Description: The TEK line offers three new models that feature backward curved airfoil wheels. The impellers combine precision injection molding techniques with modern high-strength plastics to ...

Greenheck makeup-air models DGX and MSX can now be configured with a direct-drive, backward-curved plenum supply fan. The DGX-P and MSX-P offer additional design solutions when an application requires ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Staying cool during summer months can sometimes be a challenge, especially when you're walking around ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...