Design Air provides a full array of heating and cooling services to both residential and commercial customers in Riverside, CA and the surrounding region. We are a family owned and operated a local company that prides ourselves 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 repair, installation or maintenance services, you need to look no further for top quality Air Conditioning Contractors or Heating Contractors who can get the job done right the first time.

Reviews From The Web

Partners LocalYelp Reviews
4 Stars - Based on 19 User Reviews
Julie E.Julie E.

This is the second year in a row that I had to call them because I didn't trust the company my insurance called out. They came the same day, not 2 weeks... Read More

Denise B.Denise B.

I'm writing this review for my 88 year old mom. She is extremely happy with her new heating and cooling system from these guys. She said they did exactly... Read More

Partners LocalGoogle Reviews
5 Stars - Based on User Reviews
Yolanda PahuaYolanda Pahua

Great service. They are efficient, timely, friendly and very knowledgeable in servicing their products. They listen to your concerns and resolve any issues. I highly recommend them for your air conditioning and heating needs. Y Pahua

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Rachel MarshallRachel Marshall

These guys are awesome. They are consistantly thorough, friendly and professional. No problems whatsoever since install in 2016. Would definitely recommend!

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Lois TomlinsonLois Tomlinson

I have used Design Air for my various homes and offices for over 14 years. They are very professional, prompt, and easy to work with.

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john curtisjohn curtis

Outstanding service. Friendly, courteous, efficient and informative.
They were on time and finished in a timely manner. So professional.
I highly recommend Design Air to anyone!

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Monique BustamanteMonique Bustamante

I own a property management company and we always call Design Air. They are efficient, friendly and extremely capable. I would recommend them every time.

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Recent Projects

Air Conditioning Installation Riverside, California

The client contacted us because their old furnace would not run during cooling mode due to a bad fan motor relay. Also they wanted a more efficient system.


Full installation of a new Day and Night Unit. Complete duck work replacement

System Details

  • 3 ton 17 seer condenser day and night
  • 3 ton variable speed 2 stage furnace and filter rack
  • 3 ton upflow 17 seer coil

Photo Gallery

Air Conditioning and Heating Replacement in San Bernardino California

Residential Heating and Air Conditioning replacement. We replaced their old outdated Air Conditioning condenser, Coil and Heater with a new energy efficient Rheem condenser, heater and coil. We also enclosed the new line set with a line set cover giving the outside of the wall a clean appearance. The heater was replaced from inside of a hall closet inside of the home.

Residential AC Unit Installation San Bernardino, California

A new 3½ Ton 14 SEER Rheem Gas/Electric Air-conditioning and Heating Package unit was installed on a roof of a residential home in the city of San Bernardino. A new custom metal roof curb was also installed and exposed duct work was reattached to the new unit.

Design Air is recognized as one of the top contractors for Rheem products.  Call us to find a solution to your Air Conditioning and Heating needs.

Air Conditioning and Heating Replacement in Chino Hills, California

Residential Air Conditioning and Heating Unit Replacement in Chino Hills

The outside condensing unit was replaced with a new Rheem 4 Ton condensing unit and new condenser pad. We also replaced the old heater and coil from a closet inside the home with a new Rheem 4 Ton heater and coil.

Residential Condenser Cage Installation Perris, California

Help prevent stolen and vandalized condensers with a custom condenser cage.

This homeowner was recently a victim to theft, as their outdoor condensing unit was stolen. We custom made a condenser cage to fit his unit and help prevent his new unit from being stolen again in the future. These custom cages make it very difficult for thieves and vandals. They provide adequate space for maintenance and repairs and provide the perfect amount of protection.

Residential Water Heater Replacement Moreno Valley, California

Here we replaced a 15 year old residential water heater located inside of a garage. We installed a new 50 Gallon Rheem Gas Water Heater with a drain pan underneath for added protection and peace of mind.

Rheem has used the power of gas to fuel some great advancements in water heating. Made popular by their ability to heat water effectively and efficiently, gas water heaters are our most popular water heaters. We are sure you will find a hot water solution to fit your lifestyle and budget that you will enjoy for years to come.


Mon7:00 AM-5:00 PM
Tue7:00 AM-5:00 PM
Wed7:00 AM-5:00 PM
Thu7:00 AM-5:00 PM
Fri7:00 AM-5:00 PM
Sat7:00 AM-5:00 PM


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