Althoff Industries, Inc.

Althoff Industries, Inc. is a premier HVAC contractor based in Crystal Lake, Illinois, proudly serving the Chicagoland area since 1961. Our family-owned business specializes in residential and commercial services, ensuring top-notch heating, cooling, plumbing, and electrical solutions. Licensed and insured, we prioritize customer satisfaction with transparent quotes and exceptional service. Available 24/7 for emergency needs, our experienced technicians are dedicated to providing reliable and efficient solutions tailored to your requirements. Trust Althoff for all your home service needs.

Althoff Industries, Inc. is a distinguished HVAC contractor located at 8001 S Illinois Rte 31 in Crystal Lake, IL. Since our inception in 1961, we have established ourselves as a trusted provider of comprehensive heating, ventilation, air conditioning, plumbing, and electrical services for both residential and commercial clients throughout the greater Chicagoland area. We understand the unique needs of our customers and approach each project with personalized care. Our team of licensed and insured professionals is committed to delivering high-quality service while ensuring safety and reliability at every turn. As experts in air conditioning services, we handle everything from routine maintenance to complete installations of various systems such as central ACs, heat pumps, ductless mini-splits, and geothermal units. When it comes to heating solutions, our experienced technicians specialize in installing and repairing boilers, furnaces, heat pumps, and moreensuring that your home re