Here at Guilette we offer many products and services, in addition to furnaces and air conditioners. 

As you browse our site you will see some of the products that we sell; split-ductless a/c & heat pump systems and indoor air quality (IAQ) products. 

We offer 24 hour emergency service, annual maintenance on furnaces, air conditioners, fireplaces, water heaters, humidifiers and dehumidifiers. 

If you are thinking about replacing your old system, or adding to your existing equipment, please don’t hesitate to call a member of our experienced sales staff . They will respond quickly to answer any questions you may have, and prepare your FREE estimate promptly.

We hope you find this site informative and helpful. Should you have any questions, you can contact us at 920-743-2900, toll free at 1-877-543-2846 or email us at info@guilette.com