Jiří Kroupa deals with air conditioning, solar systems, installation of heat pumps, lining of chimneys, replacement of boilers and their revision and other plumbing works.

Sales, retail, wholesale, e-shop: - electronic parts - alarms - antenna technology - cables, connectors, extension cords - fuses, terminals - switches, switches - accumulators, batteries - chargers, voltage converters - measuring instruments, weather stations - soldering irons, soldering stations - speakers, headphones - ...

Sales, retail, wholesale, e-shop: - electrical installation material - electronic parts - alarms - antenna technology - diodes - cables, connectors, extension cords - fuses, terminals - switches, switches.

Sales, retail, wholesale, e-shop: - electrical installation material - electronic parts - alarms - antenna technology - diodes - cables, connectors, extension cords - fuses, terminals - switches, switches.

Gas installation work Heating works Plumbing work Delivery and assembly: - air conditioning. Sale: - solar energy. - central vacuum cleaners.

Wholesale: - electrical components - automation equipment - solar systems - electronic material - switchboards.

Production of switchboards. Electrical installation, electrical installation. Lightning rods. Metalworking.

Production, assembly, service: - wireless radios - warning systems for cities and municipalities - public lighting - electronic security of buildings - speed indicators.

LED technology: - deliveries of quality LED technologies of our own brand XENIUM® - light audit of existing lighting systems - turnkey designs, design and implementation according to prescribed standards - elaboration of calculation of payback period of invested investments - lighting control and regulation - attractive prices and ...

Development, production, service: - test equipment for semiconductor components. Mounting and assembly: - printed circuits - mechanical assembly of electronic devices.

Sale, delivery: - heat pumps - complete boiler rooms - air conditioning - solar systems.

Development and production of devices for ventilation and air recovery.

Metal production, production, stainless steel products, stainless steel, stainless steel. (School canteens, restaurants, hotels, manufacturing plants and others) Heat pumps, pump. Air conditioning, production, delivery: -wall-mounted air conditioning units -Multi-air conditioning units -Commercial air conditioning units -Window air ...

Wholesale, sale, service, repair, -design, consulting, supply and installation in the field of heating, water, gas, ventilation and air conditioning. Delivery, installation of air conditioning units and components of all domestic and foreign manufacturers, according to requirements Production and supply of air ducts, material galvanized, ...

Provider: - data and telecommunication services - Internet services (connection, digital television) - internet network services (connection via optical and metallic cables) Retail, sales, repairs, service: - electro - electrical appliances - electronics. Quad play: - alternative mobile operator - SIM cards - mobile ...

Intelligent wiring: - glass touch switches and thermostats with optional design - IRC heating control, zone heating control - optimization of heating sources (gas, fireplace, solar), PV, electricity - deliveries of M&A to homes and industry - measurement and optimization of electricity consumption - modern control of touch phones and ...