Category Measure Minimum Efficiency / Certification Requirements

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1 ENERGYSMART and DENVER ENERGY CHALLENGE RESIDENTIAL LOAN ELIGIBLE MEASURES s! Please check to ensure you are using the most up to date version of the EnergyLoans eligible measures and contractor requirements list. Category Measure Minimum Efficiency / EnergySmart/Denver Energy Challenge Home Energy Assessment The EnergySmart Home Energy Assessment service for $135, or the Denver Energy Challenge Home Energy Assessment service for $ Please note that this is the only "Retroactive" loan we can make (Elevations will "reiumburse", using the loan, customers who have paid for our assessment service, if it's part of additional eligible measures). Must be scheduled by ES/DEC program staff Non-ES/DEC Energy Audit Must include at least a blower door and IR test result. Performed by a Building Performance Institute (BPI) energy auditor In-home energy monitor Home Energy Rating Index (HERS model) Ex. The Energy Detective, Tendril or other fixed in-home device. Home energy rating and modeling Installed to manufacturer's specifications, which may include a licensed and insured electrician and/or company trained technician. Performed by a RESNET- Home Energy Rater 6/3/2013 Page 1 Residential Loan Eligible Measures with Cert Req 5_16_13

2 Category Measure Minimum Efficiency / Professionally Applied Air Sealing (No DIY) Air infiltration levels must be measured by a blower door before & after improvements. Mechanical ventilation must be recommended if air changes / hour are below 0.35 NACH. Performed at least to minumum jurisdictional code requirements. Duct Insulation R-8 minimum, in unconditioned space only Insulation and Air Sealing Duct Repair/Sealing Must use duct mastic or aluminized tape. Must be completed to local jurisdictional code requirements. Whole House Fan Fan should have a self-sealing mechanism that seals unit when not in use. Ceiling/Attic Insulation R-49 minimum required in open attic; cathedral ceilings will vary with rafter depth. Must perform air sealing in attics prior to adding insulation. 6/3/2013 Page 2 Residential Loan Eligible Measures with Cert Req 5_16_13

3 Category Measure Minimum Efficiency / Wall Insulation Must Fill Cavity. Foundation (Crawl Space or Basement) Insulation & Air Sealing Crawlspace as outlined in the 2012 IECC. R-15 continuous or R- 19 Cavity insulation with a vapor-permeable air barrier over insulation. Crawlspaces must have sealed vapor barrier over dirt crawl space floor and ventilation, per 2012 IRC. Sub-Floor or Frame Floor Insulation Perimeter Insulation, Slab-on- Grade foundations R-30 minimum, over unconditioned space only (i.e., cantilevers, floors over unconditioned crawl, over garage, etc.). Fill enclosed floor cavities when R-30 is not possible. As per 2012 IECC R-10 minimum. Must extend to entire perimeter of any exposed slab(s). As per 2012 IECC Water Heating Energy Star Electric Heat Pump Energy Star Gas Water Heater Eligible only if replacing an existing electric storage tank water heater (not electric replacing gas). Energy Factor Includes all gas condensing and On-Demand gas tankless systems. 6/3/2013 Page 3 Residential Loan Eligible Measures with Cert Req 5_16_13

4 Category Measure Minimum Efficiency / Gas Boiler Replacement AFUE 85%, must be sealed combustion. Gas Furnace Replacement Pellet Stove/ High Efficiency Wood Stove AFUE 92%, must be sealed combustion. Must be EPA ; at least 72% efficient (wood) or 78% efficient (pellet). Only upgrades to a more efficient model; no new installations unless home uses electric heat. Energy Trade must Partner be High Efficiency Fireplace & Fireplace Inserts Minimum efficiency 75%. Only retrofits of existing fireplaces; no newly installed or constructed fireplaces. EPA Certified Space Heating and Cooling Solar Hot Water Energy Star Air or Ground Source Heat Pump Whole House Fan Solar Thermal Space Heating Whole House Evaporative Cooler EnergyStar Central Air Conditioner Replacement Radiant heating and cooling (floor, wall, and ceiling) Solar Thermal Water Heating Solar Thermal Recommissioning Air Source: minimum 8.0 HSPF/ 14 SEER Ground Source: Energy Star-qualified. Closed loop systems only. Must be 5.5 tons or smaller. Fan must have an automated, insulated air sealing mechanism that engages when the fan is off (i.e., doors or damper mechanism, etc). Only for homes with existing AC. Must have controls (thermostat or timer, multi-speed). Fan opening must be properly insulated and sealed in winter. For use with hydronic (boiler) systems. 20KW maximum size. SRCC rated. Must cool the entire house, not just a single room. Must be permanantly installed (no portable units) SEER/12 EER minimum. Requires recycling of existing unit with supporting documentation, where applicable. Window (single room) units do not qualify. Radiant systems must be powered by a heat pump, efficient gas boiler, or solar system. SRCC rated. Must be 20kW or smaller. SRCC rated.. must be licensed and insured Energy Must be Trade in DEC/ES Partner Energy Must be Trade NABCEP Partner 6/3/2013 Page 4 Residential Loan Eligible Measures with Cert Req 5_16_13

5 Category Measure Minimum Efficiency / Exterior windows and glass doors For existing building shell only (no additions or new construction). Windows or doors only. U Value:.30, Low-E glass Windows, Doors and Skylights Insulated Exterior Doors Windw Restoration Storm Windows R-6.5 minimum fiberglass doors only with weather-stripping and threshold. Any glass must be double-paned, Low-E, and tempered. Meets IECC in combination with the exterior window over which it is installed, for the applicable climate zone. On existing building shell only (no additions or new construction) Insulating Shutters Solar Light Tube Energy Star qualified, U-factor:.55 Reflective Roof Metal Roofing Only Class A fire resistant Solar PV Rooftop System 15% projected energy savings with energy efficiency upgrades must first be achieved before being eligible for loan. Ground mounted systems must be 60kw or under. Roof mounted systems must be "appropriately sized". Up-front costs associated with solar leases, PPA's and other financing options are eligible. Geothermal Ground Mounted Closed Loop Systems 15% projected energy savings with energy efficiency upgrades must first be achieved through EnergySmart participation before being eligible for a PV loan. These guidelines apply to Solar Gardens subscriptions as well. For Heating/Cooling. System must be 60kw or under. Geothermal Electric is not eligible. Biomass Biomass Heating System 3MMBtu/hour or smaller. Energy Star Clothes Washer Energy Star models only, but recommend CEE Tier 3 (Modified Energy Factor 2.40 & Water Factor 4.0) See Energy Advisor for list. EnergyStar Appliances Energy Star Refrigerator Energy Star Freezer Replacement of existing unit only; requires recycling of existing unit with supporting documentation. Eligible units must be between cubic feet. Replacement of existing unit only; requires recycling of existing unit with supporting documentation. 6/3/2013 Page 5 Residential Loan Eligible Measures with Cert Req 5_16_13

6 Category EnergyStar Measure Minimum Efficiency / Appliances Energy Star Dishwasher Energy Star models only, but recommend CEE Tier 2 ( 295 kwh/yr & 4.25 gal/cycle). See Energy Advisor for list. 6/3/2013 Page 6 Residential Loan Eligible Measures with Cert Req 5_16_13