We’re the company to call when you need expert AC installation in Lake Forest, IL. Plus, we’re the top provider of furnace installation services as well. We can be your ally for year-round comfort in your home or business. Since 1948, Modern Heating and Plumbing has strived to offer residents and businesses in the area the finest HVAC services available. It’s an effort that starts with our team of highly trained and factory-certified HVAC technicians in Lake Forest, who always go the extra mile to make your furnace or air conditioner installation a success.