weatherization training

Industrial and Commercial Services

Energy Efficiency Training 

What is RESNET?

RESNET provides the leading professional certification for home energy raters.

RESNET provides the leading professional certification for home energy raters and is the creator of the Home Energy Rating System (HERS).  The HERS Rater certification is highly respected nationally, and provides certified Raters with the ability to quantify the relative energy efficiency of both new and existing homes.  Raters measure a home's performance through various on site evaluations, diagnostic testing, and by inputting results into specialized software that generates a home energy rating based on the HERS Index.  In addition, RESNET has identified three levels of home energy audits that HERS Raters can offer, listed in order of ascending scrutiny: Home Energy Survey, Building Performance Audit, and Comprehensive HERS Rating.

RESNET Standards are recognized by the U.S. federal government and are used to verify eligibility for tax incentives and programs including the Environmental Protection Agency’s ENERGY STAR program and the Department of Energy’s Building America Program.  In addition, the mortgage industry utilizes RESNET’s standards to assist in the creation of energy efficient mortgages.

 What does this mean for me?

A HERS Rating delivers a vitally important service to homebuyers, lenders, and appraisers by providing a clear and robust third-party analysis of a home’s energy efficiency.  As a result, the demand for HERS Raters will continue to rise as the awareness of the value of energy efficiency increases.


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“I have been associated with Apple Energy for a number of years and with Greg Hall personally over the same time period.  During this time period, I have had the opportunity to work with Greg and Apple Energy in several business areas.  I have always been impressed with the professional nature of his company and especially the individuals who are apart of his Apple Energy team.  I am also very impressed with Greg's ability to attract and hire quality young enthusiastic individuals who support his business development programs, while maintaining an extremely capable and experienced technical training staff. These attributes of Apple Energy along with Greg's ability to set strategic objectives create a very dynamic business entity.”

John Bosch Jr.

Principal & Partner, Cedar Creek Companies

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