The CEO awards program seeks to honor C-level executives from around the world and across multiple industries, focusing on the personalities who drive successful corporations and organizations.

A living wall biofilter is an active filter system that removes contaminants and volatile organic compounds (VOCs) from indoor air.

Getting the right people on the team has always been essential for any company, in any industry, and HVAC is no exception.

Contractor-run training facilities allow company leaders to tailor the curriculum to meet their employment needs.

When it comes to training technicians, numerous HVAC contractors have elected to create their own academies, granting them the opportunity to equip technicians with the skills and knowledge that best fit their service models.

HVAC contractors have to focus on recruiting and retaining technicians by focusing efforts on learning and then providing what the current workforce is looking for.

The EPA has proposed a one-year extension for VRF systems using high-GWP HFCs.

Regal Beloit Corp. has become an expert in FER compliance by redesigning its products to meet the new standards, including the Genteq^® Ensite^® motor, DEC Star^® blower assemblies, and a new electronically commutated motor (ECM) to provide FER compliance for entry-level fans. These products were on display at the 2019 AHR Expo.

This electronically commutated motor (ECM) is an efficient, pre-programmed, dual-voltage, dual-rotation motor.

To serve customers who want to decarbonize and become more efficient, the folks at Regal Rexnord are leveraging new technology to meet new standards.

“Our goal is to make every Titan better, smarter, and faster in all the areas they are passionate about”

A ban on the installation of natural gas infrastructure in new buildings is coming soon to a town near you, and the local HVAC industry needs to be prepared — or maybe not.

Hunter Industrial, a division of the Hunter Fan Company, has donated and installed two HVLS fans to DCI Logistics.

Sensibo produces smart heating and cooling devices and IAQ monitoring products, allowing users to control their heating and cooling equipment with artificial intelligence, data, and sensors, while taking advantage of air quality data to optimize equipment use and reduce energy consumption.

While new technology can certainly help streamline certain aspects of HVAC business operations, like accounting and inventory management, it still needs to be viewed as a tool to augment the capabilities of employees, not replace them entirely.

The ACHR NEWS caught up with Johnson Controls’ “Game On” Roadshow at its final stop in Rochester Hills, Michigan.

Available for commercial and industrial applications, this product supports safety compliance inside of machinery rooms, mechanical equipment rooms, chiller plants, cold storage facilities, and walk-in freezers by monitoring for refrigerant leaks for numerous gases including HFCs, HFOs, HCFCs, CO2, and ammonia (NH3)).

This product line is designed for continuous gas monitoring in multiple application settings.

This professional-grade flue gas analyzer offers features tailored to HVAC professionals.

What should you consider when choosing a combustible gas leak detector?

When servicing a refrigeration system, it is important to accurately determine the true cause of the failure. Misdiagnosing the problem can often create additional system issues for you and the customer.

Now available with Bluetooth, this product provides users full access to all features of their devices, such as apps and email.

Technicians have the choice of using either a digital or mechanical manifold gauge. Each one has its benefits and disadvantages, which is why it may pay to own one of each kind.

Posted by Claire Dubois on Nov 11

Posted by Matt Corallo on Nov 11

Thermostats are like other pieces of interactive equipment: People are thrilled by each development but move on quickly when the next feature comes along.

The U.S. District Court of Appeals for the Ninth Circuit recently turned down the city of Berkeley’s request for another hearing in the case brought by the California Restaurant Association (CRA), which had challenged the ban.

New A2L-related code requirements will impact HVAC system installation and include warning labels, ventilation, leak detection, and limits on refrigerant amounts for comfort air conditioning.

“While the recent news is a formality, it makes the victory over these burdensome regulations official."

Not only has VRF technology been widely accepted by contractors and end users alike, virtually every major U.S. manufacturer is now offering these systems, as well.

Manufacturers are starting to introduce their A2L systems in the U.S., so contractors and technicians must learn how to service and install this new equipment.

This Michigan home is proof that even when achieving high-level green building standards, more can be done to improve sustainability.

Posted by Xen . org security team on Nov 12

Commercial building codes are mandating higher volumes of fresh-air intake than ever before. To help meet these ventilation requirements, more and more HVAC contractors and building owners are turning to dedicated outdoor air systems (DOAS). 

A visit to an ASHRAE event 30-plus years ago introduced David Heckler to VRF technology, and the distributor was won over. VRF systems now make up about half of his company’s business.

When it comes to this piece of critical infrastructure, operators need to be prepared to face new and sophisticated attacks.

Posted by Gordon Fyodor Lyon on May 05

Heat pump sales may look like they are slowing down, but research shows they are picking up speed.

Any furnace with induced draft combustion may occasionally exhibit unburned gas odor near the furnace in the off cycle.

Throughout March, voters will help the staff at Peterman Brothers select four charity partner organizations for 2023.

The decision is a win for the California Restaurant Association, which challenged the ban that took effect in 2020. The city has not decided whether to appeal.

Manufacturers will have five years, from the date the rule is published in the Federal Register, to ensure that new gas furnaces comply with the new minimum.

This winter, HVAC contractors might be dealing with a wetter winter than years past, coupled with more snowfall than maybe most people would like.

Taking a look at the major concerns around replacing an 80% furnace with a high-efficiency one such as venting requirements, drilling extra holes, and financial costs.

Using water to transfer heat energy into the home can minimize or even eliminate the issues of dry air and loud operation.

If contractors don’t have a plan in place to handle red tag furnace second opinions, they can expect some mistakes.

Posted by Ramu Burra via dev on Oct 31

Posted by Daniel Miller on Oct 31

This episode features an interview with the software security expert Gary McGraw. Gary explains why this topic is so important and gives several security deficiencies examples that he found in the past. The second half of the interview is about his latest book 'Exploiting Online Games' where he explains how online games are hacked and why this is relevant to everybody, not only gamers in their 'First Life'.

This episode features a discussion with Dan Grossman about an essay paper he wrote for this year's OOPSLA conference. The paper is about an analogy between garbage collection and transactional memory. In addition to seeing the beauty of the analogy, the discussion also serves as a good introduction to transactional memory (which was mentioned in the Goetz/Holmes episode) and - to some extent - to garbage collection.