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 …
Heat Pump Water Heaters: Refrigerants and Weather (Part 3)
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 …
Heat Pump Water Heaters: How They Work (Part 2)
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 …
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 …
Carbon Reduction is the Dream. Here’s How to Make it a Good One.
Carbon reduction in building design is critical to the lifestyle of our future generations. Most engineers and their owner clients understand the concerns and welcome …
Domestic Hot Water Recirculation Systems eBook
The design of a domestic water recirculation system is critical for commercial and institutional buildings. Today, R. L. Deppmann launches a new resource to assist …
Packaged Domestic Hot Water Pathogen Mitigation
Domestic hot water systems should be designed to limit the risk of pathogen issues including Legionnaires Disease. Avoiding risk in the design of these systems …
Domestic Hot Water: Pathogen Mitigation
Hot water plumbing system design is a hot topic. The building plumbing design/engineering team is faced with a variety of new products, standards, and codes. …
Water Heaters & Hard Water: Template Assisted Crystallization
Hard water is the enemy of plumbing system water heater efficiency and life. Many water heater manufacturer’s warranties are affected by hard water precipitate. We …