Business Details
50+ Years
experience
Emergency
services
Trusted HVAC Solutions in Boonville, IN
BNG Heating & Cooling has been a trusted name in the HVAC industry since 1946, when Olive Lewellyn took over Boonville Natural Gas Corporation after her husband's passing. As one of the first women to lead a heating and natural gas business in the rural Midwest, Mrs. Lewellyn established a legacy of customer-centric service that continues today. The company evolved from coal furnace conversions to become a premier Bryant Heating and Cooling Systems dealer, offering full HVAC solutions including air conditioning, heating, generators, and maintenance plans. With over 70 years of experience, BNG remains family-owned, managed by John Lewellyn, his wife Lynnette, and son Paul.Our technicians are certified through North American Technician Excellence (NATE), and our maintenance plans follow Energy Star recommendations and National Standards. We pride ourselves on treating customers with respect and honesty, delivering safe, dependable service while promoting integrity and teamwork. Our commitment to excellence is reflected in our 100% satisfaction guarantee and our role as a Factory Authorized installer of Bryant products. We serve Boonville, Evansville, Newburgh, Richland, and surrounding areas in Indiana, ensuring homes and businesses remain comfortable year-round.
Services
HVAC Repair
Heating Installation
AC Maintenance
Generator Services
Commercial HVAC
Thermostat Installation
Emergency Repairs
System Replacement
Maintenance Plans
Bryant Products
Details
- Year established: 1946
Highlights and features
- Family-owned since 1946 with 70+ years of HVAC expertise
- NATE-certified technicians for superior service quality
- Energy Star-compliant maintenance and installation practices
- 100% satisfaction guarantee on all HVAC services
- Factory Authorized installer of Bryant Heating Systems
Associations and certifications
- North American Technician Excellence (NATE)
What people say
Professional and friendly staff
Significant energy savings
Prompt emergency service
100% satisfaction guarantee
Clean and courteous technicians
Services
HVAC Repair
Our NATE-certified technicians provide comprehensive HVAC repair services for residential and commercial systems. We diagnose and fix heating and cooling issues using modern equipment and factory-authorized parts. Emergency repair services ensure minimal downtime during system failures, with technicians available to respond promptly to urgent situations across southern Indiana.
Generator Installation
We specialize in Kohler generator installation for home and business backup power solutions. Our experts help select appropriate 14kW-125kW systems running on natural gas or propane, including automatic transfer switches. Standby models start automatically during outages, providing uninterrupted power for critical systems and appliances.
Heating Installation
As a Bryant Factory Authorized Dealer, we install high-efficiency gas furnaces with up to 96.5% AFUE ratings. Our installations include proper sizing assessments, ductwork evaluation, and integration with existing systems. We offer models with advanced features like variable-speed motors and humidity control for optimal comfort.
AC Maintenance
Our maintenance plans follow Energy Star recommendations and include seasonal tune-ups, filter replacements, and system inspections. Regular maintenance improves energy efficiency, extends equipment lifespan, and helps prevent unexpected breakdowns during peak cooling seasons in Indiana's climate.
Commercial HVAC
We provide comprehensive commercial HVAC solutions including system design, installation, and maintenance for businesses. Our services include energy audits, preventive maintenance programs, and emergency repair services tailored to commercial operations, ensuring optimal climate control for staff and customers.
People
John Lewellyn
Owner
John Lewellyn has managed BNG Heating & Cooling since 2006, continuing his mother's legacy. With a Purdue University degree in Industrial Management and decades of hands-on experience, he oversees operations while maintaining the company's commitment to exceptional service.
Lynnette Lewellyn
Co-Owner
Lynnette Lewellyn partners with her husband John in managing daily operations. Her leadership helps maintain the family business's tradition of excellence while adapting to modern HVAC industry standards and customer expectations.
Paul Lewellyn
Manager
Paul Lewellyn, third-generation HVAC professional, assists in growing the family business. He combines inherited expertise with contemporary business practices to expand BNG's service capabilities while maintaining its core values.
Questions
What HVAC services does BNG Heating & Cooling offer?
We provide heating and air conditioning repair, installation, maintenance plans, generator services, and commercial HVAC solutions in southern Indiana.
Are BNG's technicians certified?
All our HVAC technicians are certified through North American Technician Excellence (NATE), the industry's leading certification program.
Do you offer emergency HVAC services?
Yes, we provide emergency heating and cooling repairs with technicians available to respond promptly when you need urgent assistance.
What financing options are available?
We offer financing plans to make HVAC system replacements and upgrades more affordable for residential and commercial customers.
Are your HVAC installations warrantied?
All Bryant systems we install come with manufacturer warranties, and we offer our 100% satisfaction guarantee on workmanship.
Do you service commercial HVAC systems?
Yes, we provide comprehensive commercial HVAC services including maintenance, repairs, and system replacements for businesses in the region.
