The 2009 iecc energy code requiring duct testing is to become south carolina law starting jan 1 2013.
Duct blast testing near me.
A duct blaster can be connected to a residential duct system at a large return air grille or near the furnace.
The only time duct testing is required is when parts of the hvac system are outside of the conditioned envelope.
Once the duct system is pressurized it reveals any air leakage around the.
This includes areas like unconditioned attics garages and crawlspaces.
These tools can also measure airflow in building zones and ductwork performance.
Conducting a test determines if there are unsealed cracks resulting in air leakages that require immediate sealing.
Required 3rd party test for new homes and retrofits according to building codes in the state of illinois a duct pressure test must be performed if any portion of the hvac system is placed in unconditioned spaces such as an attic crawlspace or garage.
Available for pc ios and android.
Duct leakage test report.
I am touring the state with the training organization updating code inspectors and builders demonstrating use of the duct blaster assuring builders that the test is easy quick and cheap and pushing code inspectors to require 3rd party.
Testing ducts with a duct blaster.
Once the duct system has been pressurized or depressurized to 25 pascals the air flow of the fan gives an indication of the duct system s leakiness.
Minneapolis duct blaster system series b with dg 1000 pressure and flow gauge duct kit 001.
Compatible for both pressurization and depressurization testing.
If any supply or return duct chases flexible lines or air handler units are in these areas by iecc 2015 code a duct leakage test is required.
Quick and accurate air tightness measurements from 20 1 500 cfm.
The duct blaster is used to quantify the leakage rate of the duct system.
All of the registers and or supply grills are covered in order to create a closed loop in the system.
Testing procedures the duct blaster is connected to the return grill or air handler.
The lightweight duct blaster fan weighs just 7 pounds but delivers enough air flow an amazing 1 500 cfm to test the leakiest duct systems.
The development of the minneapolis duct blaster has revolutionized performance testing of forced air distribution systems for builders hvac contractors and utility dsm programs.
Learn the principles of duct leakage testing including how to set up operate and troubleshoot your equipment for code compliance.
The minneapolis duct blaster is a calibrated air flow.
Upon successful completion of this course technicians will receive retrotec s manufacturer s certificate which qualifies them to operate the retrotec duct testing system.
The most secure digital platform to get legally binding electronically signed documents in just a few seconds.
The fan is turned on to 25 pascals to balance the pressure in the duct system.