Shell and Tube heat exchangers are often used in institutional steam-to-water heating applications. We recently received a call from a consulting engineer asking what the …
Heat Exchanger Fouling Factors
One of the most misunderstood items in the heat exchanger schedule is the fouling factor. This week’s Monday Morning Minutes post explores heat exchanger fouling factors …
What Is the ASME U-1 Stamp and Why Is It Important?
The R. L. Deppmann team frequently mentions the need for an ASME U-1 stamp on heat exchangers, tanks, and air separators. What is the ASME U-1 …
Swimming Pool Water Heaters and Condensing Technology Part 3: Heater Controls
In the last two weeks we discussed a great way to use a condensing boiler and a B&G heat exchanger for swimming pool water heaters. Last …
Swimming Pool Water Heaters Part 2: Heat Exchangers
Last week the Monday Morning Minute article calculated the load for a swimming pool heater. This week we introduce Bell & Gossett BPN plate heat …
Swimming Pool Water Heaters Part 1: Calculating Load
Recent Monday Morning Minute articles have discussed the advantages of tankless water heaters in domestic water applications with higher efficiencies at lower inlet temperatures. An …
Legionella in Service Water Heating Systems
Over the last few weeks the Monday Morning Minutes (MMM) posts have reviewed the use of tankless water heaters vs. traditional storage type water heater …
Sizing Tankless Water Heaters
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 …