Harker understands the financial, physical & environmental needs of your project. Great strides have been made in HVAC and control technology, particularly in the last decade. Direct digital controls, improved compression efficiency, better heat exchangers and high efficiency electric motors have all become main stream. Better ventilation standards have improved the indoor environment as well. Get control of your energy and operating costs. Studies show HVAC system performance is a crucial factor in productivity and efficiency. Let Harker Heating & Cooling, Inc. help reduce your energy and operating costs.