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Energy Efficient Homes: Air Conditioning
Source: edis.ifas.ufl.edu
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Short Description: Apr 22, 2008 ... system can reduce your air conditioning costs by. over 30%. ... Sizing the air conditioner close to the actual load ...
Content Inside: FCS3262 Energy Efficient Homes: Air Conditioning1 Wendell A. Porter, Hyun-Jeong Lee, and Kathleen C. Ruppert2 Quick Facts SEER A measure of efficiency for air conditioning units; the higher the SEER number, the · Heating, ventilation and air conditioning more energy efficient the unit is in cooling the air accounts for more than 40% of your utility bill. SHR A measure of efficiency for air · For every degree setting below 78°F, you conditioning systems ability to remove moisture or spend up to 8% more in cooling costs. humidity; the higher the SHR number, the less capable the system is in removing humidity · The average cost of electricity in Florida in 2007 was $0.11/kWh. Air handler The indoor unit that moves the air through the heating/cooling system · Upgrading from a 9-SEER to a 13-SEER system can reduce your air conditioning costs by Cooling load & Load calculation Measurements over 30%. that calculate what size system is appropriate for a particular structure given its square footage, Terms to Help Get You Started ductwork analysis, insulation, windows, etc. Ton A measurement of size used to determine Condenser The outdoor unit that keeps the cooling capacity refrigerant cool HVAC Heating, Ventilation, and Air Heat Pump An air conditioner equipped with a Conditioning equipment valve that lets it "switch" between "cooling mode" and "heating mode" BTU & kWh British Thermal Unit & kilowatt-hours Supply & Return Supply registers and ducts bring conditioned air in; return registers and ducts draw air out to be reconditioned 1. This document is FCS3262, one of an Energy Efficient Homes series of the Department of Family, Youth and Community Sciences, Florida Cooperative Extension Service, IFAS, University of Florida. This material was prepared with the support of the Department of Environmental Protection, Florida Energy Office. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the author(s) and do not necessarily reflect the views of the Florida Department of Environmental Protection. Original publication date: Earth Day, April 22, 2008. Please visit the EDIS Web site at http://edis.ifas.ufl.edu. 2. Wendell A. Porter, lecturer and P.E., Department of Agricultural and Biological Engineering, Hyun-Jeong Lee, assistant professor, Department of Family, Youth and Community Sciences, and Kathleen C. Ruppert, associate extension scientist, Program for Resource Efficient Communities, University of Florida, Gainesville, FL 32611. The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Larry Arrington, Dean
