Contact Us FREE ESTIMATES Call Pinnacle Heating & Cooling for a free estimate on a new furnace, air conditioner, or fireplace Address : Pinnacle Heating & Cooling 1430 Tri-View Ave. Sioux City, IA 51103 Phone : (712) 389-0008 Email : pinnacleheating1@outlook.com CONTACT US If After Hours Please Call (712) 635-4485 Notice: JavaScript is required for this content.