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Condensing Boiler Specification – Part 7 – O2 Trim Saves Your Client Money

RL Deppmann November 27, 2023Operation, Selection and Specification, Commissioning, O2 Trim, Monday Morning Minutes, Boilers, Condensing

Any person who loves to drive fast classic cars understands the need for proper air-to-fuel mixture or ratio. If you are old enough to remember …

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bryan bh boiler
bryan bh boiler

Top 10 Things You Should Know About Commercial Electric Boilers (Part 1)

Norm Hall May 30, 2022Boilers, Condensing, Operation, Monday Morning Minutes

HVAC and Plumbing Engineers are discussing more decarbonization and electrification of systems with their clients. The use of electric boilers vs. gas fired condensing boilers …

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CondensingHydronicsNorm Hallhydronic systemsHVAC Hydronic Systemhydronic systemBoilers

What is the Efficiency of my Installed Condensing Boiler? (Part 1 of 4)

Norm Hall January 31, 2022Boilers, Condensing, Efficiency, Operation, Monday Morning Minutes

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, …

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CondensingCondensing Boilerboiler efficiencyefficient condensing boilersBoilers
primary secondary piping
primary secondary piping

Primary – Secondary Piping and Water Tube Boiler Cycling

Norm Hall November 2, 2020Monday Morning Minutes, Boilers, Condensing, Efficiency, Operation, Hydronic System Design, Primary Secondary Piping

Primary – Secondary piping is recommended with most water tube condensing boilers. Once the boilers have turned down to the lowest firing rate, cycling will …

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air handling units
air handling units

Condensing Boilers and Air Handling Units (AHU): Hydronic Hot Water Coil Return Temperature

Norm Hall August 26, 2019Primary Variable Piping, Temperature Control, Monday Morning Minutes, Boilers, Condensing, Operation, Hydronic System Design

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 …

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snow melt diagram
snow melt diagram

“Top 6” Dual Return Condensing Boiler Opportunities for Enhanced Savings

Norm Hall August 5, 2019Boilers, Condensing, Operation, Hydronic System Design, Selection and Specification, Heating, Monday Morning Minutes

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 …

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Condensing Boilers – Use Dual Returns for Greater Energy Savings

Norm Hall July 29, 2019Monday Morning Minutes, Boilers, Condensing, Operation, Selection and Specification

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 …

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Dirty Aerco filter
Dirty Aerco filter

‘Tis the Season for Maintenance on your Condensing Boilers

Norm Hall July 15, 2019Monday Morning Minutes, Boilers, Condensing, Operation

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 …

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Turndown Ratios in Condensing Boilers and Water Heaters

Norm Hall June 29, 2009Operation, Condensing, Operation, Operation, Monday Morning Minutes, Boilers, Water Heaters, Condensing, Gas Fired

Printer Friendly (PDF) Early hydronic boilers started with on-off control, moved into staging, and many now use modulating control. Each one of these steps has …

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What is the efficiency of my installed condensing boiler or water heater?

Norm Hall June 15, 2009Monday Morning Minutes, Boilers, Condensing, Efficiency, Operation

If you answered 97%, you’re not alone. You’re most likely not right, but you’re not alone. Many boiler manufacturers have jumped into the world of …

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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
      • Water Heater Stock
      • Boiler Stock
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Solutions
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Water Solutions
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Basic Hydronic Blog Articles
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News