Callahan Heating and Cooling

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About Callahan Heating and Cooling
Callahan Heating and Cooling serves Nixa, Missouri as a residential HVAC contractor holding a 5.0-star average across six client reviews. The business maintains round-the-clock availability across all seven days of the week, ensuring homeowners can reach emergency support whenever system failures occur. Operating from Nixa, the company directs its service focus toward local residential properties, addressing the climate control needs specific to this Ozarks community.
The available review content reveals consistent patterns in how this contractor approaches service delivery. Reviewers describe receiving maintenance packages that include performance adjustments at no additional cost, with technicians taking time to explain system operations and answer homeowner questions. One account details how a team member walked through airflow improvement strategies for a specific zone within the home, while another highlights an installation process marked by attention to detail and post-installation education on proper system use.
Customer experiences documented in the reviews feature technicians named Ryan and Miranda. One reviewer recounts a two-year relationship with the maintenance program, noting the technician consistently makes performance-improving adjustments during scheduled visits. Another describes a service call focused on optimizing HVAC performance for a particular area of the residence, highlighting the team member's persistence in achieving peak system function. These accounts reflect a service model built on ongoing relationship maintenance rather than one-time repairs.
What Customers Say
All six reviews award five stars, with three-quarters of reviewers highlighting the maintenance plan value and technician willingness to explain system operations. Two named technicians appear across multiple reviews: Ryan receives mention for performance adjustments included with the service plan, while Miranda is cited for airflow optimization work.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| WednesdayToday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
HVAC Maintenance
Yearly service plans with performance adjustments included at no extra charge.
HVAC Repair
Emergency repair services available around the clock, including same-day arrivals.
Airflow Optimization
Targeted adjustments to improve airflow to specific areas or zones within the home.
HVAC Installation
New system installations performed with attention to detail and post-installation homeowner education.
System Performance Tuning
Diagnostics and adjustments to improve heating and cooling system efficiency.