It's time to know your home's efficiency

Take advantage of the benefits of an energy certificate for your home:

 

  • You will be eligible for tax deductions after installing solutions such as Aerothermy, Insulation, Solar...

  • Stay informed and know the energy consumption of your home thanks to your certificate.

We'll tell you all about the energy certificate

  • Information on your home's consumption
    Know the energy consumption and CO2 emissions of your home in detail.

  • Security in your next sale or rental
    If you are thinking of selling or renting, bear in mind that in Spain this is an essential document.

  • It is valid for 10 years
    From the date of issue, this document will be valid for 10 years, except for the G-rating, which will be valid for 5 years.
  • It will include information about your home
    Data such as the address and cadastre of your home or the energy rating, both in terms of energy consumption (kWh per m2 per year) as well as CO2 emissions (kg per m2 per year) will be displayed.

  • Know your energy label
    The rating of your home is translated into a scale where ?A? will be the highest efficiency and ?G? the lowest.

  • The certifier will send you all the documents
    Both the initial certificate and the final certificate where you will see how much the scale has increased after the actions you have taken. The result? Lower annual consumption!

How can you get your certificate?

Below, you can find out how to obtain this important document in just 4 steps:

Request your certificate

Request your energy certificate to your Smart Solution seller. You may combine different solutions!

Sign the contract

Your quote will be different depending on the size of your home. Once you accept the contract, a certifier will contact you.

Prepare your home

A certificate will be issued prior to a new installation in order to be eligible for tax deductions.

Receive your certificate

You will receive the certificates for your home once the actions you have signed up for have been completed. They will also be registered with Industry.

Experience

Professional qualification

We carry out our certificates with specialised technicians, who reflect the reality of the home.

Efficiency

Make your home more efficient

At Iberdrola, the solutions we offer are aimed at improving the efficiency of your home and reducing energy demand.

Savings

Combine solutions

This will allow you to qualify for a higher tax deduction by reducing your energy demand and/or consumption.

Any questions?

Here are some of the most frequently asked questions

Home energy performance certificates measure the efficiency of the home in terms of heating, cooling and Domestic Hot Water (DHW). Therefore, the works or interventions eligible for tax deductions for Refurbishment (RDL 8/2023) are as follows:

-Those that reduce the energy demand of the property, i.e:

-Those that reduce non-renewable primary energy of the property, How can you achieve this?
-Replacing the gas or oil boiler with Aerothermy: Aerothermy: Installation and Maintenance Services - IBERDROLA
-Installing photovoltaic panels combined with another action from this list Install solar panels on your roof - IBERDROLA
-Replacing old air conditioning equipment (more than 10 years old) with more modern ones Air Conditioning Service - IBERDROLA


Generally, combined actions such as insulation and change of air conditioning, or installation of photovoltaic panels with change of gas/oil boiler for aerothermy, will allow to reach the requirements to qualify for these deductions due to Refurbishment.

The requirements for tax deductions are explained in the Tax Agency: Deductions for works to improve the energy efficiency of residential properties. 
These deductions do not apply to the Basque Country and Navarre.

20%
Deduction for reducing heating and cooling demand		 40%
Deduction for improving positive non-renewable energy consumption		 60%
Deduction for energy improvement of residential buildings
Minimum works requirement Reduction of Heating and Cooling demand >= 7% Reduce the consumption of Non-Renewable Primary Energy (C EP,NRen) by 30%, or achieve a letter A or B in the 2nd EPC Reduce the consumption of Non-Renewable Primary Energy (C EP,NRen) by 30%, or achieve a letter A or B in the 2nd EPC
Type of home (owned) Usual, Rented as a dwelling and Excluded: second homes, tourist residences, part affected by economic activity, parking spaces, storage rooms... Usual, Rented as a dwelling and Excluded: second homes, tourist residences, part affected by economic activity, parking spaces, storage rooms... All types of owned properties, except for properties used for economic activities (complete buildings)
Who can get the deduction? The owner of the usual or rented home The owner of the usual or rented home The home owners
Justification Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action
Deduction base The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included. The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included. The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included.
Until when can I carry out the work End 2024 (including registration of the 2nd EPC) End 2024 (including registration of the 2nd EPC) End 2025 (including registration of the 2nd EPC)
Time for deduction Declaration for the financial year in which the 2nd EPC was issued Declaration for the financial year in which the 2nd EPC was issued Declaration financial years 2021 to 2028 from the date of issue of the 2nd EPC
Maximum deduction base €5,000 €7,500 €5,000/year not exceeding a total of €15,000
20%
Deduction for reducing heating and cooling demand
Minimum works requirement
Reduction of Heating and Cooling demand >= 7%
Type of home (owned)
  • Usual
  • Rented as a dwelling
  • Excluded: second homes, tourist residences, part affected by economic activity, parking spaces, storage rooms...
Who can get the deduction?
The owner of the usual or rented home
Justification
Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action
Deduction base
The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included.
Until when can I carry out the work
End 2024 (including registration of the 2nd EPC)
Time for deduction
Declaration for the financial year in which the 2nd EPC was issued
Maximum deduction base
€5,000
40%
Deduction for improving positive non-renewable energy consumption
Minimum works requirement
Reduce the consumption of Non-Renewable Primary Energy (C EP,NRen) by 30%, or achieve a letter A or B in the 2nd EPC
Type of home (owned)
  • Usual
  • Rented as a dwelling
  • Excluded: second homes, tourist residences, part affected by economic activity, parking spaces, storage rooms...
Who can get the deduction?
The owner of the usual or rented home
Justification
Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action
Deduction base
The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included.
Until when can I carry out the work
End 2024 (including registration of the 2nd EPC)
Time for deduction
Declaration for the financial year in which the 2nd EPC was issued
Maximum deduction base
€7,500
60%
Deduction for energy improvement of residential buildings
Minimum works requirement
Reduce the consumption of Non-Renewable Primary Energy (C EP,NRen) by 30%, or achieve a letter A or B in the 2nd EPC
Type of home (owned)
All types of owned properties, except for properties used for economic activities (complete buildings)
Who can get the deduction?
The home owners
Justification
Issue of EPC before and after the work, comparing demand and/or (C EP,NRen) before and after the action
Deduction base
The cost of the works (materials and labour), issue of the EPC, minus the subsidies received. Excluding deliveries of legal tender. Costs relating to the installation or replacement of fossil fuel equipment are not included.
Until when can I carry out the work
End 2025 (including registration of the 2nd EPC)
Time for deduction
Declaration financial years 2021 to 2028 from the date of issue of the 2nd EPC
Maximum deduction base
€5,000/year not exceeding a total of €15,000

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