About

Your Award-Winning HVAC, Plumbing & Electric Service. Harmonic can help with repair and replacement of your AC, Furnace, Water Heater, Plumbing, & Electric equipment. We provide solutions to make your home & office Smarter, Healthier, & More Efficient, with the best HEATING, COOLING, PLUMBING, & ELECTRIC Products.  

Harmonic provides affordable heating, air conditioning, plumbing, and electric solutions for your home or office to make it smarter, healthier, & more efficient. Ask about "Seasonal UTILITY Rebates" to get up to $1000 OFF a new Furnace & A/C Combo or Hot Water Heater installation.

Call 630-999-9008 or visit our website for complete products and services available, opt-in for website exclusives! FREE Estimates & VIRTUAL Estimates available. 

Repair, replace, service, & maintain ANY furnace, air conditioner, rooftop, boiler, water heater, or hydronic system. Ask about a Mitsubishi "duct-less" system to heat and cool that sun room, office, master bedroom, or garage. "Breathe Easy...Stay Comfortable."

Proud members of the Naperville and Oswego community.