Upload
alexandra-roche
View
218
Download
1
Tags:
Embed Size (px)
Citation preview
Stewardship is Green
Dr. Alan Hoback, PE
Rev. Steven Archer
OutlineOutline
Welcome and OverviewPerspectives on the EnvironmentEnergy ImprovementsWork Session
PresentersPresentersDr. Alan Hoback, PE
Director of Architectural Engineering at UDMUniversity of Detroit Mercy: a Catholic Inst.Architectural Engineering: building energy systems
Rev. Steven ArcherTrinity St. Mark’s United Church of ChristSouthwest Detroit Neighborhood
Overview of Trinity St. Mark’s Overview of Trinity St. Mark’s UCCUCC
Urban Southwest Detroit
Booming middle class neighborhoods in early 1900’s
Work done at TSMUCC Work done at TSMUCC 2008 2008 Electric:
Update tube lightingReplace incandescent bulbs with CFL’sExit signs
Heat:Eliminate draftsSupplemental heat system
Utilities Expenses¼ savings in heat and eletrical
Work still to be doneWork still to be doneElectrical: Replace dimming
bulbs in large fixtures.Supplement insulation in attic
and office.Parsonage
OutlineOutline
Welcome and OverviewPerspectives on the Environment
Energy ImprovementsWork Session
Perspectives on the Perspectives on the EnvironmentEnvironmentEngaging the CongregationUrban ContextMaking the Problem LocalMaking the Problem Global
Making the Problem LocalMaking the Problem LocalProblem is too big for most
people.Break it down to the village.
Urban ContextUrban Context
tennessee.gov
HealthHealth6,000 deaths in Ontario from
Asthma caused by US smog.
Ontario CAN◦13 M people◦Of 92,000 total deaths per year.
Making the Problem Making the Problem GlobalGlobalWhy?
How?
Glaciers
Glacier runoff year-round
Causes productive ecosystems that would otherwise be less productive.
Glaciers Ecosystems
Abundant Ecosystems cause high density of population.
1/3 of world population!
Glaciers Ecosystems Population.
Glaciers Ecosystems Population.
Global Climate change is partial cause of the glaciers melting.
No longer a year long supply of water.
Glaciers Ecosystems Population.
What is going to happen to 1/3 of the world population?
That’s why
The world is one living organism.
•All organisms share the same DNA structure. We are the same organism just divided, changed, and recombined.
Making Global RelevantMaking Global RelevantAfrican American High School
Students
America.gov
Engaging the Engaging the congregationcongregationGeneration Y
Start small?
Sewing a seed
Starting smallStarting smallforms
Recycling / CompostingRecycling / CompostingTrash trucks get 2 mpg.1.5 lbs of air pollution (smoke &
carbon monoxide & carbon dioxide) to haul away and bury 1.0 lbs of trash.
No immediate economic payback to congregation, unless you pay for trash by weight.
OutlineOutline
Welcome and OverviewPerspectives on the EnvironmentEnergy Improvements -strategies -specific improvements
Work Session
Outline-Energy Outline-Energy ImprovementsImprovementsUnique strategies.Finding technical advice and labor.Paying for it.Improvements:Electrical improvements.Heating & A/C improvements.Water.Misc.
Unique StrategiesUnique StrategiesVariation in use patterns.
Sanctuary use. Office use.
Climate regionsBuilding age
Avoiding MistakesAvoiding MistakesInsulating the wrong way can
cause mold growth.Putting in the wrong product can
cost you more.Look past product claims that
“may save up to 50%.”Environmental Problems: Radon
RadonRadon
Finding technical advice and Finding technical advice and laborlabor
Energy Audits ($100-200)Energy ConsultantsVolunteers / DIY
Paying for itPaying for it“Pay back”
simple analysis, example:
TSMUCC $6,000 lighting upgrades 2008
Net savings $1,260 / yrCash flow
$6k
’08 ‘09 ‘10 ‘11 ‘12 ‘13 ‘14 ‘15
$1.2kPaid off in ‘12
ExampleExampleHeating Season
Outlay Effect on energy bills
Running Total
2011-2012 $4,000 cost
$10,000 savings
Net $6,000
2012-2013 0 $10,000 savings
Total: $16,000
2013-2014 0 $10,000 savings
Total: $26,000
2014-2015 0 $10,000 savings
Total: $36,000
Paying for itPaying for itLoansPrivate consultants
$6k
$1.2k
Cash flow
debt
Strategies for Paying for itStrategies for Paying for itGrantsDeep pocketsReinvestment of savingsRising costs
$6k
OutlineOutline
Welcome and OverviewPerspectives on the EnvironmentEnergy Improvements
-strategies -specific improvements
Work Session
Electrical ImprovementsElectrical ImprovementsInterior LightingExterior LightingAir ConditioningAppliances
Variability in ratesVariability in rates
In Michigan each watt continuously running is $1 per year.
Interior LightingInterior LightingChurch lighting atmosphere:
◦Light color and focus.
Interior LightingInterior LightingCompact Fluorescent Light bulbs
(CFL)
www.doe.gov
Paying for:
In the right fixture:
CFL IssuesCFL IssuesProper disposalLast 4X incandescentEnergy Star & Power ratioCircuit stabilitySpecial dimmer switchesWarm up & Loss of brightnessQuick StartCold Cathode (dimmable, instant
on, cold climate)
Tube LightingTube LightingOld Magnetic BallastsEfficient electronic ballasts (25%)Light levelsEnergy Consultants vs.
Volunteers
www.cpsc.gov
Light LevelsLight LevelsADEQUATE LIGHT LEVELS FOR YOUR WORKING OR AT YOUR WORK AREAS
FT-CANDLE(lx)LOCATIONS 1,000
500
300
200
150
100 75 50 30 20 15 10 7.5 5 3 2
FACTORY
ELECTRONIC PARTS ASSEMBLY LINE
DRAFTING
TYPESETTING AT PRINTING SHOP
INSPECTION WORK
VISUAL WORK AT PRODUCTION LINE
PACKING WORK
EXIT
ENTRANCE
PASSAGE
INDOOR EMERGENCY STAIRS
WAREHOUSE
LOADING OR UNLOADING WORK
OFFICE
TYPING
DRAFTING
CLERICAL WORK
CONFERENCE ROOM
DINNIG ROOM
RECEPTION ROOM
READING
HALLWAYS
STAIRS
ENTRANCE
WARE-HOUSE
AUDITORIUM
INDOOR EMERGENCY STAIRS
HOUSE
SEWING READING
STUDY
KITCHEN
MAKE-UP
GROOM-ING
DINNING TABLE
RECREA-TIONAL ACTIVITIES
WASHING
LAVATORY
STORE
FOREFRONT OF SHOW WINDOW
SHOW WINDOW
PACKING TABLE
ELEVATOR
DISPLAY STAND
RECEP-TION ROOM
CORRIDOR
STAIRS
INDOORS PARKING
HOSPITAL
EYE INS-PECTION OPERATING ROOM
EMERGENCY TREATMENT
MEDICAL EXAMINATION ROOM
DINNING ROOM
WAITING ROOM
SICK ROOM
WARE-HOUSE
STAIRS
EMERGENCY STAIRS
SCHOOL
DRAFTING ROOM
LABORATORY
LIBRARY
CLASS ROOM INDOOR GYMNASIUM GENERAL
AUDITORIUM
WASH ROOM
EMERGENCY STAIRS
BASKET BALL
RESTAURANT
SHOW WINDOW
COOKING ROOM
DINNING TABLE
ENTRANCE
WASH ROOM
CORRIDOR
STAIRS
BARBERBEAUTYPARLOR
HAIR DYEING
MAKE UP
HAIR DRESSING
SHAVING
HAIR WASHING
DRESSING
COMPUTER LAB
READING MONITOR
KEYBOARD
SensorsSensorsOn tubes or CFLs
One Exterior lighting
Exit signsExit signs
Incandescent yearly electrical cost: $50 - 100
/fixture 1 or 2 bulbs
Fluorescent: $14 - 30
LED $ 1 - 2
replacement: $17 + labor
EXIT
Exterior LightsExterior LightsCFL (need
many)
High Intensity Discharge
LED ($$$)Sensors?
Air-conditioningAir-conditioningWindow and Central UnitsEfficiency is SEER (Seasonal
Energy Efficiency Ratio)Knowing energy consumption,
you could find potential savings from upgrading to newer units.
See similar points in Heating discussion.
ShadingShading
torontohistory.org
AppliancesAppliancesRefrigerators
How much electricity does it use?
Watt Meter~$25
Appliances - otherAppliances - otherMost used for very short timeContinuously running appliances:
Refrigerators 16 cu. Ft 725 W (when compressor on)
Dorm sized 100 W
Clock radio = 10 WFans
Ceiling = 65–175 WWindow = 55–250 WFurnace = 750 WWhole house = 240–750 W
VCR / DVD Player on / off 20 W / 5WPersonal computer
CPU - awake / asleep = 270 / 60 W or less
Laptop = 50 W
Heat (and A/C)Heat (and A/C)DraftsProgrammable ThermostatsInsulatingZoningSupplementary Heat SystemsReplacement furnace (high
efficiency or geothermal)
DraftsDrafts
Trinity St. Mark’s UCCCaulkingVents:
Replacement WindowsReplacement WindowsIf very drafty:
pay back in 4-8 years.
If aluminum frame: (single pane or older double pane.)
pay back in 10-20 years.
Or Window Film could save ~18% energy
WindowsWindowsLead
Outer protective windows.
Draft sealing: CostsDraft sealing: CostsProfessionals:
About $300Volunteers: less than $100 in materials
Savings: 5-25% of heating & cooling costs.
InsulatingInsulatingIce dams
www.noaa.gov
InsulatingInsulatingCost:
$0.50 / sq. ft. (w/ volunteer labor)$1.00 / sq. ft. (professional)
Savings:Air conditioning load reduced or comfort improved
Heat: Payback ~2 years depending on climate zone and current insulation.
Instrumentation & Instrumentation & ControlsControlsProgrammable ThermostatsZoning
Use PatternsUse PatternsProgrammable Thermostats:Can control days by day and hour by
hr.If building is unoccupied during
night:Turn back at night by 10-15 degrees.Savings: 10%
If building is unoccupied during week:Savings: 20-30%
Use PatternsUse Patterns
Zoning:Controls split forced air or steam
to needed areas only.
Sanctuary55o M-S
Office and classrooms 68-70o M-S
Sanctuary72o Su
Office and classrooms 72o Su
ZoningZoningCosts:
$2,000-$5,000 per building.Savings:
Up to 30% based on portion of building zoned.
Use patternsUse patternsTrinity Saint Mark’s UCC
Trinity St. Mark’s UCCTrinity St. Mark’s UCC
Pipe Organ. Constant 68o
Sanctuary70o Su and events
Office and meeting. 68o M-Su daytime
Fellowship Hall. (Secondary users)68o M-S daytime
Supplementary Heat Supplementary Heat SystemSystemSecondary furnace.Ties to existing exhaust.Independent boiler system.
Longer payback.
Updating FurnaceUpdating FurnaceHigh Efficiency Furnace installed:
$20,000-$100,000Up to 50% improvement in heating
costs.
Geothermal Heat Pump (similar $’s)
works best in saturated soils or ponds
WaterWaterHot waterWatering Lawn
Hot WaterHot WaterBuilding use 2
hours?
On-demand warms as needed.
Satellite on-demand systems.
Kitchen and baths
Bathroom
bathroom
Water Shortages / Price Water Shortages / Price increaseincrease
Lawn & Garden WateringLawn & Garden WateringNative Species
Rain Sensors
Misc. –Energy Misc. –Energy ImprovementsImprovementsRenewable Energy
New Construction
Renewable EnergyRenewable EnergyWindmillsPhotovoltaic SolarHot water Solar
WindmillsWindmills$8,000-$20,00012+ year payback (in white)8 years in orange
Photovoltaic SolarPhotovoltaic Solar$16,000+
Hot water solarHot water solarSupplement water heater.
Store heat until winter.
New ConstructionNew ConstructionLeadership in Energy &
Environmental Design. (LEED)Silver, Gold, Platinum ratings
Get points for Energy and Environment(Internal environment: air quality)(External environment: impact on nature.)
OutlineOutline
Welcome and OverviewPerspectives on the EnvironmentEnergy ImprovementsWork Session
Work SessionWork SessionPrioritizing based on unique
situation
Your unique situationYour unique situation
See provided sheet.
Building use
Climate
High wind or solar region?
Find the billsFind the billsWhat is the annual heating cost
and all-inclusive rate? (by month)
What is the annual electrical cost and all-inclusive rate? (by month)
What is the annual water & sewer cost and all-inclusive rate? (by month)
See also: Light bulb See also: Light bulb programprogramSample sheet created couple
years ago. Costs and savings have both likely gone up.
Use for your church buildings or for home use.
Solar RegionsSolar Regions
Wind RegionsWind Regions
Electrical RatesElectrical Rates
Climate RegionsClimate Regions
www.energycodes.gov
Water shortage areasWater shortage areas