Installers news in 2025
35 stories, newest first.
- December 2025
Switch 4 Business Ltd listed as inactive on Energy Ombudsman dispute page
The Energy Ombudsman's dispute page lists the energy broker Switch 4 Business Ltd as inactive, with a membership period that ended on 31 December 2025.
MCS published updated standards for air-to-air heat pump implementation
MCS published updated heat pump standards in December 2025 covering air-to-air products and installations, the first step before the technology is fully implemented into its certification schemes.
Consumer Scotland publishes response to UK Government consultation on the energy ombudsman
Consumer Scotland has backed a four-week wait before householders can escalate an energy complaint to the Energy Ombudsman, and financial penalties for suppliers that ignore its decisions.
- October 2025
Government confirms MCS as sole certification scheme for clean heat measures under five schemes
DESNZ has confirmed it plans to mandate MCS as the sole certification scheme for clean heat measures across five government schemes, with MCS installers moving to a redeveloped scheme during 2026.
Which? urges government to remove heat pump adoption barriers
Which? has published Sustainability Tracker findings showing heat pump ownership among homeowners at three per cent and called on the government to remove the barriers holding consumers back.
B&Q Energy Saving Service has given tailored advice to more than 1,600 customers
Energy Saving Trust has reported that B&Q's Energy Saving Service, built on its Home Energy Efficiency Tool, has given tailored advice to more than 1,600 customers since launch.
Citizens Advice publishes paper calling for overhaul of retrofit consumer protections
Citizens Advice has published a paper calling for an overhaul of consumer protections in the retrofit market, proposing independent advice, a single quality scheme and regulated redress.
Energy Saving Trust responds to Treasury consultation on VAT relief for energy saving materials
The Energy Saving Trust has told the Treasury that battery storage retrofitted to existing solar should be zero-rated for VAT, and that the relief should extend to EV chargepoints, thermal storage, water source heat pumps and smart heating controls.
MCS responds to DESNZ consultation on extending ECO4
MCS has published its response to the government consultation on extending ECO4, backing a nine-month extension with stronger consumer protections, as Consumer Scotland also files its own supportive response.
- September 2025
Updated MCS 020 compliance becomes mandatory for relevant PDR installations
Compliance with the updated MCS 020 sound standard became mandatory on 20 September 2025 for air source heat pumps installed under Permitted Development in England, following changes to size, siting and unit limits.
- August 2025
Guidance updated to require PAS 2030:2023 instead of PAS 2030:2019
Ofgem's ECO4 guidance moved to version 2.0 on 7 August 2025, replacing references to PAS 2030:2019 with PAS 2030:2023 across its chapters and application forms.
- July 2025
MCS launched a consultation on an air-to-air heat pump performance standard
MCS has opened a four-week consultation on a proposed standard and calculator tool for estimating the performance of air-to-air heat pump systems, with responses due by 6 August 2025.
Luthmore opens installer training registrations ahead of production later in 2025
Luthmore, founded by two former Dyson engineers, is taking registrations for installer training on its battery-powered boiler ahead of production starting later in 2025.
- June 2025
CPA publishes consumer guidance on protecting deposits paid to tradespeople
The Consumer Protection Association has published guidance on deposits paid to tradespeople, setting a ceiling of 25 per cent or £7,500 and warning against cash payments.
Citizens Advice publishes report on spray foam insulation mis-selling
Citizens Advice has published a report on mis-sold spray foam insulation, saying complaints have more than doubled in a year and calling for mandatory quality standards and a single ombudsman.
MCS submits response to DESNZ consultation
MCS has published its response to a two-part DESNZ consultation on the Boiler Upgrade Scheme and on making MCS the sole certification scheme for clean heat installations.
Wish Energy Solution Ltd ceased trading
The Energy Ombudsman lists the energy broker Wish Energy Solution Ltd as inactive, with its membership of the ombudsman scheme ending on 2 June 2025.
NIBE showcases new S1156 PC, S1256 PC and S735C heat pumps at InstallerSHOW 2025
NIBE launched a direct-to-consumer heat pump installation route for air source systems and showed new ground source and exhaust air models at InstallerSHOW 2025.
- May 2025
Affected products scheduled to return to the MCS Product Directory
MCS has granted a six-month grace period for solar mounting products whose certification was withdrawn when the MCS 012 standard changed, with the products returning to the directory on 16 May.
Which? surveys Trusted Trader engineers on boiler repair costs
Which? asked 225 Trusted Trader heating engineers in May and June 2025 what they would charge in parts and labour to fix the 10 most common boiler faults.
- April 2025
MCS consumer protection consultation closes
MCS has closed a consultation on proposed changes to financial protection requirements for small-scale renewables, with the response to be published soon.
Government launches consultation on expanding the Boiler Upgrade Scheme
The government has opened a consultation on widening the Boiler Upgrade Scheme to cover air-to-air heat pumps and heat batteries, and to allow third-party ownership finance alongside grants.
Gwresogi achieves MCS certification for solar PV, heat pumps and battery storage
Gwresogi, a Gwynedd installer founded in 2014, gained MCS certification in April 2025 covering solar PV, air source heat pumps and battery storage, according to an MCS case study.
MCS launches four-week consultation on financial protection requirements
MCS opened a four-week consultation in April 2025 on proposed financial protection requirements for its redeveloped scheme, drawing over 30 responses including from the CMA and DESNZ.
- March 2025
Uswitch updates new boiler costs and installation guide
Uswitch republished its new boiler cost and installation guide on 21 March 2025, listing installer offers, finance terms and typical installation prices for UK households.
MCS responds to DESNZ call for evidence on Ofgem review
MCS has backed a proposed extension of Ofgem's remit to enforce consumer law for low-carbon technologies, and asked to act as the regulator's delivery partner for small-scale renewables.
MCS begins transition to Redeveloped Installer Scheme over 18 months
MCS has begun an 18 month transition to its Redeveloped Installer Scheme, announced alongside record contractor numbers of over 5,250 and a record year for certified installations in 2024.
MCS introduces amended ASHP standards
MCS introduced amended air source heat pump standards on 20 March 2025, further amended on 23 April, which the Welsh Government says will form part of permitted development rights if its proposals come into force.
- February 2025
MCS begins tracking self build installations
MCS began recording certified renewable installations on self build properties from February 2025, a category that accounted for 1% of its certified work last year.
- January 2025
UK Government announces action on poor quality solid wall insulation under ECO4 and GBIS
The UK Government has announced action over poor quality solid wall insulation installed under ECO4 and GBIS, including suspending installers, with affected households to be contacted by Ofgem.
Government plans to almost double Boiler Upgrade Scheme budget for the next financial year
The Minister for Energy Consumers said the Boiler Upgrade Scheme budget will be almost doubled in the next financial year, as industry data showed record renewable installations in 2024.
ECA MCS Warranty provider ceases offering the warranty without notice
The ECA has told members that its MCS Warranty provider stopped offering the ECA MCS Warranty without notice on 9 January 2025, and it is checking whether the change is permanent.
38 installers suspended from government retrofit schemes
Certification bodies suspended 38 installer businesses from government retrofit schemes after quality failures, a parliamentary committee has reported, with 22 reinstated by November 2025.
The Battery Installation Standard was issued
MCS has issued MIS 3012:2025 version 1.0, a battery installation standard setting out requirements for the design and installation of battery storage systems, dated 1 January 2025.
Financial incentives for stand-alone fossil fuel boilers are to be phased out
The European Commission has issued guidance confirming that from 1 January 2025 EU Member States must not offer financial incentives for installing stand-alone fossil fuel boilers.