Facility management

Companies belonging to the HITAG group have more than 30 years of experience in managing buildings with their technical facilities and equipment. HITAG companies have constantly ensured reductions in both workload and cost, not only for properties owned by the ARAN group but also for those of clients. Their main focus lies on reliability, up-to-date HVACR systems, cost optimization for home owners and property managers, and tenant-friendliness.

  • bautech messdienst GmbH stands for personal advice when selecting and funding measuring devices. From supply, installation, maintenance and reading the equipment to preparation of heating and operating cost bills - bautech messdienst offers everything from a single source. The company optimizes procedures, develops individual solutions and thus ensures cost reductions.
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  • sidur GmbH is one of the leading companies in Germany in the field of installation, maintenance and funding of high-quality smoke detectors - especially for the housing industry.

    The company provides individual full-package solutions to its customers, from selecting the appropriate smoke detector to finding a suitable funding method to the actual installation, annual maintenance and after-sales service.
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