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Thermostat Services

San Marcos & Corpus Christi, TX

Free Same-Day Estimates

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Precision Temperature Control When You Need It Most

Your thermostat serves as the command center for your entire air conditioning system. When it malfunctions or operates poorly, your comfort suffers and energy bills climb. Competition A/C & Heat delivers comprehensive thermostat services to homes and businesses throughout San Marcos, TX and surrounding areas, ensuring your climate control operates exactly as intended.

Since 2013, our family and veteran-owned company has provided honest, reliable service backed by over 30 years of combined experience. We respond quickly to service calls, offer same-day estimates at no charge, and stand behind our work with a workmanship warranty. If you need a smart thermostat installed or your existing unit repaired, contact us for professional assistance.

Outdoor HVAC condenser unit with exposed wiring beside a house wall.

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Why Choose Us

Free Same-Day Estimates

24-Hour Estimator Available

Fast Response Times

Workmanship Warranty Included

Over 30 Years of Experience

Licensed and Insured

Smart Thermostat Installation

Modern smart thermostats offer significant advantages over traditional models, including remote access, learning capabilities, and detailed energy reporting. Our licensed and insured technicians install all major brands and ensure proper integration with your existing HVAC system for maximum efficiency and comfort control throughout San Marcos, TX and surrounding areas.

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Thermostat Repair

A malfunctioning thermostat can cause temperature inconsistencies, short cycling, or complete system failure. We diagnose and repair all thermostat issues quickly, from faulty wiring and sensor problems to calibration errors and dead batteries, restoring accurate temperature control to your space.

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Here's what our satisfied customers are saying...

At Competition A/C & Heat, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Competition A/C & Heat and let others know what you think.