D&R Mullins Cooling& Heating

D&R Mullins Cooling & Heating operates as a heating and air conditioning contractor serving Morristown, Tennessee, and nearby communities. The business holds a perfect 5.0-star rating across seven verified customer reviews, reflecting consistent service quality in residential HVAC repair and maintenance. Operating hours span Monday through Friday from 7 AM to 5 PM, with Thursday offering around-the-clock availability for customers requiring urgent assistance.

This contractor distinguishes itself through rapid emergency response, a quality evident across multiple reviewer accounts. Customers report receiving same-day or next-day service even during evenings and weekends, with one reviewer noting a Saturday afternoon call resulted in arrival within two hours. The team handles diverse repair scenarios including motor replacements, electrical troubleshooting, and system diagnostics without resorting to unnecessary work.

Customer narratives underscore responsive, thorough service. One reviewer described a heat system malfunction involving a faulty breaker that required methodical diagnosis, with the technician taking time to explain each diagnostic step. Another account highlighted a motor replacement completed ahead of schedule, with the technician assisting with unrelated tasks during the service visit.