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Air Conditioning
AC diagnostics, repairs, system replacements, and energy-efficient installations.
Proudly serving Hattiesburg & the Pine Belt
Reliable comfort.
Service you can count on.
From air conditioning repairs and new HVAC systems to standby generators and electrical work, Cannon Heating & Air Service LLC is here when you need us.
✓ Heating & Cooling✓ Generator Services✓ Maintenance Plans✓ Emergency HVAC Service
What we do
Complete home & business comfort solutions
Professional service for the systems that keep your property comfortable, powered, and running smoothly.
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Heating & Heat Pumps
Heat pump service, heating repairs, and dependable comfort during colder weather.
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Generac Generators
Standby generator installation, maintenance, and service for backup power.
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Preventive Maintenance
Routine inspections, coil cleaning, drain care, and performance checks.
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Electrical Services
Electrical repairs and installations to help keep your home or business functioning.
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Mini-Splits & Water Heaters
Ductless heating and cooling solutions plus efficient water heater options.
Your local service team
Local expertise. Straightforward service.
At Cannon Heating & Air Service LLC, we help homeowners and businesses across Hattiesburg and the Pine Belt solve comfort and equipment problems with practical recommendations and dependable workmanship.
Whether you need a quick repair, a new system, or a long-term maintenance partner, we're ready to help.
Get in TouchWhy choose Cannon?
- Local service focused on the Pine Belt
- Residential and commercial HVAC solutions
- Generator and electrical service options
- Maintenance programs to help prevent breakdowns
- Emergency heating and cooling support
Protect your investment
Maintenance that helps prevent costly surprises.
Our maintenance services are designed to keep equipment operating efficiently and help identify small problems before they become bigger repairs.
Ask about residential plans and quarterly commercial service agreements.
Ask About MaintenanceMaintenance visit highlights
- System inspection and performance checks
- Refrigerant pressure and operating checks
- Electrical components and motor inspection
- Coil and condensate drain maintenance
- Filter service options
Service scope varies by equipment and agreement.
Need help now?
Don't wait for a small problem to become a big one.
Tell us what's going on with your heating, cooling, generator, or electrical system. We'll help you take the next step.
Request Service TodayContact us
Let's get your system taken care of.
Serving Hattiesburg, Mississippi, and surrounding Pine Belt communities.
Fill out the request form to prepare an email to our team. Submitting opens your email app with your service request ready to send.
For urgent issues, call (601) 942-3292. Email requests are not monitored for emergencies.
Call: (601) 942-3292