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Greenheck - Code-Compliant-Verified - The Verified Difference - The latest IECC 2021 Building codes require testing of all installed ventilation at inspection, will the fans you are installing pass? As more and more states and municipalities adopt the 2018 and 2021 IECC Building standards you need to know the ventilation systems you are installing will both meet code and pass the HERs inspections. It helps to know the fans you purchase from us have been both tested and verified to perform both before and after installation.

Fact: 2/3 of Installed Residential Ventilation Systems Fail to Meet Code

Did you Know?

A recent study by the DOE's Building America Program found that 67% of the ventilation systems evaluated, did not come close to meeting code.

It is a Costly Problem

Failing to meet code isn't just a technicality, inadequate ventilation can really cost you! It's a potential risk of mold and moisture issues, costly callbacks, tarnished reputation and denial of rebates.

We Have the Solution!

The Greenheck "Verified" Difference

Know Your Minimum Airflow Before Installation and Inspection

Certified Airflow Means Certified Peace of Mind All Greenheck Specification-Grade Fans are tested in our AMCA Certified Testing facility at 0.4 in. wg. and above. You deserve to know the fans you are installing will both meet and pass code inspection once installed. Click here to see a video demonstrating why this should matter to you.
	Third Party Tested Under Real World Pressure Real world installations with a 90 degree elbow and vent termination measure 0.4 in. wg. and above, with flex duct static pressure is even higher. Greenheck MASTERSpec and MULTISpec are the only Specification-Grade Residential Fans HVI Certificatied Up to 0.6 in. wg. - No one else in the industry tests their ventilation fans or passes over 0.375 in. wg. Want to view the HVI results for yourself? Click Here Want to know what kind of pressure your installation design measures? Try the Greenheck eCaps Application Suite
Know Your Minimum Airflow Before Installation & Inspection Greenhecks E-Caps Application Suite allows you to build and measure your designed installation and calculate what your resulting airflow will be before installation. An industry exclusive program that is straightforward and can even produce a report of expected installation outcome. Click here to access the eCaps Application Suite
	Measure the Actual Airflow of your ERV No algorithm that calculates the airflow, achieve a true balanced system with the touch of a button. Continuous motor speed adjustment to maintain user designed airflow (CFM). Auto Balance indicator shows when the unit is actively controlling motor speeds, airflow is continuously measured. All the features required for on demand control strategies to maximize comfort and energy savings.
Handle the Pressure with Constant CFM Technology All Greenheck MASTERSpec and MULTISpec Specification-Grade ventilation fans incorporate powerful and yet very quiet EC motor technology. The Constant CFM adaptive, variable speed technology is programmed to overcome the static pressure associated with common residential installation scenarios (0.4 in. wg. and above). The motor reacts to increased static pressure by increasing the speed to ensure you have the airflow required to remove unhealthy air and moisture. Watch this demonstration video of the Constant CFM difference.

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