David Johnson

Director of Engineering, Berner International

David Johnson occupies the position of the current Director of Engineering Berner International. He has been a part of the company for nearly 30 years.

News mentions

ASHRAE Standard 90.1-2019 Allows Air Curtains To Be Used As Vestibule Substitute

Good news for building owners, engineers/architects, and HVAC contractors who can now save energy, construction costs, and space in commercial facilities with this latest approved code addition. Doorw...

Berner Shares Approved Code Addition, ASHRAE Standard 90.1-2019: Air Curtains Allowed As Vestibule Substitute

Good news for building owners, engineers/architects, and HVAC contractors who can now save energy, construction costs, and space in commercial facilities with this approved code addition. Doorway air...

HVAC Experts