Professional New HVAC Installation in Leander, Texas | Coats Mechanical LLC

A professionally installed HVAC system delivers reliable comfort, lower operating costs and dependable performance for years. Coats Mechanical LLC installs new heating and cooling systems throughout Leander, Texas that are properly sized for the square footage, insulation, ductwork and sun exposure of your specific property — not simply matched to whatever was there before.

Sizing is where most installations go wrong. An oversized system short-cycles, never dehumidifies properly and wears out early; an undersized system runs constantly and still cannot keep up in August. We perform a load evaluation, review your existing duct system, and recommend equipment that matches the real demand of your building. If the ductwork is restricting airflow, we tell you before installation rather than after.

Every installation is completed to manufacturer specification: correct line set sizing, proper evacuation and charge, secure electrical connections, sealed duct transitions, and full commissioning with performance testing. We install residential systems, light commercial and full commercial equipment for offices, retail spaces and warehouses, plus energy-efficient upgrades that can meaningfully lower monthly utility costs.

Because we are family-owned with no outside investors, our pricing reflects the actual cost of quality equipment and labor. You will know the full scope, the equipment model numbers, the warranty terms and the timeline before we begin — and you will be talking to the owner throughout.