High-Efficiency System Replacement
System Replacement · Leander, TX
Full changeout of a 14-year-old builder system with a high-efficiency unit and smart thermostat, sized to the home's actual load.
Our Work
Recent HVAC Projects Across Leander & Central Texas
Residential comfort systems, commercial rooftop equipment and refrigeration work completed with careful sizing, clean installation and full performance testing.
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Fast response during business hours. Weekend service available.
Commercial Rooftop Unit Installation
New Installation · Austin, TX
Two rooftop package units installed for an office property, commissioned and tested for balanced airflow across the suite.
Attic Ductwork Replacement
New Installation · Cedar Park, TX
Replaced undersized, leaking duct runs to resolve hot rooms and restore proper static pressure across the home.
Walk-In Cooler Refrigeration Repair
HVAC Repair · Round Rock, TX
Emergency refrigeration repair for a restaurant walk-in cooler, restored to temperature the same day with no product loss.
Preventative Maintenance Program
Maintenance · Liberty Hill, TX
Twice-yearly maintenance program for a dual-system acreage home, including coil cleaning and full performance testing.
Weekend Emergency AC Repair
Weekend Service · Leander, TX
Saturday failure diagnosed and repaired the same afternoon — failed contactor and burned control wiring replaced on site.
Ready to start your own project?
Tell us what's happening with your system and we'll give you an honest recommendation and firm pricing.
Google Reviews
What Central Texas Homeowners Say About Coats Mechanical LLC
5.0rating on our Google Business Profile
Our latest Google reviews load here in real time.
See verified reviews from Leander, Austin, Round Rock, Cedar Park and Liberty Hill customers directly on our Google Business Profile — or call (737) 999-7483 to talk with the owner today.
Next Step
Get your free estimate today
Every project starts with a conversation and a real inspection — never a guess over the phone.
Free Estimate
Start your HVAC project
Send us the details and we'll respond with honest guidance and clear pricing. Need help right now? Call us directly — no phone trees, no dispatch runaround.
(737) 999-7483- Office
- 2424 Carretera Dr, Leander, TX 78641, USA
- Hours
- Monday–Friday, 8:00 AM – 5:00 PM — Weekend HVAC service also available. Anything after 5:00 PM is considered after-hours.
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Tell us about your project and we'll get right back to you.