Mackinaw Supply is a wholesale house dedicated to providing professional heating contractors with quality hydronic heating products, outstanding service and excellent prices.

To purchase from Mackinaw Supply we only ask that you fill out the Contact Form so we can enter your company information into our database. When you submit your contact form, we will send you a user name and password for accessing the Mackinaw Supply Price Page.

For a sample of our excellent prices, Information Contact Form and Price Page Log In, please click the links at the top.

If you are not a professional heating contractor but would like to access some of our top notch products at discount prices, you may visit quality retailer advertised below.