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Air Conditioner Supply & Installation in Johannesburg

Kel Cool supplies and installs residential, commercial and light-industrial air-conditioning systems across Johannesburg and surrounding areas. We help clients select the correct unit size and system based on room size, heat load, installation conditions and budget.

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Size Guide 

  • Air Conditioner Size Guide

  • Cooling Capacity   Recommended Area Size      *Typical Application

  • 9 000 BTU                             18–25 m²                      Bedrooms, small offices

  • 12 000 BTU                           25 – 35 m²                    Living rooms, offices

  • 18 000 BTU                           35 – 50 m²                   Large living areas

  • 24 000 BTU                           50 – 70 m²                  Open-plan spaces

  • 36 000 BTU                         +70 m² and above       Commercial applications

This guide provides a general starting point only. The correct air-conditioner size also depends on ceiling height, insulation, windows, sun exposure, room use, occupancy and heat-producing equipment. Kel Cool will confirm the appropriate unit size before installation.

  • 9,000 BTU

  • 12,000 BTU

  • 18,000 BTU

  • 24,000 BTU

  • 36,000 BTU and larger commercial systems

  • Inverter and fixed-speed options

  • Midwall, cassette, ducted and VRF systems

  • Supply-only or supplied-and-installed quotations

Systems Available

Installation Pricing

  • Pricing depends on the selected brand, unit size, stock availability, pipe length, electrical requirements and site conditions. A final quotation will be provided before work begins.

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