Catheters are used for various medical procedures, including addressing issues in a person's arterial network and urological conditions. They also deliver medical devices and treat conditions such as clogged arteries and irregular heartbeats. Testing for catheters includes tensile testing, lubricity testing, and usability/trackability testing.

The President announced new steps with the private sector to strengthen the manufacturing sector, boost advanced manufacturing, and attract the good paying jobs that a growing middle class requires.

In this article we survey key considerations when making a lens selection. Of course, your lensing professional will be happy to advise – but they’ll ask you some of these questions anyway, so it’s helpful to make notes relative to your planned application.

With great sadness, The American Association for Laboratory Accreditation (A2LA) shared the passing of founding member and first president, John William Locke, at the age of 91.

Jane Heffner appointed as vice president of IFR.

3D measurement tools offer incredibly precise and accurate measurements. However, using them correctly requires specialized knowledge, and integrating them into current processes can be quite complex.

The President Barack Obama Lithograph by Thomas Blackshear II is a(n) Limited Edition. The Edition is Limited to Limited Edition of 6000 pcs

James Cooper Recognized for Enhancing Quality of Education and for Outstanding Contributions to the Discipline of Engineering Waterloo, Canada; November 08, 2016: Maplesoft™ announced that James (Jim) Cooper, its president and CEO, has received an honorary doctorate from the University of Waterloo (UW). The University presented Cooper with a Doctor of Engineering degree at a recent graduation ceremony held at the university.

Maplesoft announced that James (Jim) Cooper, its president and CEO, has received an honorary doctorate from the University of Waterloo (UW). The University presented Cooper with a Doctor of Engineering degree at a recent graduation ceremony held at the university.

The global pandemic caused many people to reevaluate how they had been living their lives, and when it came to life at home, indoor air quality (IAQ) became a top priority.

The residential division at Trane Technologies announced that some prices will go up by as much as 5% while others will decrease or remain unchanged. The adjustments take effect in January.

Lennox Industries plans to increase prices on residential equipment and accessories by up to 10% beginning Monday, Feb. 5.

Humidity control makes up an important facet of indoor air quality, a facet that includes reducing airborne viruses but extends far beyond it.

Following are several of the latest dehumidification products on the market, representing residential and industrial applications alike.

To provide optimal comfort, contractors must not only reduce the temperature of the air, they must remove some of the humidity from the air as well.

JCI CEO plans transformation to ‘simpler, higher-growth company’

Consulting with an expert can streamline the conversion to electric boilers while reducing total project cost and maximizing system reliability.

“We put together some sections of 2 ½-inch pipe, and Joe tried to drive a nail through them with a hammer. I remember him reporting back and saying, ‘This is not your typical plastic.’”

With multiple methods offering their own unique advantages, it’s important to be familiarized with the relevant radiant installation method to ensure a job well done.

A change in the balance of power in Washington, D.C., and a desire to extend Trump-era tax cuts, could derail parts of the Inflation Reduction Act.

Harris Companies, a leading national mechanical contractor with several locations across the country, has announced the appointment of Michel Michno as the company’s new president of construction. Michno has more than 30 years of construction industry experience.

The Occupational Safety and Health Administration’s (OSHA’s) Confined Spaces in Construction final rule, issued May 4, 2015, created confusion in the HVAC industry. ACCA announced that, after months of negotiations with OSHA, an agreement clarifies that the rule has very limited application in the residential HVAC industry.

Lennox’s SL280NV Ultra Low NO_X gas furnace was built to address a market need in the South Coast and San Joaquin air quality districts in California, which require the reduction of emissions to 14 nanograms of NO_X per joule.

Hoshizaki America Inc. announced the appointment of James McDowell as president

With two airside measurements and a little math, you can test and even adjust an outside air duct in a few minutes.

At the AHR Expo, RectorSeal LLC highlighted several new products designed to combat leaks and corrosion, both on the inside of the unit and from salty sea breezes on the coast.

The NEWS introduces the latest cooling equipment available for summer 2022.

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

In this showcase, The ACHR NEWS will introduce the newest cooling products that will help meet customer needs.

Renters who can’t turn on the a/c want to change mandates that don’t require cooling until May 15.

Is it time for our industry to consider using pascals for static pressure measurements? What would the transition from inches of water column to pascals look like and how hard would it be?

Programmable thermostats that can be accessed through an internet device are old hat. Here are just a few of the residential HVAC controls products featured at the Georgia World Congress Center, the host venue for this year’s Expo.

In early July, the Biden administration proposed a rule that addresses excessive heat in the workplace, as tens of millions of them were under heat advisories — the nation’s No. 1 weather-related cause of death.

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

Consumer awareness and opinion of heat pumps are both improving, along with the technology. Manufacturers see a strong market ahead, although some challenges remain.

Hamid Sarshar will lead the 50-year-old company into the next strategic phase of growth and innovation within the UFT platform.

Every year, The NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands. The coverage features specific information about each individual product as submitted by the manufacturers.

This heating showcase provides in-depth information on the features of each individual unit and also includes technical support information from the manufacturer. The manufacturers provided all of the data included in the product grid as well as in the photo feature; therefore, any questions should be directed to them via the contact information provided in the photo feature section.

The ESP-400 by Jackson Systems LLC has earned gold in the Residential Controls category of The NEWS’ 2017 Dealer Design Awards.

When it comes to comfort, not much beats zoning. In fact, many industry experts tout that once homeowners have experienced the comfort zoning has to offer, they will never own another house without it.

Over a year of research and design went into the 2018 Dealer Design Awards gold-winning product in the Residential Controls category. After listening to feedback from both contractors and consumers for a more basic, easy-to-use, and cost-effective thermostat, Nest created the Nest Thermostat E.

In this showcase, The ACHR NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors distinguish between brands.

To meet the ambitious environmental goals being proposed at all levels of government, residential air-to-water heat pumps are emerging as a transformative solution to lower carbon emissions, enhance energy efficiency, and reduce utility bills.

Every year, The ACHR NEWS introduces the latest heating equipment that is available for the upcoming winter season.

Every year, The ACHR NEWS introduces the latest heating equipment that is available for the upcoming winter season.

Cold climate heat pumps were on full display on the AHR show floor and manufacturers were eager to share their progress reports in the Department of Energy’s CCHP Challenge.

The residential heating showcase is designed to help HVAC contractors learn about the new heating equipment that is available for the upcoming cooler months.

The biggest tip is that combustion analysis should be the first and last thing completed during any heating appliance repair.

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.

The residential heating showcase is designed to help HVAC contractors learn about the new heating equipment that is available for the upcoming cooler months.