Green Needham

1. Green Needham Home Energy Efficiency

2. Quick Overview • Assess the efficiency weakness of your home • Energy Audit • Tighten the building envelope • Air Seal • Insulate • Attic, Walls, Basement • Upgrade • High efficiency systems • Finance • Affordable solutions

3. Have Your Home Assessed • Energy Audit : • a comprehensive diagnosis of how a home performs. • Understand how a house works as a system • Get a map of the key areas in your home that may need improvement • Receive suggestions on how to improve the things in your home that will have an effect on your home’s efficiency

4. How to get an audit done and what to expect • Services vary • MassSave – Utility Program • Free; no diagnostic; CFL’s • Private Services - • Prices range and services vary • Blower Door; Infrared; Work Performed; Detailed Report • Can be eligible for 75% rebate from your gas utility

5. Health & Safety • Any assessment should start by looking for issues that could be exacerbated by sealing up a house • Carbon Monoxide • Moisture/Mold • Asbestos • Ventilation • Attic and bath

6. Identifying the Issues • Depressurize the house with the blower door • Exaggerates the weaknesses

7. Other Issues: Electric Usage • CFL’s • Replacing five 60-watt bulbs used for 5 hours a day can save $72/year in MA • Uses 75% less energy • Lasts 6-10 times longer than incandescent light bulbs

8. Other Issues:Water Usage • Showers • Low flow shower heads • Technology is better • Faucets • Aerators • Decrease water used • Decrease fuel consumed to heat water

9. Other Energy Considerations • Refrigerators • Re-assess need for 2nd refrigerators and freezers. Unplug when not needed. They often cost upwards of $75-$350/year to run. • Washers & Dryers • 5.8% of residential electricity goes toward drying clothes • Front-loading washers use 40-75% less water and 30-85% less energy than typical top-loaders • Other Appliances • Energy Star

10. Cumulative Pricing • Comprehensive Energy Audit = $670 • After Possible rebate ($167.50)

11. Stack Effect & Sealing Priorities • Attic • Heat rises through penetrations, top plates, and recessed lights • Basement • As air flows up, air is pulled in through penetrations in • Living Space • Obvious gaps: door and windows

12. Solutions: Air Sealing • Air Sealing • Prevent air flow into and out of your home • Attic, Basement, Living Space, Ducts

13. Cumulative Pricing • Comprehensive Energy Audit = $670 • After Possible rebate ($167.50) • Attic & Basement air Sealing = $1200 • After Possible rebate ($300.00)

14. Solutions: Insualtion • Insulation • Only after air sealing • Improve existing or install • Cellulose, Foam, Batt • Retro-fit can pose problems • Knob & Tube, Vermiculite, existing insulation in walls

15. Cumulative Pricing* • Comprehensive Energy Audit = $670 • After Possible rebate ($167.50) • Attic & Basement air Sealing = $1200 • After Possible rebate ($300.00) • Attic Cellulose = $1500 • Exterior Wall Cellulose = $2200 * Estimated cost is based on an average 2200 sqft home. Depending on circumstances prices may vary

16. Weatherization Rebates and Incentives • Gas Customers (Nstar & National Grid) • 75% up to $2000 Rebate • Electric Customers (Nstar & National Grid) • MassSave (must have non-comprehensive audit) 75% up to $2000 and Heat Loan • Federal Tax Credit • 30% up to $1500 on qualified weatherization materials. (labor not included)

17. Heating and Cooling • According to Energy Star, as much as half of a home’s energy use is on heating and cooling. • Energy Star recommends the following to save on your energy bills: • Change your filters regularly • Tune up your HVAC system annually • Install a programmable thermostat • Seal your heating and cooling ducts

18. Heating and Cooling • Energy Star recommendations (continued): • Properly size your equipment • Quality Installation Verification • Proper charge • Proper air flow • Consider replacing older systems with Energy Star rated equipment.

19. Systems Upgrades • Key triggers that may point to a necessary upgrade • Older than 20 years (heating) • Older than 15 years (air conditioning) • Older refrigerant • Low efficiency • Repair costs start to escalate

20. Cumulative Pricing* • Comprehensive Energy Audit = $670 • After Possible rebate ($167.50) • Attic & Basement air Sealing = $1200 • After Possible rebate ($300.00) • Attic Cellulose = $1500 • Exterior Wall Cellulose = $2200 • System Replacement = $11,000.00 • Total = $15,070.00 (not including rebates) * Estimated cost is based on an average 2200 sqft home. Depending on circumstances prices may vary

21. Oil system rebates • HW Boiler >85% $500 • Steam boiler >82% $300 • Forced hot air >83% $300 • Forced hot air >83% with ECM $400 • Indirect water heater $300 • Weather responsive kit $100 • Programmable thermostats $25

22. Gas system rebates • HW Boiler >95% $1,000 • Steam boiler >82% $200 • Forced hot air >92% $100 • Forced hot air >92% with ECM $400 • Indirect water heater $300 • Weather responsive kit $100 • Programmable thermostats $25

23. Air Conditioning system rebates • Cool Smart • 15 SEER/12.5 EER $600 • Early replacement $300 • Downsizing $250/half ton • Manufacturers • Range from $350 to $1,000

24. Federal Tax Credit • 30% tax credit up to $1,500 • Heating • HW Boiler >90% • Furnace >95% • Air Source Heat Pump 15 SEER/12.5 EER/ 8.5 HSPF • Cooling • Air Conditioning 16 SEER/13 EER • Insulation • Windows • Doors

25. Federal Tax Credit • 30% of cost, no cap • Geothermal Heat Pump • See energystar.gov for details • Solar • Hot Water • Photovoltaic electricity • Wind • Wind turbines under 100 kW

26. Financing • Dedham Bank info • Heat Loan • 0% loan for 5 years on heating equipment only