How long will the temperature regulating properties last? The energy temperature regulating properties of The Matterhorn will remain night after night, allowing you to enjoy the temperature regulation benefits for the lifetime of the product. Was this article helpful? 1 out of 1 found this helpful Can't find what you are looking for? email@example.com Chat With Us 801.919.8292 Related articles Which loft should I choose? Low vs. High profile How can I clean my pillow?