This is a 4400 sqf tudor style house build in 1927 in Amherst, NY near Buffalo. It has cast ion radiators, but also ductwork for central air conditioning. It has 10 x 800 ft slinky outside, for a 10 ton heat exchanger. Inside there is a 6 ton Waterfurnace Synergy 3D, with plans to add another 5 ton W-W unit. It was installed by Buffalo Geothermal in December 2009.