Concentration of CO2 in the Atmosphere

NH Builder Education Series

The NH Builder Education Series is coming back for 2023! Just like last fall, we will be offering FREE classes all over NH, covering topics like the Residential Building Code, Energy Efficiency, and Business Bootcamp. We will also have on-site trainings, where you will be able to visit homes currently under construction to learn. Official dates and locations will be posted online soon at:

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