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Any questions about gas central heating? Your answer may already be here, otherwise ask away and we'll get in touch with the answer asap!
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Heating with Gas vs Heating with Electricity
Initial Purchase Cost
The initial purchase price of an electrical appliances may be lower than that of a gas heating system, but gas heating will usually be more cost effective to operate and maintain. This will reduce the overall cost in the long term. You can significantly reduce your running costs by choosing gas over electricity.
The Energy Source of Choice
More than three quarters of new home owners in new subdivisions in the North Island are choosing natural gas as the fuel for their new home.
Efficiency
Using gas to heat your home is highly energy efficient produces fewer emissions that heating with electricity. Gas will heat water twice as quickly as electricity at almost a third the cost and when maintained, it is often 80-90% more efficient.
By using gas, we can cut NZ’s household electricity demand in half
Research by BRANZ (source GAS Association of NZ publication - National Gas Review Autumn 2007) revealed that by using more gas and LPG, we could halve New Zealand’s household electricity demand. On the other hand, a reliance on electric heat pumps can actually increase the strain on the electricity system.
The paper suggested that we could shave 56% of current winter household electricity loads, and 51% from average household summer demand with greater use of gas and LPG for low process heat applications - eg, household space and water heating.
This would greatly reduce the current pressure on electricity generation systems and limit the need for, and size of, new power stations. It would also minimise the need for investment in costly grid upgrades.
The report casts doubt on the strategic impact of heat pumps and shows that using high efficiency electric heat pumps for water and space heating reduces average winter load by just 6% (versus 56% for gas) and summer load by 22% (versus 51% for gas). And although this needs further analysis, it also shows that heat pumps could actually increase peak electricity loads.
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