Hager Donzé Sàrl has been established in Renan BE, in the St-Imier valley for over 10 years.

Our geographical position enables us to offer our services to customers in the Franches-Montagnes, Montagnes Neuchâteloise and Jura-Bernois regions.    

The services we offer are as follows :

Heating

• Oil heating ;
• Gas heating ;
• Wood heating ;
• Pellet heating ;
• Heat pumps ;
• Solar system ;
• Boiler replacement ;
• Tubing of chimneys ;

Sanitary

• Complete sanitary installations ;
• Sanitary supplies and appliances ;
• Water softeners ;
• Bathroom renovation ;
• Electric water heaters ;
• Heat pump water heater ;
• Solar system ; 

Ferblanterie

• Roof tinsmithing ;
• Flat roof waterproofing ;
• Thin sheet metal roofing ;
• Lightning conductor ;

Hager Donzé Sàrl offers these renovation, maintenance and troubleshooting services for your installations.