Norm Hall
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November 21, 2022
The United States Department of Energy (DOE) has some minimum efficiency standards which go into effect on January 10, 2023, for Commercial Packaged Boilers. What... READ MORE
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Many heat pumps used in Ohio and Michigan are water source for comfort heating and cooling. Today, we want to look at the opportunity to... READ MORE
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Condensing Boiler Temperature Reset for Increased Efficiency (Part 3 of 4)
Norm Hall
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February 14, 2022
We are continuing with the series on Condensing Heating System Efficiency. Today, we are discussing condensing boiler temperature reset for increased efficiency. Hydronic condensing heating... READ MORE
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Domestic hot water systems should be designed to limit the risk of pathogen issues including Legionnaires Disease. Avoiding risk in the design of these systems... READ MORE
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Domestic Hot Water: Pathogen Mitigation
Norm Hall
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January 17, 2022
Hot water plumbing system design is a hot topic. The building plumbing design/engineering team is faced with a variety of new products, standards, and codes.... READ MORE
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Water Heaters & Hard Water: Template Assisted Crystallization
Norm Hall
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January 10, 2022
Hard water is the enemy of plumbing system water heater efficiency and life. Many water heater manufacturer’s warranties are affected by hard water precipitate. We... READ MORE
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Cooling Tower Design to Save the Planet: Part 2 of 4 – Cycles of Concentration
Bob Van Goor and Norm Hall
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May 24, 2021
The combination of water usage and energy usage in open loop cooling towers are a significant cost to owners. Owners are faced with tremendous water... READ MORE
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Part 1 of this series described the difference between electrode conductive electric humidifiers and resistive electric humidifiers. The article ended by showing a significant cost... READ MORE
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How Water Quality and Seal Selection Affect Hydronic Systems
Scott Tilley
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November 15, 2016
The water quality in hydronic systems directly affects the performance and life expectancy of the components in the systems. Total dissolved solids (TDS) and pH... READ MORE
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Importance of Water Quality and Type: Humidification Basics Part 9
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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November 7, 2016
Water quality is an important concern when it comes to humidification. Regardless of what type of humidification you’re using (isothermal or adiabatic), chances are you... READ MORE
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