Our Team
Located in Sandwich Massachusetts, High Efficiency LLC was founded by Craig Bishop in 2010. In May of 2015 Craig asked Julie Lawson to become a partner to bring the company to the next level in customer service across the board. Fully licensed and insured, High Efficiency is focused on providing residential and commercial clients with extraordinary, clean, professional service and maintenance for their heating and cooling systems. We are dedicated to providing each and every customer with our exceptional knowledge and superior equipment for all their HVAC needs. It’s important that your system is designed to maximize your comfort while minimizing energy costs, and equipping your home with an efficient system that improves healthy indoor air quality and can help eliminate expensive, inconvenient repairs for years to come.
Meet Our Team
CRAIG BISHOP
Owner / Principal
Craig Bishop brings nearly three decades of experience in plumbing, HVAC, and energy solutions to his role as Owner and Principal. After attending Massachusetts Maritime Academy with a focus in marine and diesel engineering, Craig entered the trades in 1996 as an apprentice. Learning directly from seasoned professionals, he gained hands-on skills and customer-first mindset that continues to guide his work today.
Craig is committed to staying current with all aspects of HVAC system design and installation, from fabricating specialty components to meeting complex equipment needs. He pairs this technical expertise with a strong understanding of building codes, energy efficiency standards, and evolving technologies—ensuring every project meets the highest level of quality and performance. His vision for energy-conscious, customer-focused service has led to the founding of three successful companies and strong partnerships with Mass Save and local utility providers.
Craig holds multiple licenses and certifications, including CSL (Building License), Master Plumber & Gasfitter, Universal Refrigeration, Master Sheet Metal, Master Oil, HPC (Home Performance Contractor), Building Analyst, Building Envelope, and Home Energy Rater.
Craig and his wife, Amber, live in Barnstable Village with their two children. He remains active in the community through organizations such as Rotary and the local Council on Aging.
JULIE LAWSON
Managing Partner
Julie Lawson is the Managing Partner of High Efficiency, where she combines her strong background in business management with a passion for guiding company goals, operations, and team development. As co-owner of two successful local businesses, she takes pride in leading a dedicated team that delivers top-quality HVAC, plumbing, and weatherization services across Cape Cod and the South Shore.
With a vision centered on energy savings and customer care, Julie has built companies that are not only service-driven but also energy-conscious. Her leadership has fostered successful partnerships with Mass Save and local utility providers, ensuring customers receive both efficient solutions and long-term value.
Beyond her professional role, Julie has a long history of community involvement. She founded a nonprofit organization that raises funds for Alzheimer’s research, leveraging her public relations skills to increase awareness and build a strong community presence. She also led a local parenting group, creating programs, resources, and support systems to help families thrive.
Julie and her husband, Bill, have resided in East Sandwich for over 30 years where they raised three daughters together. Family and community remain at the heart of her life and work.
DAVE SULLIVAN
Production and Maintenance leader
Dave Sullivan is an experienced Production leader with a strong background in operation oversight and preventive maintenance management. At High Efficiency LLC, he plays a pivotal role in coordinating teams, resources, and schedules to ensure projects and maintenance programs are delivered safely, efficiently, and on budget.
As Production Manager, Dave oversees the daily Production of both the Installation and Preventive Maintenance departments. He manages scheduling, ensures technicians have the training, tools, and communication they need, and works closely with Comfort Specialists, Project Managers, Service Manager, subcontractors, and vendors to keep projects on track from start to finish. Known for his ability to align priorities across departments, he maintains high standards of quality control, safety compliance, and customer satisfaction.
In his role as Preventive Maintenance Manager, Dave has successfully expanded the residential membership base while managing large commercial accounts that require ongoing service. He serves as the primary point of contact for property managers and customers, ensuring reliable service, timely follow-ups, and long-term equipment planning. He also provides technicians with the necessary resources to complete maintenance cleanings and organizes data from visits to enhance future service efficiency.
Dave began his career in the construction industry in 2005, focusing on home remodeling on Cape Cod. He earned his bachelor’s degree from Bridgewater State University before joining High Efficiency in 2015 as an apprentice. Over the past decade, he has installed and serviced HVAC and plumbing systems while earning his Plumber’s License, Universal EPA Certification, OSHA certifications, HPIN certification, and advanced training on Trane and Mitsubishi equipment.
Across all his roles, Dave is recognized for his leadership, technical expertise, and customer-first approach. Whether directing large-scale installations or managing preventive maintenance programs, he combines strategic planning with hands-on execution to drive growth, operational excellence, and lasting client trust
RYAN EIDENT
Senior Sales Consultant
Ryan Eident serves the Cape Cod and South Shore communities as Senior Sales Consultant at High Efficiency. With a background that spans both construction and HVAC, Ryan brings a unique perspective to every project he takes on.
He began his career in hands-on construction, working across all phases including framing, roofing, siding, and painting. This early foundation gave him a deep understanding of how homes and commercial buildings are built and how they function within their environment. His growing interest in building science and energy efficiency led him to complete specialized coursework and move into the installation and servicing of high-performance heating and cooling systems.
Today, Ryan leverages that technical expertise in a consultative role, partnering with homeowners to design customized comfort solutions. He is dedicated to providing energy-efficient, long-term options through a process built on trust, education, and personalized service. His approach is simple: he isn’t satisfied until his customers are comfortable.
Born and raised in Barnstable, Ryan now lives in Yarmouth with his wife and daughter. With strong community roots and a wide professional network, he is proud to help local families and businesses make confident, informed decisions about their home comfort.
CAITLIN LAWSON
Comfort Specialist
Caitlin Lawson brings 6 years of sales experience to her role as a Comfort Specialist at High Efficiency. She is dedicated to leading with honesty, integrity, and respect—values that guide both her professional and personal life. Her goal is to help establish High Efficiency as the most trusted HVAC company in the Northeast by providing customer experience rooted in knowledge, transparency, and genuine care.
Caitlin is committed to becoming an expert in her field so that every homeowner she works with feels confident and well-informed when making decisions about their home. Known for her strong communication skills and ability to build lasting relationships, she excels at customer education and guidance. With a commitment to high standards of service and trust, paired with a drive for continuous improvement, Caitlin ensures that each customer interaction is meaningful and impactful.
Outside of work, Caitlin stays active with CrossFit and contact flag football. She also enjoys watching sports, relaxing at the beach, and capturing life’s moments through photography. Known for her humor and positivity, Caitlin loves bringing laughter and connection to those around her.
RICHARD “DICKIE” MOHRE
Comfort Specialist
As a Comfort Specialist at High Efficiency, Dickie Mohre helps homeowners and business owners find the best HVAC solutions to meet their comfort, efficiency, and long-term energy goals. Known for his professionalism, honesty, and approachable nature, Dickie takes pride in providing a smooth and informative experience for every customer — from the first consultation through installation and beyond.
With over 50 years of experience in the HVAC and plumbing trade, Dickie brings a lifetime of expertise, craftsmanship, and dedication to his work. A graduate of Wentworth Institute of Technology and a proud veteran of the United States Coast Guard, he combines technical precision with a service-minded approach. New to the High Efficiency team, Dickie’s wealth of industry knowledge and customer-first mindset make him a trusted resource for both clients and colleagues alike.
As a Cape Cod native, he leverages his deep understanding of the local market and community to ensure each customer receives tailored, reliable solutions. He believes communication is the key to success and leads every interaction with honesty, integrity, and total professionalism — always listening to customer needs and introducing them to innovative, high-efficiency products that enhance comfort and value.
Originally from Bourne and now residing in Sandwich, MA, Dickie enjoys spending his free time on the water fishing offshore, golfing, or following SHS Hockey where his sons serve as coaches. Above all, he values time spent with his family and the Cape Cod community he proudly calls home.
PATRICK McGILL
Service Manager HVAC & Plumbing
Patrick is the HVAC & Plumbing Service Manager at High Efficiency, where he oversees the daily operations of our service department. With over 18 years of experience in plumbing and HVAC, he ensures that customers receive timely, high-quality service while mentoring and supporting our team of technicians in the field.
He leads by example, fostering a culture built on accountability, honesty, and teamwork. Patrick’s expertise spans every aspect of plumbing, heating, and HVAC installation and service, as well as customer care. He holds multiple industry certifications, including those for boiler and furnace systems, heat pump and mini-split systems, Universal EPA, refrigeration, and fireworks certification, which reflect his dedication to professional growth and technical excellence.
Known for his problem-solving ability and commitment to customer satisfaction, Patrick plays a key role in maintaining High Efficiency’s reputation for reliable service. His leadership helps align technical expertise with company goals, keeping the service department both productive and profitable.
Outside of work, Patrick enjoys spending quality time with his five children and those closest to him. A lifelong vehicle enthusiast, he loves making every ride faster and more unique. Originally from Tomball, Texas, he now resides in Mashpee, where his children inspire his passion for mentoring the next generation of installers and service technicians.
SHAMUS CHRISTIAN
Project Manager High Efficiency LLC
Shamus Christian is a seasoned Project Manager at High Efficiency LLC, where he oversees HVAC and plumbing projects from post-sale execution through final customer handoff. With a focus on planning, scheduling, and quality assurance, he works closely with sales staff, technicians, and customers to ensure that projects are delivered smoothly on time and to the highest standard.
With over 23 years of experience in sheet metal fabrication and HVAC installation, Shamus began his career in 2004 after acquiring his initial licensing while serving in the U.S. Army. Over the years, he has earned a wide range of credentials, including Sheet Metal, Gas Tite, Blue Duct Installation, EPA Type I, II, and III, as well as Universal certifications. Additionally, he holds qualifications in Refrigerant Recovery/Recycle, Confined Spaces, and OSHA Certification. Since joining High Efficiency LLC in October 2018, he has become an integral part of the team, bringing technical expertise and leadership to every project.
Known for his hands-on leadership style, Shamus conducts pre-construction walk-throughs, manages system design using Manual J and Manual D calculations, and ensures timely deliveries of equipment and materials. He works directly with team leaders to bridge the gap between contract signing and successful installation. Throughout each project, he provides daily support to technicians, oversees installation processes, and maintains open communication with both the office and customers.
A strong believer in continuous learning, Shamus invests in ongoing training in areas such as service diagnostics for boilers and water heaters, as well as advanced system design software like WriteSoft. His problem-solving skills, honed on complex commercial builds, and his dedication to customer satisfaction make him a vital part of High Efficiency’s mission to deliver reliable, energy-conscious comfort solutions across Cape Cod and the South Shore.
Grounded in the values of respect, integrity, and accountability from his military background, Shamus lives by the philosophy: “Be better today than yesterday. Respect is earned and never ask of another what you won’t do yourself.”
Born in New Bedford and raised on Cape Cod from the age of 10, Shamus now resides in Mashpee with his wife and three children. He carries a family-first mentality into both his personal and professional life.
RICKY UVANITTE
Project Manager
As a Project Manager at High Efficiency LLC, Ricky Uvanitte plays a vital role in ensuring every installation—from initial planning to final walkthrough—runs seamlessly. Known for his leadership, technical expertise, and meticulous attention to detail, Ricky works closely with our leadership team each day to review schedules, coordinate changes, and set our installation crews up for success.
With over 20 years of experience in the HVAC and plumbing industry, Ricky brings both hands-on expertise and a deep understanding of what it takes to deliver top-quality installations. He holds an EPA Certification, Journeyman’s License, Hot Works Certification, OSHA 30, and Sheet Metal License—credentials that reflect his dedication to safety, efficiency, and professional excellence.
Ricky oversees every phase of the project process, from pre-construction walk-throughs to guiding lead installers and monitoring material flow to keep operations organized and efficient. His proactive approach ensures that every system is completed to the highest standards of quality, performance, and customer satisfaction. Beyond logistics, he remains directly involved in the technical side—assisting with duct design modifications, commissioning heat pumps and furnaces, and verifying that every system operates at peak performance.
Dedicated to providing outstanding customer experience, Ricky takes pride in walking homeowners through their new systems, explaining maintenance routines and smart control features to ensure lasting comfort and peace of mind.
Born in Brockton and raised in Bridgewater, Ricky now resides in Mashpee with his wife, son, and two dogs. When he’s not leading projects or mentoring technicians, he enjoys taking his boat out and spending time fishing on the Cape. Ricky’s experience, leadership, and unwavering commitment to excellence make him an indispensable part of the High Efficiency team.
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SERVING CAPE COD, THE SOUTH SHORE AND THE SOUTH COAST
COMMUNITIES WE SERVE
- Halifax
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- Hingham
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- Martha Vineyard / Duke’s
- County
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