Shorter showers are one of the most impactful ways to conserve water and energy as hot water is our most valuable water. Most people take ~8-10 minutes to shower, but for others this can be even longer. 4 minutes is the duration recommended by utilities for sustainable showering.

 2 minute DIY zip tie install - fits any shower. No tools. No plumber. 

 Auto detects flow - turns on when water runs. No buttons, no need to do anything.

Nudges you -  green → amber → red alerts guide you to 4 minutes.

Using behavioural nudges on a daily basis, ShowerStar typically delivers a proven average reduction in shower time of 3.2 minutes or ~30% per shower. Often these savings are much longer, especially in families with kids and teens. 

You might think your everyday choices don't add up, but when we all act together, our collective impact on society and the environment can be massive.

Many people linger in the shower without realizing just how much water and energy they're wasting.

Gen Z teens, often unaware of water and energy costs—and rarely footing the bills—are fueling 20- to 30-minute (or longer) "everything showers" that have exploded across TikTok and social media.

Beyond the expense, these marathon sessions often deplete hot water, forcing family members into chilly rinses and sparking unnecessary household tension.

Switching to shorter showers can save families $300–$785 a year—or even more—while benefiting the planet by cutting carbon emissions and preserving precious water for our communities.