The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by comparing the energy output to the energy input of a unit. This rating is ...

Passive houses, also known as "Passivhaus", represent a construction model that integrates energy efficiency, comfort and ...

With utility costs soaring, getting the best bang for your buck is more important than ever— and improving your home's energy ...

The Environmental Protection Agency has hinted at plans to shut down its Energy Star offices. A consumer looking to compare ...

Seven-star energy ratings are becoming a popular measure of a home’s energy efficiency, but they’re not always what they seem. Here’s what you need to know about energy star ratings, with ...

The home has an energy efficiency rating of 11 — the baseline on the index is 100, with lower scores representing higher efficiency — and its estimated annual energy bill is $305, according to ...

Energy efficient homes with a 7-star rating will be a requirement of new builds from next October. ... "It is saving us close to $3,000 a year in energy over the previous ex-government house." ...

More than 1.3 million detached houses in Victoria alone are estimated to have a NatHERS rating of two stars or less. The Energy Efficiency Council estimates moving a one-star house to four stars ...

Colin Ferguson’s home may well be the ultimate net zero property – at least in theory. The detached house in Perthshire, Scotland, was rebuilt from the ground up to be as energy efficient as ...

A home with this score is about 20 percent more energy efficient than a home built to the standards of the current Iowa energy code, the memo states. Sarah Gardner , the city’s climate action ...