Leading U.S. cities are filling a crucial information gap in the residential real estate market by requiring home energy disclosures for potential homebuyers: a much needed transparency measure and consumer protection practice. This process provides buyers with an energy efficiency rating on every property listed for sale. An online resource and a support network are available for local governments that want to adopt similar energy disclosure measures.

Decades of advertising tell us that gas is cheap. Even without factoring in the cost of climate change, natural gas is no longer the least expensive choice for residential use. It’s a new era of cost-effective, low carbon, all-electric homes.

Heat pumps make homes comfortable, heat water, and even dry clothes. And they do it far more efficiently than other methods. It’s not magic, it’s science!

Zero energy homes are poised to go mainstream. Large builders have the scale necessary to launch the market into this new territory. Homebuyers save and builders profit.

Heat pump water heaters have been available for several years and are gradually gaining acceptance in new construction as well as in the replacement market. Here is guidance for the best application of this technology with an emphasis on colder climates.

Real estate appraisers and mortgage lenders have never embraced the market value of energy efficient homes despite convincing evidence. A new study by Freddie Mac provides more data in support of this added value.

Energy waste is rampant in the American economy. If waste were cut in half, it would reduce carbon emissions the same amount as closing all coal-fired power plants in the US. Each of us can make choices to help reduce this waste.

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.

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.

The rapid adoption of electric vehicles is an essential step in the transition to a post-carbon society. There will be challenges to making this transition to an all electric transportation system based on renewable energy. Luckily, positive energy buildings combined with modern transportation innovations may well be up to the task.

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.

This question is becoming more common as we begin to move past zero energy homes into the realm of positive energy. Homes can do more than power themselves. They can also put a huge dent in the energy use and carbon emissions from our personal transportation.