Over the years, we’ve worked hard to build solid, lasting relationships with both our employees and customers. From HVAC service to indoor air quality, our professional team from Allegiance Heating & Air, LLC will always be there for you, no matter what. You’re our first priority. We understand that it’s a lot to ask having a technician come into your home, so we take it upon ourselves to keep your home safe from harm, tailoring our service to suit your needs. Your needs will always come before our own.

We always want your heating and cooling systems to be running and functioning at their very best. Our slogan says, “Taking Home Comfort Under Our Wing,” for a reason.

With over a decade of experience in the home service industry, Allegiance Heating & Air, LLC has made a name for ourselves, so it’s no surprise that homeowners in Greenville choose us. Whether you’re in need of a heating system repair, HVAC maintenance, or HVAC installation, we won’t let you down!

We’re here to help you, offering high-quality HVAC services tailored to your needs. Whether you’re in need of a heating system repair, or a cooling system installation or replacement, we’re the team to call. We can also offer routine maintenance. Our technicians will make sure that your system is running smoothly. Not only will routine maintenance lower your utility bills, it will also be safer and extend the life of your equipment. At Allegiance Heating & Air, LLC, we’re always ready to tackle the job.