Seven times more heat can escape through a window than a wall. There are more choices than ever to balance energy performance with the other important benefits of windows. Choosing windows wisely will help close the gap.

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 buildings are here and growing in the market. Now it’s time to set our sights on the next step in the evolution of building design and construction: zero carbon.

If you’ve ever heard that a mini-split heat pump wasn’t fulfilling its potential there is no mystery — the problem was almost certainly errors in design or installation. Here’s everything that needs to happen for a proper installation and reliable performance.

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.

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.

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.

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.

This middle-class family disconnected from fossil methane and saved money. See their step-by-step approach to powering their home and car with renewable energy.

There is a housing affordability crisis across the United States. Here are eight ways that zero energy helps make homes affordable for those that need it most.