August 23, 2017

Is Cleaner Really Greener?

I cleaned the dust off of my solar panels and saw a 6.8% increase in production. Is it really worth the trouble? That depends.
Read Article

July 24, 2017

Simple Techniques for Lowering the Cost of Zero Energy Homes

How can can costs be cut on the construction of affordable zero energy homes? This Habitat for Humanity zero energy home demonstration project documented $3,000 in construction cost savings.
Read Article

June 25, 2017

Builder Profile: Solaire Homebuilders

Mike and Cindi O’Neil share some lessons from more than 20 years of building high-performance homes. Now the company specializes in zero energy homes. Learn what draws clients to them and how they have made energy efficiency their bread and butter.
Read Article

June 20, 2017

Energy Efficiency in Multifamily Projects – A Win for Lenders, Borrowers and Renters

Perhaps the biggest barriers to energy efficiency in multifamily buildings are not technology, but business and finance. A new handbook shows you the ins and outs of financing. Written for project owners and lenders, this guide includes many specific suggestions and examples.
Read Article

June 19, 2017

Product Spotlight: Recouperator ER80M

Many zero energy homes and apartments are too small for standard-size central ventilation systems. This new product from UltimateAir addresses this market with small size, variable-speed operation, and high efficiency.
Read Article

May 22, 2017

CO2 Takes Heat Pump Water Heaters to the Next Level

Heat pumps are revolutionizing home water heating. Now there’s a product that reaches new heights of efficiency and carbon neutrality and can be used in a variety of applications. It’s a split-system CO2-based heat pump water heater that works even in very cold climates.
Read Article

May 21, 2017

Why Zero Energy Homes Seldom Use Natural Gas

Electricity powers virtually all zero energy homes, while most conventionally-built homes use natural gas for space and water heating. Why is that? In a nutshell it has to do with cost, efficiency, and climate change.
Read Article

April 17, 2017

Energy Saving Product Spotlight: Lunos Takes the Ducts Out of Ventilation

Tight homes need efficient, effective ventilation. Until now that has been accomplished by a heat recovery ventilator with an elaborate duct system. Now there is an option that ventilates and recovers heat, without the ducts.
Read Article

April 15, 2017

New Book Review: Design Professional’s Guide to Zero Net Energy Buildings

When an architect and an engineer get together to write a book, you know it will be interesting. Better yet if both of them are the same person. Here’s a book that should be on every building and design professional’s bookshelf.
Read Article

March 23, 2017

Why Build Zero Energy Homes?

Sam Rashkin, Chief Architect at the U.S. Department of Energy’s Building Technologies Office, outlines the case for building and designing zero energy and zero energy ready homes.
Read Article