Lex - Air Conditioning, Heating, Plumbing, Electrical

HVAC contractor
4.8(490 reviews)
Lex - Air Conditioning, Heating, Plumbing, Electrical

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About Lex - Air Conditioning, Heating, Plumbing, Electrical

Lex Air Conditioning, Heating, Plumbing & Electrical has operated as a family-owned business from its Plano headquarters on Jupiter Road since 2004, building a service record that now spans more than 2,000 verified five-star reviews across the Dallas-Fort Worth metroplex. The company holds state licensing across three trades, HVAC, plumbing, and electrical, which means a single appointment brings certified technicians rather than layered subcontractor calls. Community coverage extends to Plano, Frisco, Carrollton, Richardson, McKinney, Allen, and more than forty additional cities across the DFW area, giving homeowners in surrounding suburbs direct access to same-day service without navigating franchise call centers.

What distinguishes Lex from regional competitors is their investment in factory partnerships and indoor-air specialty systems. As a Trane authorized dealer, they install and warrant the full residential equipment lineup including air handlers, packaged systems, and geothermal heat pumps, an energy-efficient option rarely offered by general HVAC contractors. Their indoor-air division features PremierOne UV air purification and whole-house humidity control, addressing the Texas summer humidity swings that strain standard AC performance. Every service call carries a 100% satisfaction guarantee, and the company advertises same-day availability for both routine maintenance and emergency breakdowns.

Customer testimonials specifically name technicians who resolved complex scenarios. Chris, identified as a master plumber, handled a leaked pipe repair and diagnostic call where he walked the homeowner through the entire repair process and verified system function before leaving. For electrical issues, technician Kurt performed follow-up diagnostics on an HVAC system that stopped cooling, identified additional failing components the homeowner needed addressed, and explained each finding clearly. Reviewer Niklas James described Jordan in dispatch as personable and helpful in coordinating the service window, reflecting the consistent communication the company maintains from the first call through technician arrival.

What Customers Say

All reviewers who mention specific technicians praise their diagnostic clarity and transparent communication. Multiple five-star reviews highlight same-day arrival during system failures, with both Jeff Conn and Niklas James noting the dispatch team coordinated rapid response windows. The handful of lower ratings reference warranty processing delays rather than service quality, while positive reviews consistently cite the technician's ability to explain issues and complete repairs in a single visit.

4.8 · 490 reviews
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Services

AC Repair & System Tune-Ups

Diagnostic repair, refrigerant charging, capacitor and contactor replacement, and seasonal preventive maintenance to restore cooling performance and extend equipment lifespan.

AC & Furnace Installation

Full HVAC system installation including Trane air handlers, furnaces, coils, packaged systems, and geothermal heat pumps with manufacturer warranties.

Ductless Mini-Split Systems

Trane ductless mini-split installation for room additions, garage conversions, and zoned temperature control without ductwork.

Plumbing Leak & Pipe Repair

Emergency leak detection, sewer line repair and replacement, water line service, gas line repair, and slab leak diagnosis and repair.

Water Heater Service

Tank and tankless water heater installation, repair, and maintenance including water quality assessment and whole-house filtration.

Electrical Panel & Rewiring

Electric panel replacement, complete home rewiring, lighting installation, GFCI services, and generator surge protection.

Indoor Air Quality Systems

PremierOne UV air purifiers, whole-house humidifiers and dehumidifiers, duct replacement, and duct cleaning services.

EV Charger Installation

Electric vehicle charging station installation for residential properties, including electrical panel capacity assessment.

Frequently Asked Questions