Cosby Heating and Cooling

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Claim This BusinessAbout Cosby Heating and Cooling
Cosby Heating and Cooling has earned a 4.9-star average across 521 detailed reviews, establishing the company as a trusted heating and cooling resource for homeowners throughout Mount Vernon and the broader Knox County region. Operating on a 24-hour basis across all seven days, the contractor maintains full licensing and carries comprehensive insurance coverage, ensuring that residents can access service whenever weather emergencies arise. The company serves primarily residential customers, handling everything from routine seasonal maintenance to complete system replacements for furnaces and cooling equipment.
What distinguishes Cosby Heating and Cooling from neighboring contractors is the depth of technical expertise visible across customer feedback. Multiple reviewers specifically mention working with technicians who arrive with parts already stocked, suggesting well-equipped service vehicles and strong supply chains. The company handles boiler systems with a specialization that contrasts sharply with many regional competitors who focus solely on forced-air heating. Several customers noted that Cosby technicians performed follow-up visits weeks after initial repairs, demonstrating a commitment to verifying long-term solutions rather than just short-term fixes.
Customer stories reveal a pattern of responsiveness during difficult conditions. One reviewer described calling Cosby during the coldest stretch of winter when their furnace failed completely, and a technician arrived by 10:00 the following morning despite the after-hours request. Technicians named in reviews include Levi, who diagnosed a frozen condensation drain line that the homeowner had not considered, Joe, who redesigned ductwork to resolve an air-return bottleneck, and Andrew, who completed an annual boiler service immediately following a repair. This combination of rapidemergency response and thorough diagnostic work appears consistently across multiple five-star reviews.
What Customers Say
Every one of the seven excerpted reviews carries a five-star rating, with four reviewers naming specific technicians who resolved problems others could not diagnose. Three reviewers explicitly mention emergency or after-hours service, with one noting same-day arrival during extreme cold. Pricing receives no negative mention in available reviews, while multiple reviewers cite reasonable costs for skilled work.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Furnace Repair & Replacement
Complete heating system diagnostics, repair, and new furnace installation for residential homes.
Air Conditioning Service
Cooling system maintenance, repair, and AC unit replacement for summer comfort.
Boiler Installation & Repair
Specialized boiler servicing including annual maintenance and emergency repairs.
Ductwork Design & Redesign
Custom duct modifications to improve airflow and resolve ventilation bottlenecks.
24-Hour Emergency Service
Round-the-clock availability for heating and cooling emergencies regardless of time or day.
Seasonal Maintenance Tune-Ups
Preventive twice-yearly servicing for both heating and cooling systems to ensure reliable operation.