Martin Lewis on whether or not having the heating on low all day saves money The money-saving expert settle s the debate once and for all. Updated The video will auto-play soon8Cancel Play now Sign up to FREE email alerts from our Money Saving Club NewsletterInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time.