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RD Smith Heating & Air Conditioning At R.D. Smith Heating & Air Conditioning, we offer the best value in heating, air conditioning and plumbing in the San Gabriel Valley. We specialize in diagnosing, repairing, selling and installing furnaces, air conditioners, ductwork, heat pumps, and mini-splits as well as repiping, installing and fixing toilets and faucets, drain cleaning, gas line service, water heater installation/replacement and repair, and more.

We're trusted by general contractors throughout Glendora, Covina, San Dimas, Azusa, La Verne, and surrounding cities to install new HVAC and plumbing systems from the ground up.
Services
R.D. Smith Heating & Air Conditioning is dedicated to providing the best value in home heating and air conditioning services. Whether you need to repair a broken air conditioner or furnace, or are looking to have a new system installed, we'll make sure you get superior results at a great price. We're the Only Call You Need to Make for Heating & Air Conditioning Repair, Maintenance, Installation & Replacement in the San Gabriel Valley, CA.
We understand how important it is for a business to achieve and maintain an optimal indoor environment for their day to day operations. That's why we always go above and beyond for our commercial clients. No matter the size of your business, we will do whatever it takes to respond quickly and get the job done.
Reliable & Affordable Plumbing Services for Homes & Businesses Across the San Gabriel Valley. Rodney Overstreet Plumbing, Heating & A/C (dba R.D. Smith Heating & Air) is the San Gabriel Valley's best choice for expert plumbing services. We are a highly experienced plumbing company that has proudly served thousands of residential and commercial clients throughout Glendora, Covina, San Dimas, Azusa, La Verne, and surrounding areas.
R. D. Smith Heating & Air Conditioning offers a variety of flexible financing options with approved credit through Wells Fargo Bank, N.A. With Carrier's Wells Fargo financing you can invest in your home comfort or resolve an unexpected heating and cooling need without using up your existing funding sources, like tapping into your savings or using a home equity line of credit or another credit card; they will still be available when you need them. To learn more about our special financing offers and available Carrier promotional rebates, give us a call today.
Reviews (2)
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Mike Cioffi
May 12, 2020
Can't say enough good things about RD Smith Heating & Air. I had a complete "tune up" of my AC last summer right before a heat wave, so when my house fan suddenly stopped working on a Saturday evening during the most recent heat wave, I was very bummed, and not hopeful for a quick response or fix. The first national company I called quoted an. INSANE price to potentially repair, and also said they likely couldn't the parts for weeks. Instead, by going with RD Smith, I got a get price, and a working AC by Monday evening. Very professional, very prompt, great responsiveness, even on Mother's Day week, and great value. Would highly recommend.
Gloria Fitzsimmons
Jul 13, 2018
RAY, is the best! He's honest and does great work. He worked on our AC unit. And we recommended him to our friends. And they love him and his work. Truly a master professional in his profession.