hansgrohe CoolStart taps are eco-friendly, only running cold water when the handle is in center position – whereas with standard taps, energy is consumed immediately in the same position. With our CoolStart technology, your plumbing system doesn’t get filled with hot water unnecessarily. The result: fewer resources consumed, lower CO2 emissions, and lower energy costs. Good for the environment and your wallet!
Where can we save energy, how do we reduce CO2 emission, what can we do to combat climate change? These questions are on everyone’s mind. The best place to look for answers is in the energy consumers in our homes that we use several times a day, like taps. The hansgrohe CoolStart concept is as simple as it is ingenious: Warm or hot water will only flow out of these taps when you really need it. You only use the energy when you actively move the lever handle to the left.
Standard faucets work differently: the continuous flow heater, circulating pump, and other water heaters start up as soon as the lever is activated in the middle position. But we don’t always need hot water, do we? Cold water is often enough while washing hands, watering flowers or cleaning. That’s exactly the trick: CoolStart faucets only heat water when you see a need. You alone decide how high the temperature should be – multiple times a day. Typical hansgrohe: with an economical CoolStart faucet, you can enjoy full convenience and beautiful design.
If you start cool, you can save energy. How much? Here’s one example calculation: a four-person household that uses a hansgrohe CoolStart tap for 20 minutes every day for a year can consume 508 kW hours less energy than it would with a standard tap. To put this into perspective, with 500 kWh, you can:
Background information: Around 90% of CO2 emissions in the bathroom occur in the usage phase i.e. while heating water for the shower, bath tub and wash basin. An example calculation: a four-person household that heats water with gas can use 23 kilograms less CO2 per year with a CoolStart tap than with a conventional tap. To put this into perspective:
This is especially important in times when energy prices are soaring. An example calculation: a four-person household that heats water with gas can save 61.97 euros every year simply by replacing their old tap with a CoolStart model. By the way:
The basis for these calculations can be found at the bottom of this page.*