Embodied Carbon Credits
The new embodied carbon credit offers an optional three-point HERS add-on under subsection R406.5.2 of the Stretch Code.
VIDEO: How to Properly Service Your Air Source Heat Pump/Mini Splits
The team at We Clean Heat Pumps walks us through how they clean air source heat pumps and why it’s so important to service them regularly.
The Critical Role HERS Raters Play in Mass Save’s 2025 All-Electric Home Program
The Mass Save 2025 All-Electric Home Program and the Critical Role of HERS Raters The Mass Save All-Electric New Construction Home Program, supported by various energy sponsors in Massachusetts, is…
Robust Mass Save Incentives for Renovation & Addition Projects in Massachusetts
Mass Save is offering up to $60,000 for renovation & addition projects that meet the Tier 2 requirements in their new 2025 Renovation & Additions Incentive Program. It’s a great time to make the switch to all-electric!
2024 Energy Code Changes + Important Mass Save Updates
On 7/1/24 there will be major changes to the HERS requirements & on 9/30/24 Mass Save will no longer be able to issue incentives for fossil fuels.
What is Embodied Carbon and Why Does It Matter?
Climate change is the existential crisis of our time and Embodied Carbon plays a major role. Learn about why it matters and how you can help make a difference.
What Is a HERS Rating & How Can It Help Me?
Whether you have performance goals, need to meet code compliance or are interested in incentives through the Mass Save® program, learn how a HERS Rating can help you.
Stretch Energy Code & Municipal Opt-In Specialized Building Code FAQ’s
Has the city or town you are building in adopted the Stretch Energy Code? Check out our Stretch Code Q&A article to learn more.
Building Performance Testing
Performance testing is integral to the HERS Rating process. Learn how this suite of tests allows us to quantify the performance characteristics of your home.
Air Sealing With AeroBarrier
Learn how AeroBarrier™ can significantly improve your indoor air quality and reduce your heating and cooling costs.
Video: What is a RESNET HERS Rating?
Curious about what goes into a RESNET HERS Rating? Check out the video we did with NS Builders to find out!
$2500 & $5000 45L Tax Credits
The Energy Policy Act (EPACT) 45L tax credits of $2500 per qualified residential unit are back! Call us at 508-833-3100 to learn more.
Check Us Out on This Old House!
We perform a blower door test on Episode 4 of This Old House’s 2020 Idea House Build: Cottage on the Cape series!















