Ductless mini-split systems deliver targeted heating and cooling without ductwork — perfect for Lemont additions, garages, offices, and spaces central HVAC can't reach.
Mini-splits are one of the most versatile and energy-efficient HVAC solutions for Lemont homeowners and businesses. Heavy Duty Heating & Cooling installs single-zone and multi-zone systems throughout Lemont and Cook 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.
One indoor handler, one outdoor compressor — perfect for a single room, garage, or addition in Lemont.
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 Lemont and Cook County.
Free estimates, no hidden fees, upfront quotes before work begins.
English & Spanish service for all Lemont customers.
Fully licensed, certified, and insured HVAC professionals.
Local business treating every Lemont 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 Lemont. Efficient, quiet, no ductwork needed.
Based in Joliet — serving Will, Cook & DuPage Counties, IL.