Need Help Now?

Call our 24 hour Emergency Line to schedule an immediate appointment.

Need Help Now?

Call our 24 hour Emergency Line to schedule an immediate appointment.

Trust An Experienced Local Company To Bring Heating And Cooling Services To Your Home

Looking for reliable heating and cooling services? Old Line Heating & Air has got you covered! Our certified technicians offer top-notch HVAC solutions for your home or business. We install new air conditioning and heating systems including ductless systems. We install tankless water heating systems as well. We also offer maintenance services on all types of hvac systems. Keep your indoor comfort at its best with our services.

At Old Line Heating & Air, we focus on your family’s comfort. Our technicians have decades of experience in commercial and residential services. We can provide solutions to optimize your HVAC performance and save on costs. Contact us today for dependable and efficient heating and cooling services.

Air Conditioning Installation

Air conditioning installation & maintenance is what we do.

Heating Installation

Dependable & efficient heating services.

Air Quality Testing & Service

Breathe cleaner after our indoor air quality testing.

Ductwork Installation

Duct installation services for residential & commercial.

Maintenance Plans

Keep your hvac running smoothly with our maintenance plans.

Need Help Now?

Call Our 24 Hour Emergency Line

Request A Callback

Name(Required)
One Off Repairs
Care Plan | HVAC Maintenance Plans
HVAC Installations

Call Us Today

We are here for all of your HVAC needs!