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EU Clean Heat Program

EU Clean Heat Program: Drives decarbonisation of heating through electrification, renewable heat and efficiency mandates

Maílis Carrilho
Written by Maílis Carrilho
Published Mar 20, 2026

Summary

The EU Clean Heat framework is a multi-layered regulatory architecture that combines RED III, EPBD, EED, and ETS2 to decarbonise heating and cooling. It mandates renewable heat deployment, building efficiency improvements, and the introduction of carbon pricing for fossil fuels used for heating. Member states must implement national strategies, while companies and households face increasing obligations to transition away from fossil-based heating systems. The framework fundamentally reshapes the European heating market toward electrification and renewable energy.

Details

Jurisdictions
  • European Union
Mandatory for

Obligations are primarily mandatory for member states, which must transpose directives into national law.

For companies and households:

Heating system replacement obligations may apply under national law.

Building renovation requirements vary by country.

Financial support schemes are widely available.

Exemptions

Exceptions may include:

Technical infeasibility for certain buildings.

Temporary exemptions for vulnerable households.

Transitional provisions for legacy heating systems.

Deep dive

3 min read
Published Mar 20, 2026

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What’s Required

The European Union does not operate a single “Clean Heat Program” as a standalone regulation. Instead, clean heating is governed through an integrated set of legislative instruments under the European Green Deal and the Fit for 55 package, which collectively impose binding obligations on member states, utilities, building owners and industry.

The core legal instruments shaping EU clean heat policy include:

  • Renewable Energy Directive (RED III).

  • Energy Efficiency Directive (EED recast).

  • Energy Performance of Buildings Directive (EPBD recast).

  • EU Emissions Trading System (ETS and ETS2).

Together, these create a multi-layered compliance framework that targets both the supply and demand sides of heating.

1) Renewable Heat Targets

Under RED III, member states must increase the share of renewable energy in heating and cooling by a binding annual increment (at least 0.8–1.1 percentage points, depending on sector).

This requires deployment of:

  • Heat pumps.

  • Solar thermal systems.

  • Geothermal heating.

  • Renewable district heating.

District heating systems must progressively integrate renewable and waste heat sources to meet “efficient district heating” definitions.

2) Building-Level Requirements

The EPBD introduces obligations for buildings that directly affect heating systems:

  • Phase-out of fossil fuel boilers in new buildings.

  • Minimum energy performance standards for existing buildings.

  • Zero-emission building requirements for new construction (from 2030).

Heating systems must increasingly be based on electricity or renewable sources rather than fossil fuels.

3) Energy Efficiency Obligations

Under the EED, member states must achieve annual energy savings targets, including reductions in heating demand.

Utilities and energy suppliers are often required to implement energy efficiency obligation schemes, which include measures such as:

  • Retrofitting buildings.

  • Upgrading heating systems.

  • Supporting heat pump deployment.

4) Carbon Pricing on Heating

The introduction of ETS2 extends carbon pricing to buildings and road transport fuels starting in 2027.

This creates a direct economic signal to:

  • Reduce fossil fuel heating.

  • Shift to electrification or renewable heating systems.

Fuel suppliers must purchase emissions allowances, increasing the cost of carbon-intensive heating fuels such as gas and oil.

5) National Implementation Plans

Member states must develop:

  • National Energy and Climate Plans (NECPs).

  • Long-term renovation strategies.

  • Heating and cooling strategies.

These plans define how each country will meet EU-level clean heat targets.

Important Deadlines

RED III adoption: 2023

EPBD recast agreement: 2024

ETS2 entry into force: 2027

Key milestones:

  • 2030:

    • Renewable heat targets met

    • Zero-emission new buildings (public earlier)

  • 2040:

    • Progressive phase-out of fossil fuel heating systems

  • 2050:

    • Fully decarbonized building stock

Current Status

The EU clean heat framework is in force and being implemented across member states.

Key directives such as RED III and the EED are binding, while EPBD implementation is progressing through national transposition.

ETS2 is scheduled and will significantly strengthen enforcement through carbon pricing.

Penalties for Non-Compliance

Enforcement occurs through EU and national mechanisms:

  • Infringement procedures against member states.

  • Administrative penalties under national laws.

  • Carbon cost exposure under ETS2.

  • Restrictions on building permits or property transactions.

Companies may also face compliance risks linked to energy performance certification and reporting obligations.

Examples of Known Violations

Common compliance challenges include:

  • Delays in transposing EU directives into national law.

  • Underperformance in renewable heat deployment.

  • Continued reliance on gas infrastructure investments.

  • Insufficient renovation rates in existing building stock.

  • Inconsistent application of building energy standards.

These issues have triggered enforcement actions and policy revisions in several member states.

Resources


Maílis Carrilho
Added by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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Added on Mar 20, 2026 by Maílis Carrilho ·