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Claim This BusinessA/C Works has earned a perfect 5-star rating across 451 reviews, making it one of the most highly recommended HVAC contractors in Collin County. This family-owned business has served McKinney residents for nearly two decades, specializing exclusively in residential heating and cooling systems. Located at 4025 E. University Dr, Suite 100 in McKinney, the company operates Monday through Friday from 7 AM to 10 PM, with weekend availability and 24/7 emergency service for unexpected breakdowns.
What distinguishes A/C Works from other area contractors is their straightforward approach to diagnostics and repairs. Rather than recommending costly replacements, their technicians identify practical fixes, David, the owner, recently resolved a capacitor wiring issue that another company claimed required a full unit replacement. They sell and service major equipment including air conditioners, gas and electric furnaces, heat pumps, and whole-house air purification systems, backed by preventive maintenance plans designed to extend system lifespan.
Reviewers consistently highlight specific technicians who delivered exceptional service. Jason received praise for keeping customers informed throughout diagnostic visits and waiting until homes reached desired temperatures before departing. Sam was commended for fast, efficient heater repairs. When one customer faced a complete AC failure during summer, David rearranged his schedule to provide next-morning service. Another reviewer noted that after 10 years of bi-annual maintenance visits, the team has never failed to deliver responsive, honest assessments.
Of 451 five-star reviews, multiple customers mention decade-long relationships with A/C Works, with one homeowner relying on them for 20 years. Technicians Jason, Sam, David, and Rebecca are named across positive reviews for clear communication, fair pricing, and arriving as promised. The owner David is specifically called out for emergency visits and second-opinion diagnostics that saved customers from unnecessary equipment purchases.
| Sunday | 9 AM–5 PM |
| Monday | 7 AM–10 PM |
| Tuesday | 7 AM–10 PM |
| Wednesday | 7 AM–10 PM |
| ThursdayToday | 7 AM–10 PM |
| Friday | 7 AM–10 PM |
| Saturday | 8 AM–5 PM |
Sales, service, and installation of air conditioners for residential homes throughout Collin County.
Gas furnaces, electric furnaces, and heat pump installation, repair, and maintenance.
Bi-annual tune-ups designed to keep systems running smoothly and extend equipment lifespan.
24/7 availability for unexpected breakdowns and urgent heating or cooling repairs.
Air purification systems and premium filters to reduce allergens and improve indoor air quality.
Comprehensive system inspections to diagnose issues and recommend appropriate repairs.
Thermostat installation and programming for optimal home comfort and energy efficiency.