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ACEEE | American Council for an Energy-Efficient Economy

ACEEE | American Council for an Energy-Efficient Economy

Issues

ACEEE’s work spans seven core focus areas and a range of related topics. Explore the issues shaping energy efficiency today.

Focus Areas

Our main areas of research

Affordability and Energy Equity

Behavior and Health

Energy Efficiency Policy

Homes and Buildings

Industry and Manufacturing

Utilities and the Power Sector

Featured Research Topics

Specific themes and technologies

Appliances and Equipment

Building Policies and Codes

Decarbonization

Industrial Heat

Low-Income Energy Efficiency Programs

Homes and Multifamily Buildings

Efficiency, Flexibility, and Rate Design Programs

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Research that drives efficiency forward.

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What is Energy Efficiency?

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News & Insights

Summer Study Proceedings

Focus Areas

Affordability and Energy Equity

Behavior and Health

Energy Efficiency Policy

Homes and Buildings

Industry and Manufacturing

Utilities and the Power Sector

Featured Research Topics

Appliances and Equipment

Building Policies and Codes

Decarbonization

Industrial Heat

Low-Income Energy Efficiency Programs

Homes and Multifamily Buildings

Efficiency, Flexibility, and Rate Design Programs

Research & Publications

Research Reports

Public Filings & Testimony

What is Energy Efficiency?

Donate Join

News & Insights

Summer Study Proceedings

Search

Summer Study Proceeding Paper

Split HPWHs as an Efficient Solution for Multifamily Buildings with In-Unit Water Heaters

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Authors

Bethany Sparn, Greg Shoukas, Erin Lewis

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ACEEE | American Council for an Energy-Efficient Economy

The American Council for an Energy-Efficient Economy (ACEEE), a nonprofit research organization, develops policies to reduce energy waste and combat climate change. Its independent analysis advances investments, programs, and behaviors that use energy more effectively and help build an equitable clean energy future.

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