February 14, 2020

What Good is Zero if You Keep it a Secret?

Zero energy homes have many benefits, and builders need to get better about sharing them with potential homebuyers. How can we expect buyers to choose zero if they don’t have a good answer to the essential question: Why? Here are several ways to answer that question.

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January 22, 2020

Achieve Comfort and Reliable Performance with Cold-Climate Heat Pumps

Heat pumps are on track to replace heating systems that burn fossil fuels. Modern inverter-driven models can be extremely efficient, even at low outdoor temperatures, and they are capable of supplying all a home’s comfort needs. Here are three tips for builders and HVAC contractors to reach peak heat pump performance and keep customers happy.

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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 18, 2019

Energy Efficiency is Necessary but Not Nearly Sufficient!

Ask people how to reduce greenhouse gas emissions from buildings and most will say “improve energy efficiency.” That may be a step in the right direction, but it’s time to adopt a better measure – a building’s total carbon emissions.

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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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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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June 3, 2019

Financing Energy-Saving Improvements and Zero Energy Homes for All

Saving energy is the same as earning money. You can use these earnings to finance energy improvements that pay for themselves. Learn how to turn a monthly expense into more comfort and value in your home.

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April 8, 2019

Everybody Wins with Zero Energy Homes!

High performance homes are a great investment for the homebuyer, no matter how you measure it, as described in Part One of this series. But there are also many non-monetary benefits for the homeowner. These highly efficient homes are a win for everyone involved, including builders, realtors, lenders and utilities. Here’s a powerful list.

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April 8, 2019

How To Improve Indoor Air Quality in Zero Energy Renovations

When addressing indoor air quality, let’s not leave out existing homes and buildings. The same principles that make new zero energy buildings more healthy can also be applied to existing homes, whether during minor upgrades or major renovations. The return is in improved health and comfort. This is the final installment of our three-part series on indoor air quality and health.

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March 23, 2019

Zero Energy Homes – A Financial Win for Homeowners

In Part One of this two-part series we show the real financial returns for zero energy homeowners. — “A penny saved is a penny earned,” according to Benjamin Franklin. Let’s start thinking about energy improvements as investments that bring a financial return. Here are four ways to evaluate the financial performance of zero energy homes. They all demonstrate that zero energy homeowners benefit financially, making zero a wise investment.

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