Since 1981, Herchenbach Mechanical has been a family-owned and operated HVAC contractor in Gurnee, IL. No matter whether you need an air conditioner repair during the hottest day in the summer or a heater repair during the coldest night in the winter, our team of experienced experts will work around the clock to ensure you're comfortable. Our team of certified technicians has the experience and the equipment needed to handle any type of job – big or small.