Integrity
We recommend the services and equipment we believe your home actually needs. You will receive straightforward information and practical options without unnecessary sales pressure.
At Colorado Green Plumbing, Heating & Cooling, we know homeowners want more than a quick fix; they want a company they can trust. As a family-owned business with more than 40 years of experience, we’ve built our reputation on honest service, dependable workmanship, and treating customers with respect.
Originally founded as Pipeline Plumbing by Mike Lingenfelter, the company has grown over the years while staying true to its roots. Today, Paul Lingenfelter leads Colorado Green with the same focus on integrity, professionalism, and long-term customer relationships.
From plumbing repairs and water heaters to heating, cooling, and boiler services, our team is proud to help homeowners across the Front Range keep their homes comfortable, safe, and running smoothly.
Owner/Master Plumber
Master Plumber License #188312 • EPA 608 Cert. • ASSE Cert. #58310 • G29 Mstr Mechanical (Passed)
Owner/Master Plumber
Master Plumber License #188312 • EPA 608 Cert. • ASSE Cert. #58310 • G29 Mstr Mechanical (Passed)
Paul Lingenfelter is the Owner and Master Plumber with nearly 40 years of hands-on experience in the plumbing industry. He began his career working alongside his father in 1985, building a foundation of craftsmanship, integrity, and dependable service.
In 2017, Paul took over operations at Colorado Green, where he remains committed to keeping the company running smoothly and ensuring every customer receives the highest level of care and professionalism. With decades of expertise and multiple advanced certifications, Paul is proud to lead a team that homeowners can trust.
Fun fact: Before plumbing became his lifelong career, Paul originally studied to become an accountant.
Plumbing/HVAC Apprentice
3 years of plumbing & HVAC experience
Preparing to take Residential Plumbing License
Cy Pinto is a Plumbing and HVAC Apprentice with three years of hands-on experience supporting both plumbing repairs and HVAC work. His primary focus is learning from senior technicians and applying that knowledge in the field to deliver reliable, high-quality service to customers.
Cy assists with a wide range of services, including water heaters, tankless systems, garbage disposals, and bathroom drain repairs, and has been involved in numerous installations—from small repairs to full HVAC system installs. He brings a strong work ethic, attention to detail, and a genuine eagerness to grow in the trade.
Outside of work, Cy is a motivated young plumber who is always looking to expand his skills and knowledge and is eager to continue developing his career in the field.
Plumbing Apprentice
1 year of experience
Apprentice License #AP-0051083
Daisy Cahn is an Apprentice who is currently on her journey to become a plumber and grow her specialty in the trade. In her role, she assists with preparing job sites, managing tools and materials, helping with installations, and ensuring clean-up is completed properly. Her focus is on learning every aspect of the trade while supporting the team in delivering quality service to customers.
Daisy is committed to expanding her skills and gaining hands-on experience in the field. She takes pride in being dependable, hardworking, and eager to grow within the plumbing industry.
Outside of work, Daisy is a proud mother of two daughters, and her family has served in the military.
Plumbing / HVAC Technician
27 years of plumbing experience • HVAC experience since 2018 • With the company for 4 years
Guy Barnard is a highly experienced Plumbing and HVAC Technician with over 27 years in the plumbing trade and several years of HVAC experience. He began his plumbing career in Chicago in 1999, later relocating to Colorado in the early 2000s, where he continued to build his expertise.
Guy originally joined the Colorado Green Plumbing, Heating & Cooling team in 2015 and is well-versed in all aspects of plumbing while also being highly knowledgeable in HVAC systems. Customers appreciate his depth of experience, versatility, and dependable approach to every job.
Outside of work, Guy enjoys spending time with his daughter and friends and values staying connected with the people closest to him.
Residential Plumber / HVAC Service Technician
19 years of HVAC experience • 5 years of plumbing experience • With the company since 2021
EPA Certified • NATE Certified • Residential Plumbing License
Jeremiah Cooley is a skilled Residential Plumber and HVAC Service Technician with over 19 years of HVAC expertise and 5 years of plumbing experience. Since joining the team in 2021, Jeremiah has remained committed to continually expanding his knowledge and finding better ways to serve homeowners with reliable, high-quality solutions.
He specializes in furnace and air conditioning installations, ductless mini-split systems, and both traditional and tankless water heater repairs. Customers appreciate Jeremiah’s dedication, professionalism, and service-first mindset on every job.
Outside of work, Jeremiah enjoys spending time with his children, playing Warhammer, fishing, and being active in his church community.
Residential Plumber
9 years plumbing experience • With the company since 2017
Residential Plumbing License
Nate Dalton is a skilled Residential Plumber with nine years of industry experience, all of which have been with Colorado Green Plumbing, Heating & Cooling. He is dedicated to delivering quality workmanship while always keeping customer satisfaction and the customer’s best interests at the forefront of every job.
Nate specializes in residential plumbing repair and has hands-on experience using drain equipment, PEX, and ProPress tools to complete repairs efficiently and professionally. Customers appreciate his dependable service, attention to detail, and commitment to doing the job right.
Outside of work, Nate enjoys playing soccer and staying active.
HVAC Technician
30 Years in HVAC
EPA 608 Certified • Carrier Certified • HVAC Journeyman
Vincent Papworth is an experienced HVAC Technician with 30 years in the industry, specializing in heat pumps, ductless mini-split systems, HVAC installations, and boiler service. Throughout his career, he has remained committed to helping homeowners make informed decisions by providing honest recommendations, educating customers on proper equipment care, and offering preventative maintenance solutions.
In addition to his extensive technical expertise, Vincent has served as a field supervisor for installation and service teams and has helped train technicians at multiple companies. His wealth of experience, customer-first approach, and dedication to quality workmanship make him a trusted resource for homeowners seeking dependable HVAC solutions.
Outside of work, Vincent enjoys collecting Star Wars memorabilia and World War II firearms, reflecting his appreciation for history and iconic collectibles.
Office/Marketing Manager
Cecilia Zackoff serves as the Office and Marketing Manager, bringing more than 20 years of marketing experience and over 15 years of graphic design experience to the team. She holds an Associate of Science in Graphic Design from The Art Institute, which supports her strong eye for branding, visual communication, and creative strategy.
Although she is new to Colorado Green Plumbing, Heating & Cooling, Cecilia has known Paul and Debbie for the past seven years and is excited to support the company’s continued growth.
Cecilia plays a key role in keeping office operations running smoothly while leading the development of marketing plans, branding efforts, and social media outreach. Her creativity, professionalism, and passion for connecting with customers help ensure the company’s message and service values are reflected in everything they do.
Fun fact: Cecilia was in show choir in high school and loves attending Broadway musicals whenever she can.
We recommend the services and equipment we believe your home actually needs. You will receive straightforward information and practical options without unnecessary sales pressure.
We respect your time, your property and your household. Our team arrives ready to listen, clearly communicate and treat your home with the care it deserves.
Our plumbers and HVAC technicians stay current with industry training, technology and best practices so they can provide informed recommendations and dependable workmanship.
We offer a warranty on all parts and labor. This is all backed by our 100% customer satisfaction guarantee.
We service Boulder, Longmont, Lafayette, Niwot, Louisville, Frederick, Firestone, Brighton, & Erie Colorado
Great service, prices and very attentive, he even came back to hook up the stove when it was delivered! Highly recommend, this is what businesses used to be like.