air balance inc. abi Mr. Greg Crosby: VP of Sales & Marketing Mr. Ken Wahlers: VP of Manufacturing

abi “The Silent Killer” An inefficient Duct System Design

The Hidden Cost of Static Pressure Loss in Todays Buildings air balance inc.

 Static Pressure drop is the “Silent Killer” in efficient dust system design. efficient dust system design.  Higher pressure drop equates to greater fan horsepower, higher initial cost and greater energy horsepower, higher initial cost and greater energy consumption for the entire live of the building consumption for the entire live of the building  Dampers with greater free area have lower pressure drop and reduced energy cost. pressure drop and reduced energy cost. air balance inc.

 Air Balance FR fire smoke dampers and SR smoke dampers offer the lowest pressure drop in the dampers offer the lowest pressure drop in the industry. industry.  Licensed to bear the UL Label, the FR and SR are fully tested to applicable UL test standards 555 fully tested to applicable UL test standards 555 and 555S. and 555S.  Performance you can count on. FR and SR dampers are independently tested for air dampers are independently tested for air performance and licensed to bear the Air performance and licensed to bear the Air Movement and Control Association’s label Movement and Control Association’s label under their Certified Ratings Program. under their Certified Ratings Program. air balance inc.

Air Balance Model FR & ST Mini Fire/Smoke & Smoke Dampers Offering Greater Free Area & Lower Pressure Drop air balance inc.

Standard Fire/Smoke & Smoke Damper Constructions air balance inc.

FR/SR series dampers offer up to 70% greater free area than traditional dampers depending on size and reduce static pressure drop significantly. air balance inc.

 91 Percent of all fire/smoke and smoke dampers installed in the United States are 24” x 24” or installed in the United States are 24” x 24” or smaller based on historical averages. 24” x 24” is smaller based on historical averages. 24” x 24” is the maximum UL approved size for a FR or SR the maximum UL approved size for a FR or SR Series Damper. Series Damper.  Our Average order for fire/smoke or smoke dampers installed in the United States is 78.4 dampers for installed in the United States is 78.4 dampers for use in commercial structures. use in commercial structures. air balance inc.

The Annual Operating Cost (AOC) of any device installed in a duct system can be calculated using the industry accepted formula below: AOC = ($ / kwh)(cfm)(TFDP)(0.746 kw / hp) (hrs) (6350)(Nf)(Nm) Where, $ / kwh = Average Electrical Energy Cost = 0.10 cfm = Airflow Through Fitting in Cubic Feet per Minute = 2000 TFPD = Total Fitting Pressure Drop (Pressure Drop Saving in this Example) = Nf = Fan Efficiency = 0.7 Nm = Motor Efficiency = 0.9 hrs = 8,760.  The formula for AOC is a generally accepted formula in the industry.  The values inserted into the formula were selected based on typical design parameters. air balance inc.

Using a 12” x 12” damper as an example, and taking the pressure drop information from the comparison chart and using $.10 cost per kilowatt hour the annual cost savings for the FR/SR compared to the traditional damper is calculated as follows: AOC = (0.1)(cfm)(in. wg)(0.746)(876) = $0.163 / cfm / in. wg (6350)(0.7)(0.9) Annual Operating Cost Savings = (0.163)(2000)(0.375) = $ air balance inc.

And the very best part is that these savings are free! The FR/SR is the same cost as a traditional Fire/Smoke damper The AOC formula assumes building operation 24/7 which is unlikely in todays business climate, so lets assume that the average facility operates at 50 % of that.  The cost savings per damper would be: $  Using the average order size of 78 dampers per commercial facility, the annual cost savings using the FR is: $  Given a thirty year life, the total savings over the life of the building is: $ 143, air balance inc.

 Air Balance invented the curtain fire only damper.  Air Balance introduced the first commercially available combination fire/smoke damper combination fire/smoke damper  At Air Balance we continue to pioneer new and innovative products to reduce installation and innovative products to reduce installation and operational cost whether it is for Fire/Smoke damper operational cost whether it is for Fire/Smoke damper products like the FR/SR or whether it is for our new products like the FR/SR or whether it is for our new high performance louver, or whether it is for our high performance louver, or whether it is for our custom designed product group for Data Center Projects. custom designed product group for Data Center Projects.  Our Sales and Engineering staffs are standing by to assist you with a custom solution for your facility needs! you with a custom solution for your facility needs! air balance inc.