Disadvantages of Gas Central Heating - Climastar
Gas central heating

Disadvantages of Gas Central Heating

Gas Central Heating (GCH) is a common form of heating for homes in many parts of the world and especially in the UK. Though GCH has many benefits such as low running costs and efficiency, it does come with certain disadvantages which must be considered.

One of the significant disadvantages of GCH is the health risks it poses to households.

Central heating systems require boilers that burn gas to generate heat, which if unvented or improperly maintained can release carbon monoxide; a toxic gas that is harmful to humans and pets.

Carbon monoxide poisoning can cause severe health problems such as headaches, nausea, confusion, and in severe cases even death.

In 2020 116 people in the UK died from the toxic effects of Carbon Monoxide poisoning. ( source: Office for National Statistics)

It is crucial that households with GCH install carbon monoxide detectors, and have their heating systems serviced regularly by qualified engineers.

Another drawback of GCH is that it is not environmentally friendly.

The carbon dioxide (CO2) produced when burning fossil fuels, including gas, has been said to contribute to climate change in recent years.

CO2 is a greenhouse gas that traps heat in the earth’s atmosphere, leading to global warming, rising temperatures, and disruptions to our climate systems. 

Though some boilers are more efficient and emit slightly less CO2 than others, GCH still produces substantial CO2 emissions.

In 2020 it is estimated that the UK produced 405.5 million tonnes of carbon dioxide equivalent (MtCO2e) (source: Department for Business, Energy & Industrial Strategy)

Also, GCH can be expensive to install, especially for older homes that may require additional wiring or plumbing. Equally, gas boilers require regular maintenance to perform optimally, which can be costly over the long term.

In the Heat and Buildings Strategy, published in October 2021, the UK government announced that they’re aiming to phase out gas boilers in UK homes from 2035. It has also announced that from 2025 gas boilers will no longer be installed in newly built homes.

Finally, GCH is highly dependent on the availability and supply of gas, which can be disrupted in today’s world climate. This can lead to changes in gas prices, making the cost of heating homes with GSH hard to predict.

Wrapping Up

It is crucial to weigh the pros and cons before deciding on a heating system that suits your household. While GCH has many benefits, there are downsides to be taken into account for households considering this type of heating system.

Health risks due to carbon monoxide poisoning, environmental concerns related to CO2 emissions, high installation, maintenance costs, and the unpredictability of gas prices are some of the issues associated with GCH.

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