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John's Heating & Air LLC

"Comfort Has No Season; It’s Year ‘Round"

About Us

Established in 1996, John's Heating & Air LLC has been providing top-notch HVAC solutions in Waynesboro, MS, extending its expert services to Buckatunna, Ellisville, Hattiesburg, Sumrall, and Meridian. As a trusted heating contractor, our family-owned business specializes in a full spectrum of heating and air conditioning services for both residential and commercial clients. We pride ourselves on delivering reliable HVAC services, precise ductwork, and swift emergency response to ensure your comfort year-round. Our team of certified professionals is dedicated to maintaining the perfect temperature for your spaces with efficiency and skill. Count on John's Heating & Air LLC for all your heating and cooling needs—where quality meets home comfort.

Areas Served

What We Offer

Our Specialties include:

Air Conditioning Repair & Maintenance
Heating System Installation & Repair
HVAC System Repair & Maintenance
Emergency HVAC Services
Ductwork Services

Our Services include:

HVAC Services: Keep your home or business comfortable year-round with comprehensive heating and cooling solutions. From system installations to repairs and seasonal maintenance, our licensed technicians ensure your HVAC equipment runs efficiently and reliably.
Duct Work: Breathe easier with expert duct services, including duct testing, cleaning, and ventilation support. We help improve airflow, enhance indoor air quality, and boost overall system performance with dependable ductwork solutions.
Commercial Services: We provide professional HVAC solutions for light commercial properties, offering dependable system repairs, installations, and maintenance to keep your business running smoothly and comfortably.
Residential Services: From heating and AC repairs to full system installations, our team delivers trusted residential HVAC services designed to keep your home safe, efficient, and comfortable in every season.
Emergency Services: When your heating or cooling system fails unexpectedly, we’re here to help. Count on fast, dependable emergency HVAC support to restore comfort when you need it most.

Testimonials

On 7/6/2026 joshua knutson had this to say:
I sent them a message on their site on a Sunday evening about my upstairs AC that died. Early Monday morning they had a couple of guys all bright eyed and bushy tailed at my door and fixed it lickity split, before I had even finished rubbing all my eye boogers out.

On 7/6/2026 Josh had this to say:
Sent them a msg on their site on a Sunday evening for my busted upstairs AC, they were here first thing the next day and had my AC up and running within an hour. I've never had service this fast for anything since I moved here. Testimonial written by Josh on this site.

On 7/3/2026 Chris R. had this to say:
John came and installed a mini switch at our house and was fast, efficient and did a terrific job. I highly recommend using John.

On 6/30/2026 Michelle Moody had this to say:
Whenever we have to have air/heating services of any kind we call on John’s Heat &Air! Reasonable prices, honest and dependable with courteous service. Have used them for our air/cooling needs for many years and will continue to do so. Thanks for being there when we need you! Air went out in little work building so they came out and installed this for me! It’s cooling down fast! :)

On 5/12/2026 Ralph Trigg had this to say:
Service was prompt and efficient. Technicians were very knowledgeable and completed the work in a timely manner.

Contact Us

John's Heating & Air LLC
721 Court St Waynesboro, MS 39367
Phone: (601) 735-3521
Email: johnshvacllc@yahoo.com

Payment Types Accepted

American Express, Android Pay, Apple Pay, Cash App, Debit Cards, Discover, MasterCard, Visa

Our Hours

Monday: 7:00 AM - 7:00 PM
Tuesday: 7:00 AM - 7:00 PM
Wednesday: 7:00 AM - 7:00 PM
Thursday: 7:00 AM - 7:00 PM
Friday: 7:00 AM - 7:00 PM

News

When temperatures rise, make sure your home stays cool and comfortable with help from John’s Heating & Air LLC.
✅ A/C tune-ups & maintenance
✅ Reliable repairs
✅ Efficient cooling solutions
Don’t sweat it—call the experts you can trust to keep your system running strong all season long! 💨

John’s Heat & Air is proud to celebrate 30 years of serving Waynesboro, MS and the surrounding area. For three decades, we’ve been committed to keeping our customers comfortable with dependable heating and air services you can trust. Thank you to our community for your support through the years. We look forward to continuing to serve you for many more to come.

FAQ

What areas does John’s Heating & Air LLC serve?

We provide HVAC services throughout East Mississippi, West Alabama, and the surrounding counties.

Do you offer emergency HVAC services?

Yes. John’s Heating & Air LLC provides 24/7 emergency service, ensuring customers can get help whenever needed.

Do you provide ductwork services?

Yes. We offer duct testing, duct cleaning, and other ventilation-related services to improve airflow and indoor air quality.