science and technology

How to Use a Micron Gauge

Many technicians believe that a vacuum pump actually pumps ‘liquid’ moisture out of a system. This is not true.




science and technology

Sanhua Supplies Parts for Electronic Systems

Replacing manual parts with electronic was the theme at Sanhua’s booth at the AHR Expo.




science and technology

The Benefits of Using the Pinch-Off Tool

Many new self-contained fractional horsepower refrigeration systems will be shipped from the factory with no service access ports.




science and technology

Installing Thermostatic Expansion Valves

As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when a replacing a thermostatic expansion valve (TXV).




science and technology

Determining the Cause of a Restricted Liquid Line

Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.




science and technology

McElroy Receives ‘Sharp’ Award for Workplace Safety

SHARP is an on-site, OSHA consultation program that offers confidential occupational safety and health services to small- and medium-sized businesses in the U.S., free of charge.




science and technology

Beckett Corp. Celebrates 75 Years

Founded in 1948, Beckett designs pumps and related products for a wide range of industries and market segments.




science and technology

Uponor Names Jon Sillerud VP of Integrated Supply Chain

Uponor North America recently announced Jon Sillerud, vice president, operations, has agreed to accept the additional responsibilities of leading the supply chain function for the company, effective immediately.




science and technology

The Importance Of Controlling Head Pressure

Controlling the head pressure helps maintain pressure drop across the metering device and prevents the evaporator from freezing, in the case of air conditioning, and excessive freezing in refrigeration systems.




science and technology

Watts Works Learning Center Opens in Fort Worth, Texas

The 250,000-square-foot facility — customized for broad training purposes, administration, and manufacturing — joins several other Watts Works Learning Centers across North America.





science and technology

The Beneficial Properties of Small Diameter Copper Tube for Heat Exchangers

Manufacturers are designing a new generation of heat exchangers with more advantages over present designs.




science and technology

Net-Zero Prefab Homes Feature Radiant Systems, High-Efficiency HVAC

Transcend Communities are net zero, all-electric, healthy, resilient, connected, solar-powered, and cost-effective homes located in mixed-use communities — and an in-floor radiant system that will heat and cool both air and water is pivotal to this.




science and technology

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.




science and technology

The Importance of Pressure Relief Valves on CO₂ Refrigeration Systems

The proper design, installation, and maintenance of these valves is vital for the safe operation of R-744 refrigeration systems, especially in industrial and commercial applications.




science and technology

CO2/Ammonia Cascade System Proves Effective in Retail Settings

Ongoing and evolving U.S. Environmental Protection Agency (EPA) and Department of Energy (DOE) regulations have created a complex landscape for supermarket owners.




science and technology

Evapco Positions Itself for the Future, Showcasing Dry Products

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




science and technology

Diagnosing Refrigeration Restrictions: Similar Symptoms With Different Causes

Refrigeration systems can become restricted in both their high and low sides for a variety of reasons.




science and technology

Dirty Condenser Coils Are the Culprits That Cause Many HVACR Problems

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




science and technology

Embraco Showcased Its Vision for the Future of Refrigeration

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.




science and technology

Johnson Controls Highlights Smart, Integrated HVACR Products at AHR Expo

Johnson Controls Inc. had a big 2018, with the launch of several new products and the acquisition of Lux Products Corp. For Johnson Controls, the Lux acquisition enhances its commitment to thermostats. The move also enables faster product development cycles, improves customer service capabilities, and supports greater product innovation.




science and technology

Tecumseh’s on the Front Line, Fighting the War on Refrigerants

In Greek mythology, Argus was a son of Zeus. Having the king of the gods up on Mount Olympus for a dad probably raised the bar in terms of expectations. Fortunately, Tecumseh seemed comfortable with that kind of lofty namesake for its biggest launch at this year’s AHR Expo, the ARGUS condensing unit platform.




science and technology

Tadiran Holdings Ltd.: Condensing Unit

This low-profile condensing unit is designed to maintain a building’s aesthetic by hiding the unit within the building and eliminating the need for outdoor installation.




science and technology

Condensers Can Offer Valuable Insights Into System Operation

Troubleshooting the high side of a refrigeration system will often give service technicians valuable information. That’s because what happens in the condenser is a direct reflection of what is happening in the rest of the refrigeration system.




science and technology

Evapco: Air Cooled Condenser

This product has a new modular construction scheme with the thermal performance of the company’s patented nuCore Heat Exchanger.




science and technology

Baltimore Aircoil: Evaporative Condenser

Designed to maximize reliability and uptime, this product allows technicians to stay dry while safely inspecting the basin with an internal walkway.




science and technology

Kulthorn: Replacement Parts

These products cover a wide variety of refrigerants as well as residential a/c and refrigeration applications.




science and technology

Coil and Condenser Landscape Changes in Response to Demand

Demand is changing the landscape of coils and condensers. Efficiency, refrigerant, and market demands are adjusting to a global cooling marketplace.




science and technology

SPX Announces Purchase of SGS Refrigeration Inc.

SPX Corporation has completed the acquisition of SGS Refrigeration Inc., based in Dixon, Illinois.




science and technology

Tecumseh Showcases New Solutions

One of the reasons why Tecumseh regularly exhibits at the AHR Expo is for the increased visibility that it provides in the refrigeration industry.




science and technology

Condenser Technology Aims for Convenience, Quiet Operation

A look around the world of condensers these days shows three factors driving changes.




science and technology

COVID-19 Reveals Importance of UV-C in HVAC Industry

Can the type of ultraviolet light known as UV-C light kill the novel coronavirus? Manufacturers are not making that claim … yet.




science and technology

Choosing the Right Air-Cooled Condenser

Selecting the correct air-cooled condenser for an installation is a vital part of ensuring the system operates properly and at peak efficiency.




science and technology

Time to Refine Summer Tune-Up Strategies for Condensing Units

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




science and technology

Troubleshooting Water-Cooled Condensers

Occasionally while servicing refrigeration equipment, technicians may come across a system utilizing a water-cooled condenser instead of an air-cooled condenser.




science and technology

What Should the Condensing Temperature Be?

What happens in the condenser is a direct reflection of what is happening in the rest of the refrigeration system.




science and technology

Project Files: Episode 45 — New Jersey Cold Storage Warehouse Overhaul

Lineage Logistics recently funded renovations to the refrigeration system at a New Jersey facility, including replacement of an evaporative condenser.




science and technology

The Importance of a Clean Condenser

The condenser is the most underrated component in an air conditioning or refrigeration system.




science and technology

Checklists Can Help Determine What Is Causing the Problem in a Refrigeration System

There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.




science and technology

The R-410A Condensing Unit Conundrum

EPA is revisiting a rule that would allow R-410A condensing units to be manufactured indefinitely to service existing equipment.




science and technology

10 Free Ways to Boost Your HVAC Business with ChatGPT

Here are 10 ways to get started by incorporating AI for free in some of your workflows right away.




science and technology

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.




science and technology

Infographic: Report - 1 in 4 US Commercial Service Contractors Are Implementing AI

67% of contractors see digital transformation as important to their success.




science and technology

2023 Dealer Design Awards: Contractor Services & Software

The Gold award goes to a new computer application designed to help technicians save time and money and provide efficient HVAC equipment installation and diagnostics.




science and technology

XOi, Tech Provider for Service Firms, Named to Inc. 5000

The Inc. 5000 list provides a data-driven look at the most successful companies among the economy’s independent, entrepreneurial businesses.




science and technology

Artificial Intelligence Can Help HVAC Contractors Run a Better Business

Contractors have to spend the time to effectively choose the right business management software that allows AI capabilities to fold into their day-to-day operations with ease.




science and technology

Harnessing Technology for HVAC

The average tech thinks the service department is a giant money maker when in reality it is typically the least profitable part of a contractor’s business.




science and technology

E-Commerce Innovations

HVACR distributors today are introducing software to meet contractors where they’re at and to fit the way they place electronic orders. At the same time, they’re working to maintain the personal relationships they’ve built with those customers.




science and technology

Promotions Announced at Tech Provider XOi

In their new roles, enterprise account executive Austin Piazza and account executive Lindsey Fisher are responsible for developing and enhancing relationships and educating the industry about XOi’s capacity to help contractors solve the skilled-trades gap and grow their businesses.




science and technology

ChatGPT-Style AI Tool for HVAC Takes Aim at Labor Shortage

AI tools, such as Bluon’s MasterMechanic, could make a big dent in another aspect of the labor issue: the wisdom lost as older, highly skilled workers leave the industry.




science and technology

Rilla Shares Three Key Sales Insights with HVAC Contractors

Founding engineer and head of growth at Rilla, Will Gao, compares the value of data analysis for winning in sports to sales.