2074 River Rd., London, ON N5W 6C2

24-hour emergency service

Professional Service

A-1 Stop Shop Heating & Cooling is the professional HVAC company serving residential and commercial clients in the London, St. Thomas, and surrounding areas.

Give Us A Call Today

Welcome to A-1 Stop Shop Heating & Cooling: Your Heating Contractor in London

A-1 Stop Shop Heating & Cooling are your trusted air conditioning and heating contractor in London. Keeping your HVAC units in good shape is our job. Whether you need your air conditioning to keep you comfortable during the summer or your furnace to make sure you’re warm in the winter. We are able to offer repair and maintenance on all makes of units for both residential and commercial clients. We use Canadian-made equipment and Canadian manufacturers in as much of our work as possible.

We offer exceptional service – guaranteed. Not only are we committed to high-end service, we also offer 24-hour emergency service so you can take advantage of our expertise at a time that is most convenient for you.

We are one of London’s most experienced and professional HVAC contractor’s. Give us a call today to request a quote.

We are authorized dealers of:

The businesses that are part of our company include:

  • DuCharme Systems

  • Mitro Sheet Metal

  • Orchard Heating

  • Roberts Brothers Sheet Metal

  • HAP Heating and Air Conditioning

  • GAS Associated Systems

No High-Pressure Sales

A-1 Stop Shop Heating & Cooling is a non-commission-based business so you will never be pressured to buy something you may not need. If your furnace or air conditioner can be restored to working order through repairs instead, we’ll tell you.

Professional Affiliations

  • North American Technical Excellence (NATE) Quality Circle Contractor
  • CSA Group
  • Ontario Power Authority
  • RSES
  • Energy Star
  • Snap Financial
  • Technical Standards and Safety Authority (TSSA)

HVAC Services

From residential installation to commercial maintenance, we do it all.

No Sales Pressure

We offer a wide range of products.


A-1 Stop Shop Heating & Cooling

2074 River Rd.

London, ON Canada

N5W 6C2

Phone: 519-452-1151

Fax: 519-452-3646

Email: a1stopshop@rogers.com


Office: 8:00 AM – 4:00 PM

24-hours emergency service

Service Area

  • London and surrounding area
  • St. Thomas


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