Become a Winsupply customer and open a credit account with us today!

Learn More

HVAC and Plumbing Design Specialists

Winsupply of Willimantic is the HVAC and Plumbing Design Specialists that assist contractors with layout and optimal designs of systems ranging from commercial projects to small additions. Our offerings include design/build, bid & spec, value engineering, on-site heat loss analysis, radiant heat layout, hydronic system design and much more. We often offer guidance with install and troubleshooting projects.  We are the HVAC and Plumbing Design Services specialists in Connecticut.

  • Hydronic System Design

    We have the knowledge, experience and expertise to help you with the perfect Hydronic System Design project.

  • Heat Loss Assessments

    Let our expert staff help you with Heat Loss Assessments for your project.

  • Radiant Heat Systems

    Contact us today for help with Radiant Heat Systems.

  • Free Underground Utility Takeoffs

    Have a set of plans but no time to come up with your material list? Send us your plans and we can produce a material list and quote for any type of job.

  • Water Heater Delivery

    We offer commercial water heater delivery.

Find out more about our Services

    If you click the checkbox we will add your email above to our mailing list.