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.

Upgrading the energy performance of walls in an existing home is the most challenging aspect of a deep energy retrofit. One of these eight options will work for just about any zero energy renovation.

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.

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.

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.

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.

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.

For most people, developing a vacation rental would be about profit. For these two Washington state couples, it was about much more. Oh, and the profit is there too.

Every buyer wants an energy-efficient home, but there are so many factors to consider that many buyers become overwhelmed. Did you know that the energy performance of any home can be expressed in one simple-to-understand number? Here it is.

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.