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Comfort Is What We Do

About Reliable AC

Reliable AC was founded in 2014 by Ali Esmaeilzadeh, along with his wife, Parveen Esmaeilzadeh as the compaany grew it and expended it's services it reorganized and changed it name to Reliable AC & Mechanical Services LLC in 2017, to provide the Katy, Cy-Fair, Houston and surrounding Texas areas with honest, affordable heating and air conditioning services. Homeowners and business owners rely on Ali’s more than 15 years of experience as a residential and commercial contractor to keep their equipment in top-notch condition.

Ali is an exceptionally honest and hardworking family man. He and Parveen have been married since 2009 and have two children.

For all your commercial refrigeration or HVAC needs

Call us today

(281) 788-6730

About Reliable AC

Licensed and Insured HVAC Texas Contractor TACLB 60197C

Phone: 281-788-6730

Email: [email protected]

Available 24/7

Proudly serving Katy, Houston, Cy-Fair, Tomball, Spring, Richmond and Fulshear, Texas and the surrounding areas.

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Meeting Your Needs

At Reliable AC & Mechanical Services LLC, Ali is committed to keeping your heating and air conditioning systems running smoothly. He provides a variety of services to meet your heating and air conditioning needs, including installation, repairs, and services for residential and commercial HVAC systems.

Your Trusted Contractor

Homeowners and businesses count on Reliable AC for their heating and cooling needs. A Texas licensed and insured contractor, Ali is an independent TRANE dealer and is familiar with all makes and brands of heating and cooling systems. When you choose Ali and Reliable AC, you know you’re in good hands.


Because of Reliable AC’s commitment to you, the company is offering two specials: When you like Reliable AC on Facebook, you receive $20 off your next service.

System checkups are now $79.