Castle Air Conditioning and Heating service van in Southwest Houston, Texas

Southwest Houston · Family Owned Since 1975

The royal treatment for your AC and heating.

NATE-certified technicians serving Houston, Fulshear, Katy, Sugar Land and the Bay Area — on every make and model, residential and commercial.

Book An Appointment Call or Text 713-667-7606

Call Castle Air Conditioning & Heating

When You Want the Royal Treatment

Your home is your castle. And, every castle needs a good air conditioner and heater for optimal comfort. If your air goes out or you need a new HVAC system altogether, we can help! Our experienced HVAC technicians can advise you about your options, troubleshoot and make an expert repair, and get you set up on a regular preventative maintenance program.

You don’t have to be royalty to get the royal treatment – we treat all our customers like family. Call or text us today and we’ll send a fully qualified HVAC technician to your home or business right away.

Let’s Get Started

Castle AC & Heating owner Josh Cartwright checking the charge on an American Standard air conditioner

What We Do

Air Conditioning

Houston residents rely on air conditioning to stay comfortable during much of the year. We can install and maintain an efficient HVAC system for you that will stand the test of time.

Heating

Though cooler weather is short-lived on Houston’s Gulf Coast, everyone wants to stay warm when the cold front arrives. Count on our team to offer the latest high-efficiency furnaces and heat pumps plus expert service and maintenance when you need it.

Maintenance

Our “Set It and Forget It Assurance Plan” is a preventative maintenance plan for your HVAC investment. We recommend tune-ups in the fall and spring for residential customers and quarterly for commercial customers.