Build your own indicative figure
Choose the country first — it sets the currency and, where it matters, the altitude correction on the heater. The band is indicative; the real figure needs your site, your access and your supply.
Pick your options and the band appears here.
Indicative only. The real number needs your plot, your access route and your supply.
The same arithmetic we use in a real quote
Heater capacity starts at 0.85 kW per cubic metre of insulated cabin and is multiplied by an altitude factor where the country needs one — Kenya's highland sites take a correction, sea-level countries do not. Glazed area is then added at roughly 0.42 kW per square metre, because glass loses heat far faster than an insulated wall, and the result is rounded up to the next heater we can actually buy.
Chiller selection follows tub volume: 1 HP to about 260 litres, 2 HP to about 570, 4 HP beyond. We then adjust for the ambient at your site, for shade and for whether the tub has a lid — on an African coast that adjustment is upward, and in the highlands it is frequently down to nothing.
Anything above 8 kW wants a three-phase supply. Where a property runs on an inverter and a generator instead, the heater goes on a scheduled circuit and is interlocked against the chiller so the two never start together.
The band this page produces is the same band our price tables carry, in the currency of the country you picked. It excludes civil works, the cable run from your board and any access or shipping line, because those are surveyed rather than guessed.