Lowtech Graph lists low-tech options for every need of a home. Here you can compare them, find tutorials to build them, and link them together into a circular system. Why low-tech?

Interior adjustable louvre blind (glare control)

Passive

Note: Cost, carbon and footprint are broad judgements against comparable building approaches, not measured figures.

A blind of tilting slats hung inside a window. The slats are angled to keep bright sun out of your eyes while the room stays light, and they give privacy. It is cheap and fits any window, but it stops glare, not heat: by the time sun reaches it, the heat is already inside.

Cost

Low

Upkeep

Occasional

Skill to build

Basic

Lifespan

10-15 years for the slat stack and tilt mechanism; the tilt cord or wand is the usual first failure and is replaceable on its own

Embodied carbon

Low

Space / material use

Low

Output timing

On-demand/controllable

Skill to repair

Basic

Inputs

none

Outputs

none

How does this solution compare to others for the same need?

The only option catalogued for this need so far, so there is nothing to compare it against.

Sources

• Designing Buildings wiki, Glare (establishes the discomfort/disability glare distinction this solution addresses; the article defines glare but prescribes no control measures, so it supports the need, not the technique)

Limitations of this page

We don’t list sizing or quantities, as the yield of each technique depends on the quality of its build. The catalogue compares options but doesn’t dimension them. Regulatory notes are indicative, with a French example, and need to be confirmed locally.