Refrigerant leaks in HVACR equipment – particularly commercial refrigeration systems -- are a significant problem.

Know what type of detector you are using, know how to use it, and ensure it’s capable of detecting leaks by calibrating it on a regular basis.

Hoshizaki America Inc. started shipping sushi cases with the energy efficient and environmentally friendly refrigerant, R600a, earlier this month.

EPA recently expanded its list of acceptable refrigerant substitutes for new refrigeration equipment to include R-471A and R-515B.

Refrigerant manufacturers highlighted their low-GWP refrigerants for both air conditioning and refrigeration applications at the 2023 AHR Expo.

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

RDSs are generally required in A2L systems that contain more than 4 pounds of refrigerant and can either be field or factory-installed, depending on the manufacturer.

Manufacturers are offering low-GWP refrigerant alternatives, as EPA is proposing a 700 GWP limit for most new comfort cooling chillers starting in 2025.

As people spend more time at home due to the lingering effects of the pandemic, the buzzwords that come to mind are comfort and convenience. The influx of smart controls and thermostats can help fulfill these desires.

A lot of refrigerant reclaimers aren’t charging for mixed refrigerants anymore, which may in turn, mean an opportunity for HVAC contractors to make more money.

The U.S. Department of Commerce is investigating whether Chinese HFCs are circumventing the 2016 antidumping duty order on HFC blends.

The EPA initially faced backlash from the industry regarding the sell-through mandate for certain HVAC systems. The Agency revised the provision by allowing one additional year, until January 1, 2026.

Food retailers shared their concerns and experiences with refrigeration systems that use alternative refrigerants at the Food Marketing Institute’s (FMI’s) 2023 Energy & Store Development Conference.

The transition to A2Ls will likely serve as an interim solution. Europe has already embraced propane in certain heat pump systems, and the U.S. may follow suit, albeit with a different low-GWP refrigerant.

ALDI aims to become the most sustainable grocer in the U.S., by committing to transition to natural refrigerants in all stores by 2035.

In preparing for the refrigerant transition, contractors and distributors should review their inventory and become educated on the regulations.

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

Both commercial facilities and residential domiciles are taking advantage of heating and cooling technology at accelerated rates.

As HVACR technology advances, contractors often find themselves navigating new learning curves on a regular basis. VRF is no exception.

Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation.

Geothermal heat pumps tap into a renewable source of energy to provide comfort for a home, and HVAC contractors can tap into this market for increased sales.

When changing the refrigerant within your pumping application, it is worth discussing the application with a process specialist.

The ManTooth™ Wireless Digital Pressure/Temperature Gauge from Yellow Jacket Products Division, Ritchie Engineering Co., is this year's gold winner in the Electronic Tools category.

Learn how HVAC companies can increase retention by giving their employees a stake in the company’s success through phantom stock plans.

EPA is counting on increased recovery and reclamation in order to maintain existing HVAC equipment, and finally, the numbers are going in the right direction.

In the seventh installment of this series, we ask if there are any special storage requirements for A2L refrigerants.

The upcoming expo will preview the future of the HVACR industry, with exhibitors from around the globe gathering to showcase new and upgraded products, technologies, and innovations.

This enables users to control their hydronic radiant panel, baseboard, or radiator to heat to the exact temperature and from wherever they may be.

This e-book includes a summary of sustainable HVAC developments, in particular of heat pumps and refrigerant changes to address climate change.

In this episode we're talking to James A. Hendler about the semantic web. We start with a definition of the semantic web and by discussing the main ingredients. We then look at (more or less) related topics such as prolog, artificial intelligence, wisdom of the crowds, and tagging. In the next section we discuss the core semantic web technologies: RDF, OWL, inference engines, SPARQL, and GRDDL. We conclude our discussion by looking at the status of the semantic web today and a couple of example applications.

In this episode we take a brief look at Jetbrains' Meta Programming System, a language workbench for creating external DSLs or for extending existing languages (such as Java). In a brief telephone discussion, Konstantin Solomatov explains what the system does and how it works. The system has recently been released into public beta and will be made available under then Apache 2.0 Open Source license.

This episode is about being a consultant in the software business.

We talk with Martin Laforest about topics ranging from how quantum computing works, which different models of quantum computing are explored, current and future uses of the approach as well as the current state of the art.

Recording Venue: Lucene Revolution 2012 (Boston) Guest: Grant Ingersoll Grant Ingersoll, a committer on the Apache Solr and Lucene, talks with Robert about the  problems of full-text search and why applications are taking control of their own search, and then continues with a dive into the architecture of the Solr search engine. The architecture portion of the […]

Charles Anderson talks to Mitchell Hashimoto about the Vagrant open source project, which can be used to create and configure lightweight, reproducible, and portable development environments. Vagrant aims to make new developers on a project productive within minutes of joining the project instead of spending hours or days setting up the developer’s workstation. The outline […]

Grant Ingersoll, founder and CTO of LucidWorks, talks with Tobias Kaatz about his book Taming Text: How to Find, Organize, and Manipulate It. They begin by discussing popular existing systems for the automated understanding of contextual information. One such system, IBM Watson, drew attention for its victory in the “Jeopardy” game show. They proceed to […]

Barry O’Reilly of Black Tulip Technology discusses Antifragile Architecture, an approach for designing systems that actually improve in the face of complexity and disorder.

Jeffery D Smith, author of Operations Anti-Patterns, DevOps Solutions, talks about how things can go wrong in development organizations and what DevOps has to offer with host Robert Blumen.

Ant Wilson of Supabase discusses building an open source alternative to Firebase with PostgreSQL. SE Radio host Jeremy Jung spoke with Wilson about how Supabase compares to Firebase, building an API layer with postgREST, authentication using GoTrue...

Jon Smart, author of the book Sooner Safer Happier: Patterns and Antipatterns for Business Agility, discusses patterns and anti-patterns for the success of enterprise software projects. Host Brijesh Ammanath speaks with him about the various common...

Paul Hammant, independent consultant, joins host Giovanni Asproni to speak about trunk-based development—a version control management practice in which developers merge small, frequent updates to a core “trunk” or main branch. The episode explores the technique in some detail, including its pros and cons and some examples from real projects, and offers suggestions on how to get started. The conversation touches on a set of related topics, including code reviews, feature flags, continuous integration, and testing.

Luca Galante, head of product at Humanitec, joins host Jeff Doolittle for a conversation about platform engineering. They begin by defining platform engineering and its relationship to, and distinction from, DevOps. Tracing platform engineering's history, Luca describes how internal developer platforms are fundamental, and then explores the goals of addressing complexity and reducing the cognitive load on developers by creating golden paths.

Jason C. McDonald, author of the book Dead Simple Python, speaks with host Samuel Taggart about leveraging quantified tasks to improve estimation, particularly across projects. They discuss the origin of the concept and its relationship with story points, and Jason offers examples to show how quantified tasks can capture nuances in software tasks that are often lost with story points. He also points to the ability to compare them across projects as a major advantage of quantified tasks. Among other topics, they consider also how to use quantified tasks to analyze the stability of a codebase. Brought to you by IEEE Computer Society and IEEE Software magazine.

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" Writing an entire article on the Apex 3 was a really easy task thanks to the higher actuation point and we did not make any mistakes like on the regular high-speed gaming-only keyboards. This is a good point to recommend when using the keyboard in corporate offices as well: the new SteelSeries domes are silent, while the full-size layout allows ... [PCSTATS]

"When it comes to mini-ITX AMD X570 motherboards there are only a handful to choose from. Today we are checking out ASRock�s offering which comes in the form of the X570 Phantom Gaming-ITX/TB3. We first saw the Phantom Gaming Series from ASRock with their Z390 Phantom Gaming X and we are hoping to see the same quality in the X570 Phantom Gaming-ITX... [PCSTATS]

Sage Regenerative Kitchen’s executive chef explains why she added meat to the menu—and why she believes so deeply in regenerative farming.

Young adult author Jordan Ifueko has created new worlds with her best-selling series Raybearer, centering Black characters and workers.

Immigrants faced repeated dehumanization on a vast scale during the 2024 election. An organizer reflects on what happened and how to move forward.

Gen Z voters are cautiously optimistic about the vice president. But they want her to end the Gaza genocide.