Service & Maintenance

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Online-only “Service and Maintenance” articles focus on troubleshooting service call issues and revisiting HVAC basics.

ARTICLES

A Guide to Air Barriers, Vapor Barriers, and Insulation

Understanding these basics will help with building issues

Bryan Orr

November 25, 2019

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Trying to fix building problems with equipment can be a problem. Here are some basics to help you diagnose and solve building issues.

Troubleshooting Puzzle: An Uncomfortable Bedroom

Jim Johnson

November 11, 2019

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Several attempts have been made to solve the problem of one bedroom that is always too cool during the heating season.

Letters From Our Readers: November 4, 2019

November 4, 2019

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The article provided valuable information on maintenance and cleanliness issues related to refrigeration equipment in restaurants and c-stores.

The Basics of 20 mA Control

Understanding electrical controls

Bryan Orr

October 28, 2019

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Controls have gone from mechanical to electrical, so we have systems that are controlled by analog electrical signals and digital electrical systems.

Troubleshooting puzzle: A Heat Pump That’s Not Operating

Jim Johnson

October 14, 2019

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In this month’s troubleshooting situation, the equipment is a four-ton heat pump, and the customer’s complaint is that the unit is blowing cool air.

Four Ways HVAC Professionals Can Own Heating Season

Scott Ewald

October 1, 2019

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As a seasoned HVAC professional you can leverage your industry expertise to help homeowners determine the best heating plan and help them stay warm and toasty while ensuring long term cost- and energy-savings.

Four Mistakes for Beginning HVAC Techs to Avoid

Tips to stand out for successful work

Bryan Orr

September 30, 2019

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There are some very preventable mistakes that occur due to simple oversight and carelessness. A few practices will avoid them.

A Minnick’s employee applies duct-sealing tape for a customer.

Dare to Design (and Repair) Ductwork

Training your team in ductwork brings tangible benefits

Gordon White

September 23, 2019

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Ductwork education is vital to ensuring comfort, allowing for the delivery of the most efficient and cost-effective air quality solutions.

Trane Light Commercial Equipment Solutions

Light Commercial HVAC Equipment Solutions

Interactive Product Spotlight

September 18, 2019

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Explore the full line of 25 Ton and under light commercial rooftop and split systems equipment.

Troubleshooting Single Phase Residential Compressors

What to do when the system won't start

Dave Spates

September 16, 2019

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This article will discuss tips on troubleshooting single phase, residential compressors that won’t start.

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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.

ACHRNEWS

2019 December 2

Week 1: December 2
In this issue of The ACHR NEWS, we look at unique applications of HVAC technology, and new markets contractors should consider expanding into.

Week 2: December 9
We also examine Variable Refrigerant Flow (VRF) technology, and the benefits that contractors can pass along to their customers through the equipment.

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