System Replacement · Leander, TX
High-Efficiency System Replacement
Full changeout of a 14-year-old builder system with a high-efficiency unit and smart thermostat, sized to the home's actual load.
Leander, Texas · Serving Central Texas
Central Texas's Trusted HVAC Experts — 20 Years of Experience You Can Rely On
HVAC repair, new installation, system replacement and preventative maintenance for homes and businesses — delivered with transparent pricing and direct communication with the owner.
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Fast response during business hours. Weekend service available.
- Years of Experience
- 20+Years of Experience
- Jobs Completed
- 1,000+Jobs Completed
- Average Rating
- 5.0Average Rating
- Licensed & Insured
- 100%Licensed & Insured
Our Services
Professional HVAC services for homes and businesses
Whether you need a fast repair, a properly sized new system, or a maintenance plan that keeps everything running, we deliver dependable solutions backed by two decades of experience.
HVAC Repair & Service
Accurate diagnostics and dependable repairs for air conditioners, furnaces, heat pumps and refrigeration systems.
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New HVAC Installation
Energy-efficient heating and cooling systems designed, sized and installed for your specific property.
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HVAC System Replacement
Complete removal of outdated equipment and installation of modern, efficient systems built for long-term reliability.
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HVAC Maintenance Plans
Scheduled inspections, cleaning and performance testing that keep your system efficient and reliable year-round.
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Weekend HVAC Services
Dependable weekend and after-hours response for unexpected heating, cooling and refrigeration failures.
Learn more →"Every customer is treated as our only customer." — Shad Coats, OwnerVideo placeholder
Why Choose Us
Honest answers, fair pricing, and workmanship that lasts
As a family-owned business with no outside investors, our pricing reflects real costs — not investor targets. You work directly with the owner from the first call to the final walkthrough.
- Licensed & insured HVAC and refrigeration professionals
- Transparent, upfront pricing — no surprise invoices
- Quality equipment and premium replacement parts
- On-time arrival and on-budget completion
- Clear communication directly with the owner
- Family-owned with no outside investors
Our Process
Four simple steps from first call to lasting comfort
01
Free Consultation
We listen, inspect the system, and diagnose the real problem — not a guess.
02
Detailed Proposal
A written scope with equipment, timeline and firm pricing before any work starts.
03
Work Begins
Clean, code-compliant workmanship with the owner involved from start to finish.
04
Enjoy the Comfort
Full performance testing, a walkthrough, and ongoing support when you need it.
Recent Work
Recent HVAC projects across Central Texas
A snapshot of recent repairs, installations and replacements completed across Leander and the surrounding communities.
New Installation · Austin, TX
Commercial Rooftop Unit Installation
Two rooftop package units installed for an office property, commissioned and tested for balanced airflow across the suite.
New Installation · Cedar Park, TX
Attic Ductwork Replacement
Replaced undersized, leaking duct runs to resolve hot rooms and restore proper static pressure across the home.
HVAC Repair · Round Rock, TX
Walk-In Cooler Refrigeration Repair
Emergency refrigeration repair for a restaurant walk-in cooler, restored to temperature the same day with no product loss.
Maintenance · Liberty Hill, TX
Preventative Maintenance Program
Twice-yearly maintenance program for a dual-system acreage home, including coil cleaning and full performance testing.
Weekend Service · Leander, TX
Weekend Emergency AC Repair
Saturday failure diagnosed and repaired the same afternoon — failed contactor and burned control wiring replaced on site.
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.
Proudly Serving Leander, Austin, Round Rock, Cedar Park & Liberty Hill
Local crews, short drive times, and a company that actually answers the phone. Choose your city to see the services we provide there.
Ready to Schedule Your HVAC Service?
Call now or request your free estimate — you'll speak directly with the owner.
Free Estimate
Schedule your free consultation
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.
Get a Free Estimate
Tell us about your project and we'll get right back to you.