Weathermaster HVAC Sales & Service is a full service heating, air conditioning, refrigeration, plumbing and duct cleaning business, providing quality service at affordable rates to our residential, commercial and industrial customers throughout southwestern Ohio, northern Kentucky and southeastern Indiana. Free estimates. Senior discounts. Veteran discounts. Same day emergency service. On call Mon - Sat 6 AM - 6 PM. Greater Cincinnati area (513) 649-0064. Greater Dayton area (937) 581-2153.