The owner of a local engineering firm recently said to me, “First cost and space are key discussion points in any building design.” First cost …
Heat Pump Water Heaters: The Road to Decarbonization (Part 1)
Building plumbing design will always include the need for a domestic hot water heater. Plumbing engineers will traditionally look at gas fired tankless or tank …
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 …
Top 10 Things You Should Know About Commercial Electric Boilers (Part 2)
Welcome back to Part Two of our top 10 things to know about commercial electric boilers. As mentioned last week, HVAC and Plumbing Engineers are …
Primary Variable Heating Systems: Should I Pump Into the Boiler or Out of It?
We recently received several calls for our recommendation on whether to pump into the boiler or out of the boiler in a primary variable heating …
Condensing Boiler Efficiency and Your Boiler Schedule
The marketing directive is clear in the hydronic condensing boiler world. Make sure you highlight high efficiency in every boiler advertisement and bulletin. So before …
Condensing Boiler Staging & Dual Return for Higher Efficiency (Part 4 of 4)
An engineer uses larger temperature differences and deep reset when designing a condensing hydronic heating system. The design may utilize staging of multiple boilers in …
Hydronic System Design – High Delta T Can Improve Boiler Efficiency (Part 2 of 4)
How can you increase the operating efficiency of your condensing boiler heating system? This question was raised in the last R. L. Deppmann Monday Morning …
What is the Efficiency of my Installed Condensing Boiler? (Part 1 of 4)
This is part one of a four article series on Condensing Heating System Efficiency. Each week we will discuss maximizing efficiency not through product selection, …
Steam Water Heaters – What Steam Pressure Do You Use
Indirect steam water heaters for domestic water use are often the solution engineers will choose in institutional or industrial buildings. They require no venting. They …