Continuous and rapid cycling is hard on a compressor, but the use of a simple time delay relay can mitigate the risk of compressor failure.

Success Group International recently hosted its fall 2019 Expo at the Gaylord Texan Resort & Convention Center in Dallas.

The benefits of building information modeling (BIM) and other technology advancements that allow the exchange of information on design and construction projects, including improving labor productivity and reducing costs for construction companies, are just the beginning of what can be achieved, according to a new study.

High-volume, low-speed (HVLS) fans can mobilize and destratify large volumes of air in any facility.

Filter fans perform a critical task of cooling equipment within electrical enclosures while also protecting equipment from harmful materials.

Evapco had an exciting fourth quarter of 2017, and they used the 2018 AHR Expo to build upon that success.

If a condenser coil is dirty or fouled, its ability to reject heat is severely affected.

With over 20 years of experience in natural refrigerants, Embraco’s compressor portfolio features products for commercial food service, food retail, merchandisers, and aftermarket segments. Conveniently, the booth was sectioned into these four different segments, so AHR Expo attendees could easily find the R-290 solution they were looking for.

Most outdoor units will have survived another winter intact, but nearly all will need some routine (or added) TLC to get into game shape.

Even if a system is replaced, if ductwork is undersized, the homeowner won’t be getting the best bang for their buck.

Having the right fleet management solution can increase employee accountability, efficiency, safety, and grow an HVAC company.

At a booth thick with traffic at the AHR Expo’s, commercial product manager Schlegel talked about Johnson Controls’ new YORK Sun Choice rooftop unit.

Commercial rooftop units feature a host of intelligent solutions to improve efficiency and ease of service/installation.

This phasedown has been expected for a while, which is why OEMs have been working diligently to identify alternative refrigerants that are safe and efficient.

Packaged rooftop units are the workhorses of the commercial market, providing cooling to approximately 60% of U.S. commercial building floor area.

While new DOE standards drive innovation and opportunity within the HVAC industry, they also add pressure and complexity for manufacturers.

Big-picture economic factors, such as inflation and rising interest rates, haven’t had much impact on RTU sales.

Garett Edde’s new role includes promoting, selling, and supporting Fujitsu’s residential products.

At the core of the BACnetIP solution is the QuickServer gateway, developed by a third-party integrator. This BTL (BACnet Testing Laboratories) certified gateway serves as a communications bridge between the Gen X System and a customer’s building management system.

Manufacturers are rolling out a wide array of new equipment that utilizes all types of refrigerants, providing end users with a number of new options to consider.

Store owners and managers are always looking for ways to lower operating expenses, and their refrigeration systems can be a good place to start.

Andy Kelso was named COO; Shane Lawrence, CFO; Brinnon Williams, vice president of residential business; and David Archer, vice president of commercial business.

The transition to A2L refrigerants will offer benefits to the environment, as well as business challenges for HVACR OEMs, distributors, and contractors.

Although evaporative cooling is great at saving energy, it does consume some water, but the benefits on energy savings outweigh the water usage, which in some places is a scarce resource.

Heat-only, direct-fired, and indirect-fired makeup air units have been added to the company’s product line. 

While ductless HVAC is not without its flaws, the technology has evolved exponentially to now provide customers with numerous configurations at affordable prices appropriate for nearly every application, which is music to the ears of entrepreneurial contractors.

This product line features voice-activated control through the Google Assistant on smart speakers, if the mini split has built-in Wi-Fi.

Many of Fujitsu General America’s Halcyon mini-split system products now qualify for Energy Star Most Efficient certification.

With over 1,000 Sunday service attendees and many church activities throughout the week, energy efficiency for the sake of cost savings was critical.

The two-story lake house totals 4,600 square feet above ground and 2,000 finished square feet in the daylight basement.

In today's economy, cost-conscious end users want to extend their HVAC equipment lifespan as long as possible. Regular maintenance on condensing units can help maximize their longevity and performance.

Economizers used in rooftop units and air handlers are multipurpose devices that can improve both the energy efficiency and indoor environment in a wide range of commercial buildings.

New Champion LX Series packaged units heat and cool residential and light commercial buildings. 

ProSpace packaged terminal air conditioner (PTAC) quiet comfort systems deliver air comfort and quality to the hospitality industry. 

The units feature an exact-fit replacement design that matches the units to footprints of other manufacturers’ units and eliminates the need for a curb adapter.

Fujitsu’s Technical Service Advisors event was held to strengthen manufacturer-distributor relationships and empower in-field technical support staff.

Technological developments are consistently improving the tools technicians have to use.

With the election of Donald Trump to President of the United States, the HVAC industry is wondering how this will affect the Inflation Reduction Act incentives.

Here are some of the top benefits of commercial HVAC automation and how new technology may soon make automated systems even more valuable.

The lab is designed to give students hands-on experience that will help them bridge the gap between classroom instruction and the needs of employers.

The expected surge in smart thermostat sales will have equipment manufacturers, many of whom have their own proprietary controls, competing with the well-known universal thermostat brands, such as Nest, Honeywell, and ecobee.

At this year’s AHR Expo, Fujitsu presented the ways it can make the pandemic’s new way of living more comfortable.

Posted by Gordon Fyodor Lyon on Oct 05

The DOE's new Rooftop Accelerator program encourages manufacturers to develop efficient commercial rooftop heat pumps for cold climates, which could reduce GHG emissions and energy costs by up to 50%.

With “heat pump” and “incentives” almost being synonymous at this point, contractors need to understand the basics to ensure customers are receiving the benefits.

This is a discussion with Janos Sztipanovits about Cyber Physical Systems and how DSLs are used to approach some of the challenges in that domain. Specifically, in the second part we talk about formalizing DSL semantics.

Peter Zaitsev explains: avoiding vendor lock-in, judging what databases are bad at, why not to copy the big players, when to "go with the crowd", when to use cloud services vs. running your own infrastructure, and the role of containerization.

Networking researcher Iljitsch van Beijnum discusses internet routing and the border gateway protocol (BGP) with host Robert Blumen.

In the wake of AIPAC’s ouster of two pro-Palestine congressional Democrats, a Jewish American digs into the reality of Zionist influence in American politics.

Rio de Janeiro’s Port Zone was once the largest slave port in the Americas. As developers work to “revitalize” the area, Black activists are fighting to retain the remnants of the district’s historical significance.