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Commercial Tankless Water Heaters: O2 Trim and Controls

Norm Hall December 5, 2022 Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, Water Heaters

Gas fired water heaters remain the solution for most commercial water heater applications. Tankless gas fired water heaters are the choice of many engineers. Tankless …

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Norm Halltankless water heatertankless water heaterswarrantyWater Heaters

Domestic Water Heaters: Plate Heat Exchangers and Dual Return Condensing Boilers

Norm Hall September 9, 2019 Cooling, Heat Exchangers, Hot Water Systems, Hydronic System Design, Monday Morning Minutes, Plate Type, Plumbing, Tankless, Water Heaters

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 …

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Aerco Tankless Water Heaters
Aerco Tankless Water Heaters

Sizing Tankless Water Heaters

Norm Hall March 7, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, 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? …

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Aerco MER
Aerco MER

Tankless vs. Volume Water Heating Costs

Norm Hall February 29, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, Water Heaters

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? …

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Diagram Showing Water Heater Cycling
Diagram Showing Water Heater Cycling

Energy Loss from Water Heater Cycling in Volume vs. Tankless Models

Norm Hall February 22, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, Water Heaters

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 …

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Volume Water Heater Temperature Mixing Rule# 3
Volume Water Heater Temperature Mixing Rule# 3

Water Heater Efficiency in Tankless vs. Volume Water Heaters

Norm Hall February 15, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, 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 …

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tankless water heatervolume water heaterWater heaterwater heater efficiency
Aerco Innovation Tankless High Efficiency condensing water heater
Aerco Innovation Tankless High Efficiency condensing water heater

Piping in a Tankless Water Heater vs. Volume Water Heaters

Norm Hall February 8, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, 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 …

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Innovation Tankless Commercial Service Water Heaters
Innovation Tankless Commercial Service Water Heaters

Tankless Commercial Service Water Heaters

Norm Hall February 1, 2016 Gas Fired, Hot Water Systems, Monday Morning Minutes, Plumbing System Design, Tankless, Tankless, Water Heaters, 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 …

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Providing quality products and outstanding service to customers in Northern Ohio & Michigan since 1927.
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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Installation
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News