Business Details
26 Years
experience
Emergency
services
Expert HVAC Services in Bolingbrook, IL
DuAll Heating & Cooling has been serving residential and light commercial customers in Bolingbrook, Naperville, Plainfield, and Romeoville since 2000. Founded by Larry Greenwich, a certified HVAC professional with prior experience as an Executive Chef and licensed pilot, the company combines technical expertise with a commitment to personalized service. Our team of NATE-certified technicians specializes in heating, air conditioning, indoor air quality, and water heater systems, offering installation, repair, and maintenance services.Recognized with the 2016 Bolingbrook Lifetime Achievement Award, we prioritize customer satisfaction through transparent communication, 24/7 emergency availability, and financing options. Our family-owned business maintains affiliations with Angie's List, NATE, and the Bolingbrook Chamber of Commerce, ensuring adherence to industry standards. With over two decades of local experience, we deliver reliable, energy-efficient solutions tailored to regional climate demands.
Services
Heating Installation
Air Conditioning Repair
Indoor Air Quality
Water Heater Services
Light Commercial HVAC
Furnace Maintenance
Boiler Replacement
Ductless Mini Split Systems
Thermostat Installation
Zoning Systems
Details
- Year established: 2000
Highlights and features
- 20+ years of local HVAC expertise in Bolingbrook
- NATE-certified technicians with specialized training
- 24/7 emergency service for urgent heating/cooling needs
- Family-owned with personalized customer care
- Financing options for HVAC installations and repairs
Associations and certifications
- NATE
What people say
Great family business
Very professional technicians
Prompt emergency service
Deserve a gold star
Excellent customer care
Services
Heating Installation
We install high-efficiency gas and electric furnaces, boilers, and radiant heating systems tailored to your home's needs. Our technicians ensure proper sizing and integration with thermostats and zoning controls for optimal performance. With over 20 years of local experience, we guarantee professional installation that maximizes energy efficiency and system longevity while respecting your property during the process.
Air Conditioning Repair
Our NATE-certified technicians diagnose and repair all central and ductless mini-split air conditioning systems. Services include refrigerant checks, coil cleaning, and component replacement. We prioritize prompt resolution of cooling issues to restore comfort quickly, using diagnostic tools to identify underlying problems and prevent future breakdowns in Bolingbrook's extreme summer conditions.
Indoor Air Quality
We install and service air cleaners, humidifiers, dehumidifiers, and UV germicidal systems to improve respiratory health. Our solutions address allergens, humidity imbalances, and airborne pathogens while integrating with existing HVAC systems. We follow EPA guidelines to create customized air quality plans that enhance comfort and reduce health risks for Bolingbrook families.
Water Heater Services
We repair traditional tank water heaters and install energy-efficient tankless models providing continuous hot water. Our technicians assess system performance, identify efficiency losses, and recommend upgrades when repairs become cost-prohibitive. We ensure proper venting and safety compliance while optimizing energy consumption for residential and light commercial clients.
Light Commercial HVAC
We service rooftop units and HVAC systems for small businesses, ensuring minimal downtime through preventive maintenance and rapid repairs. Our team handles commercial-grade equipment with specialized knowledge of high-demand systems, providing energy audits and system optimization to reduce operational costs for Bolingbrook-area businesses.
People
Larry Greenwich Sr.
Founder & HVAC Technician
Certified HVAC expert with 20+ years in the field, former Executive Chef, and licensed pilot. Served on Bolingbrook Chamber of Commerce board and leads Illinois Aviation Museum. Holds NATE, Rotobrush, and Heat Exchanger certifications.
Donna Greenwich
Office Manager
Managed office operations since 2005, bringing prior corporate experience from Tellabs and Follett Corp. Handles customer communications and coordinates service scheduling while supporting the family business and community involvement.
Larry Greenwich Jr.
HVAC Technician
Joined the family business in 2007, specializing in HVAC installations and repairs. Holds ARI certification, NATE credentials, and Service Assistant tool certification for ComEd programs. Focuses on customer education and modern system integration.
Questions
What HVAC maintenance services do you offer?
We provide furnace and AC tune-ups, duct cleaning, thermostat calibration, and system efficiency checks to prevent breakdowns and extend equipment lifespan.
Do you offer emergency HVAC repairs?
Yes, we provide 24/7 emergency services for urgent heating and cooling system failures with rapid response times during extreme weather.
What financing options are available?
We offer no-interest 12-month financing and 5-year loans at 6.99% APR for HVAC installations and major repairs.
How do I choose the right HVAC system?
Our technicians perform load calculations, assess home insulation, and recommend properly sized systems based on your specific heating/cooling needs and budget.
Do you service commercial HVAC systems?
Yes, we maintain and repair light commercial systems including rooftop units for businesses in Bolingbrook and surrounding areas.
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