Humidification is one of those areas where the terminology can often be a roadblock to understanding the topic. After all, we’re not all meteorologists! Since …
Humidification Basics: Why We Humidify in Building Design
Ever hear the phrase, “It’s not the heat, it’s the humidity”? It’s all about humidification in this Monday morning Minute series. In the commercial HVAC …
Parallel Pumping with Unequal Condensers (Part 4)
Over the last few weeks our Monday Morning Minutes posts have looked at pumping issues with parallel, equal-sized condensers and pumps. This week we will look …
Selecting the Proper Glycol Concentration for Closed-Loop HVAC Systems
There are two basic types of glycol protection available for your closed-loop HVAC system: “burst protection” and “freeze protection.” Burst protection is sufficient if the …
Bell & Gossett Part Load Efficiency Value (Part 5): BTUH Load Output vs. Percent of Flow Tolerance
The last four segments of the R. L. Deppmann Monday Morning Minutes introduced the valuable PLEV tool from Bell and Gossett. The part load efficiency …
Condensate Traps on Dri-Steem Dispersion Tubes
Some installations of Dri-Steem dispersion tubes require a condensate trap or P-trap. Condensate traps help remove as much of the condensate from the steam as possible …
Bell & Gossett Part Load Efficiency Value Part 4: End-of-Curve Selections
When looking at Bell and Gossett pump selections, we often find higher part load efficiency (PLEV) pump choices are to the right of the BEP, or best …
Bell & Gossett Part Load Efficiency Value Part 3: HVAC Pump Selection
In the last two Monday Morning Minutes, we introduced the PLEV, or Part Load Efficiency Value, from Bell and Gossett. When we use part load …
Laars Parts ID Now has Photos
Laars Heating Systems announces the inclusion of parts photos in the Laars Parts ID portal! The Laars Parts ID portal lists all parts used at …
Bell and Gossett Part Load Efficiency Value Part 2: How to use PLEV
In the last Monday Morning Minutes post, we introduced the PLEV, or Part Load Efficiency Value from Bell and Gossett. This week we look at some …