Considering A New Furnace Before Winter Arrives? How To Determine The Right … by Mike Rampey | November 15, 2012November 15, 2012 The purchase of a new furnace is a significant investment in a sturdy piece of HVAC equipment that can be expected to give you, on average, 15-20 years of reliable […]Read More Filed Under: Furnaces Tagged With: Heating load calculations– HVAC expert– New Furnace– Oklahoma– Sizing a furnace– Tulsa and Broken Arrow– well-insulated home