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Standard Method of Test for Integrated Heat Pumps

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
-- ASHRAE - Atlanta, GA
-- Air Conditioning, Heating, and Refrigeration Institute (AHRI) - Arlington, VA
DOE Funding: $650,000
Project Term: Oct. 2011 - Sept. 2015

Project Objective

HVAC and water heating services to U.S. buildings is responsible for about 56% of all residential and 44% of all commercial buildings energy consumption. Meeting the DOE/BTO 2030 goal to reduce building energy use by 50% vs. a “business as usual” scenario will require development and market implementation of advanced, highly efficient building HVAC & water heating equipment options by 2020. The IHP concept was developed for BTO by ORNL to meet this challenge.  Several CRADA projects have been undertaken to develop commercial IHP projects.  However, no active, recognized test procedures or rating standards exist for an IHP. Generation of a rating standard, with supporting test procedure, approved by the cognizant bodies (ASHRAE and AHRI) is a necessity in order for these products to viably be marketed and compared, as appropriate.  This project will develop a test procedure and drive the process to produce the needed standard.

A proposed test procedure was completed and submitted to ASHRAE at the January 2013 annual meeting.  During the remainder of FY13, the procedure was sent out for public comment and no responses were received. ASHRAE approved the standard and it has been published.    Subsequent efforts in FY14 will be spent on working with AHRI to issue a rating standard based on the ASHRAE standard method of test.

Project Impact

The primary market segment for IHPs will be existing and new residential buildings, both single-family and small, low-rise multifamily types.  Based on the 2011 Buildings Energy Databook estimates of residences using electricity as the primary heating fuel and their estimated total residential HVAC & WH energy use in 2010, ORNL estimates that annual energy savings would approach 100 TBtus if the IHP technology penetrates 10% of that market by 2030.

This is an enabling project—it aims to permit the projected market penetration, and thus the projected energy savings, by prompting the establishment of the testing and rating standards necessary for market success. The 15-year cumulative value of the energy savings above (2015 to 2030) is ~$8 billion based on the 2010 average $0.115/kWh paid by residential consumers (2011 BEDB).


DOE Technology Manager: Tony Bouza
Performer: Ed Vineyard, Oak Ridge National Laboratory