Ductless mini-split systems deliver targeted heating and cooling without ductwork — perfect for Naperville additions, garages, offices, and spaces central HVAC can't reach.
Mini-splits are one of the most versatile and energy-efficient HVAC solutions for Naperville homeowners and businesses. Heavy Duty Heating & Cooling installs single-zone and multi-zone systems throughout Naperville and DuPage County.
Mini-splits require only a small wall penetration — no ductwork. Installation is faster, less invasive, and cost-effective for specific spaces. Modern mini-splits provide both heating and cooling in one unit.
Naperville consistently ranks among the best places to live in Illinois. Homes range from starter condos to luxury estates, and our technicians handle everything from small townhouse units to complex whole-home zoning systems throughout the city.
📍 Key areas in Naperville: Downtown, Riverwalk area, West Naperville, Naper Settlement corridor · ZIP: 60540
One indoor handler, one outdoor compressor — perfect for a single room, garage, or addition in Naperville.
Up to 4+ indoor units on one compressor. Independently control temperature in multiple rooms.
Heating function works down to low outdoor temperatures — ideal for Illinois winters.
Wall-mounted indoor unit for efficient, quiet cooling and heating in any room.
Flush-mounted ceiling cassettes for commercial spaces or rooms where wall units aren't preferred.
Hidden installation with the benefits of ductless — for spaces needing a more traditional look.
Same-day & emergency service in Naperville and DuPage County.
Free estimates, no hidden fees, upfront quotes before work begins.
English & Spanish service for all Naperville customers.
Fully licensed, certified, and insured HVAC professionals.
Local business treating every Naperville customer like a neighbor.
We stand behind every job with a satisfaction guarantee.
Single-zone typically $1,500–$3,500. Multi-zone varies by number of indoor units.
Yes. Modern heat pump mini-splits provide efficient heating even in Illinois winters, down to 0°F or lower.
Most single-zone installs complete in 4–6 hours. Multi-zone may take 1–2 days.
Absolutely — one of the best options for garages in Naperville. Efficient, quiet, no ductwork needed.
Based in Joliet — serving Will, Cook & DuPage Counties, IL.