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Claim This BusinessNorthside Air Conditioning operates from Lewisville, Texas, delivering heating and cooling solutions across the greater Denton County corridor. The contractor holds a 4.9-star rating accumulated from 510 verified customer reviews, reflecting consistent service quality that homeowners in the area have come to expect. Serving communities including Denton, Flower Mound, Frisco, McKinney, Coppell, Little Elm, Double Oak, and The Colony, the company responds to emergency calls around the clock and maintains standard weekday hours across its service calendar.
The company distinguishes itself through its Maintenance Advantage Agreement program, offering priority scheduling and discounted repairs to enrolled homeowners. Service offerings include advanced indoor air quality solutions such as whole-house humidifiers, UV purification systems, and energy recovery ventilators designed for North Texas humidity swings. Their expertise encompasses geothermal climate control systems, a technically demanding specialty that few contractors in the area can service with confidence.
Homeowners who left reviews consistently highlight specific technicians who delivered exceptional service. Richard Price noted that technicians Joe and Rene handled his geothermal system with the specialized knowledge such equipment requires. Jaquelin Mendoza called Rene reliable and professional, emphasizing that he arrives on time and ensures every job meets quality standards. Robert Blackford praised the team's upfront education about system options before his central AC installation in 2022, describing the process as informative and the resulting installation as flawless.
All 510 reviewers awarded 5 stars, with nine named technicians appearing across feedback, including Joe, Rene, Joey, Joseph, Zeke, and Ezekiel. Customers specifically praised diagnostic clarity upfront, foot protection practices inside homes, and fair pricing with no surprise charges. The recurring theme across reviews describes technicians who explain repair options before beginning work and leave homes cleaner than they found them.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–6 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Diagnostics, refrigerant handling, and component replacement for all residential AC systems, including same-day emergency service.
New system sizing, equipment selection consultation, professional installation, and financing assistance for qualified buyers.
Furnace repair, heater installation, heat pump service, and annual heating system tune-ups for winter reliability.
Whole-house humidifiers, media air filters, UV lights, and energy recovery ventilators to address North Texas humidity.
Installation and repair of ductless mini-split heat pumps for home additions, garages, and zone-specific climate control.
Smart thermostat setup, wiring diagnostics, and replacement of outdated temperature control equipment.
Heating and cooling installations and maintenance contracts for commercial properties across their service territory.