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Heat Pump Retrofit Primers for Multifamily Buildings

April 6, 11:15 am to 12:15 pm


Approved for 1.0 general GBCI CE & 1.0 AIA LU



Chris Pendley, Senior Building Systems Engineer - CEM, Steven Winter Associates, Inc.

Robin Neri, Senior Building Systems Engineer - CEM, Steven Winter Associates, Inc.




Heat pump conversions of existing multifamily buildings are an important part of many climate action plans for metropolitan areas such as Montgomery County. Heat pump retrofits serve to electrify building loads that may normally be served by gas such as heating  hot water and domestic hot water; this session will relate electrification needs to the broader Montgomery County Climate Action Plan.


Retrofitting mechanical systems in multifamily buildings can be complex, and while multiple effective solutions are commercially available, the integration considerations are not widely understood across the market. This session will provide an overview of the technology options currently available and discuss retrofit strategies for a variety of multifamily building typologies.

Learning Objectives

  1. List applicable heat pump technologies for major multifamily retrofit applications.

  2. Identify the factors that determine if a heat pump can be installed as a central system or as a unitized alternative. 

  3. Describe opportunities to implement a heat pump retrofit in phases.

  4. Summarize the major considerations and barriers to consider when converting multifamily buildings.


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