Our services

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At Diamond Double J, we’re proud to announce the launch of our brand-new Air Conditioning and Heating company, serving San Antonio and all of Central Texas. Founded by Jeanne and Jim Smith, we bring over 30 years of experience to your doorstep, delivering reliable, top-quality HVAC services tailored to your needs.

We are committed to keeping your home or business comfortable year-round, offering expert installations, repairs, and maintenance with unmatched customer care. As a local veteran owned and operated company, we understand the unique climate challenges of Central Texas and are here to provide energy-efficient solutions that stand the test of time.

Experience the difference that comes with decades of industry expertise and a dedication to excellence. At Diamond Double J, your comfort is our priority.

We’re here for you—every season, every need.