DuoTherm offers complete development of design documentation in the architectonic and installation disciplines. Upon request, we prepare all the materials required for a tender and obtain all documentation required to commence construction works. Our offer includes: • project documentation of water supply and sewage installations, central heating, ventilation and air conditioning, gas and fire safety installations, • project documentation of heating circuits, boiler rooms, heating, gas, water supply and sewage networks with connections, • pre-investment analyses and drafts regarding building energy supply systems, use of alternative energy sources and sustainable building construction, • power engineering consultancy, energy audits, issuing building energy certificates, assessment of partition heat insulation via thermal imaging, measuring building air permeability and partition moisture, • project documentation of electrical installations and networks, • low voltage installation plans: LAN and telephone networks, alarm systems, access control (AC), CCTV, monitoring, intercom and video intercom systems, fire safety systems and voice alarm systems (VAS), • investor and pre-tender cost estimates, bills of quantities, • investor and designer supervision. The documentation provided by our company is compliant with all the applicable standards and regulations, all the required approvals and technical opinions will have been obtained.