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Serving Knoxville, TN, and the Surrounding Counties

Heating and Air Conditioning Services

Save $100 on Equipment Replacements

All Work Guaranteed

24/7 Emergency Services

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Experience the Difference With Neilson Heating & Air Conditioning

Neilson Heating & Air Conditioning, a veteran-owned business based in Knoxville, TN, has been serving the community and surrounding counties since 1978. With over 50 years of experience, we are heating and air conditioning experts. Our fully licensed, bonded, and insured team ensures the highest level of service. We sell and service all brands, making us a one-stop solution for all your heating and air conditioning needs.

As a locally owned and operated business, we know the unique needs of our community. We offer 24/7 emergency service and work with insurance companies to ensure our customers have the best possible experience. We pride ourselves on our honesty, quality of work, and excellent customer service. At Neilson Heating & Air Conditioning, we treat our customers like family. Contact our professionals today for an estimate on our services.

Why Choose Neilson Heating & Air Conditioning?

Choosing Neilson Heating & Air Conditioning means choosing a company that guarantees its work. We offer free estimates and discounts for veterans, police, and firefighters as a token of our appreciation.


Our commitment to honesty and quality is evident in every job we undertake. We are not just a service provider; we are a partner in ensuring your comfort and safety. Experience the Neilson difference today.

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We Work With Insurance Companies

Veteran, Police, and Firefighter Discounts

Save $100 On All Equipment Replacements

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Free Estimates On System Replacements

Save $20 On Your Next Service Call

We Guarantee Our Work

Residential Heating and Air

We provide comprehensive heating and air conditioning services for residential properties. Our team is dedicated to ensuring your home is comfortable year-round.

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Commercial Heating and Air

Neilson Heating & Air Conditioning specializes in commercial heating and air conditioning services. We understand the unique needs of businesses and offer tailored solutions.

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Here's what our satisfied customers are saying...

At Neilson Heating & Air Conditioning, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Neilson Heating & Air Conditioning and let others know what you think.

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Neilson Heating & Air Conditioning

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