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You only want the best for your property when hiring repair and maintenance companies. It’s difficult to know who to trust when you care about your home so much. Althoff has a proven track record of safe and reliable service, and families throughout the Chicago area continue to count on us to keep their homes running smoothly. Your friends and neighbors already know us, and we think it's time you got to know us too.


For almost 60 years, Althoff Industries has been providing plumbing, electrical, and HVAC services in Chicago. Our family business is trusted by many, allowing us to extend our services to Greater Chicago, Lake in the Hills, and other areas in the northwest suburbs. We build our business around trust, quality services, and strong customer relationships.


Installation, repair and maintenance is our main line of work but we also provide services focused on home improvement. Whether you have a clogged drain or a dirty furnace, Althoff Industries is here to help you. We work 24/7 so you can rely on the following services any time, any day.

Living with a broken water system is just stressful. You need water every day and the source needs to be efficient. Our plumbers are experts when it comes to repairing and maintaining plumbing systems. We also install sinks, vanities, faucets, and ejector pumps for when you want to revamp your home.

More Information on Plumbing Services

Flickering lights and overheating wires are signs of a major electrical problem. Neglecting this can lead to fire and serious damage to your property. If you aren’t sure about your electrical problem at home, Althoff Industries will check and diagnose it for you. We are trained in handling complex electrical issues.

More Information on Furnace Services

Is your boiler making strange noises? Maybe your air conditioner isn’t as cool as before? HVAC issues need immediate action. Aside from prolonging the life of your equipment, proper repair and routine maintenance of heating and cooling systems can help lower energy bills. We provide custom services for water heaters, boilers, furnaces, and air conditioners in Lake in the Hills.

More Information on Boiler Services


When you choose Althoff, you’re choosing quality and value. Our staff is licensed, trained, and bonded, and is at your service 24/7. We have reliable customer service so you can phone us anytime.

We are an award-winning contractor, but even with this distinction, we know there's always room to grow. Our training lab allows our team to constantly improve their skills, so every technician can be our best technician. Our company is customer-centric so we quote prices upfront. With a variety of payment options available, customer satisfaction is guaranteed.


For plumbing, electrical, and HVAC services in Lake in the Hills, contact Althoff Industries. Reach out to us anytime through the following numbers.

  • (815) 455-7000
  • (800) 225-2443 (toll-free)

Our residential services extend to suburbs in the northwest, including Barrington, Cary, and Algonquin. For a complete list of service locations, click here