The Name & Service
You Can Trust
Whether you need a furnace or air conditioning repair, ventilation service, gas line work, fireplaces installation, ductwork, or any other HVAC service, we are competent to resolve just any kind of issue you throw at us. Contact Us About Us
24/7 Emergency Commercial HVAC Repairs & Services With our 24/7 emergency HVAC repairs & services, you can get back to enjoying a comfortable and functional furnace, heating, and air conditioning system. Contact Us About Us Industrial, Commercial or Residential new HVAC Installations At A-S Heating Cooling we know that installation is the single most important variable in determining heating and cooling machine performance. Contact Us About Us Rooftop Units for Industrial, Commercial and Retail Shopping Plazas and Malls We install, repair and maintain all kinds of Rooftop Units. Contact Us About Us

Air Conditioners

Is your air conditioner not working? We repair all air conditioners, install efficient new central AC Units and do maintenance checks.


Whether you need furnace repairs, expert installation of a new furnace, or a tune-up to help your furnace perform its best. Give us a call and our expert team will be there to help you.

Water Heater

Need help with your water heater. If it’s time for a new water heater, we’ll help you decide which is right for you: a water tank or a tankless water heater.

Professional Heating, Air Conditioning, Furnace Repair & Other HVAC Services in Greater Toronto & Surrounding Areas


Commercial & Residential Heating & Cooling Services

Our Commercial HVAC Services include but are not limited to:

Whether it’s a complete system breakdown or a minor repair, our commercial HVAC experts will tackle the problem to ensure that your building’s systems operate smoothly and efficiently.

Our Residential HVAC Services include but are not limited to:

We offer complete heating and air conditioning services in the GTA and surrounding areas. From new installation to repair services, our experts have all your emergency HVAC needs covered.

You can save big when you purchase a yearly maintenance plan. You get regular tune-ups for a special price and so much more.

Emergency HVAC Repair Services in

GTA and Surrounding Area

Regions We Service

  • Bramalea
  • Brampton
  • Burlington
  • Caledon
  • Castlemore
  • Clarkson
  • Concord
  • Dundas
  • Erin Mills
  • Etobicoke
  • Georgetown
  • Hamilton
  • Heart Lake
  • Lorne Park
  • Maple
  • Meadowvale
  • Milton
  • Mississauga
  • Oakville
  • Peel Village
  • Stoney Creek
  • Streetsville
  • Toronto
  • Vaughan
  • Woodbridge