Heat Pump Water Heater Fundamentals

0:00 Intro
2:13 Agenda
7:41 DHW and the electrical utility grid
12:52 Batteries to store solar energy
17:29 Mixing valves
23:20 COP considerations
30:23 Heat pump water heaters in new projects
37:25 Heat pump water heaters in retrofits
46:39 Commercial heat pump water heaters
51:17 non heat pump water heater alternatives
52:38 Case study
58:45 Question and answer

Technical Content Level: Basic

The two primary objectives in a domestic hot water plumbing system are: 1. Heat the water in a cost-effective manner. 2. Deliver the water at an appropriate temperature to the plumbing fixtures.

There are many options to accomplish both objectives using a wide variety of energy sources. One approach that is quickly gaining market share is based on heat pump technology. Max Rohr will cover the key criteria to consider when installing heat pump water heaters in new and existing buildings.

→ Industry status
→ Coefficient of performance (COP)
→ Evaluating when a heat pump water heater might be a good fit
→ New construction considerations
→ Retrofit considerations
→ Additional electric options

Max is Caleffi education and industry engagement manager leading interactions with trade associations, committees, industry initiatives and collaborative manufacturer partners. He has 20+ years of work experience in installation, distribution, manufacturers’ representative and manufacturing roles. Max is a self-described "energy nerd."

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