Building & Powering an Award-Winning Net Zero Energy Home

Can a home be beautiful, powered entirely by solar energy, use sustainable heating and cooling systems and save it’s owners roughly $3,500 a year? Why, yes it can. Just ask Joanne Coons, who built her award winning, single-family, Net Zero Energy Home in 2010. Sustainable Woman Joanne talks Net Zero standards, efficient appliances and goods, her […]

Infrared Thermography as a Quality Control Method for Foamed-in-Place Insulation – Injection Method

Updated from the original printing in SPIE Vol. 1094 Thermosense XI (1989)

Since November of 1985, FOAM-TECH has been utilizing an I.S.I. Model 91 Videotherm Camera to quality control the installation of foamed in-place (injected) polyurethane and polyisocyanurate insulation.  Monitoring the injection of foam into the walls and roofs of new construction and during the retrofitting […]

Building Codes, Efficiency & Passive House Principles On Existing Homes

On the Passive House in the Real World (with Mike Duclos) discussion board… 
Takeaways:

Homeowners looking to incorporate Passive House principles in existing buildings should consider getting a home energy audit. Still, after a home is built, serious energy reductions (say 50% to 90%) become very expensive.
Attic insulation adjustments and window treatments offer more immediate fixes toward energy efficiency.
Electricity is typically our dirtiest fuel, […]

Principles of Deep Energy Retrofits: Homes & Buildings

Principles Underpinning Deep Energy Retrofits (DER) of Both Homes and Non-residential Buildings
In this article, Marc Rosenbaum discusses…

Examples of both Home and Non-Residential Building retrofits
Upgrades to energy and mechanical systems in older buildings
Heating cost and air quality differences between DER spaces and non-DER spaces
How you can learn more about Deep Energy Retrofits through HeatSpring

Deep Energy Retrofits […]

3+ Ways to Replace Spray Foam Insulation in Your Basement

Here’s a discussion feed from one of our best-selling courses, Zero Net Energy Homes. In the discussion, one of our students asks Marc Rosenbaum for foam-free ways to retrofit her New England basement.

Here are the alternatives to spray foam discussed below:

Expanded cork board insulation
Rigid rock wool
Mineral wool batt to conform roughly to the rubble wall […]