Contact Frost King and Thermwell Products Co., Inc.

At Frost King and Thermwell Products Co., Inc., we want to help you save energy and save money by making our DIY home improvement products as easy to understand as possible. If you need one-on-one advice or you have a product question that isn't on our FAQs page, please contact us or call customer service: (800) 299-5700.

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Contact Us

  • Thermwell Products Co., Inc.
  • Corporate Headquarters
    420 Route 17 South
    Mahwah, NJ 07430
    (800) 526-5265
    (201) 684-4400
    Fax: (201) 684-1214
  • West Coast Distribution
    465 East Glendale Avenue
    Sparks, NV 89431
    (775) 331-5291
    Fax: (775) 331-5243
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