Items Tagged with 'maintenance for HVACR'

ARTICLES

Dirty Air Filters Can Cause Serious Air Conditioning System Problems

Air conditioners should have filters cleaned or replaced before starting for the season

August 9, 2020

One important but often overlooked piece of equipment is the air filter, which protects the evaporator from dirt and lint.

You’re Only as Good as Your Last Service Call

Always stay in control of the repair process and maintain a professional attitude

Joe Marchese

August 8, 2020

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Repairing refrigeration equipment — or, really, any equipment — has a huge customer service component.

Ice Machine Maintenance Means Regular Cleaning and Sanitizing

Extra cleaning may be needed if equipment is idle for a prolonged period of time

Joanna R. Turpin

July 29, 2020

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Once restaurants started reopening, smart owners asked contractors to clean and sanitize ice machines before they were returned to service.

Five Timeless Indoor Air Quality Principles You’ll Use Daily

These principles result in success when you use them together correctly

David Richardson

July 22, 2020

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Customers are now more aware of their HVAC systems and the air it circulates.

Troubleshooting Puzzle: A System That’s Blowing Warm Air In July

Jim Johnson

July 15, 2020

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This month’s troubleshooting situation involves an air-to-air, package unit heat pump that is approximately nine years old.

What Causes Hydronic Pump Failure?

Manufacturers explain maintenance, assessment procedures

Angela D. Harris

July 8, 2020

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Designed to do their job without wavering, hydronic pumps do require maintenance to optimize their performance — even the maintenance-free ones.

Refrigerant Density Can Affect Compressor Capacity

Service techs can make adjustments to optimize performance

John Tomczyk

July 3, 2020

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Let’s look at how the density of refrigerant entering the compressor’s cylinders affects the mass flow rate of refrigerant through the compressor.

Working With an Unknown Refrigerant

This can be a difficult, and potentially costly, scenario

Joe Marchese

July 3, 2020

No Comments

When working on a refrigeration system, technicians may occasionally come across one where the type of refrigerant is unknown.

What to Look For When Purchasing A Refrigerant Recovery Machine

Reliability, versatility, and speed are usually the features that matter most

Joanna R. Turpin

June 30, 2020

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Refrigerant recovery machines are one of the most expensive tools that contractors own, so it’s important to make the right purchase decision.

HVAC Contractors Should Tap Into Coil Cleaning’s Visual Value

With the right equipment and technique, maintenance offers contractors a chance to show, not tell

Robert Beverly

June 17, 2020

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Coil cleaning. Glamorous? Hardly. Worth it for system performance? Absolutely.

More Articles Tagged with 'maintenance for HVACR'

EVENTS

Training Track

12/19/13

Rutgers Extension Conference Center

18 Ag Extension Way

New Brunswick, N.J.

Introduction to Hydraulics, Course Code: EO0715CA14

The course is designed to cover the basic principles of hydraulics that apply to most trades.

2020 World Congress for Solar Cooling

IASC seeks submissions that represent the best contemporary and innovative technology and thinking about Solar Cooling from a global and diverse range of designers, consultants, practitioners, engineers, architects, educators, thought-leaders, students and other professionals concerned with cooling, people, buildings and energy.

Poll

Parts Availability

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Poll Archive

ACHRNEWS

2020 August 10

In this issue, we present the Refrigeration Showcase, featuring new products from ice makers to reach-ins to display cases and more. We also look at heat pump technologies, how they benefit customers, and how you can service them.

Check back for additional content throughout the week.

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