One Call Heating and Cooling

Is this your business?
Verify your details, earn a verified badge, and start getting customer inquiries. Takes about a minute by phone.
Claim This Business FreeClaiming is free. Featured placement is optional, $99/mo.
About One Call Heating and Cooling
One Call Heating and Cooling has built a strong reputation in McDonough and the surrounding Henry County area, earning a 4.8-star rating across 140 verified customer reviews. The company operates with a team of licensed technicians who specialize in both heating system repairs and cooling installations, providing residential services Monday through Friday from 8 AM to 6 PM. Homeowners throughout the region trust this contractor for reliable diagnostic work and honest assessments, with particular praise for their willingness to explain repair options rather than automatically recommending costly replacements.
What distinguishes One Call Heating and Cooling from neighboring contractors is their commitment to transparent problem-solving and flexible solutions for aging equipment. Multiple reviewers highlight how technicians take the time to educate customers on system functionality, explaining furnace and AC mechanics in detail so homeowners understand what their units actually need. The company also offers a preferred maintenance program for ongoing customers, providing scheduled service and priority scheduling for members.
Customer reviews consistently name specific technicians who delivered exceptional service. Ross, a senior technician, fixed relay, fan, and thermostat issues for one homeowner while explaining compatible refrigerant options for an older unit that wasn't ready for replacement. Another reviewer praised Ross and Derek for arriving on time, working quickly, and refusing to charge for unnecessary repairs. Jason earned mentions for thorough furnace education and going the beyond-basic steps during maintenance calls. When installation had to proceed during bad weather, Mike's team completed the work with a fast turnaround and an extended return window for the homeowner.
What Customers Say
All seven featured reviewers awarded 5 stars, with three specifically notinghonest pricing and refusal to recommend repairs customers do not need. Technicians Ross, Derek, Mike, and Jason each receive named shoutouts for professionalism and communication quality.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–6 PM |
| TuesdayToday | 8 AM–6 PM |
| Wednesday | 8 AM–6 PM |
| Thursday | 8 AM–6 PM |
| Friday | 8 AM–6 PM |
| Saturday | Closed |
Services
AC Repair and Diagnostics
Technicians troubleshoot cooling system failures, replace faulty components like relays and fans, and identify refrigerant solutions for older units.
Heating System Service
Furnace repairs, maintenance, and comprehensive system education so homeowners understand how their heating equipment operates.
Thermostat Installation and Repair
Installation and calibration of thermostats including smart thermostat integration for improved climate control.
Preventive Maintenance Programs
Preferred membership program offering scheduled tune-ups, priority scheduling, and ongoing system health monitoring.
New Equipment Installation
Full installation services for new heating and cooling systems, completed even during challenging weather conditions.