Business Background
For over twelve years, A & A Mechanical Heating & Air has been a trusted HVAC partner for Knoxville homeowners. We're a local team that genuinely loves solving problems and helping our neighbors stay comfortable. Our daily goal is to provide the best value and highest quality workmanship in the industry. We focus entirely on our customers' needs, offering expertise that consistently meets and exceeds expectations. From new installations to urgent repairs, we treat every home as if it were our own, building lasting relationships within the Knoxville community. We stand behind our work with a solid guarantee, ensuring your system runs reliably through every Tennessee season.
Key Services
- HVAC system repair
- Water heater repair
- Water heater installation
- HVAC installation or replacement
Frequently Asked Questions
As a Knoxville homeowner, what are the most common HVAC issues I should watch for?
In our Knoxville climate, two frequent issues we address are air duct leaks and dirty evaporator coils. Leaky ducts force your system to work harder, wasting energy and raising bills. Dirty coils, often from our local pollen and humidity, reduce efficiency and cooling power. Our team is experienced in diagnosing and sealing ductwork and performing thorough coil cleanings to restore your system's performance and improve your home's air quality.
How do I know if I need an HVAC repair or a full system replacement?
It depends on the age, repair frequency, and efficiency of your system. If your unit is over 10-15 years old, requires frequent repairs, or struggles to maintain comfort, a replacement might be the more reliable and cost-effective choice. We provide honest assessments, explaining the pros and cons of repair versus replacement for your specific situation in Knoxville, ensuring you get the greatest long-term value for your home.
What is involved in your water heater installation service?
Our water heater installation is a comprehensive service. We start by helping you select the right type and size for your household's needs. Our trained technicians handle the entire process: safe removal of the old unit, proper installation of the new one, including all plumbing and electrical connections, and a full system check to ensure safe, efficient operation. We focus on doing the job right the first time and back our workmanship with a guarantee for your peace of mind.
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |







