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Air Conditioner Shading Shows Minimal Savings
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A study by the Florida Solar Energy Center (FSEC) on the effects of shading outdoor air conditioner condensers indicates that energy savings benefits are modest at best--less than 5%. [continue reading]
Multifamily Retrofit, Southern Style
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Multifamily buildings in warm climates often use a lot of electricity for air conditioning, presenting excellent opportunities for energy savings. [continue reading]
Bigger is Not Better: Sizing Air Conditioners Properly
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A colleague of ours (we will call him Bill) approached us at a conference seeking advice on selecting an air conditioner for his renovated home. Our recommendations included, "Be sure that the cooling load is calculated and that the air conditioner is sized to that load." [continue reading]
Targeting Residential Conservation Measures
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Space cooling is a major contributor to electric utility peak loads in the Southwest. [continue reading]
Ground-Source Heat Pumps Gaining Ground
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Ground-source heat pumps (GSHPs), also called geothermal heat pumps or ground-coupled heat pumps, are gaining popularity as efficient space-conditioning systems. [continue reading]
Looking for a Few Good Contractors
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When it comes to heating and cooling systems, consumers are concerned with comfort, as well as price, according to an independent study. Contracting Business magazine wanted to determine what consumers want from their heating and cooling systems. [continue reading]
Will Duct Repairs Reduce Cooling Load?
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Summer air conditioning causes the peak demand for electricity in most parts of the United States. If utilities reduce air conditioning demand, then they can avoid building expensive power plants. [continue reading]
Affordable Cooling with Window Air Conditioners
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While families in southern climates use a considerable amount of energy during the cooling season, conservation programs aimed at reducing air conditioning electricity consumption usually only target homes with central air conditioning, reflecting a general belief that homes with window units can't produce significant savings. [continue reading]
Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...
Doug Garrett
Home Performance and HVAC Contractors: Recent Legislative Initiative In Texas
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they ...
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