The terms get used interchangeably, but an energy audit and an energy assessment are two different things. Understanding the distinction matters — particularly when you're making capital investment decisions or applying for funding that requires a specific level of analysis. We clarify what each involves, where they overlap, and how to choose the right scope for your situation.

Net zero HVAC design takes more than swapping equipment. Efficiency Engineering shares practical lessons from the field on designing mechanical systems that actually perform.

Decarbonization has moved from a future consideration to a present one. For building owners and managers, the question is no longer whether buildings need to change — it's how to approach that change in a way that makes sense for your asset, your tenants, and your long-term operating strategy. This article breaks down what building decarbonization actually involves, why capital upgrade decisions made today carry more weight than they used to, and how a phased approach can make the transition manageable.