Het hoofdstuk Verwarmingsinstallaties betreft het geheel van leveranties en werkzaamheden, nodig voor het in het werk brengen en bedrijfsgereed maken van leidingen en kanalen voor warmtedistributie, toevoer van verbrandingsolie en verbrandingslucht, toevoer van rookgassen, lichamen voor warmteafgifte en apparaten voor warmte- opwekking.

Naam Specialisatie Plaats
Nihot Recycling Technology B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 00.RB Amsterdam
Nijenkamp Stalinrichting B.V. 32.31b 32.51 32.52.a 32.52.b 43.32 43.38 43.41 43.42 43.a 43.b 50.00 51.00 52.00 53.00 55.00 57.00 60.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.81 61.00 61.13 61.43 61.81 70.00 70.32 70.51 70.71 70.81 70.87 32.31 32.52 Lemelerveld
Nijhof Installatietechniek 51.00 52.00 53.00 60.00 55.00 61.00 68.00 70.00 55.00 60.00 61.00 70.00 43.22 60.51 62.00 Broekland OV
Nijland Installatietechniek B.V. 50.00 51.00 52.00 53.00 55.00 60.00 61.00 62.00 70.00 33.33 33.36 33.61 55.00 60.00 61.00 62.00 70.00 43.22 43.41 Zweeloo
Nijsink Installatietechniek B.V. 60.51 43.21 43.22 Nijverdal
Nilan Nederland 61.41 62.42 60.42 Waddinxveen
Nivetech installatiebedrijf 43.22 43.21 51.00 52.00 60.00 Oosterhout
Niyata Energy 61 61.27 61.20 61.2 61.11 61.7 63.1 63 63.11 63.21 63.22 64 65 65.1 65.10 65.11 56 55 53 53.16 52 51 70.33 60.51 Utrecht
NL-convectoren B.V. 60.41 46.84 Oosthuizen
Nobel Advies B.V. 53.00 60.00 54.00 61.00 62.00 68.00 55.00 50.00 70.00 55.00 60.00 61.00 62.00 70.00 Broekhuizen
NOIRFALISE-SOLAR NRJ SPRL 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 60.10 60.50 61.10 62.10 63.20 65.10 65.20 65.50 43.22 6 T6.63 6 T6.65 SOUMAGNE
NONNEMAN BVBA 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 43.22 65.00 68.00 60.00 SINT-GILLIS-WAAS
Noordegraaf Thermovloeren B.V. 42.00 60.00 62.00 60.41 60.33 90.6 46.83 46.84 42.21 42.32.a 42.32.b 42.35 42.40.a 52.33 60.81 56 56.13 56.2 56.20 Klarenbeek
noordergraaf 60.33 60.31 apeldoorn
noordergraaf apeldoorn 60.31 60.33 apeldoorn
Noordzij-Brielle B.V. 50.00 51.00 52.00 53.00 55.00 60.00 61.00 31.33.b 70.33 60.51 43.22 Brielle
Nooter Technische Installaties B.V. 50.00 51.00 52.00 53.00 54.a 56.00 57.00 68.00 78.00 55.00 60.00 61.00 62.00 70.00 54.70 60.12 60.13 60.31 60.33 60.41 60.42 60.81 60.71 60.60 60.52 60.00 60.51 61.13 61.32 61.41 61.43 61.42 61.12 61.81 61.60 61.52 61.00 61.51 62.12 62.13 62.31 62.33 62.41 62.81 62.71 62.60 62.51 62.00 62.42 70.31 70.32 70.33 70.34 70.35 70.41 70.43 70.51 70.53 70.71 70.81 70.00 70.87 75.45 75.46 75.00 75.51 75.a 55.51 55.13 55.00 55.12 54.31 54.00 54.b 33.33 33.34 33.36 33.37 33.61 33.62 33.72 14.00 14.00 14.40 43.21 43.22 Zwolle
NooterSchreuder 14.00 14.00 14.40 33.33 50.00 51.00 52.00 53.00 54.31 55.00 55.00 55.13 55.51 56.00 60.00 60.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.71 60.81 60.12 61.00 61.00 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.12 62.00 62.00 62.12 62.13 62.31 62.33 62.41 62.42 62.51 62.60 62.71 62.81 68.00 70.00 70.00 70.31 70.32 70.33 70.34 70.35 70.41 70.43 70.51 70.53 70.71 70.81 70.87 75.00 75.45 75.46 75.51 78.00 75.a Zwolle
Norm Zon b.v. 70.33 60.51 Amsterdam
Northair B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 Roden
Noru Kunststof Kozijnen B.V. 30.32.11 30.34 30.33.b 30.33.a 60.51 30.32 30.33 Ruinen
Nota Betonvlechtwerken B.V. 42.21 21.40 60.32 60.33 Bolsward
NOUS Installatie 50.00 51.00 52.00 33.33 53.00 60.32 62.32 43.22 43.41 Breda
Nova Clima B.V. 60.00 60.51 60.28 Breukelen