About Us

Thank you for your interest in Janesville Winsupply; a part of Winwholesale.  Winwholesale is a leading supplier of plumbing, HVAC and industrial supplies; with over 500 locations nationwide.

We practice a unique business model that combines local ownership with corporate backing.  This allows us to stock the products that you want and maintain a good relationship with our vendors; insuring you  the best pricing and customer service.  All of our decision making is done in house.  This allows us to employ a dedicated staff devoted to problem solving and providing you with a prompt response to all of your inquiries.  We also provide valuable, time saving, specialty services such as bid specification quotes, system design and load calculations for both hydronic and forced air systems.

Our newly enhanced website allows you to check stock, pricing and place orders 24 hours a day.

Can't find what you are looking for or need a job quote?

Give us a call at 800-784-4746 or 608-752-4746 M-F between the hours of 7:00-5:00.