House Calls Program

3 Goals:Save Money

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Improve the EnvironmentGreater Comfort and Health

Economic ImpactAverage annual operating costs

Heating & hot water

Electric

Water

OtherDebt service

Real estate tax

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Utilities19%

58%

24%

18%Labor

Council of New York Cooperatives & CondominiumsComparative Study of 2007 Average Operating Costs of 225 buildings in

outer boroughs

2005 NYC citywide CO2 emissions: (58 million metric tons)

- From PlaNYC-

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Environmental ImpactSources of CO2 emissions in New York City

Building Health and ComfortInefficient heating of apartments

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68º is the recommended indoor temperature in winterCourtesy of Power Concepts

Building Health and ComfortThe Stack Effect

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How do we get started?Taking Action:

What exactly can we do? How much is it going to cost?

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Self Audit and BenchmarkingDetermine and Compare Your Building’s Performance

Individual buildings

Individual buildings in single owner’s portfolio - 74 total buildings

• Average NYC building index: 15*

Heating index (Btu/ft2/HDD)

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Self Audit and BenchmarkingFuel Cost Discrepancy and Overspending

Energy & Water Consumption DataRecommended Measures

Cost/Benefit Analysis

Reduction Target

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Analyzing the Building’s SystemsGetting a professional energy audit

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Areas of ImprovementPer unit and building wide

- Heating and hot water

- Building Envelope

- Lighting/Appliances

- Ventilation and

infiltration

- Water Conservation- Indoor Air Quality- Waste/Recycling

- Management/Operations

- Adjusting Behavior

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THEN

ENERGY GENERATIONENERGY EFFICIENCY

Prioritizing ImprovementsMaximizing economic, environmental and health benefits

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Heating and hot water• Overheated apartments

• Not enough hot water on very cold days

• Showerheads with high water consumption

- Apartment temperature controls $20,000

- Replace with condensing gas boilers $105,000

- Showerheads and aerators (DHW) $510

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Case study - Affordable Housing59 units built in 1993 with hydronic baseboard heating

Ventilation and infiltration• Top floors over-ventilated, bottom

under-ventilated

• Belt driven rooftop fans exhausting air from kitchens

- Seal, clean ducts and balance air flow$78,400

- Replace rooftop fans for premium efficiency

$22,000

Case study - Affordable HousingContinued

TOTAL HARD COSTS $407,987

Projected annual energy savings: $50,000

Building envelope• Bad window balances, poor caulking -

> draft

• Regular complains about pest, rodents, etc…

- Replace windows $76,600

- Building air sealing $15,000

Lighting/Appliances• Lights are on 24/7

• Low efficiency refrigerators and washing machines

- More efficient lighting with occupancy controls$73,500

- Appliance replacement with Energy Star

$17,000

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Tax CreditsFederal, State and City

RebatesUtilities, NYSERDA

Loans and MortgagesPrivate, Government, EnergyStar

Financial Incentives

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Green philosophyPrinciples for improvement

Know your building and have a

plan - Measure, measure, measure!

- Things can break, be prepared.

- Do what’s effective, big or small.Grab the low hanging fruit

- Simple actions can have outsized impacts

- Efficiency first

- Use common sense!

There’s always something more to learn at

www.greenhomenyc.org

Thank you

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Follow up packet- Immediate Actions

- Incentives Sheet

- Greener Greater Buildings

- Further resources, with links