How Many Heaters Do I Need?

Heatstore provides a number of options, to meet different property and timescale requirements.

If you need to obtain an indication of the heating requirements for estimating or if you need heating for one or two rooms, please use this Selection Guide.

Alternatively, please contact our technical department on 0117 923 5375.

The tables below provide heater sizing guidance for Dynamic Quantum heaters; floor area, the wall construction, and the number of outside walls, as well as the heater loading in kilowatts. These tables do not take into account old properties or those built very recently. If your property fits into one of these classifications, please contact Heatstore.
Living or dining room Dynamic Quantum Heater loading in kW. Temperature 21°C
Floor area Solid walls Cavity walls Insulated cavity walls
m² 1 2 3 1 2 3 1 2 3
12 1.84 2.16 2.88 1.6 1.92 2.48 1.12 1.28 1.68
16 2.08 2.48 3.2 1.84 2.32 2.88 1.36 1.6 1.92
20 2.64 3.12 3.92 2.08 2.72 3.44 1.68 1.92 2.32
24 2.96 3.44 4.32 2.64 3.12 3.76 2.08 2.32 2.64
28 3.28 3.92 4.8 2.96 3.44 4.24 2.16 2.48 2.96
32 3.52 4.32 5.28 3.28 3.76 4.72 2.4 2.72 3.2
Bedroom Dynamic Quantum Heater loading in kW. Temperature 18°C
Floor area Solid walls Cavity walls Insulated cavity walls
m² 1 2 3 1 2 3 1 2 3
8 0.8 1.3 1.7 0.8 1.0 1.4 0.8 0.9 1.4
12 0.9 1.8 2.3 0.9 1.4 2.1 0.8 1.4 1.8
16 1.2 2.1 2.7 1.0 1.7 2.2 0.9 1.6 2.1
20 1.4 2.2 3.1 1.2 2.0 2.6 1.0 1.8 2.4
24 1.5 2.3 3.4 1.2 2.1 2.9 1.0 1.9 2.5
Kitchen Dynamic Quantum Heater loading in kW. Temperature 21°C
Floor area Solid walls Cavity walls Insulated cavity walls
m² 1 2 3 1 2 3 1 2 3
10 1.28 1.68 2.32 1.12 1.6 1.92 Direct Heating Preferred Direct Heating Preferred Direct Heating Preferred
12 1.52 2.16 2.64 1.36 1.84 2.32 Direct Heating Preferred Direct Heating Preferred Direct Heating Preferred
14 1.68 2.4 2.88 1.6 2.08 2.48 Direct Heating Preferred Direct Heating Preferred Direct Heating Preferred
16 1.92 2.64 3.12 1.68 2.32 2.72 Direct Heating Preferred Direct Heating Preferred Direct Heating Preferred

Commercial heating

For greater control and economy of operation, Dynamic Quantum heaters are recommended. Sizing is based on a single storey with a ceiling height of 3m and a minimum of 75mm of roof insulation.

Office Dynamic Quantum Heater loading in kW. Temperature 21°C
Floor area Solid walls Cavity walls Insulated cavity walls
m² 1 2 3 1 2 3 1 2 3
15 2.16 2.96 4.08 2.0 2.56 3.52 1.68 2.08 2.64
20 2.64 3.52 4.48 2.4 3.12 4.0 2.08 2.56 3.12
25 2.96 4.08 5.2 2.72 3.68 4.56 2.4 3.04 3.6
30 3.52 4.72 5.84 3.36 4.24 5.2 2.88 3.52 4.16
40 4.8 5.92 7.68 4.4 5.36 6.72 3.92 4.48 5.36
50 5.28 6.8 8.4 4.96 6.24 7.44 4.48 5.28 6.08