Tom Lorenz – Dwyer Instruments Blog

Air Balancing Success Story

Tom Lorenz — Wed, 12 Aug 2020 13:45:31 +0000

The Series SAH SMART Air Hood® balancing instrument looks different than traditional air hoods, but that’s because it’s solving balancers’ problems in a new way. Take, for example, some feedback we received from Ken (a TAB technician) earlier this year. Small, highly maneuverable air hood Ken was measuring standard 2’ x 2’ diffusers with our …

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Ensuring HVAC System Safety for Reopening Schools & Office Buildings

Tom Lorenz — Wed, 29 Jul 2020 12:46:40 +0000

The current COVID-19 pandemic spread and breadth is unprecedented. Because of this, it is important that precautions are taken when reopening schools and office buildings. The question we find ourselves asking as professionals in the HVAC trade is this: How do you return the HVAC system back to normal operations (and continued operations) during this …

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Calibration Service Tiers

Tom Lorenz — Wed, 18 Sep 2019 14:35:39 +0000

High quality, well-functioning test equipment is an important part of any balancer’s toolbox. As a balancer, your customers rely on you to keep their buildings comfortable, to help them meet federal building regulations, and to help them save energy and money. Your customers expect you to provide accurate readings, and in order to do so, …

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Why Choose the Original Equipment Manufacturer for Calibration Services?

Tom Lorenz — Wed, 14 Aug 2019 12:00:16 +0000

You’re probably familiar with OEM products. But what about OEM calibration services? OEM stands for Original Equipment Manufacturer and describes companies that make devices from component parts. Some OEMs also offer calibration services that are specific to the product you purchased from them. For many types of test equipment, annual calibration is necessary to ensure …

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Work Smarter, Not Harder. Hydronic Balancing Simplified.

Tom Lorenz — Mon, 03 Dec 2018 14:06:09 +0000

I often get asked, how should one simplify the hydronic balancing process? Since system blueprints will specify exactly where to set the balancing valves on the hydronic system to achieve proportional flow, it may seem simple enough for an installing contractor to determine the pressure drop through each circuit; however, hydronic systems are rarely installed exactly as designed. Design …

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