• Your Single Source for Steam & Hydronic Equipment
  • Serving you with nearly 30 years of industry expertise.
  • Call (905) 361-0270 for info, quotations and orders.
  • Testimonials

  • Keystone Steam Supplies has been able to help hundreds of individuals since we opened our doors in 1988. The testimonials below have either been collected over email, in person or from our Google+ page.

  • I would recommend Keystone Steam Supplies to anyone looking for steam equipment or support, over the years working with Ron,his expert knowledge has always been helpful in locating various parts with multiple choices in product. This has allowed me too repair various equipment with little too no modification too existing system's and he is always helpful in making sure it is the right product for the right application.

    Garnet J.

  • Excellent customer service. Friendly, fast and more importantly, knowledgable service!

    Shawn R.

  • Keystone is conveniently located and has the products I need and in stock, 99.9% of the time! The service is quick and friendly.

    John G., Steamfitter

  • Keystone is always able to source the parts and equipment I need. Great service and price.

    Bob F., Steamfitter

  • I have been dealing with Keystone for 10 year. I can say it's a pleasure doing business with them. Service has been very great. They are the only supplier who will leave their office and go to the job sit just to please and serve their customers. Thanks!

    Garth C., Steamfitter