PPORTUNITY

Welcome to    PPORTUNITY, a monthly newsletter provided by Jacco & Associates. Jacco’s focus on engineering and design concepts will improve your HVAC system while significantly reducing design time, making you more productive for your clients.

Question:    A perimeter Passive Chilled Beam System was installed in conjunction with an UFAD system at Fidelity Investments in Covington, KY.  What was the energy savings in the first year?

                   a.) 30%      b.) 40%      c.) 50%     d.) 60%

Prize:         Cleveland Browns Tailgate Toss Bean Bag Game!

Respond by September 15^th with the correct answer to be entered in the raffle for this month’s prize!

Question:  Aaon will provide you with the lowest defrost cycle time due to what design component?

Answer:    f.) Digital Scroll Compressor.  Congratulations to Dave Parsons for winning a Magellan GPS!

 61 Milford Dr.  Hudson, OH  44236  Phone:(330) 463-0100  Fax:(330) 463-0101

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Questions or comments? E-mail us at opportunity@jacco.com

Underfloor Air Distribution &

Passive Chilled Beams

The combination of an Underfloor Air Distribution (UFAD) system and Passive Chilled Beams can make an extremely          desirable HVAC system for an owner and it’s building’s occupants.  While UFAD provides an economical and versatile HVAC system, it usually falls short around the perimeter of the building.  Part is due to skin loading.  Part is due to the heat gain as cold air travels to the perimeter and gains heat from the building slab.  This heat gain usually overcomes the systems ability to cool on the perimeter, either causing an uncomfortable building or rising energy costs.  This can be addressed comfortably and economically with a Passive Chilled Beam system on the perimeter.  Passive chilled beams do not require any additional    ductwork, and provide a simple means to get perimeter cooling, and providing it through natural convection.  Add a perimeter hot water radiant system and you have perfect comfort year round.

Check out the ASHRAE article on a Passive Chilled Beam System installed at Fidelity at www.jacco.com under the Publications & Media tab!