Sterling BEST SEALED®
Insulated HVAC
Register Boxes
HVAC DUCT SEALING IS VERY IMPORTANT!
In a typical houseabout 20% of the air that moves through the duct systems is lost due to leaks, holes,and poorly connected ducts
Source: 
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BENEFITS OF IMPROVED HVAC DUCTING:
COMFORT
Stuffy rooms? Rooms too hot or too cold? You probably have leaking ducts!
AIR QUALITY
Allergies? Asthma? Sealed ducts reduce the introduction of pollutants into your home!
SAVE MONEY
High energy bills? Leaking ducts significantly reduce the efficiency of your HVAC system
ENVIRONMENT
Reducing energy consumption at home reduces power plant emissions and helps to fight global warming!
HVAC DUCT SEALING SAVES HOMEOWNERS MONEY!
The amount of money that a homeowner could be saving in energy bills with properly sealed and insulated HVAC ducting.
Source: Pacific Northwest National Laboratory/U.S. Department of Energy Study
A California Energy Commission study showed that
the average cost of improving duct sealing and
upgrading to R-8 insulation on your HVAC
system is approximately $500
RETURN ON INVESTMENT
Sterling BEST SEALED® Register Box:
checks ALLthe Boxes!
ENERGY SAVING
Rigid PUR Insulation creates an airtight box and can be configured to provide R-6 or R-8 insulation
FIBER FREE
Elimination of fiberglass insulation from the airstream improves air quality
CODE APPROVED
Meets building code requirements for flame spread, smoke development and thermal insulation.
SAVES MONEY
Patented design reduces installation cost and saves the homeowner on energy costs.
Sterling BEST SEALED® Register Box :
Key Features that Pros Love and Make a Difference
Sterling BEST SEALED® Register Box :
Unique Features that Pros LOVE
Sterling BEST SEALED® Register Box Features
Key features:
- Building code approved for Type V Construction per
IAPMO UES ER-0448 Pre-insulated and sealed – no need to wrap with fiberglass or apply mastic to box seams
Boxes come configured with either R-6 or R-8 insulation
Insulation is fiber-free!
Made of zinc-coated 30GA galvanized steel
Also available with no collars or with side mounted collars
Patented box design has pre-punched nail holes on inner flange for easier install
Robust construction that prevents damage in shipment or during installation process
