Welcome to the Utah Energy Code Blog
Duct Leakage Testing
Question: Do I have to test residential ducts located outside the thermal envelope if I use the Performance or ERI Path for IECC Code Compliance? How do the Utah state amendments affect the testing requirement for ducts?I have received numerous questions regarding...
Duct Insulation R-values
Question from an HVAC supplier: Has the State of Utah adopted 2015 IRC requiring R8 on the returns at this time? Doesn’t the code allow R-4.2 for return ducts in the attic? If R-8, when did the code change? A couple of important items to consider includes the...
Work Together
New homes present a great opportunity to affect more efficient energy use, because the home’s building shell, which is the most important component of the home’s energy performance, will remain unchanged for many years to come. There is really only one chance to build...
Protect the Shell
New homes present a great opportunity to affect more efficient energy use, because the home’s building shell, which is the most important component of the home’s energy performance, will remain unchanged for many years to come. There is really only one chance to build...
How Do We Help Homeowners Care?
Imagine a rich uncle gave you $100,000 with the stipulation that you could only use the money to buy a truck. With cost not really being a factor, your list of things you would look for in a truck might look like this: Performance Maintenance Comfort Look/style...
Question submitted by a Mechanical Engineer
My question is whether or not I need to provide a ComCHECK report for a replacement air handling unit. I'm a Mechanical Engineer working on replacing (3) dual duct variable volume air handling units and (1) single duct variable air volume boxes for the Questar Gas...
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