Final Report on the Project to Measure the Effects of ECM Furnace Motors on Gas Use at the CCHT Research Facility

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TypeTechnical Report
Physical description1 v. (various pagings) p.
Subjecttwin-house testing, efficient furnace fan motors, residential heating, energy measurement, consumption, space heating, energy performance; Housing technology
AbstractAn evaluation of the impact of Electronically Commutated Motors (ECM*) on electrical and gas energy use has been carried out at the Canadian Centre for Housing Technology (CCHT) in Ottawa, Canada. The purpose was not only to demonstrate the ability of the high efficiency ECM motor technology to save large amounts of electrical energy in moving air in forced air heating and cooling systems, but also to quantify the amount of any extra natural gas that would be required during the heating season, and extra electrical energy that could be saved in the cooling season, in a climate that is typical of the Canadian winter heating season. The two CCHT houses were benchmarked (run with the normal permanent split capacitor (PSC) fan motors in both) to show that their operation was nearly identical for 17 days during the heating season, and for 29 day during the air conditioning season. Heating season testing was done over 29 days between February 15th and May 25th 2002, and clearly showed significant reductions in the use of electricity, and corresponding increases in natural gas use. Cooling season testing occurred over 41 days between August 1st and October 3rd 2002, and showed reductions in electricity use for both the furnace fan and the air conditioner compressor. The HOT2000 energy simulation model was used to generalize the results to an entire year, for both mid- and high-efficiency furnaces in a variety of house types in four Canadian cities. The house types are R-2000, typical new, typical existing, typical row, and typical row with a horsepower (HP) fan motors. (All other houses have ½ HP motors). The cities are Winnipeg, Toronto, Ottawa and Moncton.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number38500
NPARC number20386158
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Record identifierba1614e0-636b-4b87-a622-eb59f368eaec
Record created2012-07-25
Record modified2016-10-03
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