Meet Our Pros

Bill Cowan
Founder Bill founded Willco in 1988. He is a veteran of the HVAC industry and has quite literally seen it all. On the weekends, he enjoys driving his RV, Nascar Races and spending time with his wife.

Doug Willis
General Manager A mechanical engineer by training and an HVAC enthusiast by passion, Doug leads Willco with a focus on quality, comfort, and customer care. When he’s not working, you’ll find him skiing, hiking, or rollerblading.

Allen Bollinger
HVAC Technician Allen is a highly skilled Lead Install Technician who can handle even the toughest installs or service challenges with confidence. When he’s not working, you’ll find Al out fishing or cheering on the Giants.

Allen Bollinger
Install Technician Allen is a highly skilled Lead Install Technician who can handle even the toughest installs or service challenges with confidence. When he’s not working, you’ll find Al out fishing or cheering on the Giants.

Tyler Fedorka
HVAC Technician

William Rodriguez
HVAC Technician

Vincent Benson
HVAC Technician Vince grew up in the HVAC industry working for his Father's business from a young age. He took a short hiatus and spent some time performing in a rock band, but we are glad he came back to the HVAC trade because he is an extremely talented technician. Vince prides himself on the quality of his work and solving difficult wiring issues.

Mike Oliver
HVAC Technician

Christian Gerding
HVAC Technician

Paul Ruhnke
HVAC TechnicianPaul is a natural mechanic who can fix almost anything he sets his mind to. Outside of work, he loves playing sports and stays active in several recreational leagues.

Pam Haines
Bookkeeper Pam is the detail-driven backbone of Willco’s finances. She handles billing, payments, and all company bookkeeping with precision and care, keeping everything running seamlessly behind the scenes.

Karen Kohen
Office ManagerKaren is a master of organization. With a background in both hospitality and medical administration, she keeps schedules tight, details accurate, and customers happy. Her positive energy keeps the office running smoothly.

Frank Wallace
Comfort Advisor Frank started his career as a technician and now specializes in helping homeowners understand their system replacement options. With a wealth of knowledge and a friendly approach, he’s the guy to ask anything HVAC.

Margaret Kamecki
Install & Permitting Coordinator Margaret keeps our installs on track by managing permitting, financing, and scheduling—all while being a devoted mom to her young son. She brings professionalism, positivity, and a love for her sporty Honda to the Willco team.

Will Rodriguez
Service Technician Will is a friendly, knowledgeable technician who can diagnose and repair any system with confidence. When he’s off the clock, you’ll likely find him at the gym.

Will "Willbo" Balough
Install Technician Will "Willbo" is an energetic and hardworking member of our install team. A top performer during his time in the union, he’s never afraid to get his hands dirty and takes pride in getting the job done right.

Vince Benson
Install TechnicianVince is a seasoned HVAC pro who enjoys teaching the next generation of technicians. He can solve any installation or service issue, and before joining the HVAC world, he even played in a band.

Shawn Garrison
Install Technician Shawn graduated from Sussex Vo-Tech with strong recommendations from his instructors. After four years studying HVAC and construction, he’s excited to apply his skills and help homeowners stay comfortable.

Sean Gregory
Install Technician Sean is a master Install Technician who especially loves working on boilers—he considers a clean, well-built boiler system a true work of art.

Pete Antonellis
Install Technician A certified skydiving instructor and aircraft mechanic, Pete brought his mechanical talent to the HVAC industry. His unique background gives him a sharp eye for detail and a passion for technical excellence.

Pete Rhyne
Install Technician Pete has spent his entire career in HVAC and is an expert in boiler and geothermal installations. On weekends, he enjoys quality time with his two kids.

Nathan Hatley
Install Technician With more than 10 years of experience as both a service tech and Install Technician, Nathan is known for his attention to detail. He also enjoys mentoring younger technicians and helping them grow in the trade.

Leroy "Bubba" Hink
Install Technician Bubba supports our install team with years of HVAC and plumbing experience behind him. He’s hardworking, dependable, and happiest when he’s behind the wheel of his truck.

Mike Lasofsky
Service and Install Manager Mike has spent his entire career in HVAC and plumbing. From residential systems to advanced controls, he can troubleshoot just about anything—truly the Swiss Army knife of Willco.

Don Butler
Shop Manager Don is our sheet metal wizard—if you can dream up a piece of ductwork, he can build it. He runs Willco’s sheet metal shop and manages inventory, but he also loves getting out in the field to meet customers face-to-face.

Angel Ponce
Service Technician Angel brings more than a decade of HVAC experience, with deep expertise in oil systems as well as boilers, furnaces, and central AC. Born and raised in Sussex County, he takes pride in serving the community he calls home.

Tim Scantlebury
Service Technician Tim is a dedicated family man who loves the HVAC industry because he knows a well-running system brings real comfort to a home. He brings that same care to every customer he serves.

Rich Johnson
Service Technician A proud Sussex County native, Rich brings 5+ years of HVAC experience, including time with Trane. He loves problem-solving and takes great satisfaction in tackling tough challenges for customers.