Deep Retrofits

About Deep Retrofits

A deep retrofit is a home energy retrofit that reduces your household energy consumption by 50% or more.  Learn why that is important and what supports are available to get there.

Trefor, Wales - June 30, 2015: bungalows with solar panels on their roofs

Net Zero Homes

Net zero homes feature on-site energy generation that is capable of producing as much power as the household uses in a year. These are the homes of the future! Discover how net zero homes work and whether your home might be a good candidate to become one.

Passive House

Passive House is a voluntary, high-performance building standard that is internationally recognized, science-based and proven. Any building type or design can be retrofitted or built to the Passive House standard.