Service & Maintenance

Recommended Practices for Soldering No-Lead Copper Alloys

Legislation Prompts CDA to Revisit Soldering Techniques for Making Proper Joints

Concerns related to soldering copper tube and the new no-lead copper alloys led the Copper Development Association (CDA) to conduct laboratory research and testing out in the field. The CDA found that, in many cases, those working with the new no-lead copper alloys were using the incorrect soldering procedure.


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Btu Buddy 139: An Overcharged System - Part 2

Bob and Tim were at the shop after a day of service calls. The weather was still hot, 93°F, and Bob said, “We just did a service call with a system that was overcharged and had an orifice expansion device. I would like to go into further details with you on a system with a thermostatic expansion valve (TXV) for an expansion device.”


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Expand Your HVAC Business with Home Energy Audits

Homeowners Are Looking for Ways to Save Energy and Money; Here’s How HVAC Professionals Can Help

Homeowners want ways to save energy and cut costs. HVAC contractors are looking for new business opportunities. And technologies like thermal imaging enable you to see and do more than ever before. Why not bring customer needs, technology, and your skills together by offering home energy audit services? Here’s how.


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Btu Buddy 138: An Overcharged System - Part 1

Bob and Tim were on their way to a service call with a new customer. When they got to the job, the customer explained, "The unit was not cooling and I had a company come out for a service call. The unit seemed to work OK last week when it was a little cooler outside, but this week it has warmed up and the unit is not functioning as well."


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Btu Buddy 137: Heat Pump Problem in the Summer

Bob and Tim were on their way to a no cooling call; in fact, it sounded like a heating call. The customer has a bonus room on the third floor that used to be attic space. When Bob and Tim arrived, the customer told them, “The bonus room upstairs seems much too hot and the air coming out of the registers is hot to the touch.”


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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

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NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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2015 May 25

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