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Where these recommendations come from

Nothing here is ours. These are the building standards, ingredient databases and indoor environment researchers we lean on — all free to read, all worth an afternoon.

Standards

Living Building Challenge

International Living Future Institute

The most demanding building standard in use — buildings must generate their own energy, handle their own water, and avoid a published list of worst-in-class chemicals. Useful as a north star even if you only borrow one idea from it.

Open resource
Materials

The Red List

International Living Future Institute

A plain list of the chemicals the Living Building Challenge bans outright. Read it once and you will start recognising the ingredients behind that new-furniture smell.

Open resource
Materials

Declare Product Database

International Living Future Institute

Nutrition labels for building products: every ingredient, where it came from, and whether it clears the Red List. Search it before buying paint, flooring or cabinetry.

Open resource
Standards

WELL Building Standard

International WELL Building Institute

Organises building health into air, water, light, movement, thermal comfort, sound and mind. The concept pages are a free, well-argued reading list for anyone upgrading a home.

Open resource
Standards

Passive House Standard

Passive House Institute

An airtightness-and-insulation approach that pairs a sealed envelope with continuous filtered ventilation. It is the clearest argument for why fresh-air strategy beats simply opening a window.

Open resource
Air & Water

Tap Water Database

Environmental Working Group

Type in your zip code and see what your utility actually reports. It is the fastest way to find out whether you need reverse osmosis or just carbon.

Open resource
Air & Water

Indoor Air Quality Guides

US Environmental Protection Agency

Government guidance on VOCs, radon, combustion appliances and mold, without a product to sell you. Start with the mold remediation and radon testing pages.

Open resource
Air & Water

ASHRAE 62.2 Ventilation Guidance

ASHRAE

The residential ventilation baseline that range-hood and bath-fan sizing rules come from. Handy when you are deciding whether your kitchen exhaust is actually doing anything.

Open resource
Materials

Healthy Materials Lab

Parsons School of Design

Free research and material collections aimed at affordable, low-toxicity interiors. Their product guides are refreshingly specific about substitutions.

Open resource
Materials

mindful MATERIALS

mindful MATERIALS

A cross-manufacturer library that lines up health and transparency certifications side by side. Useful when two products look identical and only one discloses anything.

Open resource
Light & Space

Circadian Lighting Design

International WELL Building Institute

The measurable case for bright mornings and dim evenings, written for people specifying real fixtures. Pairs neatly with warm bulbs and blackout at night.

Open resource
Light & Space

14 Patterns of Biophilic Design

Terrapin Bright Green

The research behind why plants, daylight, natural materials and a view of the horizon calm the nervous system. It is the closest thing to a scientific companion for arranging a room.

Open resource

Want this applied to your actual rooms?

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