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The Ultimate Guide to Green Heating

This Green Heating guide outlines how our individual actions, choices, and investments can have the biggest climate impact. Knowledge is power, so we’ll help you compare your most … Read more

Tactical Guide, Course Curriculum

Course Title: A Tactical Guide to Heating Technology for Improved Climate Impacts This course is for climate advocates who need to be certain that their advocacy is grounded in … Read more

Advisory Board

Robert Anderson In his role as senior instructor at Leading Challenges, LLC and 1 Hero Sports, LLC, Bob Anderson delivers Emotional IntelligenceTM training for Fortune 500 leaders and … Read more

Biogenic carbon Vs. geologic carbon graphic

Wood Heat is Essential to Carbon Drawdown

In order to avoid the worst effects of climate change we need to do two things: reduce pollution from heating our buildings, and maximize carbon sequestration in forests. … Read more

Sustainable Heating Workshop

The Climate Effects of Heating Our Homes and Businesses The best kept secret in green energy isn’t what you think. It’s technology that’s been proven in the field … Read more

Heat Loss

The two variables of of heat loss are a) geographic location, and b) building performance. Together they will determine the quantity of heat needed to maintain comfort.

Geographic location drives the building's “design day." Your design day is the difference in temperature between the inside and outside of your house on the theoretical coldest day of the year; so in the northeast we calculate a day that is -10ºf outside and comfortable 68ºf inside. This is referred to as the “delta-T” value. A typical delta-T for the northeast is 78º.

Building performance is the big one because there’s nothing we can do about geographic location. Today we can build a really tight thermal envelope, but most of our heating pollution comes from the millions of homes built over the last 100-150 years. We are getting better at buttoning-up those old buildings with insulation and weather sealing but weatherization is still  never going to be enough to overcome the heat loss from a 78º delta-T. That means we need heating systems that can quickly put a whole lot of heat back into those old houses on the days that are really cold.