DMA Heating and Cooling Systems Can Help

Let us keep you cool!

About Us

Reliable HVAC and Hydronic Design

At DMA Heating and Cooling Systems we serve Engineers and Architects with product selections, design assistance and expert product knowledge, and Mechanical Contractors with the best products at the best price.

Individualized HVAC Options

We will work with you to find HVAC solutions that fit your building's heating and cooling needs. Every occupied space has unique needs, and DMA Systems has the unique products to meet the heating loads, cooling loads and occupant's thermal comfort.

Customer Satisfaction Guaranteed

We serve both residential and commercial clients and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to delivering  exceptional service to provide you with a top quality sales experience.


Advanced Industrial Refrigeration

  • Modular Chillers
  • Heat Recovery Chillers
  • Packaged Air Cooled Chillers
  • Seed Dryers
  • Heat Pump Ventilators
  • Pool Dehumidifiers


  • Packaged Air Cooled Chillers (2-30 Tonnes)
  • Packaged DX Condensing Units (2-10 Tonnes)
  • Modular Water Cooled Chillers
  • Heat Recovery Chillers
  • Air-Water Heat Pumps


  • AquaHEAT PEX-A Oxy Pipe
  • AquaFLOW PEX-A Plumbing Pipe
  • TerrePEX Pre-Insulated Pipe
  • PEXGOL Industrial PEX (4"-24")
  • Radiant Floor Heating
  • Radiant Ceiling Cooling
  • Snow Melting


  • Anti-Microbial Cooling Towers
  • Induced Draft Cooling Towers
  • Forced Draft Cooling Towers


  • Trench Heaters
  • Perimeter Convectors
  • Unit Heaters
  • Cabinet and Cassette Fan Coils


  • Brazed Plate Heat Exchangers
  • Double Wall DHW Heat Exchangers
  • District Heat/Cool Heat Exchangers
  • Process Plant Heat Exchangers


  • Condensing Heating Boilers
  • Combi Condensing Boilers

Ground Controls

  • Custom Unitary Controls
  • Custom BACnet Unitary Controls
  • Radiant Floor Heating/Cooling Controls
  • EMCS Building Management
  • BACnet Touchscreen Thermostats


Send Message

DMA Heating and Cooling Systems

251 Queen Street South, Unit #117, Mississauga, Ontario, Canada

(647) 648-4778


Monday - Friday: 8am - 6pm

Saturday - Sunday: By appointment only