About A & J Heating and Air Conditioning

Since 1982, A & J Heating and Air Conditioning has been the trusted, locally owned choice for reliable comfort in Knoxville, Heiskell, and surrounding East Tennessee communities. With over four decades of experience, the company specializes in residential services and comprehensive commercial HVAC work, keeping local businesses running efficiently. Whether a new system installation tailored to a property, routine maintenance, fast diagnostics, or complex repairs is needed, the crew delivers quality workmanship with upfront integrity. The technicians are polite, respectful, and mindful of the space, working quietly so you can continue to work from home. Issues were diagnosed within minutes and repairs were made quickly. The crew is honest, professional, and dependable, always quick to respond and show up when they say they will, making you feel like a priority. Many give 10 stars if possible, and praise the smooth process and new systems installed in less than two days. Call A & J at (865) 556-6780 to discuss a project.

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Reviews for A & J Heating and Air Conditioning

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  • Jul 2026

    I can’t recommend A&J enough! This crew is simply the best. I have needed their services on both my aging AC and furnace at separate times. They respond to messages very quickly and come out very fast. The issues were diagnosed within minutes and repairs were made quickly. They are honest and professional! I would give 10 stars if I could!

  • Jul 2026

    We’ve had a great experience with this company! They’re always quick to respond, dependable, and make us feel like a priority whenever we need them. It’s such a relief knowing we can count on them to show up when they say they will and get the job done right. They’re honest, professional, and provide excellent customer service. We highly recommend them to anyone looking for reliable heating and air service around Knoxville.

  • Jun 2026

    Outstanding experience! The technicians were incredibly polite, respectful, and mindful of my space. They were quiet while working, which allowed me to continue to work from home during the process. They quickly diagnosed the issue and had my system running perfectly in no time. Highly recommend this team!

Hours

Monday: 8AM - 5PM
Tuesday: 8AM - 5PM
Wednesday: 8AM - 5PM
Thursday: 8AM - 5PM
Friday: 8AM - 5PM
Saturday: 8AM - 5PM
Sunday: 8AM - 5PM

Location

9719 Crisman Rd, Heiskell

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