Many northern state energy codes require economizers for chilled water systems. Waterside economizers per ASHRAE 90.1-2013 and 2010 shall provide up to 100% of the …
Free Cooling Heat Exchangers (Part One)
The ASHRAE young engineers heard about the free cooling system in the recent tour of the DTE Vantage Dearborn Central Energy Plant. The free cooling …
Heat Exchanger Types and Where to Use Them: Part 4 – Variable Flow Applications
When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any …
Heat Exchanger Types and Where to Use Them: Part 3 – Close Temperature Applications
When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any …
Heat Exchanger Types and Where to Use Them: Part 1 – Shell & Tube
There are a variety of unfired liquid to liquid and steam to liquid heat exchangers for the engineer to choose from. The Gasketed Plate, Brazed …
Hot Water Heater Decarbonization: Using Condenser Water to Pre-Heat the Incoming Cold-Water
Decarbonization does not always automatically become electrification. The enterprising engineer will first look at diverse ways to reduce the carbon use. Here is an example …
Condensing Boiler Venting Material (Part 2)
Proper venting of hydronic condensing boilers is critical for the safety of occupants and the successful operation of the heating plant. Part one of this …
PVI Conquest Water Heaters Part 1: Basic Settings & Features
In part 1 of 2 of our series on PVI Conquest, we will highlight some of the important features of the Conquest line by PVI. …
Steam Trap Operation: Steam and Steam Heat Exchanger Basics Part 10
For the last two weeks, R. L. Deppmann Monday Morning Minutes has explained how the float and thermostatic steam trap operates, offering some tips for …
The Four Types of Heat Exchanger Failures
Knowing how to prevent heat exchanger failures can help eliminate expensive repairs down the road. Bell & Gossett Chief Product engineer, Marvin P. Schwartz detailed the four …
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