Mahr Inc. announced its new Digimar 816 CLT height gage for accurate measurements in inspection or production areas.

Mahr Inc. announced a new solution for contour measurement.

Paul N. Gardner USA (Gardco) announced two new custom Gardco mobile apps to enhance efficiency and precision, the Gardco Viscosity Calculator App and the Gardco Psychrometric Calculator App.

The aerospace industry uses automation and metrology to improve product quality and safety. Components require precise measurements for high quality and efficient production.

Taper Pipe Threads are one of the more challenging threads to produce and measure. The ASME B1.20.1-2013 Pipe Threads, General Purpose (Inch) is the current standard that covers both the part thread specifications and the gages for NPT, NPSC, NPTR, NPSM and NPSL threads.

Gage accuracy depends on product info. Thread form plating changes pitch diameter. Compensate for buildup to make correct pre-plate allowances. 60° UN threads change pitch diameter by 4x plating thickness.

Daniel Zrymiak highlights key threats to quality culture from his experience. Organizations must continuously check for these threats in operations and discussions, ready to respond appropriately.

AI, despite its hype, often causes delays in manufacturers' automation strategies due to confusion and fear. Fundamentally, AI complements machine vision, which uses handcrafted algorithms needing new formulas and trial-and-error development for each product type or feature.

MSI Viking announced the expansion of its long-standing partnership with Mahr Inc.

LITHO Finding Fish by James Christensen HAND COLORED PRINT by James Christensen is a(n) Limited Edition. The Edition is Limited to Limited Edition of 150 pcs

CLASSIC FAIRY TALES W/THREE LITTLE PIGS COLL. BOOK and PRINT by Scott Gustafson is a(n) Limited Edition. The Edition is Limited to Limited to 150 pcs

THREE LITTLE PIGS LIMITED EDITION PRINT by Scott Gustafson is a(n) Limited Edition. The Edition is Limited to Limited to 500 pcs

Christmas Baby (Black Legacy) by Lladro Black Legacy is a(n) Annual Edition. The Edition is Limited to 6711 pcs

Merry Christmas Pooh by Harrison Ellenshaw is a(n) Limited Edition. The Edition is Limited to Limited Edition of 10 pcs

Three Pink Dahlias (New) by Brian Davis is a(n) Limited Edition. The Edition is Limited to Limited Edition of 95 pcs

The Navy plans to extend the operations of 12 Flight 1 Arleigh Burke-class (DDG-51) destroyers and three Ticonderoga-class cruisers past their planned service lives to boost fleet numbers, the service […]

Boeing’s [BA] machinists’ union members on Monday voted to end their 53-day strike that shut down production at the company’s commercial aircraft plants in the Pacific Northwest but the company […]

The U.S. Space Force tested the intercontinental ballistic missile’s ability to strike targets with multiple warheads in a Minuteman III launch Tuesday at Vandenberg Space Force Base, Calif. According to […]

The tenth in our series on the thorax describes the Respiratory Movements and the Diaphragm.
See our website for accompanying diagrams

ASHRAE announced the launch of a new, redesigned version of its website, ashrae.org. This website offers quick and easy access to essential information and simplified navigation through mega-menus.

The AHR Expo (International Air-Conditioning, Heating, Refrigerating Exposition) released the full schedule for the 2025 AHR Expo Education Program. 

You perform maintenance each year, but by the next maintenance visit, dirt and grime are in the equipment again. Have you ever wondered why this happens?

Exhibitors and organizers are excited to welcome thousands of HVAC contractors and other industry personnel to Chicago for the AHR Expo.

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.

At the AHR Expo, refrigeration manufacturers displayed their latest equipment and components that are geared toward the commercial refrigeration market.

Read this white paper to learn more about why variable-speed compressors are the best solution for heat pump applications.

In the quest to build more sustainably, organizations have set forth a variety of standards to realize high-performance green buildings.

To realize high-performance green buildings, the place to start is improving HVAC – centering on ventilation/efficiency.

HVAC contractors have an underutilized tool available to help optimize their businesses: customer data.

For HVAC pros interested in motors and drives, Tuesday afternoon at this year’s AHR Expo in Atlanta featured a good chance to give the feet a rest and focus on the mind for a while. Air-Conditioning, Heating and Refrigeration Institute (AHRI) presented a three-phase session called VFDs: Method of Laboratory Test and a Case Study.

In HVAC, we rarely need to have a deep understanding of electrical design. But there are a few cases where a little understanding can go a long way in identifying issues before they cause trouble, and that is the intent of this short article.

The 2019 edition of ASHRAE/IES 90.1 will use the new fan energy index (FEI) as the metric for efficiency provisions.

Awarded the Energy Star® Most Efficient Mark in 2019, this product has a high-efficiency DC motor.

In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.

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.

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

Here are three lessons I learned while setting out to improve my skills selling duct upgrades.

Make sure you have some thick skin and don’t take offense to social biases that you’ll eventually run in to. Women can do anything they set their minds to — just set your mind to it and do it.

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

Working through one company and a fixed stipend, EaaS/EEaaS is designed to simplify and streamline all on-site efficiency upgrades, eliminating massive equipment costs, supply chain delays, unexpected maintenance charges, and more.

At the AHR Expo, manufacturers displayed their latest commercial refrigeration equipment, which included condensing units, components, controls, and other solutions.

In the realm of residential cooling, two trends popped out at the 2023 AHR Expo: the new federal tax credits and heat pumps.

Air conditioning and refrigeration are marvelous inventions and have a transformative impact on comfort and health, underscoring their irreplaceable role in modern living.

Heat pumps are seen as a main weapon in the battle to stem climate change. LG Electronics specializes in heat pumps, so this was a good opportunity for the company to promote its wares.

The NEWS was very busy at the AHR Expo in New York City, visiting as many booths as possible in search of new products. Below is a comprehensive list of all the HVAC commercial equipment we found on the show floor.

Chris Forth, VP at Johnson Controls, navigates the complex challenges in the HVAC industry, which include addressing regulatory, code, and environmental concerns.

The HVACR industry was initially surprised by a date-of-install requirement, mandating installation of certain equipment by January 1, 2025, but EPA extended sell-through period to January 1, 2026.

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.

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.