Big State AC & Heating Co.

Big State AC & Heating Co. operates from 17170 Lonestar Rd in Waller, Texas, delivering heating and cooling services throughout Waller County and nearby communities including Willis. The company maintains a perfect 5.0-star rating derived from 16 customer reviews, with each reviewer awarding full marks. Weekend availability is limited, but Monday through Thursday hours extend until 7 PM to accommodate working homeowners. Emergency service remains accessible around the clock for system failures that cannot wait for standard business hours.

The company provides financing through Sure Comfort and Synchrony Bank, enabling homeowners to proceed with repairs or installations despite budgeting constraints. Their service portfolio encompasses air conditioning repair, furnace maintenance, heat pump systems, and indoor air quality solutions featuring programmable thermostats. Customer feedback consistently references competitive pricing with transparent diagnostics, both crucial factors when a system fails during peak summer temperatures. The technicians demonstrate familiarity with equipment across all major brands and maintain current factory certifications.

Multiple reviewers specifically commend Mike, describing him as exceptionally honest and skilled at cost-efficient repairs. Mary Preston recounts the team arriving the same day she contacted them about a failing unit, ultimately replacing the system after evaluating multiple repair options. Another customer notes the crew accurately diagnosed a persistent issue that previous contractors failed to resolve, restoring comfort without unnecessary expense. Katherine Asher describes trusting Big State with her aging system for many years, highlighting the company's commitment to extending equipment lifespan rather than pushing premature replacements.