Connected thermostats on every radiator: a new blow to purchasing power, mandatory in 2027 (or 2030)

A fresh setback is looming for the purchasing power of millions of people affected.

What the government decree requires for connected thermostats

The change may have slipped under the radar at the time. In June 2023, the government adopted a decree making it compulsory to fit connected thermostats to every radiator in a home by 2027. Since then, the authorities appear to have slowed the timetable and now refer to 2030.

Even if the intention is positive-and the measure should help cut energy use-it will still come with a price tag for households.

Cost per radiator, and the two planned exceptions

As Capital points out, financial support was initially introduced, but it was withdrawn quickly after fraud was detected. As a result, those concerned now have to pay themselves, at a cost of close to 300 euros per radiator.

With four radiators, that takes the bill to 1200 euros, and it could be more depending on individual circumstances. Two exceptions are, however, предусмотр: homes where the installation would not pay for itself within ten years, and properties heated with a wood-burning stove.

“The State is meddling in things that are none of its business”

In any case, the obligation prompted a strong reaction from columnist François Lenglet on RTL, who described the requirement as “absurd”. He added: “This is madness. The State is meddling in things that are none of its business”.

In his view, the government should instead focus on major energy files, such as restarting nuclear power and speeding up the roll-out of renewable energy. Shortly afterwards, former Interior Minister Bruno Retailleau joined the controversy and complained with a touch of irony:

At this rate, there will soon be checks on the thickness of jumpers, a commission tasked with verifying the energy efficiency of duvets, and a requirement to cultivate optimal body hair to reduce our energy bill.

Bad news is clearly piling up for homeowners’ purchasing power. We recently discussed the Draft Multi-year Works Plan (PPPT). Since 1 January 2025, and in line with the Climate and Resilience Act, all co-owned buildings more than 15 years old must produce one, in order to anticipate the renovations needed to protect buildings and homes. And while nothing is certain, many already fear a sharp rise in costs. More information on this can be found in our previous article here.