
Residential and Commercial HVAC Services
Oak Grove Heating & Air repairs, replaces, installs and maintains heating and cooling systems for homes and businesses in the Hattiesburg area.
Last updated
For Your Home
Service for heating and cooling systems in houses, rentals and new builds.
Heating Repair
Diagnosis and repair when your home has no heat, weak heat or a system that keeps shutting off.
Learn moreAir Conditioning Repair
Help when your AC won't cool, runs constantly or leaves your house feeling humid.
Learn moreHVAC System Replacement
Clear recommendations and estimates when an older system has reached the end of the road.
Learn moreNew HVAC Installation
Heating and cooling plans for new homes, additions and spaces your current system does not reach.
Learn morePreventative Maintenance
Twice-a-year care that helps catch small problems before they become breakdowns.
Learn more



For Your Business
Commercial-grade equipment installation and service, with contracts tailored to your building.
Commercial HVAC Repair
Service for business equipment, planned to keep disruption to a minimum.
Learn moreCommercial HVAC Installation
New construction, build-outs and replacement of aging commercial equipment.
Learn moreCommercial HVAC Maintenance
Personalized contracts with competitive pricing, based on your equipment.
Learn more



Agreements, Equipment and Payment
Service Calls
Our technicians inspect both your indoor and outdoor units and track down the root of the problem. Once it's pinpointed, they carry out the necessary repair for your home or business. Service calls come with a 30-day warranty, and parts are covered by the manufacturer's warranty.
Schedule a Service CallFree Estimates
Estimates are free for our local customers considering a new installation or a system replacement. If you're farther away, the visit is handled as a service call. If you go ahead with the installation, we remove that fee, or subtract it from your installation invoice if you've already paid it.
Request a Free EstimateNot Sure What You Need?
Call our team and describe what's going on. We'll point you in the right direction.
