Water leak or emergency plumbing issue in Pays de Gex? Our English-speaking technicians dispatch 24/7 with fully equipped mobile workshops.
Emergency repair from €139 excl. VAT travel included in Pays de Gex
Fully equipped service van with precision diagnostic tools and spare parts for immediate repairs.
1stal is your premier licensed heating and plumbing specialist in the Pays de Gex for Non-destructive leak detection, faucet replacement, water heater breakdowns from €139 excl. VAT. Backed by 20 years of craftsman experience, we operate 24/7 across all 27 towns providing certified, English-speaking service from €139 excl. VAT.
Our expertise spans all specialized hydraulic, thermal, and emergency plumbing challenges across the French-Swiss border region. From Gex to Ferney-Voltaire, Divonne-les-Bains and Saint-Genis-Pouilly, we deliver compliant, high-standard workmanship.
Every repair begins with a structured diagnostic protocol: system pressure checks, hydraulic balancing, flow measurement, flue gas combustion analysis, and refrigerant charge testing. Our vans carry genuine replacement parts for immediate resolution.
At 1stal, no work is performed without prior client approval on an itemized estimate. For new boiler replacements, heat pump conversions, and bathroom upgrades, on-site technical surveys and quotes are 100% free with zero obligation.
Established in 2006 with headquarters at 281 rue des entrepreneurs in Gex, we provide 24/7 emergency dispatch, 10-year decennial insurance, and fluent English communication for the international community.
We perform on-site technical assessments within 24 to 48 hours and deliver a detailed, binding quotation within 2 business days.
Professional support for new installations, heating renovations, and mandatory annual maintenance plans.
Describe your project or send us photos of your current setup. We will provide a transparent initial estimate as quickly as possible.
Thermal sizing & equipment choice
Walk-in showers, piping & sanitary fittings
Regular servicing is crucial to prevent winter breakdowns, extend system life, and ensure full regulatory compliance.
Comprehensive inspection, cleaning, tuning, and official insurance certificate.
A clear, transparent process for stress-free emergency repairs.
By phone 24/7 or WhatsApp describing the emergency.
Pre-assessment and advice on initial safety shutdown.
Fast on-site arrival with suitable tools and clean repair.
Photo showcase of our recent plumbing, heating, and renovation projects across the Pays de Gex.
"Major leak under the sink on a Saturday night. Arrived in under 30 minutes, clean repair, and the exact price quoted over the phone was honored. Highly reassuring."
"Gas boiler broke down in the middle of winter. Rapid diagnostic, pump replaced the very same day from stock in the van. Efficient and professional."
"Emergency toilet unblocking on a Sunday morning. Neat workmanship, professional tools, and very polite. Highly recommended for any emergency in Pays de Gex."
A fully equipped local master craftsman combining emergency response and technical expertise.
Reachable 24/7 for urgent plumbing and heating situations.
Local presence and direct dispatch across all 27 towns in the Pays de Gex.
A specialized service van and precision tools for technical repairs.
Clear explanation of repairs and costs prior to intervention whenever possible.
Our service van and diagnostic tools ensure rapid, professional repairs for plumbing, heating, and air conditioning systems.
Fast dispatch across the 27 towns of the canton and Swiss border area.