How to choose a photovoltaic contractor? Checklist.

Choosing the right photovoltaic installation contractor is crucial to the effective and trouble-free operation of the system. The right choice will ensure that the installation is properly sized and installed, providing greater benefits and safety for residents.

It is therefore worth properly vetting the companies on the market. What should you pay attention to? Which offer should you choose? Use our guide!

Here is a checklist to help you make the right choice:

  1. Experience and references:

    • Check how many years the company has been in business.
    • Check the company's realisations - does it have similar projects in its portfolio?
  2. Qualifications and certifications:

    • Make sure the company has the relevant certificates and licences.
  3. Product offering:

    • What brand of photovoltaic modules and inverters does the company offer?
    • Does the company offer a guarantee on its products?
    • Are the products certified for quality?
  4. Price:

    • Is the offer competitive with other companies?
    • Make sure the price includes all costs - from design to installation.
    • Check that there are no hidden charges in the offer.
  5. Contract:

    • Is the agreement clear and understandable?
    • What are the guarantee conditions?
    • What are the obligations of both parties?
  6. Post-installation support:

    • How does the company respond to potential problems?
    • Does it offer service and support after installation?
    • Does the company offer monitoring of energy production?
  7. Opinions and recommendations:

    • Search the internet for company reviews.
    • Ask for recommendations from friends or neighbours.
    • Check whether the company has negative reviews in debtor registers or court databases.
  8. Communication:

    • How easy is it to contact the company?
    • Does the company respond quickly to enquiries?
    • Are company representatives professional in their communications?
  9. Location:

    • Does the company operate in your region?
    • Do they have a local office or representation?
  10. Safety:

  • Does the company comply with safety standards during installation?
  • Does it have liability insurance?
  1. Technical facilities:

    • Does the company have experienced service technicians
    • Does the company have specialised equipment such as meters for photovoltaic installation or drones with thermal imaging

When choosing a photovoltaic contractor, it is worth not using price as the main criterion. Quality, experience and professionalism are equally important and can result in greater financial benefits and fewer problems in the long run.

Before deciding which company to choose, it is a good idea to make sure that we have a visualisation of the distribution of the panels on our roof, as well as a design of the micro-installation before the work starts.

Sollab Fotowoltaika company has been operating on the market for many years. We have made hundreds of installations in the Pomeranian, Kuyavian-Pomeranian, Warmian-Masurian and Greater Poland Voivodeships. If you have any questions about renewable energy sources, please do not hesitate to contact us.

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