• Blog
  • Locate a Wholesaler
  • Careers
  • Contact
Image
  • 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
elephant in room
elephant in room

Heat Pump Water Heaters: Example Apartment Building Costs (Part 10)

Norm Hall October 10, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Your client is interested in a commercial R-744 refrigerant heat pump water heater solution. The example system I used in this blog is an apartment …

Read More
ASHRAENorm HallWater Heaters
elephant in room
elephant in room

Heat Pump Water Heaters: Example Apartment Building (Part 9)

Norm Hall October 3, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Air source heat pumps are beginning to get attention in conversations among engineers in the northern climates. I appreciate everyone’s patience as you opened this …

Read More
Domestic Hot Water Recirculation Systemshot water recirculationNorm HallPVI-Water HeatersTanksWater Heaters

Heat Pump Water Heaters: Capacity, COP, and Weather (Part 8)

Norm Hall September 26, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

How will the weather in a northern climate affect the selection of the heat pump water heater with R-744 refrigerant? What about the Coefficient of …

Read More
heatingWater Heaterswater pump water heaters
frozen ice
frozen ice

Heat Pump Water Heaters: Standby Capacity (Part 7)

Norm Hall September 19, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Hot water availability in many commercial and institutional buildings is critical. Engineers also know that these service water systems are generously sized for the peak …

Read More
Domestic Hot Water Recirculation Systemshot water recirculationhydronic systemHydronicsNorm HallWater Heaters
commercial pump water heater
commercial pump water heater

Heat Pump Water Heaters: Hot Water Recirculation (Part 6)

Norm Hall September 12, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

How does the commercial heat pump water heater, using the preferred R-744 refrigerant, handle the domestic hot water recirculation load? The R-744 (carbon dioxide) heat …

Read More
Domestic Hot Water Recirculation Systemshydronic systemsHydronicsNorm HallWater Heaters

Heat Pump Water Heaters: Parts and Pieces and Storage (Part 5)

Norm Hall September 5, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

What does a commercial air source heat pump water heater look like? Where will it be located and what are the major components that the …

Read More
heat pumpsstorage tanksWater heaterwater heater parts
temperatures
temperatures

Heat Pump Water Heaters: Temperatures & Storage (Part 4)

Norm Hall August 22, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Commercial heat pump water heaters using R-744 (CO2) refrigerant operate best when attention is paid to the piping and storage tank arrangement. Today, in part …

Read More
Expansion TanksNorm HallPipingpumpsTanksWater Heaters

Heat Pump Water Heaters: Refrigerants and Weather (Part 3)

Norm Hall August 15, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Heat pump water heaters use the heat pulled from the water or air source to heat the domestic water. Most of the time the commercial …

Read More
electric water heatershot pump water heatersWater Heaters
Lemonade Stand
Lemonade Stand

Heat Pump Water Heaters: How They Work (Part 2)

Norm Hall August 8, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

Heat pump water heaters have a place in the decarbonization efforts by building plumbing designers, contractors, and engineers. Heat pumps have been part of the …

Read More
HVAC Hydronic SystemHVAC SystemsNorm HallpumpsWater Heaters

Heat Pump Water Heaters: The Road to Decarbonization (Part 1)

Norm Hall August 1, 2022 Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes, Plumbing System Design, Water Heaters

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 …

Read More
carbon reductiondecarbonizationelectricHeat pump water heatersNorm HallWater Heaters
  • Page 2 of 10
  • ←
  • 1
  • 2
  • 3
  • ...
  • 10
  • →

About Us

Providing quality products and outstanding service to customers in Northern Ohio & Michigan since 1927.
ImageImage

Call Us: 800.589.6120

Navigation

  • Products
  • System Design
  • Contractors
  • Service & Parts
  • Education
  • About RLD
  • Careers

Connect

Connect with us on LinkedIn
Subscribe on YouTube
Cleveland | Detroit | Grand Rapids | Saginaw
Copyright ©2017 R.L. Deppmann. All Rights Reserved
  • 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