BASC Search

Seven categories of exterior window shading attachments, identified on the DOE Efficient Window Coverings website.

The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.

Publication Date

Tue, 07/25/2023 - 12:00

The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.

Building energy codes often reference primary and secondary daylight when specifying daylighting control requirements – the primary daylight zone or distance into the room from the window equals the window height from the floor.

Publication Date

Mon, 01/20/2025 - 12:00

Interior window attachments such as these light-filtering roller shades can reduce heat gains while providing pleasant, diffuse natural light.

Publication Date

Tue, 07/25/2023 - 12:00

Right - Triple-pane windows let in light and views while minimizing heat loss in winter and unwanted solar heat gain in summer.

Publication Date

Fri, 12/31/2021 - 12:00

Photocells sense daylight entering from windows, ambient light from other luminaires, and reflected light bouncing around the room.

Publication Date

Mon, 01/20/2025 - 12:00

This house was designed with half of the basement above grade, allowing 36-inch-tall windows for egress and daylight on both sides of the house.

Right – Smart equipment for homes may include a tablet or touchpad from which the homeowner can control lighting, HVAC, window shades, security, music, and other home automation features.

Publication Date

Thu, 09/30/2021 - 12:00

Pleated blinds provide cooling savings in summer by blocking and reflecting sunlight, while allowing some diffuse daylight to pass through.

Passive and Low-Energy Cooling

Guide describing various ways of implementing passive and low-energy cooling techniques for a house.

ENERGY STAR Most Efficient 2024

Author(s)

ENERGY STAR

Organization(s)

ENERGY STAR,

U.S. Environmental Protection Agency,

EPA

Publication Date

February, 2024

Webpage on the ENERGY STAR website that list products that exceed the ENERGY STAR minimum criteria for their category, with links to several product categories, including windows, HVAC, home appliances, and computer monitors.

DOE ZERH 2013 Case Study: e2 Homes Winter Park, Florida [2-page summary version]

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

January, 2013

Case study describing the first certified DOE Zero Energy Ready Home—the “Wilson Residence” in Winter Park, Florida.

Air sealing at recessed lighting in attic - site built

DWG

PDF

Air sealing at recessed lighting in attic - pre made

DWG

PDF

DOE ZERH HIA 2013 Case Study: e2 Homes, Winter Park, Florida

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

January, 2013

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Winter Park FL that scored HERS 57 without PV or HERS -7 with PV.

Building America Energy Performance Brief: Improving Recessed Lighting

Author(s)

Gilbride Theresa L

Organization(s)

PNNL

Publication Date

September, 2011

Case study describing the best methods for mitigating the energy loss in older recessed lights.

ENERGY STAR Rebate Finder

Author(s)

ENERGY STAR

Organization(s)

ENERGY STAR,

U.S. Environmental Protection Agency,

EPA

Publication Date

February, 2024

Website for finding rebates and special offers near you on ENERGY STAR certified products. Products that earn the ENERGY STAR label meet strict energy-efficiency specifications set by the U.S. EPA helping you save energy and money while protecting the environment.

Building America Case Study Technology Solutions for Existing Homes: Bedford Farmhouse High Performance Retrofit Prototype

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

December, 2013

Case study describing project conducted by Habitat for Humanity of Greater Lowell (HfHGL) and Building Science Corporation (BSC).

Building America Efficient Solutions for New Homes: Case Study: Concord Cape Prototype

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

July, 2010

Case study describing a Concord Cape Cod style home designed in August 2008 by architects and engineers at Building Science Corporation, who developed the drawing set and specifications for the high performance custom home in Concord, Massachusetts.

DOE ZERH HIA 2014 Case Study: Imery Group Proud Green Home, Serenbe, GA

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

April, 2014

Case study describing the first DOE Zero Energy Ready Home in Georgia that achieved a HERS score of 40 without PV and -10 with PV.

DOE ZERH HIA 2014 Case Study: One Sky Homes, Cottle Zero Net Energy Home, San Jose, CA

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

September, 2014

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 69 without PV and -1 with PV.

DOE ZERH HIA 2014 Case Study: M Street Homes, Smartlux on Greenpark Houston, TX

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

September, 2014

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 45 without PV and 32 with PV and is the first home in the world to use a tri-generation system to supply electricity, heating, and cooling on site.

New Whole-House Solutions Case Study: Lancaster County Career and Technology Center Green Home 3 - Mount Joy, Pennsylvania

Author(s)

Home Innovation Research Labs

Organization(s)

HIRL

Publication Date

December, 2014

Case study describing the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.

Existing Whole-House Solutions Case Study: Habitat for Humanity of Palm Beach County, Lake Worth, Florida

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

January, 2012

Case study describing an energy efficient retrofit project in hot-humid climates.

New Whole-House Solutions Case Study: Schneider Homes, Inc., Village at Miller Creek, Burien, WA

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

February, 2013

Case study describing new home construction in the marine climate that achieved 50% savings over the 2004 IECC.

DOE ZERH HIA 2013 Case Study: Preferred Builders, Old Greenwich, Connecticut

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

April, 2013

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Old Greenwich CT, that scored HERS 42 without PV and HERS 20 with PV.

Seven categories of exterior window shading attachments, identified on the DOE Efficient Window Coverings website.

The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.

The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.

Building energy codes often reference primary and secondary daylight when specifying daylighting control requirements – the primary daylight zone or distance into the room from the window equals the window height from the floor.

Interior window attachments such as these light-filtering roller shades can reduce heat gains while providing pleasant, diffuse natural light.

Right - Triple-pane windows let in light and views while minimizing heat loss in winter and unwanted solar heat gain in summer.

Photocells sense daylight entering from windows, ambient light from other luminaires, and reflected light bouncing around the room.

This house was designed with half of the basement above grade, allowing 36-inch-tall windows for egress and daylight on both sides of the house.

Right – Smart equipment for homes may include a tablet or touchpad from which the homeowner can control lighting, HVAC, window shades, security, music, and other home automation features.

Pleated blinds provide cooling savings in summer by blocking and reflecting sunlight, while allowing some diffuse daylight to pass through.

Passive and Low-Energy Cooling

ENERGY STAR Most Efficient 2024

DOE ZERH 2013 Case Study: e2 Homes Winter Park, Florida [2-page summary version]

Air sealing at recessed lighting in attic - site built

Air sealing at recessed lighting in attic - pre made

DOE ZERH HIA 2013 Case Study: e2 Homes, Winter Park, Florida

Building America Energy Performance Brief: Improving Recessed Lighting

ENERGY STAR Rebate Finder

Building America Case Study Technology Solutions for Existing Homes: Bedford Farmhouse High Performance Retrofit Prototype

Building America Efficient Solutions for New Homes: Case Study: Concord Cape Prototype

DOE ZERH HIA 2014 Case Study: Imery Group Proud Green Home, Serenbe, GA

DOE ZERH HIA 2014 Case Study: One Sky Homes, Cottle Zero Net Energy Home, San Jose, CA

DOE ZERH HIA 2014 Case Study: M Street Homes, Smartlux on Greenpark Houston, TX

New Whole-House Solutions Case Study: Lancaster County Career and Technology Center Green Home 3 - Mount Joy, Pennsylvania

Existing Whole-House Solutions Case Study: Habitat for Humanity of Palm Beach County, Lake Worth, Florida

New Whole-House Solutions Case Study: Schneider Homes, Inc., Village at Miller Creek, Burien, WA

DOE ZERH HIA 2013 Case Study: Preferred Builders, Old Greenwich, Connecticut

Air Sealing Light Tubes

High-Efficiency Lighting

Recessed Lighting - Code Compliance Brief

Ceiling Fans (ENERGY STAR)