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Thybar: Custom Made Roof Curb

A Thybar Retro-Mate® is custom made to adapt your existing roof curb to a new rooftop unit. It saves time and costly roof reconstruction, preserves roofing integrity, reduces system downtime, and takes advantage of existing ductwork.




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Why I’m Building a Career in HVAC: Race Harber’s Perspective as a Gen Z HVAC Professional

A new generation is discovering that a four-year degree isn’t necessary to be successful.




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Hydraulic Institute Unveils 2 Training Programs

The Hydraulic Institute's new on-demand courses are designed to support the pump and fluid-handling industry with workforce development and onboarding resources.




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Navien Starts Shipping New NPF Hydro-furnace

The NPF Hydro-furnace, Navien Inc.'s first HVAC product, claims an annual fuel utilization efficiency of 97% and can be outfitted to burn either natural gas or liquid propane.




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Carrier Teases Futuristic, Hybrid, Battery-Backup HVAC Units

At Climate Week NYC, a breakthrough HVAC technology that could help homeowners avoid peak pricing while also addressing growing concerns of over-stressing the grid was announced. 




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NREL Discovers Humidity Is Why A/C Units Consume So Much Energy

Colorado researchers found that on average, more than half of the energy consumed by residential air conditioners deals with the humidity on a hot day.




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Takeaways From Honeywell’s 2023 Healthy Buildings Survey

Office workers across five markets have increased expectations when it comes to their building’s IAQ and carbon footprint and reported the responsibility falls directly on their employer or building manager.




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Project Files: Episode 50 — Synchronized Hydronic Loop Saves Towson Court House HVAC

When it began “raining” inside the Towson Court House, a leaky roof was assumed to be the culprit. But for the Maryland Department of General Services, the truth turned out to be much stranger.




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Hydronic Heating Goes High-Tech

Hydronic radiant systems are quiet, easy to zone, and don’t stir up dust, germs, or allergens. And with the right controls, accessories, and installation methods, hydronic radiant can help achieve energy efficiency.




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Five Reasons to Choose Hydronic HVAC Systems

With rising energy prices and new legislation escalating demand for more efficient buildings, modern hydronics presents a viable solution to reduce HVAC systems’ negative impact on the environment.




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Superior to Build Hydrogen-Fueled, Zero-Emissions Boilers

The DCC boiler eliminates greenhouse gas emissions, providing a clean and eco-friendly source of steam for various industries and applications, Jericho Energy Ventures said.




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Project Files: Episode 65 — Zero-Emission Hydronic Heat at Brooklyn Brownstone

The home now has a 3.9 kW solar array that offsets nearly 100% of the System M and grid power supplied from the clean-sourced ConEd program — meaning that the house has zero emission heating, cooling, and hot water.




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Using Hydronic Systems to Advance Sustainability Goals

Hydronic zone systems have proven themselves to be a sustainable heating and cooling option with a longer lifespan, and potential for cost savings.




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Why Actuators for Connected Industry Run on Brushless DC Motors

The flow control industry has stubbornly clung to pneumatic actuators, specifically in the American market, for decades.




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An HVACR Distributor's Guide to ERPs: When, Why, and How

Today, HVACR distributors rely on enterprise resource planning (ERP) software to handle nearly every level of their operations. Vendor data, turns, dead stock, cycle counts, sales margins, and much more can be accessed directly from a computer or, in some cases, a mobile device.




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Phyxter: Parts App

This instant messaging system acts as a virtual business partner by curating a contact list of nearby wholesalers and sending a quote request to multiple suppliers at once.




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Fabric Duct and Specialized Airflow Used to Keep Swimmers Healthy

How can an effective airflow strategy ensure quality ventilation and optimal indoor air quality, without breaking the budget?




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Three HVAC System Vital Signs That Help You Identify Unhealthy Systems

Poorly installed HVAC systems work twice as hard as they should and suffer from a wide variety of invisible health problems.




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Five Ways Software Promotes Responsible, Efficient Hydronic System Design

While hydronic systems have long been recognized for their energy-saving properties in HVAC and plumbing applications, designing an efficient hydronic system and narrowing down the necessary system components can be challenging.




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Hoshizaki America Inc. Transitions Sushi Cases to Hydrocarbon R600a Refrigerant

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




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Why You Should Study Your Technicians’ Readings

One Stop Cooling studies technicians’ readings recorded on service calls. If you do the same, you might be surprised with the mistakes you find.




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Mini-Splits Make for Comfort, Convenience, and Healthy Indoor Living

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




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Why More HVAC Contractors Should Offer Duct Cleaning Services

Over time, dirt, dust, pet dander, debris, and more accumulate in air ducts. And since the HVAC system works basically as a whole-home vacuum, all of that is recirculated through homes when the HVAC system runs, unless the ducts are cleaned out.




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Why Remote Startup for Variable Frequency Drives is Essential

Selecting a VFD that features remote startup can decrease the number of individuals needed onsite and provide valuable safety benefits.




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Why Changing Refrigerants May Mean Your Existing Pump Needs Replacing

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




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H2VAC: Using Hydrogen Fuel to Decarbonize Heating and Cooling

Discover how hydrogen fuel is poised to revolutionize HVAC systems by reducing carbon emissions and easing strain on electric grids, driving the industry toward a decarbonized future.




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Time to Recommend Comfortable, Efficient Hydronic Technology

Here in the Santa Fe, New Mexico, area — and all across the nation, it seems — everyone wants to be “green.”




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The AHR Expo Finds Atlanta Is Just Peachy

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.




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Hybrid Heat Pumps Offer Practical Compromise

Hybrid systems offer a pathway that balances environmental concerns with practical considerations, ensuring a more sustainable and feasible transition towards cleaner energy sources.




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Why Every HVAC Contractor Should Consider Adding Combustion Testing Services

Due to a lack of training, time constraints, and numerous other reasons, many HVAC contracting companies are not performing combustion testing, potentially compromising customers’ safety.




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Hydronic Furnaces are Changing the Forced Air Heating Game

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




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Improving Home Comfort and Energy Efficiency with the Navien NPF Series Hydro-furnace

A homeowner in Pickering, Ontario works with an experienced HVAC pro to improve comfort, efficiency, and energy savings with a high-efficiency hydronic forced-air furnace upgrade.




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Episode 201: Martin Thompson on Mechanical Sympathy

Martin Thompson, proprietor of the blog Mechanical Sympathy, founder of the LMAX disruptor open source project, and a consultant and frequent speaker on high performance computing talks with Robert about computer program performance. Martin explains the meaning of the term “mechanical sympathy,” derived from auto racing, and its relevance to program performance: the importance of […]




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SE-Radio Epislode 250: Jürgen Laartz and Alexander Budzier on Why Large IT Projects Fail

Alex Budzier of the Oxford Saïd Business School and Jürgen Laartz of McKinsey Berlin join Robert Blumen to talk about the their research on large IT project failures. Why do large projects fail and to what extent are these failures avoidable?




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SE-Radio-Episode-253-Fred-George-on-Developer-Anarchy

Fred George talks with Eberhard about "Developer Anarchy" - a manager-less development approach Fred has been using very successfully in different organizations - combined with microservices.




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Episode 439: JP Aumasson on Cryptography

JP Aumasson, author of Serious Cryptography, discusses cryptography, specifically how encryption and hashing work and underpin many security functions.




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Episode 520: John Ousterhout on A Philosophy of Software Design

John Ousterhout, professor of computer science at Stanford University, joined SE Radio host Jeff Doolittle for a conversation about his book, A Philosophy of Software Design. They discussed the history and ongoing challenges of software system design, especially the nature of complexity and the difficulties handling it. The conversation also explored various design concepts from the book, such as modularity, layering, abstraction, information hiding, maintainability, and readability.




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Episode 536: Ryan Magee on Software Engineering in Physics Research

Ryan Magee, postdoctoral scholar research associate at LIGO Laboratory – Caltech, joins host Jeff Doolittle for a conversation about how software is used by scientists in physics research. The episode begins with a discussion of gravitational waves...




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SE Radio 557: Timothy Beamish on React and Next.js

Timothy Beamish of BenchSci discusses React and Next.js, two of today's most popular front-end frameworks. Host Philip Winston speaks with Beamish about components, routing, JSX, client-side and server-side rendering, single-page applications, automatic code-splitting, image optimization, and more. Beamish also details his experience moving a real-world application to Next.js.

 




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SE Radio 578: Ori Mankali on Secrets Management using Distributed Fragments Cryptography

In this episode, Ori Mankali, senior VP of engineering at cloud security startup Akeyless, speaks with SE Radio’s Nikhil Krishna about secrets management and the innovative use of distributed fragment cryptography (DFC). In the context of enterprise IT, 'secrets’ are crucial for authentication in providing access to internal applications and services. Ori describes the unique challenges of managing these sensitive data, particularly given the complexities of doing so on a large scale in substantial organizations. They discuss the necessity for a secure system for managing secrets, highlighting key features such as access policies, audit capabilities, and visualization tools. Ori introduces the concept of distributed fragment cryptography, which boosts security by ensuring that the entire secret is never known to any single entity. The episode explores encryption and decryption and the importance of key rotation, as they consider the challenges and potential solutions in secrets management.




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SE Radio 609: Hyrum Wright on Software Engineering at Google

Hyrum Wright, Senior Staff Engineer at Google, discusses the book he co-edited, “Software Engineering at Google,” with host Gregory M. Kapfhammer. Wright describes the professional and technical best practices adopted by the software engineers at Google. The wide-ranging conversation investigates an array of topics, including measuring engineering productivity and writing effective test cases. This episode is sponsored by the Algorand Foundation.




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SE Radio 640: Jonathan Horvath on Physical Security

Jonathan Horvath of Z-bit discusses physical access control systems (PACS) with host Jeremy Jung. They start with an overview of PACS components and discuss the proprietary nature of the industry, the slow pace of migration to open standards, and why Windows is commonly used. Jonathan describes the security implications of moving from isolated networks to the cloud, as well as credential vulnerabilities, encryption using symmetric keys versus asymmetric keys, and the risks related to cloning credentials. They also consider several standards, including moving from Wiegand to the Open Supervised Device Protocol (OSDP), as well as the Public Key Open Credential (PKOC) standard, and the open source OSDP implementation that Jonathan authored.

Brought to you by IEEE Computer Society and IEEE Software magazine.




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A direct solution to the crystallography phase problem

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Physics Nobel nominees, 1901–70

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Why This Vegan Restaurant Introduced Meat

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




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Why Protest Works—Even When It’s Unpopular

High-profile, disruptive protests can lead to increased polarization—but often still yield increased public support for the protest’s goals, even if the tactics are criticized.




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Top Ten Reasons Why Large Companies Fail To Keep Their Best Talent - Forbes

this is 100% dead-on




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Top Ten Health Books That Changed My Life — The Healthy Home Economist

this really is a good list of books




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'Why we love our Afro hair!'

On World Afro Day people are encouraged top celebrate coiled, curly afro textured hair and learn more about it.




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'We should learn to love them' - why big spiders aren't as scary as you think

Does it seem like there are more spiders around the house right now? And do the spiders you spot seem bigger than those you've seen in recent months? Spider expert, Dr Sara Goodacre, is here with some arachnid answers.