Temperature is important in heating and cooling systems. Today’s Building Management Systems (BMS) may monitor key areas of interest in the hydronic piping systems. Many …
Michigan Rolls ASHRAE 90.1-2013 into the 2015 Michigan Energy Code
The 2015 Michigan Energy Code is changing with an expected effective date of September 20, 2017. The long expected changes to the code were filed …
When a Bucket Trap is the Wrong Choice
Although inverted bucket traps have a long history in the steam business and can stand up to demanding application, they’re not always the best choice …
Pressure Gauge Accessories for Hydronic HVAC and Plumbing Systems
Sometimes when we add fries and other sides to a food order, the price of lunch and the calorie count can double. Let’s make sure …
Pressure Gauges for HVAC & Plumbing Systems
Today hydronic pump control, pressure independent balance, ASHRAE 90.1 reset requirements, dual return boiler systems, and other highly technical design options take our attention on …
Expansion Joints for HVAC Steam Systems
Steel expands when you heat it. This is a fact of nature and shouldn’t be overlooked when designing the HVAC steam piping system. One way …
How to Pick an HVAC Centrifugal Pump Part 11: Best Practices for Safety and Performance
As we conclude this series on how to select a centrifugal pump for your hydronic applications, we want to leave you with the following “best …
Vacuum Return Condensate Units – How necessary are they?
We are often asked the question, “Can I replace a vacuum return condensate system with a standard condensate return unit?” Let’s look at what happens …
How to Pick a HVAC Centrifugal Pump Part 10: HVAC Pump using a Variable Frequency Drive
The last R L Deppmann Monday Morning Minutes described the recommended limitations when over speeding a HVAC pump with a Variable Frequency Drive (VFD). Today …
How to Pick an HVAC Centrifugal Pump Part 8: Motors for HVAC Centrifugal Pumps
Motor speed for HVAC centrifugal pumps is a hot topic these days. Last week, the R. L. Deppmann Monday Morning Minute began exploring motors and …