General construction: budget, finance, project types
Sustainable and green building basics for owners
Most of a building’s environmental performance is set by a few early choices: shape and orientation, insulation and airtightness, windows, systems and materials. This guide lists them in order of leverage.
Most of a building’s environmental performance is set by a few early choices: shape and orientation, insulation and airtightness, windows, systems and materials. This guide lists them in order of leverage.
Order of leverage
- Site, orientation and form: sun, shade, wind and a compact shape reduce loads.
- Envelope: insulation, airtightness and good windows.
- Systems: efficient heating, cooling, ventilation and water use, sized properly.
- Materials: durability, local sourcing where it makes sense, and documented content.
- Operation: metering and easy maintenance.
Ask for evidence
Labels vary in meaning. Ask for the document behind a claim: a test report, a declaration or a certificate from a named body. The environmental product declaration guide and the certification claim guide show how.
Durability is green too
A building that lasts and is easy to repair uses fewer resources over its life. Moisture control and detailing for the local climate deserve as much attention as energy features.
Plan early
Most green choices are cheapest at the concept stage. Raise them with the designer first and confirm local energy and building code requirements with the authority.
Quick answers
- Is green building the same as expensive building? Not necessarily. Many of the biggest choices, such as orientation and compact form, cost little if made at the start.
- Where can I find reliable guidance? Government and standards bodies, such as the U.S. Department of Energy and EPA, and recognized rating systems. Be cautious of unsupported marketing claims.
- Do green claims need evidence? Yes. Ask for documents such as an environmental product declaration or test report rather than accepting a label.
This guide is general information. Confirm structural, legal, financial and permitting questions with qualified professionals and the local authority, and use written quotes for any commitment.
Questions people ask
Is green building the same as expensive building?
Not necessarily. Many of the biggest choices, such as orientation and compact form, cost little if made at the start.
Where can I find reliable guidance?
Government and standards bodies, such as the U.S. Department of Energy and EPA, and recognized rating systems. Be cautious of unsupported marketing claims.
Do green claims need evidence?
Yes. Ask for documents such as an environmental product declaration or test report rather than accepting a label.
Sources and further reading
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