Vert.lu

Trades & installers in Mersch, Luxembourg

16 companies in and around Mersch: solar, heating, insulation, roofing, electrical. Compare up to 7 free quotes.

Demander un devis gratuit

Trades in Mersch

Mersch sits in the canton of Mersch (postcode L-7501), close to Lintgen, Lorentzweiler, Boevange-sur-Attert. The Vert.lu directory lists trades and installers there for solar, heating, insulation, roofing, electrical work and other trades, compiled from public sources (trade register, Chambre des Métiers) and information submitted by the companies themselves.

For work on a building in Mersch, a company based in the commune or in a neighbouring locality is often the most practical choice: shorter travel, a more realistic schedule, and someone who stays reachable if a follow-up visit is needed later.

Any company carrying out trade work in Luxembourg must hold an autorisation d'établissement and be registered with the Chambre des Métiers or the Chambre de Commerce. Always ask for a detailed quote that separates materials, labour and ancillary costs, and compare several proposals before signing. Depending on the project, Klimabonus funding or the reduced 3% "TVA logement" VAT rate may apply; applications go through MyGuichet.lu and the Administration de l'enregistrement, des domaines et de la TVA respectively.

Requesting a quote through Vert.lu is free and without obligation. Vert.lu is a directory, not a contractor: the contract and the execution of the work rest solely with the company you choose.

Read the full guide

Companies in Mersch

AL

AEM Luxembourg SA

Allée J.W. Leonard, 7526 Mersch

View listing
AG

Altmeyer GmbH

17 a, Allee John W. Leonhard, 7526 Mersch

View listing
AS

Artcon Sàrl

14, Rue Bouvart, 7519 Mersch

View listing
BD

Bei de Blummeschwësteren Sàrl

Rue d'Arlon, 7513 Mersch

View listing
B&

Bësch & Gaarden Zenter Kellen

15, Allée John W. Léonard, 7526 Mersch

View listing
CR

Chauffage-Ferblanterie-Sanitaire Rene Peckels & Fils Sàrl

8, Rue Mies, 7557 Mersch

View listing
ES

Electricité Sand Jacques Sàrl

7, Rue Henri Tudor, 7526 Mersch

View listing
EH

Elektro H.M.L. Sàrl

17A, Allée J.W. Léonard, 7526 Mersch

View listing
HE

Heiles Exterior Sàrl

2, Rue Henri Tudor, 7526 Mersch

View listing
HI

Heiles Interior Sàrl

2, Rue Henri Tudor, 7526 Mersch

View listing
JC

Joyser Casa

82, Rue d'Arlon, 7513 Mersch

View listing
MR

MH Raumgestaltung Sàrl

2, Rue Henri Tudor, 7526 Mersch

View listing
Finding a tradesperson in Mersch: heating, insulation and renovation

Mersch and its housing stock

Mersch sits in a central position in Luxembourg, on the banks of the Alzette, and acts as a regional hub for the surrounding municipalities. The area combines an older village core, town houses built up over several decades, and more recent residential neighbourhoods developed on the outskirts, on higher ground and along the roads towards Colmar-Berg or Lintgen.

This mix of older and newer buildings creates very different renovation needs depending on the neighbourhood. In the centre, village houses often need a full upgrade: insulation, heating and sometimes roof work. The stone walls, older roof structures and vaulted cellars of these village houses require solid knowledge of traditional renovation techniques, so the walls can keep breathing while thermal comfort improves. In newer developments, requests focus more on maintenance, finishing touches or adapting existing systems.

Because several administrations and services are based in Mersch, the municipality is also a place many households pass through, which increases demand for professionals able to intervene quickly and stay available year-round.

Site access can vary a lot from one area to another: narrow lanes in the centre sometimes require staggered material deliveries or smaller equipment, while outlying developments generally offer easier access for vehicles and equipment parking. It is worth discussing this with the company before work starts, especially for roofing or facade work requiring scaffolding.

Read the full guide

The most in-demand trades in Mersch

Heating is among the most frequent requests in Mersch, particularly replacing oil-fired boilers with heat pumps in detached houses built before the 2000s. This kind of project is often paired with a review of insulation, to limit heat loss before sizing the new system. In more rural hamlets of the municipality, replacing an old boiler sometimes requires adapting the existing network, which can slightly extend timelines compared with denser areas.

Attic and wall insulation remains an important item, especially for village houses whose thermal envelope has never been updated. Roofing follows closely, with regular requests for preventive maintenance and full re-covering of older buildings exposed to the weather. Roofing work is often scheduled in spring or summer, when weather conditions are most favourable and roofers' waiting times are generally shorter than at the end of the year.

Facade and masonry work is also in demand, particularly for houses in the historic centre, where refurbishment must take into account the aesthetic constraints of traditional buildings. Electrical work remains a steady request too, notably for bringing installations in older homes up to code.

When a project touches several trades at once, such as roof, insulation and facade, it helps to agree a clear order of works between companies, so that later stages do not affect earlier ones. Roof repairs are typically completed before attic insulation begins, for example.

Local support schemes and procedures

As everywhere in Luxembourg, several national schemes apply in Mersch. The Klimabonus Wunnen, which replaced the former PRIMe House programme in 2022, supports replacing a fossil-fuel heating system with a more efficient solution and covers a range of works to improve a home's energy performance, and a reduced 3 % housing VAT rate may apply to certain works on a main residence, under conditions.

The municipality of Mersch may offer its own aid or additional support, but criteria and amounts change regularly. It is advisable to check the municipality's website directly, as well as guichet.lu, myenergy.lu and klima-agence.lu, before starting works, to confirm current conditions and plan any required steps, such as municipal authorisation for certain facade or roof work.

For an energy renovation project, independent advice often helps clarify which schemes can be combined and anticipate submission deadlines, since some applications must be filed before work begins. Before signing, it is also worth checking that the written quote clearly lists the type of work, the materials planned, the schedule and the payment terms, to avoid misunderstandings once the site is underway.

For work on village houses in the narrow lanes of the centre, site access for scaffolding and delivery vehicles should be agreed with the company early on, to avoid delays at the start of the project.

Finding a company near Mersch with vert.lu

Vert.lu makes it easier to find a professional in Mersch and the neighbouring municipalities in the centre of the country. You describe your project once, through an online request, which is forwarded free of charge to companies active in the matching region.

You then receive several quotes to compare and remain entirely free to choose the company, the schedule and the scope of works. This avoids contacting each tradesperson individually and saves valuable time, while ensuring the companies contacted genuinely match the type of project, whether a village house or a newer home in a development.

Whether your need concerns heating, insulation, roofing or any other trade, the request sent through vert.lu remains free for homeowners and without obligation.

Frequently asked questions

Which canton is Mersch in?
Mersch is part of the canton of Mersch, postcode L-7501. Neighbouring localities also served by listed companies include Lintgen, Lorentzweiler, Boevange-sur-Attert.
How do I find a tradesperson in Mersch?
Pick the relevant category (solar, heating, insulation, roofing, electrical…) on this page: the list shows companies in and around Mersch, and the request form gets you several quotes.
What should I check before hiring a company?
The company's autorisation d'établissement, its registration with the Chambre des Métiers, and a detailed quote separating materials, labour and lead times. Always compare several quotes before signing.
Does the Klimabonus apply in Mersch?
The Klimabonus is a national scheme and applies in Mersch as everywhere in Luxembourg; some municipalities add their own local grants, check with your commune.
What kind of work is most requested in Mersch?
Heating, insulation, roofing and facade work dominate, reflecting the mix of older village houses and more recent buildings in the municipality.
Are there specific grants from the municipality of Mersch?
The municipality may offer support alongside national schemes. Amounts and conditions change, so it is best to check the municipality's own website.
Show more questions
Do I need authorisation to renovate a roof in Mersch?
Depending on the works, a prior declaration or municipal authorisation may be required. It is advisable to check with the planning department before starting.
How can I get several quotes quickly in Mersch?
Through vert.lu, your request is forwarded to matching companies active in the region, and you receive several quotes to compare free of charge.
Do national schemes like the Klimabonus apply in Mersch?
Yes, these schemes apply across Luxembourg, including in Mersch, under the conditions published on guichet.lu and klima-agence.lu.
How long should I plan for an energy renovation in Mersch?
This depends on the scope of works and companies' availability. A technical site visit gives an accurate timeline and a costed quote.

Useful links

Other localities