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Data

The results from ESL's research and software projects is presented here.

IC3 - Registry House Parameters

Parameter Reports from IC3, updated at least monthly.

The following shows selected data from the IC3 (International Code Compliance Calculator) database starting with data collected in 2009.

New requirements were identified during evaluation of this data, such as: differentiation between final- and work-in-progress projects, third party verification of construction, and the need to merge IC3 and TCV as the State began to move to IECC 2009.

The Texas Administrative Code 388.008c lists areas where ESL may cooperate with Industry to accomplish three tasks including: "Provide a registry of completed ratings for newly constructed residences and residential improvement projects for the purpose of computing the energy savings and emissions reductions benefits of the home energy ratings program"

Click on any of the images below to zoom in and see their details.


Envelope

IC3 ceiling R values in Texas

This table and map shows which Texas Counties have the highest ceiling R values in their new home construction over the last twelve months.

IC3 average wall insulation values in Texas

This table and map shows which Texas Counties have the highest average wall insulation values in their new home construction over the last twelve months.

IC3 window to wall ratios in Texas

This table and map shows which Texas Counties have the highest window to wall ratios in their new home construction over the last twelve months.


Systems

IC3 SEER values in Texas

This table and map shows which Texas Counties have the highest SEER values in their new home construction over the last twelve months.

IC3 heating efficiency values in Texas

This table and map shows which Texas Counties have the highest heating efficiency values in their new home construction over the last twelve months.

IC3 water heater efficiencies in Texas. CLICK TO ENLARGE!

This table and map shows which Texas Counties have the highest water heater efficiencies in their new home construction over the last twelve months.


Mixed

IC3 ratio of square footage to tons of HVAC in Texas

This table and map shows which Texas Counties have the highest ratio of square footage to tons of HVAC in their new home construction over the last twelve months.


For more information on the Texas Building Registry you may refer to these publications:

 

Texas Building Registry Demographics

New building construction characteristic reports being added for March 2011

The Texas Administrative Code 388.008c lists areas where ESL may cooperate with Industry to accomplish three tasks including: "Provide a registry of completed ratings for newly constructed residences and residential improvement projects for the purpose of computing the energy savings and emissions reductions benefits of the home energy ratings program"

The following shows selected data from the International Code Compliance Calculator's (IC3) database starting with data collected in 2009. IC3 provides paper (or PDF) energy code compliance certificates to homebuilders for submission to their local building officials. The system's functionality was expanded in 2009 to include IECC 2006 (Houston) and IECC 2009 code compliance. Builder and code official training was conducted around the State.

It was during evaluation of this data that new requirements were identified such as differentiation between final and work in progress projects, third party verification of construction, and the need to merge IC3 and TCV as the State began to move to IECC 2009.

Click on any of the images below to zoom in and see their details.


Texas


IC3 Usage in Texas

This graph shows the growth in new accounts per month (in blue) and the cumulative accounts (orange) by month. This is anyone who has registered in the software except those with a University email account.
Click to enlarge!


IC3 Users vs Certificates - Texas

This chart shows the relationship between Active Users and Certificates. Active Users are non-University, non-Government email accounts, and who have generated one or more Certificates. Certificates are what the user prints to give to their building official - assuming that the house is at or above code. In 2009 users would enter a basic floor plan and re-cycle it to generate certificates.
Click to enlarge!


Counties

IC3 Certificates for Top 10 Counties

A graphical representation of Certificates generation by County shows that the largest adopter is the North Central Texas Council of Governments (NCTCOG) area.


Top 10 Counties for IC3 Certificates, last 12 mo

Over the last 12 months certificate counts have been heading up!.
Click to enlarge!


Cities

IC3 Certificates for Top 10 Cities

Graphical representation showing the City of McKinney and City of Dallas as the largest generators of IC3 certificates from Oct 2009 forward.


 The top 10 Cities generating IC3 Certificates over the last 12 months are the cities of Dallas and Denton.

During the last 12 months these cities are showing growth!


Click to enlarge!


TCV Data

2009 New Users of the TCV Software

This graph shows the number of new users of TCV each month for the last 12 months.


Projects from the TCV Software from July 2009 forward

A graphical representation of the number of projects on TCV from Austin/Travis County from July 2009 forward.

For more information on the Texas Building Registry you may refer to these publications:

 
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