PROHEAT 500 February 14, 2020 No Comments Professional Heat and Chemical Treatment The package is for units up to 500 sq ft. It is appropriate for the following situations Single Rooms Small Apartments Hotel Rooms This includes both heat and chemical treatment. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.