like you have to buy stuff you don’t need which makes me feel confident I’m not dealing with someone who just wants my money but instead honest, hardworking people who want to make sure my system runs well and stay within my budget. The techs are knowledgeable and helpful. And again, them being honest is a really huge factor for me. I will always call them for any needs I have for my HVAC services, who doesn’t love their home to feel like one season all year round?!