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Draft New Specifications
- Air Sealing - Specific Air Sealing (Integrated LED Retrofit Kit)
  General Pressure Boundary
- Heating & Cooling - Solid Fuel Heating (Wood or Pellet stove)
  Non-Distributed
- Air Sealing – General Air Sealing (Aerosolized Envelope Sealant)
  Proprietary Spray Sealant
- Insulation – Enclosed Walls (Extruded Polystyrene Retrofit Wall System)
  Walls
- Baseload – Renewable Energy (Roof Interconnected Photovoltaic)
  Electric Supply
Health & Safety
- Safety Devices
  Smoke Alarms
  Carbon Monoxide (CO) Alarms
  Water Heating
- Moisture
  Drainage
  Ground Vapor Retarders
  Space Conditioning
- Electrical
  High Voltage (50 volts or more)
- Radon
  Radon Precautionary Measures
  Radon Mitigation
Air Sealing
- General Pressure Boundary
  General Air Sealing
  Specific Air Sealing
  Intentional Attic Openings
  Foundation Spaces
  Attached Garages
- Shell Components
  Windows
  Doors
Insulation
- Attics
  Exterior Roof Insulation
  Interior Roof Insulation
  Attic Floors - Unconditioned Attics
  Attic Knee Walls
  Unique Installations
- Walls
  Accessible Walls
  Enclosed Walls
- Floors
  Accessible Floors
  Exposed Floors
  Unique Installations
- Conditioned Subspaces
  Rim/Band Joist
  Walls
  Slabs
Heating & Cooling
- Forced Air
  Controls
  Condensate
  Refrigerant Loop
  Duct Installation
  Duct Repair
  Duct Sealing
  Duct Insulation
  Equipment Installation
  Clean & Tune
  Special Considerations
- Hydronic
  Controls
  Distribution
  Equipment Installation
  Clean & Tune
  Special Considerations
- Non-Distributed
  Room Conditioning
- Solar Gain Reduction
  Landscaping
  Reflective Roofs
- Combustion Safety
  Combustion Appliance Zones
  Combustion Air
  Appliance Venting
  Fuel Delivery
- Special Considerations
  Equipment Removal
Ventilation
- Infrastructure
  Components
- Local Ventilation
  Exhaust Systems
  Appliance Exhaust
- Whole-Building Ventilation
  Supply Ventilation
  Exhaust Ventilation
  Balanced Ventilation
  Passive Ventilation
  Dehumidification
  Decommissioning
Baseload
- Plug Load
  Refrigeration
  Electronics
  Lighting
  Lighting Controls
  Laundry
  Vending & Beverage
  Special Considerations
- Water Conservation
  Water Preservation Devices
- Water Heating
  Thermal Loss Reduction
  Water Heater Installation
  Distribution Components
- Special Considerations
  Elevators
  Spas, Hot Tubs, Saunas
  Water Conditioning

Housing type

Specification History

SWS Version	Created	Specification ID	Title	Specification	Objective	Status
Version 2025	10/12/2023 - 15:54	0.0501.1c	Utility Interconnection Agreement	Secure approval of design by utility and secure interconnection agreement to operate utility-connected PV system , basic_html	Obtain utility-connected system interconnection agreement , basic_html	Red Line
Version 2025	10/12/2023 - 15:54	0.0501.1c	Utility Interconnection Agreement	Secure approval of design by utility and secure interconnection agreement to operate utility-connected PV system , basic_html	Obtain utility-connected system interconnection agreement , basic_html	Red Line
Version 2025	10/12/2023 - 15:54	0.0501.1c	Utility Interconnection Agreement	Secure approval of design by utility and secure interconnection agreement to operate utility-connected PV system , basic_html	Obtain utility-connected system interconnection agreement , basic_html	Red Line
Version 2025	10/12/2023 - 15:54	0.0501.1c	Utility Interconnection Agreement	Secure approval of design by utility and secure interconnection agreement to operate utility-connected PV system , basic_html	Obtain utility-connected system interconnection agreement , basic_html	Red Line

National Renewable Energy Laboratory

The National Renewable Energy Laboratory is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy LLC.