Water heater troubleshooting in Crystal Lake, Illinois

Harmonic Heating, Air Conditioning & Plumbing, previously known as Official Heating & Cooling, is a trusted general contractor located at 5214 South Illinois Route 31 in Crystal Lake, Illinois, United States. We specialize in providing top-notch heating, air conditioning, and plumbing services to residential and commercial clients. Our team of experienced professionals is dedicated to ensuring your comfort and satisfaction. Contact us today for all your HVAC and plumbing needs.

Wally's Heating & AC, located at 471 Jennings Drive in Lake in the Hills, Illinois, is a trusted general contractor specializing in HVAC services for residents and businesses in the North and Northwest Suburbs. With a focus on quality and affordability, Wally's Heating & AC offers services such as furnace replacement, heating service, furnace repair, and heating repair in Cary, Crystal Lake, Algonquin, and Lake in the Hills. In addition to traditional heating and cooling services, Wally's Heating & AC also provides air quality, water heating, snow melt systems, generators, and pool heaters. With a team of experienced specialists and a commitment to superior value, Wally's Heating & AC ensures that each client receives personalized services tailored to their specific needs.