WeatherWise Heating & AC repair

WeatherWise Heating & AC repair is a family-owned HVAC company in Crystal Lake, IL, serving residential and commercial clients with comprehensive heating, cooling, and plumbing services. The company provides AC installation and repair, furnace installation and maintenance, water heater services, ductwork solutions, and indoor air quality improvements across Crystal Lake and surrounding areas including McHenry, Lake, Kane, DeKalb, Boone, and Cook Counties. With over 50 years of combined experience, WeatherWise specializes in NATE-certified technician service, offering same-day repairs, emergency support, and preventative maintenance programs. The company is recognized for its 100% satisfaction guarantee and has been honored as a member of Inc. 5000’s list of the fastest-growing privately owned companies in America.

WeatherWise Heating & Cooling was founded in 1985 and remains a second-generation, family-operated business managed by father and son Frank and Brandon. The company emphasizes reliability, transparency, and technical expertise, with all services backed by a satisfaction guarantee. Their team of NATE-certified technicians delivers prompt, professional service across Illinois and Wisconsin, including specialized work on heat pumps, ductless mini splits, smart thermostats, humidifiers, and sump pumps. They also offer flexible financing and regular system tune-ups to extend equipment lifespan and maintain efficiency.

The business is located at 135 Erick St Unit G in Crystal Lake, IL. It sits on Erick Street, a short distance from the Crystal Lake Public Library and within easy reach of the city’s central business district. The location is well-situated for quick access to homes throughout the city, including older neighborhoods and newer subdivisions near Route 14 and Pingree Road.