• Buy Ducane A/C Units & Earn Cabela’s Gift Cards

    Buy 2 select Ducane Air Conditioners and get a $75 Cabela’s gift card. Offer expires August 31, 2021.

    See Full Offer Details

  • Christmas in July

    Naughty or Nice – Everyone Gets a Special Price on these Hot HVAC Products!

    Hurry, special pricing ends July 30, 2021.

    IBC Honeywell Home RGF Nu-Calgon Yellow Jacket Ecobee Nest

    Start Saving

  • Daikin Roof Tops

    Stocked in our Madison, Oak Creek and Twin Cities branches. See your First Supply Sales Rep. or call your local HVAC team for more details and availability. See full details.

    • Madison (608) 222‑7799 • Oak Creek (414) 764‑6900 • Twin Cities (651) 636‑1240

  • First Supply – In the palm of your hand.

    Our mobile app makes it even easier to find the HVAC, Plumbing, PVF and Hydronics supplies you need.

    Learn More

  • Order easier on FirstSupply.com

    + No delivery fees by First Supply Truck

    SEARCH  ›  ADD TO CART  ›  CHECK-OUT

    Quick Order

Kohler Inventory Clearance Sale! Prices Below our Cost! Quantities limited. All sales final.

See Whirlpools

HOT Indoor Air Quality Products!

See Them All

Personal Protective Equipment (PPE) Masks

Buy Now

Featured Categories

Shop All Categories
Water Heaters
Faucets
Toilets, Urinals & Parts
HVAC Equipment
Pumps
Hydronics
Pipe, Tube & Hose Fittings
Pipe, Tubing & Hoses

Featured Manufacturers

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  • Gerber
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    A.O. Smith
  • Elkay
    Daikin
    Anvil
    Kohler
  • NIBCO
    Sioux Chief
    Reliance Worldwide
    Sloan
  • A.O. Smith
    Gastite
  • Uponor
    Goulds Water Technology
  • Milwaukee Tool
    Kohler
  • IBC
    NIBCO
  • Gerber
    Snappy
  • Apollo Valves
    Elkay
  • Kohler
    Daikin
  • Anvil
    Sioux Chief
  • Reliance Worldwide
    Sloan

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Meet the team

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28 upper Midwest locations. Find a store near you.

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Serving the Upper Midwest for over 120 years

First Supply is a single-source distributor providing building contractors and industrial customers in the Midwest with a huge selection of plumbing, HVAC, municipal, well & septic, waterworks, PVF and industrial supplies. Find it all – in stock and ready to ship!

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