Stay Cozy and Save Big with S&L Prime A/C & Heating Systems


The Best HVAC Service You Can Get

S&L Prime is a family-owned and operated HVAC company proudly serving Baltimore County, Harford County, and surrounding areas with professional heating and air conditioning services. We are proud to be a Mitsubishi Diamond Elite Contractor and provide repairs and installation for ductless, as well as conventional, heating and cooling systems.

Our 30+ years of experience in the industry and unwavering dedication to keeping people safe and comfortable indoors allow us to provide both residential and commercial Maryland customers with high-quality repairs, installations, custom ductwork, and energy-efficient heating and cooling solutions at an affordable price.

“Trane”ing Up The Next Generation!

Brands We Service & Install in Maryland

Mitsubishi Zoned Comfort Systems – Single and Multi-Zoned

A/C & Heat Pumps – Trane, Rheem, Goodman, and more.

Furnaces – Trane, Rheem, Goodman, Ducane, and more.

Don’t see your HVAC system’s manufacturer above?

Give us a call! It’s our goal to do everything we can to provide every one of our customers with the heating and cooling system services they need.

Rebates & Discounts

Who doesn’t love to save money? As certified and preferred HVAC contractors, we get great opportunities to offer our customers money-saving opportunities by way of:

  • BGE Energy Savings Rebates
  • Seasonal Discounts
  • Equipment Rebates
  • Extended Manufacturer’s Warranties

FREE In-Home Consultations

Whether your home or workplace’s current heating and cooling system is aging and inefficient, or you’re interested in the many benefits of ductless HVAC equipment, we’re happy to schedule a visit to your home at your convenience in order to discuss your needs and desires with you. Our Maryland HVAC experts can answer any and all of your questions regarding equipment, manufacturers, the installation process, and more.

carrier brand heating and cooling systems