Are you a homeowner or building manager?
Find a Contractor »

Author: John Bergman

John Bergman is the Technical Director of Green Dream Group's Chicago Home Performance division and is a Trainer/BPI Proctor for the Building Performance Workshop. He also heads up the multifamily high rise division, managing energy efficient buildings and ENERGY STAR Certification on a grand scale. He holds a degree in Civil Engineering from Virginia Tech, specializing on structural and geotechnical engineering and construction management. John has worked in both commercial and residential contracting, and loves his career in elevating the standards of both.

Prioritizing Your Energy Efficiency Upgrades

Most customers can’t make all your suggested energy upgrades all at once. So it’s important to help them prioritize the upgrades so they get the most benefit.

Manual J Calculations: What and Why?

If you’re installing a heating or cooling system in a single family home, you need to have a Manual J ‘right […]

Looking for an ACCA QA Accredited Contractor?

Are you a homeowner or building manager?

BECOME AN ACCA MEMBER

join now

PLUS It's Risk Free!