Category Archives: Title 24 Residential

Frequently Asked Questions About HERS Rating Service

Posted on April 9, 2011 by

What is a Home Energy Rating System (HERS)? It is a nationally recognized program that is an objective, standardized evaluation of the energy efficiency of a home, compared to a simulated reference house (same size and shape as the rated home) that … Continue reading →

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2008 California Energy Standards Requirements HVAC Clarified

Posted on April 1, 2011 by
Attic_hvac-installation

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The new (2008) California Building Energy Efficiency Standards went into effect on January 1, 2010. The new Standards make a distinction between two types of change-out situations 1) New or Replacement Space Conditioning Systems include a completely new or replacement duct system, … Continue reading →

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What Is A Bathroom Ventilation Smart Switch?

Posted on April 1, 2011 by

The example below of a Smart Switch can be used as a control device for intermittent whole building ventilation.  This Smart Exhaust is a smart switch for controlling a bathroom exhaust fan. It has an adjustable delay feature allowing the fan to run for … Continue reading →

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Why Do I Need A HERS Rater?

Posted on April 1, 2011 by

The HERS rater is responsible for conducting the field verification and diagnostic testing of the installed special features when required by the Certificate of Compliance (CF-1R). The HERS rater must transmit the results of the field verification and diagnostic testing to the HERS … Continue reading →

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