
Soldering Lead-Free Valves? Beware! Technical Resource
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In 2025, MSCA conducted a comprehensive benchmark survey to obtain current data on key performance indicators (KPIs) in the HVACR and plumbing service industry. The results were very insightful and sure to be beneficial to all MSCA members. The full report is now available, results are presented in two formats, one is overall results and the second is broken down by company size which can provide specific insight relevant to your company.
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What is Microbiologically Influenced Corrosion (MIC) and why do contractors need to know anything about it? Well, it turns out that MIC can negatively affect your profits.
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On occasion we get questions from our members who would like to use backing flux in lieu of purging when making welds on stainless steel or other corrosion resistant materials. This bulletin describes an experiment conducted by NCPWB Consultant Walter Sperko where he had a colleague make stainless steel butt welds without any protection of the root of the weld, with inert gas backing, with backing flux and with flux-coated wire.
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When reviewing a Welding Procedure Specification (WPS) or a welder qualification record, the term "backing" frequently appears. In some cases, backing is required, while in others, it is optional. Backing can take various forms, including metal, non-fusing metal, nonmetallic materials, or even weld metal. But what exactly is "backing," and why is it important in welding?
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Year after year, electrocutions remain one of the top four leading causes of death among the construction trades. This video highlights the ways in which workers can protect themselves.
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The E6010 electrode is a wire encased in cellulose held together with salts and minerals. These electrodes penetrate better than low-hydrogen electrodes like E7018 when making root passes, making it easier to make a good root pass. However, E6010 introduces hydrogen into the weld creating a risk of cracking, and this article shows when its use should be limited.
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Serious health hazards are sometimes less obvious, and the effects of these hazards can take time to develop. This resource provides tips for protecting your physical, chemical, biological and ergonomic health so these hazards don’t lead to lifelong issues.
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Understanding the implications of the Inflation Reduction Act and its impact on pricing jobs for installing heat pumps or heat pump water heaters can be daunting. However, a new resource from ENERGY STAR aims to simplify this process, specifically tailored for selling and installing Air Source Heat Pumps, Heat Pump Water Heaters, and Electric Panel Upgrades. It's crucial for both contractors and property owners to grasp these credits, as they can cover up to 30% of project costs.
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Two prevalent misconceptions revolve around the effectiveness of heat pumps in colder climates and their serviceability. To address these misgivings and better equip professionals for customer discussions, MSCA contractors and ENERGY STAR have developed a concise reference guide. This resource not only tackles these challenges head-on but also aids in preparing individuals for productive conversations with clients who hold these perceptions.
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MSCA Board member Drew Harrison hosts a panel of industry experts who share how heat pumps can help grow your business and improve profits. MSCA and the UA have been working with Pacific Northwest National Laboratory (in support of the US Department of Energy) to boost heat pump and heat pump water heater training and recruitment as massive federal incentives become available.