Ph. (601) 765 - 5080   |   Fax (601) 765 - 5090

Keys Heat and Air, Inc. is centrally located in Collins, MS, and specializes in heating and air conditioning service for both residential and commercial clients. 





HVAC Service 




About Us


We are a local company, family-owned and operated. 

You’ve made an important and wise decision.

Hiring the right HVAC professional for your service, installation, or project can mean the difference between headache and hassle-free.

We are fully licensed and insured, with over 30 years' experience in the HVAC industry. With dozens of large-scale construction projects under our belt, we have a history of providing affordable construction, on schedule. And with thousands of residential customers, we really do provide the service you expect for your home.

Whether you're a home owner, general contractor, or a developer, we can help.

We are centrally located in Collins, Mississippi, and specialize in providing excellent HVAC services to homes and businesses across south Mississippi. 

​We are a family-owned and operated business, with a commitment to community, customer service, and quality work.

‣  Mechanical contracting 


We specialize in home heat and air service, providing years of experienced maintenance across the Pine Belt. No matter the problem, we can help. Check out our services page, or give us a call today. 


Your home is an investment. A properly maintained HVAC system is important to ensuring efficient electricity use - and equity. We're here to help. Check out our resource center or schedule regular maintenance today.

 New home central heat and air installation

 Convenience store refrigeration services

‣  Canopy lighting installation, repair, and removal

 Convenience store services

 Moving and insurance claims

 Home and commercial maintenance programs

‣  HVAC diagnostics

‣  Gas furnace installation and repair

 Residential heating and air service

A licensed mechanical contractor providing

Keys Heat and Air, Inc.

103 Ora Street

Collins, MS 39428

Quality, affordable HVAC construction.

Service you expect.

We offer mechanical contractor expertise, including new HVAC construction, fit-ups, maintenance contracts, convenience store services and more. View examples of our quality work here. Contact us for a quote on your next project. 

 Ice box and ice maker installation and repair