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The Norwegian method to heat the house with little investment and spend less light

Date: January 29, 2023 Time: 04:22:33

The price of electricity and gas has ‘shot up’ the price of the cost of heating the home. There are cheaper alternatives, such as pellets, but they are not as common in Spain. And there are others even more expensive, such as. diesel boilers or electric radiators, which can cost more than 2,000 euros per year on the electricity bill.

For reasons like these, in one of the coldest countries in Europe, Norway, a more economical sustainable heating method has become popular. In this country, they are removing the old diesel heating systems, banned since 2020 by the government, and they are replacing them with heat pumps.

In this way, consumption can be reduced from 35,000 kilowatt hours (kWh) per year to only 8,500 kWh, that is, barely a quarter, according to a university professor in the Reasons to be happy medium. “Energy use is extremely low. It is economically beneficial but also reduces CO2 emissions,” he adds.

Advantages of this heating system

Nearly 1.5 million people in the Nordic country have already opted for heat pumps, this means 604 heat pumps for every 1,000 homes. Sweden and Finland follow. The advantages are manifold: such as low maintenance, economical operation, dual heating and cooling, and a very efficient energy-to-heat conversion rate. In addition, they are capable of providing hot water to a home.

There are several types of heat pumps, but the most common are air-to-air. They suck in the air and distribute it through a system of pipes with a refrigerant liquid, which heats up and turns into a gas outside the house. The pump compresses the gas back into a liquid, already inside, to release the stored heat, which is distributed through radiators or underfloor heating.

These heat pumps do not heat the air but move the heat, so they use less electricity to keep the home at the same temperature. The reduction in energy consumption is estimated between 50% and 80%, depending on the type of heat pump and the outside temperature.

Another option is air-water heat pumps, the system used in aerothermal energy. They absorb heat from the air and will extend it to a water circuit that will supply the heating system to heat the house. And the air – ground or geothermal heat pumps, which take advantage of the constant temperature of the subsoil, the ambient temperature in summer and warmer than that of winter. In both cases, the installation is more expensive and therefore it takes longer to recover the investment.

Puck Henry
Puck Henry
Puck Henry is an editor for ePrimefeed covering all types of news.

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