Is this 2012 code already enforced for TX ? – whole-house mechanical ventilation system
darlakay123
| Posted in Building Code Questions on
Is the requirement of “whole-house mechanical ventilation system” for Code 2012 already being enforced in TX ?
Is it mandatory in the state of TX now ?
If so, can you send me copy of that section for Code 2012 or which website to locate it please ?
Thank You,
Darla Kay
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Replies
Darla,
You'll have to call up your local building department to verify which codes apply in your jurisdiction.
If the 2012 IRC applies, the relevant sections of the code are:
Chapter 3, section R303.4: "Mechanical ventilation. Where the air infiltration rate of a dwelling unit is less than 5 air changes per hour when tested with a blower door at a pressure of 0.2 inch w.c (50 Pa) in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole-house mechanical ventilation in accordance with Section M1507.3."
Chapter 15, section M1507.3. If you click on the link, you can read the provisions.
For a summary of the most important energy requirements in the 2012 IRC, including requirements for a mechanical ventilation system, see An Overview of the 2012 Energy Code.