ENERGY STAR Multifamily High Rise Program

1. ENERGY STARMultifamily High Rise Program Testing and Verification Protocols Webinar – Part II August 2011

2. Testing and Verification Protocols • 1.0 Appliances • 2.0 Domestic Water Heating • 3.0 Envelope • 4.0 Garages • 5.0 Heating and Cooling

3. 1.1 ENERGY STAR Appliances • Sampling: • One representative photo of each appliance type, make and model

4. 2.0 & 5.0 DHW, Heating and Cooling Systems • DHW/Heating/Cooling Plant: System size, type, design, and rated efficiency, sizing calculations • Distribution System: Piping and/or ductwork configuration, mixing valves, zoning, insulation requirements • Controls: System controls and settings • Terminal Units (Heating & Cooling): Type, size, design, location, controls • Heat Rejection (Cooling): Type, size, location and efficiency • Sampling: • 100% of central primary equipment • RESNET for distributed systems, plumbing fixtures and delivery temperatures

5. 2.0 & 5.0 DHW, Heating and Cooling Systems Schedule: • Commissioning occurs throughout • Training occurs post QA and verification • GC to verify performance data before accepting deliveries • Minimum of one (1) on-site inspection, ASAP after installation Sample Gant Chart

6. 2.0 & 5.0 DHW, Heating and Cooling Systems Requirements for DHW, heating and cooling systems: • Verify size, type, design, controls & rated efficiencies • Size heating and cooling equipment using ACCA Manuals J, D & S • Cx agent or the responsible party may perform inspections • Provide Cx results via T&V Worksheets and the Photo Template • SSCs can be only be used with qualified 3rd parties Equipment Faceplate System controls & settings

7. 2.0 & 5.0 DHW, Heating and Cooling Systems Requirements for DHW, heating and cooling systems (cont’d): • Pipes 1.5” diameter or less have 1” insulation, pipes greater than 1.5” diameter have a minimum of 1.5” of insulation. • Location and configuration of combustion/intake air venting • Training & Operating Manuals Pipe Insulation Operating Manual

8. 2.0 Domestic Water Heating Requirements for domestic water heating systems: • Set to deliver temperatures within the 120-125°F range. • Mixing valve and temperature set point. (central systems) • Storage tank insulation (central systems) • Plumbing fixture flow rate (GPM), quantity and location Electronic Mixing Valve PlumbingFixtures

9. 5.0 All Heating and Cooling Systems Requirements for heating and cooling systems: • R-6 duct insulation in unconditioned space, R-8 for Prescriptive Path • Duct sealing details must go in CDs! Visual inspection • Flex duct must meet SMACNA standards (see Appendix C) • Non-continuous OA systems must have motorized damper Outdoor Air Damper

10. 5.0 All Heating and Cooling Systems Requirements for heating and cooling systems: • When applicable, obtain and keep the following information: • Field measured refrigerant charge • Field measured airflow over evaporator/condenser coil • Nameplate efficiency • Nameplate heat exchange capacity Air Flow Report

11. 5.1&5.2 Central Heating and Cooling Systems (5+ Units) Requirements for central heating and cooling systems: • Reverse return and/or sized based water velocity < than 4 ft/s • Size circulating pumps with Chapter 43 of ASHRAE or equivalent • Circulator pressure controls adjustments (optional) • Terminal equipment must be separated from riser/loop & shall be controlled by a thermostat within the same apartment Terminal devices and controls Reverse Return Piping

12. 5.1 Central Heating Systems (5+ Units) Requirements for central heating systems: • Proper installation of gauges, sensors and set points • Verify supply & delivery temperature • Return water temperature for condensing boiler systems • Outdoor reset, warm weather shut down, night setback • Supplemental heating in unconditioned spaces must be modeled Gauges and Sensors Outdoor Reset

13. 5.2 Central Cooling Systems (5+ Units) Requirements for central cooling systems: • Cooling tower fan motor must be equipped with VFD controlled by a temperature sensor on the condenser water supply pipe. Cooling Tower VFD Temperature Sensor

14. 5.3&5.4 Distributed (Individual Apt) Heating and Cooling Systems Requirements for distributed heating & cooling systems: • Design to ACCA Manuals J, D and S or equivalent procedure • ENERGY STAR Home Rater and Contractor HVAC Checklists (optional) • Verify bedrooms have been provided with pressure-balancing solution • Duct leakage testing Duct Leakage Testing

15. 5.3&5.4 Distributed (Individual Apt) Heating and Cooling Systems Heating and Cooling Duct Leakage Testing • Single point measurement with duct leakage tester • Leakage size is dependent on floor area • For in-unit systems total maximum duct leakage • ≤8 CFM25 per 100 ft2 of conditioned floor area for units smaller than 1200 ft2 • ≤6 CFM25 per 100 ft2 of conditioned floor area for units larger than 1200 ft2

16. 5.3 Distributed (Individual Apartment) Heating Systems Requirements for distributed heating systems: • Proper installation of gauges, sensors and set points • Outdoor reset, warm weather shut down, night setback Aquastat Night Setback

17. 5.4 Distributed (Individual Apartment) Cooling Systems Requirements for distributed cooling systems: • AC penetration must be sealed air-tight AND weather-tight A/C Sleeve Sealed at Façade A/C Sleeve Sealed at Structural Wall

18. 3.1 Wall Construction & Insulation • Sampling: • Each unique wall assembly – type, thickness, location, coverage, installation • Below grade walls • Above grade walls’ exterior insulation • Above grade walls’ interior insulation • 15% of each wall assembly RESNET Grade I insulation Image courtesy RESNET

19. 3.1 Wall Construction & Insulation Use the T&V worksheets to identify all layers of insulation during plan review and during your inspection in the field

20. 3.1 Wall Construction & InsulationBelow Grade Wall Insulation Insulation around corner Indicate thickness Assembly view

21. 3.1 Wall Construction & InsulationExterior Wall Insulation Insulation installed at adjacent building Exterior insulation assembly Photo with measuring tape indicating thickness

22. 3.1 Wall Construction & InsulationInterior Wall Insulation Batt insulation installed without compression or gaps; seams taped Mineral wool installed evenly without gaps

23. 3.2 Roof Construction & Insulation • Sampling: • Each roof assembly • At drains • At perimeter

24. 3.3 Floor Construction & Insulation • Sampling: • At least 15% of each unique floor assembly - insulation type, thickness, location, coverage, installation • Above unconditioned space • Below grade slab floor insulation • Slab-on-grade insulation

25. 3.4 Window Selection, U and SHGC • Sampling: • At least one of each different type of window installation and energy performance specification • All windows in a representative apartment from each type • Use low-e sensor

26. 3.4 Window Selection, U and SHGC Ample sealing around window frame NFRC label indicating SHGC, U-value, ENERGY STAR Air barrier wrapped inside rough opening

27. 3.5 Exterior Door Selection/Vestibules • Sampling: • 100% of entryways and vestibules • At least 50% of common exterior doors Vestibule installed per code Weatherstripping with rigid fastener and replaceable foam gasket

28. 4.1 Garage Heating & Air-Sealing • Sampling: • Not allowed • Inspect 100% of connections between the garage and conditioned space for air sealing • Inspect 100% of heating elements and controls Image courtesy PNNL & ORNL

29. The End Questions? Contact: MFHR@energystar.gov