Three New Free Resources

By Tad Everhart


Does PV Mean Less Insulation?

Marc Rosenbaum poses this question in a recent Passive House Massachusetts conference presentation, available as a free 27-minute heatspring video: Beyond Zero Net Energy: PV + Storage.

Marc explores the winter gap between onsite PV and space heating energy consumption existing even in positive energy (annually) homes. In particular, he examines the potential for lithium batteries to increase the amount of onsite energy production which can be used onsite, critically important depending on net metering rules.

At the end of his presentation, Marc illustrates the relative contributions of the building’s space heating demand, PV production, and battery storage capacity.  Passive House thermal performance is still relevant in the new SolarCity/Tesla Powerwall world.


Is it Wise to Pitch Passive House’s Environmental Benefits?

Conventional wisdom is that while we may be environmentally-conscious designers and builders, its better to lead with Passive House’s comfort, indoor air quality, health, and cost benefit when speaking with potential clients.

That’s what potential homebuyers, renters, and lessees want, right?  Heck, a substantial minority of them voted for a President who says climate change exists only because of a Chinese conspiracy.

We could be wrong.

A new free report by the Shelton Group suggests it is safe, even smart, to lead with Passive House’s environmental benefits.

Shelton Group’s Playing the Planet Card reveals the New American Mindset:
90% think the average person should be taking steps to reduce their environmental impact,

64% believe humans are changing the climate,
67% are convinced their personal conservation habits can help prevent climate change, and
52% are “anxious” about climate change.

Shelton Group uncovers our challenge: only 6% of survey respondents identify the energy they use in their home as the number one man-made cause of global warming.  21% of them identify car and truck emissions.

The authors very helpfully suggest the most effective talking points to help potential clients connect the dots between their commitment to the environment and a Passive House building.


Passive House Canada’s Developer’s Guide

Passive House Canada recently published a Developer’s Guide with beautiful photographs and clear, concise text.  Potential clients interested in Passive House will appreciate this guide.