Janesville Winsupply Co.

10/25/2026

🥳 Happy Birthday to Steve Schultz, our Purchasing Manager / Inside Sales pro! We hope you're having an awesome b-day weekend, Steve! 🎂

10/22/2026

HVAC pop quiz! 📝❄️🔥

How well do you know the industry? Nu-Calgon put their office to the test with a few HVAC trivia questions. Play along and see how many you can get right! 👇

10/20/2026

Nothing like fixing someone else’s “good enough.” 😾🔧 Quality products matter. Stock up on RectorSeal for the next install.

10/15/2026

Contractor: “When was the last time you changed your filter?”
Homeowner: 🤷

😂 Keep the right filters on hand and save yourself, and the system, the extra work.

Yeah what he said, change your filters! Dirty filters can make even the most well-engineered system struggle to heat and cool your home efficiently.

10/12/2026

Have you ever thought about what goes into making fiberglass? 🤔 From insulation to duct wrap, there’s a whole lot of science behind the products HVAC pros work with every day.

10/08/2026

Winter is closer than it appears. 👀❄️

The temperatures might feel pretty good now, but heating season will be here before you know it.

Now’s the time to make sure you’re stocked and ready for those first cold calls. From heating equipment and replacement parts to filters, thermostats and everyday HVAC supplies, we’re here to help you prepare for the season ahead.

10/06/2026

According to our calculations… preventative maintenance is always a smart move. 🔧 Stay ahead of heating season and get those systems ready for the cold.

A little maintenance today keeps the high bills away. See why an HVAC tune-up can be worth every penny at https://bit.ly/3SsEGaR.

10/01/2026

Other stores are stocking pumpkins, mums, and spiced candles. 🎃

Our version of fall prep looks a little different…Furnaces, thermostats, filters, ductwork, and water heaters…the 𝑟𝑒𝑎𝑙 fall essentials.🔥

Who’s ready for heating season?

09/29/2026

Looking for a faster, reliable way to make HVACR connections?

RLS press fittings help make installation quick and simple. Ask our team about RLS products for your next job.

09/25/2026

POV: You work in HVAC and you’re waiting for heater season to start.

Whichever way the weather swings, we're ready with the HVAC supplies needed to keep your customers comfortable!

📍4303 Capital Circle, Janesville, WI