Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Southern Indiana
BNG Heating & Cooling was founded in 1946 by Olive Lewellyn, who pioneered the transition from coal furnace conversions to modern HVAC systems in the rural Midwest. As one of Indiana's oldest Bryant dealerships, we have maintained a family-owned legacy of excellence for over 75 years. Our team of NATE-certified technicians follows Energy Star recommendations and National Standards for service, offering Bryant HVAC systems and Kohler generators with factory-authorized expertise.We prioritize customer satisfaction through personalized service, 24/7 emergency support, and a 100% satisfaction guarantee. Our commitment to innovation and quality has earned us recognition as Boonville's premier HVAC provider, serving residential and commercial clients across southern Indiana.
Services
HVAC Repair
System Installation
Maintenance Plans
Generator Services
Commercial HVAC
Details
- Year established: 1946
Highlights and features
- 75+ years of HVAC expertise in southern Indiana
- Factory-authorized Bryant installation specialists
- NATE-certified technicians for superior service quality
- Energy Star-recommended maintenance plans
- 24/7 emergency service with same-day repair guarantee
Associations and certifications
- North American Technician Excellence (NATE)
What people say
Excellent service
Professional and friendly
24/7 emergency support
Energy savings
Satisfaction guarantee
Services
HVAC Repair
Our NATE-certified technicians provide prompt HVAC repairs for residential and commercial systems. Using factory-authorized Bryant parts, we restore heating and cooling functionality with 24/7 emergency service. Regular maintenance prevents breakdowns and improves energy efficiency, reducing utility costs while ensuring optimal indoor air quality.
System Installation
We specialize in full HVAC system installations for homes and businesses. As Bryant factory-authorized dealers, we offer high-efficiency systems with up to 96.5% AFUE ratings. Our installations include smart thermostats and zoning systems, ensuring precise temperature control and energy savings backed by manufacturer warranties.
Maintenance Plans
Our Energy Star-recommended maintenance plans include seasonal tune-ups and filter replacements. Technicians perform comprehensive inspections to identify potential issues before they cause system failures. Regular maintenance extends equipment lifespan, maintains warranty validity, and ensures consistent performance across residential and commercial properties.
Generator Services
We offer Kohler generator sales, installation, and service for residential and commercial backup power solutions. Our standby generators automatically activate during outages, providing uninterrupted power for essential systems. With natural gas or propane options ranging from 14kW to 125kW, we ensure reliable power for homes and businesses.
Commercial HVAC
Our commercial HVAC services include system design, installation, and maintenance for businesses of all sizes. We provide energy-efficient solutions that meet building codes while minimizing operational costs. With multi-visit maintenance agreements and priority emergency service, we ensure business continuity through reliable climate control systems.
People
John Lewellyn
Owner
Third-generation HVAC expert with 50+ years of experience. Purdue University graduate in Industrial Management. Leads company operations while maintaining hands-on involvement in service delivery.
Lynnette Lewellyn
Co-Owner
Active in business management and customer relations. Works closely with technicians to maintain service quality standards established by the company's founder.
Paul Lewellyn
Operations Manager
Third-generation family member overseeing daily operations. Focuses on implementing modern HVAC technologies while maintaining traditional service values.
Questions
What HVAC services do you offer?
We provide repair, installation, and maintenance for residential/commercial HVAC systems, including Bryant equipment and Kohler generators.
Are your technicians certified?
All technicians hold North American Technician Excellence (NATE) certification and undergo factory training for Bryant systems.
Do you offer emergency service?
Yes, our 24/7 emergency service guarantees same-day response for HVAC breakdowns with temporary heating/cooling solutions if needed.
What warranties are available?
Bryant systems include 10-year limited warranties when registered. Kohler generators offer 5-year warranties on parts and labor.
Do you service commercial properties?
Yes, we handle commercial HVAC systems with maintenance agreements and priority service for businesses in southern Indiana.
Is financing available?
We offer flexible financing options for HVAC replacements and generator installations to qualified customers.