January 16, 2020

The Challenges and Opportunities of Exterior Air Sealing

Good news! You can choose from more methods than ever before to reach the high levels of air tightness needed for zero energy construction. Many builders find it less expensive to seal the exterior structural sheathing. Here are six effective methods to consider.

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November 18, 2019

2020: The Year to Go Zero

Time has run out. A climate crisis is upon us. Only immediate and dramatic action can blunt the catastrophic consequences of a “hot house earth” scenario. There are a variety of actions that almost that every citizen of Planet Earth can take. Together we can make a real difference!

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November 14, 2019

Planning Your Zero Energy Ready Home

Although the price of solar panels has plunged in recent years, they are still the most expensive element of a zero energy home. It’s okay to defer installing panels until the time is right. Here’s how to plan your zero energy ready home so it’s ready for solar when you are.

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October 17, 2019

Risky Choices When Buying a Home: It’s no Game

People don’t always make rational choices. Why would a home buyer purchase a conventional home that is actually more expensive overall than a high-performance home? It’s all about how people assess risk. Erase40 provides a tool to help homebuyers make better decisions.

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September 9, 2019

LEED v4.1 Goes Zero

The U.S. Green Building Council (USGBC) announced an update to Leadership in Energy and Environmental Design (LEED), the most widely used green building program in the world. What’s new with LEED version 4.1? Net zero certifications for carbon, energy, water and waste. With these certifications and and its upgraded recertification program, LEED is truly a leader in encouraging climate-friendly green buildings.

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July 14, 2019

Zero Energy: the Ultimate in Green Building

Energy efficiency is at the core of all green building certification programs. It’s time to ratchet up these modest improvements to make homes as green as they can be by operating them entirely with clean energy.

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April 8, 2019

Zero Energy Buildings are Much Healthier Than Conventional Homes

As described in Part One, indoor air can be unhealthy. When you invest in zero energy, you’ll also get something even more important than money in return. Zero energy buildings are also healthier. Here in Part Two of this three-part series, you can read about all the components of zero energy buildings that make this invaluable benefit possible.

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March 15, 2019

Zero Energy Homes: Tunneling Through the Electrification Cost Barrier in Cold Climates

The move away from fossil fuels requires that buildings and vehicles be powered by electricity from renewable sources, such as wind, solar, etc. All-electric homes in cold climates present a challenge for comfort and cost, but those barriers have fallen to recent developments in design and technology - making all-electric homes desirable even in cold climates.

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February 15, 2019

My Zero Energy Pool is a Great Investment!

Swimming pools are great fun, but they have high running costs and a high carbon footprint. David Green cut both. Now his pool running cost is zero and so is its carbon footprint.

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January 16, 2019

Mandalay Homes: Zero Energy Grid-Integrated Neighborhoods that Solve the “Duck Curve”

To stay competitive, a production builder must find a good balance between cost, price, and profit. Here’s the story of one builder who has successfully added high-performance, clean energy features to their standard offering. More importantly this builder has developed an elegant solution to the challenge of solar-powered homes producing energy when it is not needed by the grid.

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November 12, 2018

Stand up and be counted!

If you design, build or are otherwise involved in a new zero energy home or building, the Net Zero Energy Coalition wants to hear from you. They have been tracking the significant growth of zero energy buildings for several years. In 2017, there were 70% more projects than a year earlier. Submit your project for the annual inventory and be counted!

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July 20, 2018

Passive House Busts High Cost Myth

The first certified Passive House in Scranton, Pennsylvania, offers more than super energy efficiency. It demonstrates that high-performance homes can be built for the same price as code-built homes.

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