Heating & coolingdone right since 2008
Zark Heating & Cooling serves New Lenox, Blue Island and the surrounding areas with NATE- and NCI-certified technicians — now including the customers of All Family Heating & Cooling.
All Family Heating & Cooling has combined with Zark Heating & Cooling. If you were an All Family customer, you're in the right place.
What this meansWhat we do
Residential and light commercial heating, cooling and indoor air — repaired, installed and maintained by certified technicians.
Heating Repair
Furnaces, boilers and heat pumps diagnosed and fixed — 24/7 emergency response when the heat goes out.
Heating services →Air Conditioning
AC repair, replacement and tune-ups on all makes and models, plus ductless mini-splits for spaces without ductwork.
Cooling services →Indoor Air Quality
Air purifiers, scrubbers, UV lights, humidifiers and dehumidifiers matched to your home and its ductwork.
Air quality →System Installation
Right-sized furnace, AC and heat pump installation. Financing available on approved credit.
Installation →Boilers, Ductwork & Commercial
Boilers and radiant heat, snow melt, zoned and high-velocity systems, custom ductwork and light commercial HVAC.
All services →Maintenance Plans
Spring AC and fall furnace tune-ups, priority service, and up to 20% off parts, refrigerant and repairs.
Maintenance →HVAC contractor in Will County, Illinois
Heating & cooling services in New Lenox, IL.
Zark Heating & Cooling is committed to providing New Lenox, IL, residents with the highest quality of heating and air conditioning products and services for both home and business needs. We are a team dedicated to delivering our clients the best systems and solutions that fit their unique needs. We have created a reputation for excellence in HVAC services by ensuring we meet or exceed our client’s expectations. We treat your needs as our own and serve you honestly and transparently.
We pride ourselves on having a trained and certified team, as we have since we opened in 2008. We consistently invest in training to improve the quality of service we deliver. We are NATE-Certified, NCI-Certified, Energy STAR, and ACCA accredited. We are independent Trane specialist dealers, members of the Manhattan Chamber of Commerce, and Will County 2018 Contractor of the Year. You can contact our team and expect nothing but professional-grade HVAC service in New Lenox, Manhattan, and the surrounding communities.
New Lenox, Illinois HVAC service experts
At Zark Heating & Cooling, we are more than just the most trusted professionals in heating and air conditioning in New Lenox, and the surrounding areas. Our team handles a wide variety of residential and light commercial services, ensuring the most comfortable indoor life for residents of Will County. Count on our team for responsive service and reliable results for your indoor air quality, ductwork, sheet metal, boiler, and even new construction HVAC needs.
Top-notch heating & air conditioning in New Lenox
Whether you want new installations, maintenance, or repair, Zark Heating & Cooling is your go-to team for responsive, personalized heating and air conditioning in New Lenox. Our technicians are highly experienced and will guide you towards the right products and services to best improve your indoor experience.
We always treat your home like it's our own, and our skilled technicians are certified, background checked, and receive ongoing training and education to provide you with exemplary service.
Request a service today!Our full range of services includes:
- Heating
- Air Conditioning
- Ductless Mini-Splits
- Zoning Systems
- Ductwork
- Air Balancing
- Radiant Heating
- Indoor Air Quality
- Humidifiers
- Dehumidifiers
- Air Scrubbers
- Whole House Fans
- UV Lights
- Filters
- Air Purifiers
- Gas Boilers
- Smart Thermostats
- New Construction
- Heat Pumps
- Sheet Metal Fabrication
- Light Commercial HVAC
- Snow Melt Systems
- High-Velocity Systems
Current offers
Performance Tune-Up
Expires October 31, 2026Service Call
Expires October 31, 2026Complete System Installation
($250 per System Cooling / Heating)
Expires October 31, 2026A bigger team, the same standard
Since our start in 2008, Zark Heating & Cooling has been a leader in home and business comfort across New Lenox and the surrounding areas. We design systems and solutions that fit your specific needs, and we treat those needs as our own.
By investing in education and continued training, our team represents the latest solutions in the heating and cooling industry — and our work meets or exceeds current industry standards.
With All Family Heating & Cooling now part of Zark, that same standard reaches further into the south suburbs.
About ZarkWhat customers say
“It's hard to find someone who works on boilers. We called them out a few times and they are very knowledgeable. They will be the first people we call.”
“Great service, our AC went out and Rob was over within 2 hours and had it up and running. Thank you!”
“Quick callback, very polite, straight to the point, carried my needed part. Reasonable price. I'm very grateful.”
Need service today?
We offer 24/7 emergency service across New Lenox, Blue Island and the surrounding areas.