Canada’s Blade Air, a provider of sustainable indoor air quality solutions for commercial spaces, has acquired Toronto-based residential HVAC filtration manufacturer InnerEco Environmental Inc.

The Hollingsworth & Vose High Efficiency & Specialty Filtration business serves HVAC, clean room, facemask, appliance, analytical and other markets..

Woosh, a technology company focused on improving indoor air quality and HVAC (heating, ventilation, air conditioning) performance, has raised US$1.3 million in a pre-seed funding round.

Neenah Filtration has introduced the use of polycarbonate materials to its NeenahPure special series to provide low energy usage for HVAC pleatable and bag filter elements.