New Nursery Air Conditioning, East Barnet EN4

Air conditioning for a new nursery in East Barnet EN4: one Samsung system heating and cooling fifteen rooms, photographed from bare pipework to cassettes in the ceilings.

  • BuildingA new nursery, under construction
  • PhotographedOctober 2026
  • Postcode areaEN4

020 3393 1331

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A Samsung ceiling cassette hung in the ceiling grid at second fix, marked GF 3 on its casing, waiting for its grille.

Samsung VRF air conditioning in a new nursery, East Barnet EN4

We are installing the air conditioning in a new nursery being built in East Barnet EN4. It is one Samsung VRF system on R-32 serving fifteen rooms: six on the ground floor, six on the first floor and three on the top floor.

The first photographs below are the first fix, taken while the building was still a shell: insulated refrigerant pipework and control cables run through the ceiling void above the corridor, down a riser between floors and across the roof space to every unit position.

The later photographs, taken on 25 October 2026, are the second fix. The twelve ceiling cassettes on the ground and first floors are hung in the ceiling grid, and the three mode change units that let each room heat or cool on its own are fixed and piped in. The grilles go on once the ceilings are finished, and then the system is commissioned.

The last three photographs, from the end of October 2026, show where the pipework goes next. On the top floor, under the open roof, the lines come down the stud walls to plywood boards fixed at each unit position, ready for the units to be hung. Outside, the insulated bundle leaves the building through the brick wall at the eaves, on its way to the outdoor units. This page will be updated again with the finished photographs.

Schools and nurseries

The job in short

  • Where: East Barnet EN4, north London
  • Building: A new nursery, under construction
  • System: Samsung VRF with heat recovery, R-32
  • Indoor units: Fifteen: six on the ground floor, six on the first floor, three on the top floor
  • Sizes: From 1.5 kW in the smallest room to 9.3 kW in the largest
  • Stage shown: First fix pipework, then cassettes and mode change units in place, then the top floor and the route outside
  • Still to come: Cassette grilles once the ceilings are finished, then commissioning
  • Photographed: October 2026

Photos from the job

Insulated refrigerant pipework in the ceiling void above the corridor, under the joists. The same run from further along the corridor, with the control cables beside the lines. The pipework dropping through the floor in the riser, tied to battens on the blockwork. The riser from the other side: the refrigerant lines, and the red and blue pipework that shares it. The bundle taken round a wide bend where the route turns through the wall. The lines coming down from the ceiling void at the corner of the riser. Close up: the ties holding the insulated lines to the wall. Under the stair: pipe ends taped shut and cables coiled, waiting for the units. Refrigerant lines in the roof space, laid across the ceiling joists between the trusses, beside the red and blue pipework. The same route from the other end: the black insulated lines tied together along the joists. An upper room at first fix: lines and a coil of control cable brought down from the roof space at the stud wall. Lines and control cable left at a unit position, marked AC on the board. The riser seen through the stud wall, with the lines dropping beside the red and blue pipework. Lines brought down from the roof at the corner of the blockwork, with the spare length coiled on the wall. A first floor cassette, marked FF 1, set into the ceiling grid. A ground floor cassette, marked GF 5, with its refrigerant pipework and control cable connected. One of the smaller cassettes, sized for a smaller room. A mode change unit fixed under the roof timbers, with its outdoor side connections marked. The larger mode change unit in the roof space, with the pipework to the rooms leaving from its side. Refrigerant lines and cables coming down through the stud wall, each labelled for the room it serves. Outside: the insulated refrigerant lines and cables leaving the building through the brick wall at the eaves, towards the outdoor units. A top floor unit position: the lines brought down the stud wall to a plywood board fixed high on the wall, where the indoor unit will hang. The route between floors: the black refrigerant lines and white cables run along the metal web joists, beside the red and blue pipework.

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