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Home » Keywords: » maintenance for HVACR

Items Tagged with 'maintenance for HVACR'

ARTICLES

Homeowners and HVAC

Survey: Only 30% of Americans Schedule Preventive Maintenance for Their HVAC Systems

But 60% would follow a technician they trusted to a new firm, the study reveals
Hannah Belloli.
Hannah Belloli
August 11, 2023
No Comments
Homeowners lack an understanding of their HVAC system, and they don’t regularly maintain them. It’s up to contractors to educate them on why it’s important.
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NADCA-logo

NADCA to Host Fall Technical Conference in Texas

Registration now open for September 7-9 event
June 29, 2023
No Comments

The National Air Duct Cleaners Association (NADCA) recently announced that its 2023 Fall Technical Conference will take place September 7-9.


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NADCA-logo

NADCA Fall Technical Conference Offers Hands-On Training

June 28, 2023
No Comments

NADCA’s annual Fall Technical Conference features hands-on training during which attendees can use real-world scenarios to develop practical skills.


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Evaporator Coil

When to Repair or Replace an Evaporator Coil

Where the leak is located may determine whether a coil can be repaired
Joe Marchese
April 12, 2023
No Comments
When faced with a leaky coil on a reach-in cooler, a decision needs to be made whether to repair or replace it. The final decision may come down to where the leak is located.
Read More
Refrigertation Checklist

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

Confusing High-Side Temperatures
Headshot-Tomczyk-John.jpg
John Tomczyk
March 22, 2023
No Comments
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.
Read More
Carrier Microchannel Technology

Proper Charge Is Critical for Microchannel Coils

Incorrect amount of refrigerant could reduce performance, efficiency, and reliability
Joanna 2017
Joanna R. Turpin
March 20, 2023
No Comments
Microchannel coils are lightweight, offer better heat transfer, and use less refrigerant than traditional fin-and-tube coils; however, care must be taken when charging, as even a few ounces could reduce a systems’ performance, efficiency, and reliability.
Read More
Image1.jpg

The Surprisingly Heavy Burden of Metal Coils

In cooling towers, added weight isn’t just a problem for total rooftop weight; it also complicates maintenance.
Micah Curtis
March 9, 2023
No Comments

Polymer elements in cooling towers — or entire towers made of composite materials, like Fiber Reinforced Polymer (FRP) — can reduce the weight by up to 50%.


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Brazing Aluminum

The NEWS Learns How To Braze Aluminum

taylor
Maria Taylor
Hannah Belloli.
Hannah Belloli
March 6, 2023
No Comments
At this year’s AHR Expo in Atlanta, Georgia, two editors from The ACHR NEWS visited Harris Products Group to learn how to braze aluminum.
Read More
Daikin Ductless Unit

Diagnosing Ductless HVAC Systems

What to look for when a ductless system isn’t working right, or at all
Matt Jachman
Matt Jachman
February 21, 2023
No Comments
The use of ductless heat pump HVAC systems has broadened considerably since they were introduced to the U.S. market decades ago, but their technology isn’t familiar to all technicians or in all parts of the country.
Read More
Ice Breaker Joe Marchese

Troubleshooting Defrost Timers

A faulty defrost timer in a refrigeration system can lead to problems
Joe Marchese
February 21, 2023
No Comments
Technicians should learn how to troubleshoot defrost timers, as they can be the culprit if a freezer that uses an electric heater as its supplemental heat source has a frozen evaporator coil.
Read More
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.

Read More
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  • Homeowners Prioritizing Indoor Air Quality
    Sponsored byLennox Residential

    Five Ways to Educate Homeowners on Prioritizing Indoor Air Quality

  • Natural Refrigerants
    Sponsored byGüntner

    A Natural, Future-Proof Solution to Harmful Synthetic Refrigerants

  • Decarbonizing HVAC Systems
    Sponsored byECM Technologies

    Decarbonizing HVAC Systems: New Technology Tackles the Hidden Culprit of Oil-Fouling

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Events

November 30, 2022

Moving Forward with R-290 Natural Refrigerant

On Demand In this webinar, we go through the recent updates on R-290 natural refrigerant, and the impact it will have on the HVACR industry.

October 5, 2023

Geothermal Economics: Understanding and Leveraging the Inflation Reduction Act

In this session, the complexity of the IRA legislation will be simplified to learn how to take advantage of the geothermal incentives.

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BNI Mechanical/Electrical Square Foot Costbook, 2024 Edition

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