Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required. Weather permitting subjecting to scheduling availability. Service performed only during normal business hrs. Different models are available for an additional fee if needed; large homes may need a larger unit. Furnace must be accessible. Additional cost for alterations to installation space or where non-copper piping is required, plus any city code upgrades if needed. Must be a homeowner and be home during installation. Valid in Royalton, Cleveland, Akron, Lake, Summit, Lorain, Medina, Mentor, North Olmsted, Parma, Portage and Cuyahoga counties. Not valid for pre-quoted jobs. Groupon voucher's must be mentioned prior to scheduling an appointment Limit 1 per person(s), may buy 1 additional as gift(s). Limit 1 per visit. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings