Is the UK Pushing for Air Conditioning in 2026?

Is the UK Pushing for Air Conditioning in 2026? A Deep Dive into Cooling Policies Amid Rising Heat

As the world grapples with climate change, the United Kingdom—historically known for its mild, rainy weather—is facing an uncomfortable reality: hotter summers and more frequent heatwaves. In 2025 alone, Britain endured at least four significant heatwaves, with temperatures soaring to 33°C in some areas.

This shift has sparked debates about how to keep homes, offices, and public spaces comfortable without exacerbating the very emissions driving global warming. The question arises: Is the UK government actively pushing for widespread air conditioning (AC) adoption in 2026? The answer isn’t a simple yes or no. Instead, policies are steering toward sustainable cooling solutions, like heat pumps that double as air conditioners, while cautioning against a “rush to AC.” This blog post explores the current landscape, government initiatives, regulatory changes, and what it means for Brits in a warming world.

The Heat is On: Why Cooling Matters in the UK Now

For decades, air conditioning was seen as a luxury in the UK, reserved for high-end offices or hotels. Unlike the US, where 90% of homes have AC, only about 5% of British households do. Traditional British homes were designed to retain heat in a cooler climate, with thick walls, small windows, and minimal ventilation for warmth. But climate projections paint a stark picture: summers are getting hotter, longer, and more intense. Scientists predict that by 2091, domestic AC could be in 27% of northern English homes and 82% in the south if current trends continue.

The human cost is evident. Heatwaves in 2022 and 2025 led to excess deaths, reduced productivity, and strained healthcare systems. In response, the UK government has committed to a national cooling action plan by 2026, as highlighted by researchers from the University of Exeter. This plan aims to protect vulnerable populations—elderly people, those with health conditions, and low-income households—from extreme heat. But rather than blanket promotion of traditional AC units, which rely on electricity often from fossil fuels and contribute to emissions, the focus is on “sustainable cooling pathways.” Globally, such strategies could slash cooling-related emissions by 64% and save trillions in energy costs by mid-century.

Government Incentives: Heat Pumps as the New AC

One of the most significant developments in 2025 was the expansion of the Boiler Upgrade Scheme (BUS), a government grant program originally aimed at replacing gas boilers with low-carbon heating. In November 2025, the scheme was broadened to include air-to-air heat pumps, marking the first time UK funding has supported devices that provide air conditioning. These systems heat homes in winter and cool them in summer, offering a dual-purpose solution that’s more energy-efficient than standalone AC.

Under the updated BUS, households can receive £2,500 toward air-to-air heat pumps or £7,500 for air-source or ground-source models. This is part of the £13.2 billion Warm Homes Plan, targeting five million homes for energy upgrades. Energy Consumers Minister Martin McCluskey emphasized that this expansion benefits flats and smaller homes without central heating, providing “greater choice when upgrading their property.” Heat pumps are powered by electricity, increasingly from renewables like wind and solar, aligning with the UK’s net-zero goals.

This isn’t exactly “pushing for AC”—traditional units guzzle energy and release hydrofluorocarbons (HFCs), potent greenhouse gases. Instead, it’s a nudge toward reversible heat pumps. By 2040, the UK’s Climate Change Committee envisions half of homes heated (and potentially cooled) by heat pumps, up from just 1% in 2023. Advocates argue this could raise living standards and productivity, especially under a Labour government focused on green growth.
However, challenges remain. Heat pumps cost more upfront—around £10,000-£15,000 installed—though grants help. Electricity prices in the UK are higher than in Europe or the US, making operation pricier than gas heating. Uptake has been slow, with only a fraction of the 600,000 annual installations targeted by 2028 achieved so far. The government is addressing this with skills training programs and supply chain investments, aiming for £200 million in private funding for heat pump manufacturing.

Building Regulations: Prioritizing Passive Cooling Over AC

While incentives promote heat pumps, UK building regulations actively discourage reliance on traditional AC. The Future Homes Standard, set for full implementation in 2026, requires new homes to produce 75-80% fewer carbon emissions than those built under 2013 rules. This includes phasing out fossil fuel heating off the gas grid from 2026 and mandating low-carbon alternatives like heat pumps.

Approved Document O (Overheating), introduced in 2022 and updated, emphasizes “passive” cooling methods—such as better insulation, shading, cross-ventilation, and dual-aspect designs—to prevent overheating without energy-intensive systems. AC is only permitted as a last resort in exceptional cases, like noisy urban areas where windows can’t open. This stems from net-zero priorities: AC increases energy demand, potentially from non-renewable sources, countering emission reductions.
For existing buildings, retrofits are key. Many Victorian-era homes trap heat, but simple changes like awnings, creepers for shade, or layout tweaks for cross-drafts can help, as seen in innovative London apartments. The Heat and Buildings Strategy, updated in 2021, calls for upgrading homes to EPC band C by 2035 where feasible, reducing heating (and cooling) needs.
HVAC regulations are tightening too. From 2026, F-Gas rules limit HFC chillers, pushing toward low-global-warming-potential alternatives. Part L of Building Regulations demands higher energy efficiency for systems, with chiller standards rising significantly. TM44 inspections for AC systems over 12kW remain mandatory every five years, with penalties for non-compliance increasing under 2025 reforms.

Pros, Cons, and the Broader Debate

Proponents of expanded cooling access, like the Centre for British Progress, call for legal changes to make whole-home AC more affordable, potentially via BUS grants. They argue that ignoring cooling ignores climate adaptation, especially as productivity dips in hot offices.

Critics, including eco-groups, warn that widespread AC could lock in higher emissions. “Why the Government doesn’t want you to have aircon,” as one headline put it, reflects planning rules in places like London that prioritize passive methods. Installing AC in older homes might even downgrade energy ratings, deterring sales.

Social media buzz on X (formerly Twitter) echoes this tension. Posts about heat pumps and AC competitions highlight growing interest, with users sharing tips on sustainable cooling amid 2025’s sweltering summers. Discussions often tie into skills training for installers, as the UK prepares for WorldSkills 2026 in refrigeration and AC.

Looking Ahead: A Cooler, Greener Future?

By 2026, the UK’s national cooling plan will likely formalize these efforts, integrating heat resilience into infrastructure like transport (e.g., air-conditioned DLR trains by 2026). Hydrogen-ready boilers and consultations on alternative heating could further evolve cooling tech.

In essence, the UK isn’t “pushing for AC” in the conventional sense but is advancing integrated, low-carbon solutions. This balanced approach could set a global example, reducing reliance on energy-hungry systems while adapting to inevitable heat. For homeowners, now’s the time to explore grants and upgrades—before the next heatwave hits.