High gas bill? These gadgets allow you to consume much less


Saving gas is a great idea. Whether you do it for idealistic or financial reasons, for Putin or for your wallet: these gadgets and inventions prove that there is a lot of novelty under the Dutch sun.

Reducing gas starts with mapping your consumption. Most energy suppliers provide an overview, but if you want it more accurate and up-to-date, you can read your meter yourself. You plug the gateway box from Dutch EnergyFlip – costs 99 euros – into port P1 of the smart meter.

The free app then displays real-time gas and electricity consumption, along with saving tips. According to the company, you’ll have the cost of purchasing the gateway within a year, as their users realize a 3-4% discount on electricity and gas, which at today’s prices equates to a savings of 152 euros.

A much cheaper solution is an app like Shower tracker & timer, which motivates you to shorten shower sessions. If you can get the average 8.5 minutes – good for around 0.3 m³ of gas – in less than five minutes, that would save an average household around €136 a year.

Switch from gas to electricity

You feel an infrared panel rather than see it suspended, so discreetly from the ceiling. When you sit under it, it feels like the sun is shining down your neck. Unlike the average panels which are usually used as an auxiliary heater, the panels from the Dutch company Welnu use a more powerful wavelength.

This allows them to heat an entire home or business, as with contractor Richard Barmentloo. He hung 31 panels in his brand new premises. There are also four copies hanging in his own house. “It all started with a panel in the living room. This immediately led to a saving of almost four hundred cubic meters of gas. The neighbors now also have two infrared panels hanging, they liked the warm feeling with us.”

Want to make your home smarter? BestGetest editors have listed the best smart doorbells.

Cooking with solar energy

Cooking without gas, fire or electricity is also possible with a solar oven. This gadget reflects the sun’s radiation and concentrates it in one place. It takes a little more patience than with the barbecue, but it’s cleaner on all fronts. On a drizzly day, that obviously doesn’t work for a meter, but even at our latitude and with a few clouds, there’s still something to cook under the Dutch sun.

The American GoSun offers a series of solid solar ovens with a vacuum tube. The smartest model is the Fusion. This hybrid oven is the first in the world that you can also connect to the car battery, a power bank or the socket in bad weather.

France’s foldable Sungood is considerably less high-tech. Preparing a meal takes much longer. There are plenty of examples on the internet of DIY projects where a discarded satellite dish or pizza box is turned into a solar cooker.

Energy production with wastewater

An inventive solution to reducing heating costs came from two graduates of TU Delft. Auke de Vries and Sander Wapperom have come up with the HeatCycle which does not allow the heat from the waste water – which averages 27 degrees – to disappear into the sewer, but is used to heat tap water and part of the home. Circular and cheaper than buying a conventional heat pump.

By the end of this year, around 350 HeatCycles should already be operating in the Netherlands. Who is the target audience? Sander Wapperom: “Anyone who uses water and has a house where we can access the sewage system. It’s great to see that our system really works as well as it was designed. We have installed some one in a student house of 24 people, that’s where the biggest savings are – two thousand cubic meters of gas. A household of four with average water usage could save 600 cubic meters a year. current prices, you have recovered the investment of 2900 euros in about five years.

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