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The total cost was to be £50 million, with a further £150 million for the Warm Front Scheme. [1] To qualify, one had to live in England and have a working G-rated boiler. Successful applicants received a voucher for £400 off the price of either a modern A-rated boiler or a renewable heating system (such as a biomass boiler, heat pump or ...
It is the trading name of British Gas Services Limited and British Gas New Heating Limited, both subsidiaries of Centrica. [5] Serving around ten million homes in the United Kingdom, British Gas was the largest electricity supplier in the country until 2024 when it was overtaken by Octopus Energy. [6] It remains the largest gas supplier.
As of 2022 the installation cost of a heat pump is more than a gas boiler, but with the government grant and assuming electricity/gas costs remain similar their lifetime costs would be similar. [55] However the share of heatpumps in the UK is far below the European average. [56] More waste heat could be saved and used - for example in London.
The Green Deal Home Improvement Fund (GDHIF) is a new incentive scheme open to all householders in England and Wales wanting to improve the energy efficiency of their homes. [39] The scheme allows Householders to choose one or both of the two core offers available and may also be eligible to claim up to £7,600 as a bundled package.
However lifetime cost relative to a gas boiler varies considerably depending on several factors, such as the quality of the heat pump installation and the tariff used. [105] In 2024 England was criticised for still allowing new homes to be built with gas boilers, unlike some other counties where this is banned. [106]
The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...
Condensing boiler manufacturers claim that up to 98% thermal efficiency can be achieved, [3] compared to 70%–80% with conventional designs (based on the higher heating value of fuels). Typical models offer efficiencies around 90%, which brings most brands of condensing gas boiler in to the highest available categories for energy efficiency.
For comparison, CCGT (combined cycle gas turbine) without carbon capture or carbon costs had an estimated cost in 2020 of 4.7 pence/kWh (£47/MWh). [30] Offshore wind prices dropped far faster than the forecasts predicted, and in 2017 two offshore wind farm bids were made at a cost of 5.75 pence/kWh (£57.50/MWh) for construction by 2022–2023.