NORIAN SIANI ENGINEERING, INC. Sergio F. Siani 43 Bradford Street, 3rd Floor Concord, MA 01742-2972 ph. 781 398 2250 x-117 fx. 781 398 2280 SergioS@NS-Engineering.com 43 Bradford Street, 3 rd Floor, MA 0742-2972 Tel: 781-398-2250 [WHAT WORKS & WHAT S NEW THAT WORKS] 10/23/2012 1
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65 Points required for Gold Certification in the USGBC, LEED-H New Construction Program ~70% of these points are from MEP 3
Before Retrofit Energy Cost = $437,000/yr Energy Cost = $ 2,428/Apt-yr Improved Thermal Envelope Convert from Electric to Gas Heat Energy Recovery Ventilator 2 Co-Gen Engines Photovoltaic s (PV) Added Air Conditioning After Retrofit Energy Cost = $263,000 Energy Cost = $ 1,461/Apt-yr 40% Savings!!! Lyndon B. Johnson Apartments 4
BLEEDING EDGE? or CUTTING EDGE! 5
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Know the Economics of your Local Utility/Fuel Costs and Different Seasonal System Efficiencies 7
Know the Economics of your Local Utility/Fuel Costs and Different Seasonal System Efficiencies 8
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Less than 1 Year Payback Easily Installed by Staff 0.5 GPM Lavatory Aerators 1.5 GPM Kitchen Aerator 1.5 GPM Showerheads Niagara Plumbing Products http://www.niagaraconservation.com 11
Dual Flush 1.28/0.8 GPF MaP 800 g Flush 0.8 GPF MaP 600 g Caroma - http://www.caromausa.com Profile Smart 305 Niagara - http://www.niagaraconservation.com Stealth 12
Indirect Fired DHW Generator for Central Systems Minimize Storage Volume Maximize Heat Exchange (1) 120 Gal Tank up to 40 Apts (2) 120 Gal Tanks up to 80 Apts Triangle Tube - Smart Series http://www.triangletube.com Individual Tankless DHW Tanks Quality Matters Efficiency 96% Rinnai - http://www.rinnai.us 13
Demand Control DHW Recirculation Systems http://www.enovativegroup.com Thermostatic Recirculation Valve http://www.circuitsolver.com 14
Variable Speed Pumping to match varying requirements, saves up to 50% of Power Consumption Multiple Pump Control Grundfos Hydro MPC - http://www.grundfos.com 15
Laundry Waste Heat Recovery Preheat Coldwater Paybacks as Rapid as 4 yrs Watercycle - http://www.watercycles.ca/ 16
Pipe Insulation Extended Valve-Stem for Insulating and Heat Loss Reduction Insulated Pipe Hangers Anvil International - http://www.anvilintl.com/ 17
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Condensing Boilers: Up to 5000 MBH Input 96% Efficiency Variable Output 100% -20% Stainless Steel Option for pool water heating Lochinvar - http://www.lochinvar.com 19
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Up to 98% AFUE Variable Speed Fan Multiple Zone Compatible ECM Motors Lennox - http://www.lennox.com 21
Varying Speed, Flow, or Temperature to Achieve Increased Efficiencies Johnson Controls http://www.johnsoncontrols.com Taco http://www.taco-hvac.com Modulating 2- Way Valves VFD s Outdoor Reset Control 22
Performance Depends on Climate COP s for Heating up to 4.7 Great for Retrofit Higher Material Cost & Lower Installation Cost Indoor Units Outdoor Units Mini-Splits Up to 30 Tons Up to 5 Tons Mitsubishi - http://www.mehvac.com/ Connects Up to 50 Indoor Units Connects up to 4 Indoor Units 23
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Cooling EER s up to 12.9 Great for Retrofit Higher Material Cost & Lower Installation Cost Outdoor Units Indoor Units Mini-Splits Up to 30 Tons Up to 5 Tons Mitsubishi - http://www.mehvac.com/ Connects Up to 50 Indoor Units Connects up to 4 Indoor Units 25
VFD s for Cooling Tower Fans http://spxcooling.com 26
Smardt Chiller http://www.smardt.com Magnetic Bearings 60 Tons 1,200 Tons Oil Free Compressor 27
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Adaptive Recovery (Not Static Schedule for Occupied/Unoccupied) Uses History of Past Performance and/or Future Outdoor Temperature to Optimize Advanced products provide WiFi Link & Advanced Weather Updating Nest http://www.nest.com Honeywell http://www.honeywell.com 29
Fixed Temperature Limits, Max & Min, Heat & Cool Customizable Temperature Difference Photo Detector Auto-Setback Photo Sensor Lightstat - http://www.lightstat.com 30
For More Complex Systems Reduced approach suitable for monitoring only what is desired (eg: Boilers) Expandable Web-Connected Used for Measurement & Verification (M&V) http://www.tridium.com 31
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Generate Thermal Energy & Power Simultaneously Cost Effective if: 100-120 Dwelling Units Large Enough Electric Load on Common Meter Central DHW System Heated Swimming Pools Help Improve Economics Efficiency up to 93.6% Tecogen - http://www.tecogen.com 33
Aspirating Air Collectors Preheat Outside Air for Ventilation Most Cost Effective Renewable Energy Option Independent of Rebates, SREC s, and Other Funding Matrix Air - http://www.matrixenergy.ca 34
Solar Aspirating Air Collector for Ventilation Outside Air Pre-Heat PV 2,500 ft 2 Collector Area 10,000 CFM 9 yr Payback Before Rebate & other Funding Assistance Solar Photovoltaic (PV) 35
Thank You for Understanding That Sustainable Design Can & Does Work for You Economically When Well Considered & Executed 36