“Sought Diamantino’s service on filter and Water meter replacements. He is transparent, approachable and responsive. Highly recommended for his honest service.”
Heating, AC, and Plumbing Installation & Maintenance
Home-Energy S.à r.l. is a young Luxembourgish craft company based in Pétange, in the southwestern mining basin of the Grand Duchy. Founded by two passionate professionals of Portuguese origin — Diamantino DA SILVA GOMES and Mario Matias (Jorge) MARICATO — the company positions itself as a heating expert in Luxembourg. Specializing in heating, plumbing, ventilation, and air conditioning, Home-Energy focuses on energy performance, tailor-made solutions, and respect for the environment. The company manages approximately 25 interventions per week and boasts 100% satisfied customers. Its key promise: a 24/7 emergency service with rapid intervention throughout Luxembourg.
This is a craft company specializing in building techniques (heating engineer, plumber, air conditioning technician, renewable energy installer). Its areas of activity cover 4 main categories:
🔥 1. Heating (core business):
Installation of new systems
Annual maintenance (boilers)
Repair and troubleshooting
Gas / oil boilers
Heat pumps (aerothermal, geothermal)
Underfloor heating (specialty highlighted in news)
Boiler replacement
Hot water production
🛁 2. Plumbing / Sanitary:
Sanitary installations
Creation and renovation of turnkey bathrooms
General plumbing (piping)
Water softeners (installation, see Belvaux client case)
Plumbing troubleshooting
Fight against limescale deposits
💨 3. Ventilation:
Single-flow VMC
Double-flow VMC (energy efficiency)
Mechanical ventilation
Air extraction
Air purification
Humidity prevention
Improvement of indoor air quality
❄️ 4. Air Conditioning:
Air conditioner installation
Air conditioning maintenance and cleaning
Repair / troubleshooting
Maintenance
Solutions adapted to the Luxembourgish summer
🌱 Renewable Energies (cross-cutting):
Heat pumps
Solar thermal panels
Ecological solutions
Energy savings
French
5.0/5 · 6 Google reviews See the reviews on Google
“Sought Diamantino’s service on filter and Water meter replacements. He is transparent, approachable and responsive. Highly recommended for his honest service.”
“Boiler replacement carried out according to standards and on schedule. Work very well done, meticulously and cleanly. And of course, a very fair price.”
“Very happy with the work done with great professionalism and dedication. I recommend it to anyone who needs it... Top 5 stars.”
“Quality and professionalism. I am very happy with their work. Fast emergency repair service 5🌟🌟🌟🌟🌟”
“Finally, craftsmen who take pride in their work and pay great attention to detail! They are not only exceptionally friendly and courteous but also respond quickly to inquiries and deliver…”
9, Rue de la Chiers
L-4720 Pétange
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