WE’re Energy Code Experts

We are building scientists focused on energy conservation



With a team of RESNET Certified HERS Raters, we’re equipped to guide you through the energy code and to meet the required HERS Index Score.


LEED Certification or LEED Certifiability is required on many large projects in Boston, Cambridge, Somerville, Medford and surrounding cities. Let us be your partner is achieving this goal.

ENERGY STAR for homes

ENERGY STAR certification shows buyers that you’ve met strict energy code requirements. It can also be an alternative path to energy code compliance if the required HERS Rating cannot be obtained.


New Homes, Renovations and Additions all must comply with varying provisions of the energy code. We help you navigate this process and make recommendations.


PHIUS+ Certification is a well-recognized proven construction standard and quality assurance system.


Boston ISD requires IECC Energy Code compliance for long form renovations. Contact us to see how we can help.

Mass Save Programs

Enroll your project in Mass Save for additional benefits and incentives. We manage the whole process for you. There is a program for New Construction as well as Renovations and Additions.

Multi Family Buildings

Allow us to be your partner from design to completion to guide your project through the energy code with cost effective options. HERS Ratings, ENERGY STAR® and LEED Certification options available.

Manual J/D/S Calculations

HVAC load, sizing and design is critical to building occupant comfort. Our team ensures your system is the best fit for your building.

Lets Get Started

We're READY to work with you

What Our Customers Say
“Sustainable Energy Analytics was a great addition to our team. They did their job and more. They found issues that could have really had negative consequences and proposed practical solutions. We have a much better building as a result”

Vice President

Large Multifamily Developer

“We’ve always built high quality homes, but now with Sustainable Energy Analytics on our team they are even better. According to Mass Save, we now build homes that use 50% less energy over a standard, code built home”


Custom Home Builder West of Boston

About Us

Sustainable Energy Analytics(SEA) is a construction services firm centered on energy conservation. As a full service, highly-responsive, service-oriented residential energy consulting company we help builders, developers, architects,  homeowners, contractors and subcontractors achieve superior results. Our team members have varied backgrounds  (engineering, general contracting, homebuilding, building science, and business) but one common goal: to help you carry out your project vision. Our team approach allows us to serve you better with our collective knowledge and experience, our responsiveness, and availability for answering all your energy code and compliance concerns. We are RESNET and USGBC trained and certified and have years of experience we bring to each and every project to ensure a successful outcome.

SEA is an ENERGY STAR® partner, a member of the Residential Energy Services Network (RESNET), U.S. Green Building Council (USGBC), the Building Performance Institute (BPI), the Northeast HERS Alliance (NEHERS), and the Northeast Sustainable Energy Association (NESEA).



Contact Us

We’re located in Waltham and provide services across Massachusetts, including Greater Boston, Metro West, North Shore and South Shore. For large Multi Family projects we cover all of New England.

Fill out the form below, email us at energystar@sea.us.com or call our office at 781-790-5718

Tell us about your next project. We look forward to working with you!