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
4.5 Stars - Based on 34 User Reviews
Voltaire V.Voltaire V.

Last night our AC was blowing hot air. I called Design Air to make an appointment and was slotted at 11am to 1pm. Paul came in early and I explained to him... Read More

Brian H.Brian H.

They performed magic on my current rooftop AC. They were on time and was very professional. Sharp work trucks as well as state of the art AC repair... Read More

Google API Error: The provided Place ID is no longer valid. Please refresh cached Place IDs as per
Google API Error: The provided Place ID is no longer valid. Please refresh cached Place IDs as per

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 We replaced their old outdated Air Conditioning condenser, Coil and Heater with a new energy efficient Rheem condenser, heater and coil.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


Payment Methods