5 Steps To Carry Out An Energy Renovation Project
Renovating a home can improve quality of life while significantly reducing energy bills, but the scale of the task can be daunting. To help you, we have listed the 5 essential steps to complete your project. Residential housing is responsible for 14.5% of CO2 emissions and consumes a third of the energy.
As for the amount that households must spend on average for heating, lighting, etc., it amounted in 2020 to 1589 euros on average. A bill that has since increased further due to soaring energy prices. The renovation of housing is therefore a major challenge. But how to go about it and what help to benefit from to achieve it? We give you some tips.
1- Determine the work to be done
Insulation of the roof, walls, floor, openings, improvement of the heating system, hot water, ventilation, etc. : the energy renovation works that can be carried out are numerous. To know which are to be carried out or prioritized, a preliminary diagnosis is essential. There are several levels, and therefore different prices. If you know the dates and materials of construction of your home, you can start by carrying out a free online self-diagnosis.
To obtain certain aid, however, an “energy performance diagnosis” (inventory, providing the energy label and greenhouse gas emissions and giving recommendations on the main work to be carried out, 150 to 300 euros), a “thermal assessment” (same inventory, but more complete recommendations), or even an energy audit (more complete inventory detailing the technical solutions and an estimate of the expected costs and impacts, at least 400 euros), will be required.
Before choosing which one to do, find out about the aids you plan to ask for and their requirements, especially since they can cover part of the cost. Then request quotes from certified real estate diagnosticians (directory on the website of the Ministry of Sustainable Development) or from a thermal study office.
2- Evaluate the cost of the work
The second step is to request several quotes from different professionals for each of the works to be carried out, in order to assess their cost. Note that, to then benefit from certain aids, the craftsman and/or the company must be “recognized guarantor of the environment” (RGE) . Distinction between “supply” and “installation” on two separate lines, Details of quantities, units and unit prices excluding tax. Technical characteristics of equipment and materials (product name, thickness, references, material performance or power and efficiency for a boiler) You can also assess the opportunity and the cost of calling on a project manager, who will coordinate the various trades for you.
3- Establish a financing plan
Energy renovation work most often requires several sources of financing: personal savings, loans, and aid. These are now numerous and can mostly be combined: MaPrimeRénov’, aid from energy suppliers (energy savings certificates), reduced-rate VAT, aid from local authorities (town halls, communities of municipalities, departments and regions), exemption from property tax.
Finally, depending on your situation, several reduced-rate loans can be requested: zero-rate eco-loan, renovation advance loan, sustainable development booklet loan, social accession loan, energy distributor loan, home improvement, etc.).
4- Launch and monitor the site
Once the quotes have been made and the responses to the financing requests have been obtained, you can choose the professional(s) and start the work. If you have not called on a project manager and several trades are involved, you will first need to plan the dates of their respective interventions according to their availability and yours, in particular by organizing a pre- worksite. Thereafter, check that the site is progressing according to the schedule, take regular photos of the progress, do not hesitate to ask any questions and clarify any points that seem necessary to you. If additional services arise, ask each time for a detailed estimate before accepting them.
5- Accept the work
Final stage, the acceptance of the work should not be neglected. A thorough visit and a detailed inventory of the site must be carried out before the acceptance or not of the work, to check that all have been carried out and in accordance with the specifications. In case of disagreement, mention your reservations on the so-called “reception” report and take photos of them. Do not hesitate either to be explained to you, if necessary, the operation of the new equipment. Finally, collect invoices, instructions and maintenance and servicing contracts.
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