A-1 Certified Service, Inc.
Business hours
| Monday | 8:00am to 4:30pm |
| Tuesday | 8:00am to 4:30pm |
| Wednesday | 8:00am to 4:30pm |
| Thursday | 8:00am to 4:30pm |
| Friday | 8:00am to 4:30pm |
| Saturday | - |
| Sunday | - |
About us
A-1 Certified Service, Inc. is a trusted HVAC service provider based in Knoxville, TN, committed to delivering top-quality heating, cooling, and air quality solutions. Specializing in comprehensive HVAC services, including system installation, repair, and maintenance, we also offers expert duct cleaning and insulation services to ensure energy efficiency and indoor comfort. With a focus on reliability and customer satisfaction, we serve clients throughout Knoxville, providing personalized solutions to meet their specific heating, cooling, and air quality needs.
Providing Quality Service for Your Comfort
| Payment options | American Express, Cash, Check, Discover, Financing, MasterCard, Visa |
| Year established | 2000 |
| Languages | English, EnglishAustralian, EnglishGreatBritain |
| Specialties | Residential HVAC Services, Commercial HVAC Services, New Construction HVAC Services |
| Brands | Daikin |
| Products | HVAC Systems, Air Conditioners, AC Units, Heat Pumps, Furnaces, Ductless Units, Mini-Split Systems, Insulation, Thermostats |
| Services | AC Repair, AC Replacement, AC Installation, AC Maintenance, Heating Repair, Heating Replacement, Heating Installation, Heating Maintenance, Heat Pump Repair, Heat Pump Replacement, Heat Pump Installation, Heat Pump Maintenance, Indoor Air Quality Services, Duct Cleaning, Insulation Installation, Air Filter Replacement, Ductless Installation, Ductless Repair, Ductless Replacement, Ductless Maintenance, Mini Split Installation, Mini Split Repair, Mini Split Replacement, Mini Split Maintenance |
| Video | https://www.youtube.com/watch?v=HITJaBcLbNA |
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