Through-wall ventilation

Good “fit” in small-space renovations By Christy Crocker THROUGH-WALL ENERGY recovery ventilation (ERV) units are relative newcomers to the residential ventilation and high-performance building arena, offering a practical ventilation solution when full-size units aren’t an option. The units are designed to blow in for 70 seconds and then reverse and exhaust out for 70 seconds.…

Driving electric: cleaner air, better climate down the road

By Dylan Voorhees Transportation is Maine’s largest source of climate-changing carbon pollution, and it mostly comes from the passenger cars and trucks we drive. While other sources of carbon pollution have declined in the last decade in Maine, carbon pollution from transportation has remained steady. Electric vehicles (EVs) represent an enormous opportunity to change this…

Breathe easy in your air-tight home

The case for whole-house ventilation By Tim King Across the United States, building codes are (slowly) changing to encourage the construction of tighter homes. That is, homes that incorporate new materials, designs and construction techniques that drastically limit the amount of naturally occurring airflow between indoor living areas and outdoors. The rationale? Reducing the amount…