Conroe: 936-321-3770
Houston: 713-450-1573

Keeping You and Your Family Comfortable

Service you can trust

At a competitive price

Air Conditioning and Heater

Repairs Done Right

Air Conditioning and Heating Specialists

Diamond Heating & Air Conditioning can create your ideal home or office comfort system. From a single residential installation to complete HVAC building maintenance, Diamond can install, repair, and service all your heating and air conditioning equipment. We service The Woodlands, Spring, Conroe, Lake Conroe, Tomball, and Montgomery, Texas.
Residential AC

The Texas heat can be brutal. Diamond Heating and Air Conditioning is a  reliable source for all your AC needs including installation, maintenance, and repairs.

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Commercial AC

We work with small to large size businesses and property managers to not only keep you comfortable, but your customers as well.


We provide quality services for your heating needs. We provide maintenance and installation on both oil and gas heaters.

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American Standard

Whether you use oil or gas heat – American Standard Heating & Air Conditioning has a range of furnaces that will bring efficient warmth to your home.