HVAC, Plumbing & Electrical Services in Richardson, TX

Professional HVAC, plumbing, and electrical services for Richardson homeowners. Licensed, insured, and trusted since 2004.

A 3D map of Texas in the state flag colors with a cartoon man’s face inside a location pin above the map.

Why Richardson Homeowners Choose LEX

25-35 min Response

Fast response times to Argyle from our Plano headquarters.

Family-Owned

Three generations of honest work since 2004. Proudly serving our community

Licensed & Insured

Fully licensed, bonded, and background-checked technicians.

2,500+ Reviews

4.8-star average across Google, Facebook, and Yelp. Contact us today!

Richardson's Home Service Company Since 2004

LEX Air Conditioning, Heating, Plumbing & Electrical has proudly served Richardson homeowners for over 22 years. Our Plano-based team delivers fast response times, upfront pricing, and quality workmanship on every job.

Why Richardson Homeowners Choose LEX

22+ Years Experience

Family-owned and operated since 2004, proudly serving our community.

Fast Response Times

Based in Plano, we serve with 35-50 minutes typical response.

Flexible Financing

Multiple financing options available. 0% financing for qualified buyers.

Licensed & Insured

Fully licensed electricians, HVAC, and plumbers. All work permitted.

100% Satisfaction Guaranteed

We stand behind our work with a complete satisfaction guarantee.

Local Family Business

LEX is a local family business serving the DFW area.

See How Our Customers Rate Us!

Related Services

Schedule Now

Americans with Disabilities Act (ADA) Notice

At Lex Air Conditioning, Heating, Plumbing & Electrical, we are committed to ensuring that individuals with disabilities enjoy full access to our websites. In recognition of this commitment, we are in the process of making modifications to increase the accessibility and usability of this website, using the relevant portions of the Web Content Accessibility Guidelines 2.0 (WCAG 2.0) as our standard. Please be aware that our efforts are ongoing. If at any time you have difficulty using this website or with a particular web page or function on this site, please contact us by phone at (972) 430-8303; or email us at ([email protected]) and place “Web Content Accessibility (ADA)” in the subject heading and we will make all reasonable efforts to assist you.