Perhaps the last few R. L. Deppmann Monday Morning Minutes (MMM) posts have peaked your interest in AERCO tankless water heaters. Was it the energy savings? …
Tankless vs. Volume Water Heating Costs
When designing a high-efficiency service water heating system, you must often balance energy savings with your client’s budget. Tankless water heaters save energy, but at what cost? …
Energy Loss from Water Heater Cycling in Volume vs. Tankless Models
ASHRAE and the U.S. DOE both make definitive statements that water heater cycling can significantly affect efficiency. Today, we’ll quantify the energy loss from water heater cycling in …
How to Repair a Bell and Gossett Circulator with Missing Pump Tag
Bell and Gossett makes a full line of repairable three-piece circulators. Often you’ll have to repair these circulations long after they were put into service. This …
Bucky Walters – Former Grand Rapids Branch Manager and Owner of Deppmann Passes
It is with mixed feelings that I convey the news that Burwell J. “Bucky” Walters passed away on Feb. 5, 2016 at his residence in …
Water Heater Efficiency in Tankless vs. Volume Water Heaters
There are two parts to the real story behind tankless water heaters and volume water heaters: energy and cost of ownership. This week, we look at …
Chris Lieder Receives the L Glen Shields Award
Congratulations to Chris Lieder upon receiving the L Glen Shields Award at this past weekend’s American Society of Sanitation Engineers Awards banquet. Pictured with Chris …
Piping in a Tankless Water Heater vs. Volume Water Heaters
Service water heaters may be tank-type heaters, volume water heaters, or tankless heaters. How is the piping in a tankless water heater different from the more traditional …
Tankless Commercial Service Water Heaters
Fueled by news articles and industry blogs associating Legionnaire’s disease with domestic water heating, we’ve received more inquiries about the Aerco Innovation series of tankless water …
Parallel Pumping and Motor/Drive Efficiency for Domestic Water Pressure Boosters (Part 6)
In the last Monday Morning Minutes post, we explored motor and drive efficiency at part load conditions as a possible reason for the rule of …