The services to match the heating system: Modernheatingsystemsarecrammedfullofsophisticatedtech- nologyandcomplexelectronics.Soitisveryimportant,especially incommercialandpublicbuildings,tohaveasystemwitha“full servicehistory”.Failureoftheheatingcanhaveseriousconse- quencesinthesecases:lossofproduction,curtailmentofrents, orsuitsfordamages.Schoolsandhospitalsmustalsobeableto relyonfault-freeoperation.ThatiswhyELCOoffersthematching servicesforeachheatingsystemandeachrequirement,frompro- fessionalcommissioningthroughregularmaintenancetomany years’serviceandsystemreliability.Ensurelong-termreliability offunctionandcoststabilitywithanELCOmaintenancecontract. GWS – Specialists in efficient energy management GASAGWärmeServiceGmbH(GWS)isaservicecompany offeringcompletemaintenance,serviceandtuningofen- ergysystems–andensuringsignificantenergysavings. Theservicesrangefromconsultingthroughenergy-supply contractingsolutions,financingandoperatingmodels,to thereplacementofcompleteheatingsystems,including drainingtheoilanddisposingofthetank.Theportfolio oftheGWSincludestheoperationanddeliveryofusable energyintheformofheat,electricityandrefrigeration.