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Joe Hullebusch

Explaining Air Leakage

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What is VAV in HVAC?

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What is Air Throw?

The air throw value is the velocity measurement of how well the air shifts from the vent or diffuser to the rest of the area/room it is heating or...

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Air Distribution

The sole purpose of an HVAC (heating, ventilation, & air conditioning) system, air distribution -- also known as room air distribution -- is how air...

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What is a Subfloor?

The subfloor is the layer above the joist, but below the underlayment (which is the layer below the surface). The purpose of the subfloor is to...

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2 min read

The Volatile Organic Compounds List All Building Managers Need to See

The Environmental Protection Agency (EPA) states the concentration of organic pollutants is 2 to 5 times higher indoors than it is outdoors.

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2 min read

What is an HVAC Scope of Work Document, And Why Does it Matter?

Be it installing a new HVAC (heating, ventilation, and air conditioning) system or repairing an existing one, the first step before proceeding with...

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3 min read

What is the Proper Tons Per Square Foot for Commercial HVAC Systems?

You’ve been asked to design a new commercial building and you need to calculate its heating and cooling needs.

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2 min read

What's the Difference Between FCU vs AHU?

In simple terms, an air handling unit (AHU) is a component of an HVAC system that cools and distributes air into the space through a duct.

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2 min read

Is an HVAC Design Certification Worth It?

You’ve earned a college degree in mechanical, electrical, and plumbing (MEP) engineering and now feel ready to embark on your new career. But an MEP...

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