Welcome to High Efficiency

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.

Our Mission

Since 2010, High Efficiency has been providing extraordinary service and value to every customer we serve. Every day, the High Efficiency team strives to provide the most innovative plumbing, heating and cooling systems to the South Shore and Cape Cod areas. We pledge to deliver services when our customers need us most, by providing regular business hours plus standard 24-hour emergency service. We take pride in the products and services we deliver and we focus on effective, long-term solutions rather than quick fixes for your HVAC problems. Our strength lies in our dedicated,highly trained employees who deliver unparalleled service and believe the primary ingredient in High Efficiency’s success is customer satisfaction. Our customers can rest assured that they will always be greeted by well groomed, drug free, trustworthy and caring staff with the utmost integrity — always.

At High Efficiency, we are always “under construction.” We continue to learn and to educate ourselves to make tomorrow better than today. We work passionately to bring our customers extraordinary service and value each and every day. For continued growth and prosperity, we focus on all types of employee education, including customer service, management, business, safety, and technical training. This keeps us ahead of the curve and on top of our game.

High Efficiency LLC is one of 3 sister companies owned by Craig Bishop & Julie Lawson. The other companies, Cape Cod Energy Solutions LLC and Home Contracting Solutions LLC, respectively a Home Performance Contractor and Independent Insulation Contractor, both work with Mass Save. Using Building Performance Institute (BPI) standards these two companies work with High Efficiency to seal your home’s building envelope while also providing proper ventilation for air and moisture. Upgrades can also be made to existing light fixtures and appliances. Together the services of our 3 companies increase your home’s comfort and help to lower energy costs.

Our Policies

Our market share continues to expand by establishing customer loyalty through networking and referrals. We develop customer loyalty by working with the customer closely and relentlessly to solve problems. We also provide the documentation necessary to support the project for the duration and beyond.


All our installations come with a one-year workmanship warranty and any service repairs are guaranteed for 30 days. We offer a free first year maintenance for each new HVAC system we install. Extended warranties, manufacturer’s warranties, inspections, and service contracts are also available.

Real customers, real stories.

Craig is the BEST!!!! He always gets the job done with a smile and is very knowledgeable, efficient, cost effective and leaves the work area clean ; ) Look no further for your HVAC needs!! Thought Alan was wonderful. He did a great job. Very efficient, neat, knowledgeable.
Mickey M
Sandwich, Ma