The Inaugural World Police Summit Created a Superb First Impression

March 14th-17th, 2022—When Klas Haglid, P.E., R.A. of Haglid Engineering & Associates, Inc.® touched down in Dubai, the city’s architecture naturally appealed to his design sensibilities. Honored with an invitation to speak at the first ever World Police Summit, he would recognize the city’s state-of-the-art skyline as the perfect backdrop to the event, which focused on the latest international research, best practices, technical expertise, and innovative technology in law enforcement.

Maintaining a Fixed Plate, Counter-Flow Heat Exchanger

When Building Performance Equipment, Inc. decided to design a high-performance Energy Recovery Ventilator, they went with a fixed plate, counter-flow heat exchanger instead of an enthalpy wheel design for many reasons. Turning out a system that runs clean thanks to practically no contamination between airstreams was one.

Vetting Ventilation for Hot Yoga

The energy-efficient best bet for a heated studio. What’s the fuss over Hot Yoga? Also known as Bikram Yoga, the practice is held in heated studios to increase yoga’s effects on muscles and various systems of the body. Unfortunately, the heat and humidity desired by...


If you haven’t heard about it yet, PACE, or Property Assessed Clean Energy is the unique financial tool that allows building owners to fully finance energy conservation measures with no money down. Because PACE projects must be “cash-flow positive,” this long-term loan is generally paid back out of savings realized from the upgrades!
The 2019 ASHRAE Handbook was updated with a peer-reviewed technical evaluation of PACE in Chapter 38, HVAC Applications – Owning and Operating Costs by Klas C. Haglid P.E., R.A., C.E.M.

Reap the Rewards of Regenerative Condensate Return® Technology

A sustainable, earth-friendly mindset requires us to make use of everything we can in an efficient manner. Sometimes, we can even make use of something we would rather not have. Take condensation for example. What happens when the condensation that forms after humid air cools settles inside HVAC equipment?

It’s Up to You, New York — NYC introduces extreme measures to fight emissions

It’s no secret that New York City is an international epicenter known for making huge deals and marching to its own drum. However, the big deal that went down on April 22nd, 2019 is in a category all its own. The city has given sustainability hero California a run for its money through the Climate Mobilization Act, which rolls out emissions reduction goals that surpass The Golden State’s efforts. Also known as the Green New Deal, the 10-bill initiative aims to meet goals set by the Paris Climate Agreement and seeks to remove the equivalent of one million cars from the road by 2030. The Green New Deal is not simply impressive—it’s the largest carbon reduction effort begun by any city worldwide.