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Design Air Inc. provides a full array of services to both residential and commercial customers in Riverside, CA, and the surrounding region. We are a family-owned and operated local company that prides itself on offering the most competitive prices and the highest level of dependable and friendly customer service you’ll find anywhere in the Inland Empire. Whether you need air conditioning repair, solar panel installation, or plumbing services, you need to look no further for top-quality contractors who can get the job done right the first time.
As Marathon HVAC, we will still offer our exceptional repair, replacement, and maintenance services to your equipment.
For additional information about our services, or to schedule an appointment, call us today at (951) 379 3362
Reviews
Jon Olivan
Technician JAIME did a fantastic job, he thoroughly explained the HVAC maintenance process for my system and gave my entire system a tuneup it needed. I would recommend Marathon to ...
Megan SR
I’ve used Marathon multiple times over the past several years for both my AC and heater. They are prompt, trustworthy, friendly, and easy to schedule/communicate with. Jaime is an excellent ...
Scott Matsunaga
Daniel did a great job! Very professional and friendly! I recommend him!
Pamela Twiggs
I have been dealing with Marathon for the past 3 years and am currently a VIP member. My service guy Leo Zepeda is very knowledgeable and professional and has always ...
Bruce Ellis
Jaime did a excellent job. He replaced the thermostat. and supplied preventative maintenance
Lore Setlock
I had my seasonal maintenance today with Daniel Martin. He was very professional. He showed how much he loved working for this company, and how he loved his job. He ...
Norma Sanchez
Jaime and Justin were friendly, professional and efficient. Highly recommend.
Michele Weir
Jaime was great! Friendly, gave me a lot of feedback about my home system and helped me understand how things work and what was needed. Went above and beyond to ...
Gwendolyn Poindexter
Justin was great. He quickly figured out the problem, made the correction, and my air conditioner was back to work!
Vilma Sanchez
Great customer service! It was a pleasure speaking to Stacey. She made sure I got the service I needed in a timely manner. First time using their services and I ...
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