For over thirty years, the team at I Know A Guy Plus has worked to position themselves as Kalamazoo’s leading provider of furnace repair and mini-split heat pumps. airconditioners. With an unmatched understanding of HVAC service and equipment, we are the area’s most trusted, most professional, and most cost-efficient supplier of top-quality heating and cooling systems. Our products aim to help our customers reduce their heating bills and achieve better temperature control. When you work with I Know A Guy HVAC, you can rest assured that the equipment you’re getting is energy efficient, economical, and – above all else – effective.