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50+ Years
experience
Emergency
services
Your Trusted Knoxville HVAC Experts Since 1945
John H. Coleman Co has been serving Knoxville, TN since 1945, establishing itself as the oldest heating, cooling, and electrical contractor in the city. As a locally and family-owned business, we prioritize quality customer service and workmanship across HVAC, electrical, and plumbing services. Our team of licensed, bonded, and insured professionals offers 24/7 emergency services, free estimates, and maintenance plans. With decades of combined experience, we specialize in residential and commercial solutions including air conditioning repairs, furnace services, electrical installations, and plumbing maintenance.

Our commitment to 100% satisfaction guarantees ensures transparent pricing with no trip charges for Coleman Care Agreement holders. We maintain strong community ties through our long-standing reputation and focus on exceeding customer expectations through expert installations and prompt service.
Services
HVAC Repair Electrical Services Plumbing Maintenance Coleman Care Plans Indoor Air Quality
Details
  • Year established: 1945
Highlights and features
  • We've served Knoxville since 1945 with continuous family ownership
  • Our team offers 24/7 emergency HVAC, electrical, and plumbing services
  • We provide free estimates with no hidden trip charges
  • Technicians maintain 100% satisfaction guarantee on all work
  • Preferred dealer for Lennox, Mitsubishi, and Generac equipment
What people say
24/7 emergency response Expert technicians Satisfaction guarantee Free estimates Family-owned reliability
Services
HVAC Repair
Our HVAC repair services maintain optimal comfort in Knoxville homes and businesses. Technicians handle all brands including emergency furnace and AC repairs. With 80 years of local experience, we guarantee same-day diagnostics and transparent pricing for residential and commercial clients.
Electrical Services
We provide comprehensive electrical solutions from outlet repairs to whole-home surge protection. Our licensed electricians install lighting systems, EV chargers, and backup generators while maintaining safety compliance for residential and commercial properties.
Plumbing Maintenance
Our plumbing team handles repairs, installations, and maintenance for residential and commercial clients. Services include drain clearing, water heater replacement, and filtration system installation with emergency plumbing support available 24/7.
Coleman Care Plans
Preventative maintenance agreements cover HVAC, electrical, and plumbing systems. Benefits include priority scheduling, discounted repairs, and waived service fees. Plans help extend equipment lifespan while ensuring optimal system performance year-round.
Indoor Air Quality
We improve indoor environments through air purification systems, dehumidifiers, and ventilation solutions. Our specialists diagnose air quality issues and install HEPA filters, UV lights, and energy recovery ventilators for healthier living spaces.
People
Buddy
Owner
Owner since 1995 with HVAC industry experience since 1992. Oversees company operations while maintaining community involvement. Prior sales team leadership built foundation for current business success.
David Y.
Services Manager
20+ years HVAC industry experience including 15 years at John H. Coleman Co. Manages service operations with prior technical and management roles. Enjoys motorcycling and family time.
Chris F.
Sales Manager
Joined in 2017 after warehouse and teaching roles. Manages sales team with focus on customer relationships. Active in local sports and family activities.
Brandon
Operations Manager
IT and controls specialist with 15 years at the company. Manages software systems and service teams. Enjoys gaming, cycling, and flea market finds.
Virgil
Controller
35+ years accounting experience ensuring financial accuracy. Maintains meticulous financial records while enjoying fishing and auction treasure hunting.
Questions
What HVAC services do you offer in Knoxville?
We provide complete HVAC solutions including AC repair, furnace service, heat pump installation, and mini-split systems for residential and commercial properties.
Are emergency services available after hours?
Yes, our 24/7 emergency service responds to HVAC, electrical, and plumbing crises at any time with no trip charge for agreement holders.
Do you offer maintenance plans?
Coleman Care maintenance agreements include seasonal system checks, priority scheduling, and repair discounts for HVAC, electrical, and plumbing systems.
What payment methods do you accept?
We accept major credit cards, checks, and financing options for approved customers. Payment terms discussed during service estimate.
How quickly can you respond to service requests?
Emergency calls receive immediate attention. Routine service scheduled within 24 business hours with same-day availability when possible.
Are your technicians licensed and insured?
All technicians maintain proper licensing and insurance. Background checks and ongoing training ensure quality service and customer safety.
Reviews (3)
Robert Parlon
Oct 21, 2018 Report
Replaced 1990s vintage heating and air conditioning units. Installation crew was great, two ac units one heating unit two thermostats, and two allergy filter units replaced. Work only took two days, crew was neat and left site cleaner than they found it. Also got a discount by ordering thru Costco.
Tanya Twaddell Pike
Jun 03, 2018 Report
My very old system finally broke down altogether so I knew I would need to replace it. My sister, a real estate agent, had used these guys in the past and said they were honest.so I called them. Jason came out to look at my system To see what was needed. He was extremely nice and gave me a good price on a new system. The crew was scheduled quickly and they did a great Job. I highly recommend them!
Linda Judge-McRae
Jan 07, 2017 Report
A big thank you to John H. Coleman company! Our upstairs heat went out last night. I left a message last night for someone to call me first thing this morning. I received a call at 7:30 am that a technician was on the way. Heat was back on before 9:00 a.m. We highly recommend the Comfort Care program.