Why RL Deppmann for Your Water Heater? Whatever your needs are for water heaters, R L Deppmann offers a high level of technical service, a …
Hydronic Heating Buffer Tanks Part 2 – Sizing
Hydronic heating system buffer tanks are used to add water volume to the system to help avoid excessive cycling of the boiler. How do you …
HVAC Hydronic System: Parallel Pump Operation and Curves
Parallel pumping in hydronic systems can save energy and construction capital costs. Today we continue the series on parallel pumping where we look at the …
Condensing Boilers and Air Handing Unit (AHU): Hydronic Hot Water Coil Return Temperature
Correction to my 8-26-19 blog. In the rush to get on vacation I messed up on my math. This is corrected. Thank you to Tom …
Domestic Water Heaters: Plate Heat Exchangers and Dual Return Condensing Boilers
Gas-fired storage type domestic water heaters are the norm in commercial and institutional buildings. Walk into any mechanical room of a larger complex and you …
Condensing Boilers and Air Handling Units (AHU): Hydronic Hot Water Coil Return Temperature
Hydronic system hot water coils in air handling units often have secondary pumps for freeze protection. The hot water coils usually have design temperatures that …
“Top 6” Dual Return Condensing Boiler Opportunities for Enhanced Savings
Dual return condensing boilers can enhance the efficiency of your heating plant by 3-6%. How can an HVAC and Plumbing engineers design the system to …
Condensing Boilers – Use Dual Returns for Greater Energy Savings
Several people have asked about the three system connections on the photos of Aerco Platinum condensing boilers shown in the R. L. Deppmann Monday Morning …
‘Tis the Season for Maintenance on your Condensing Boilers
Aerco Benchmark Standard and Platinum condensing boilers are an extremely efficient investment. As we close out the heating season here in Ohio and Michigan, it …
Hands On Boiler Class – Grand Rapids
This class is intended for maintenance personnel and service contractors, and will be focusing on Aerco Benchmark Boilers including model identification, sequence of operation, controls …








