A standard residential solar installation (such as a 5kW or 8kW system) typically takes 2 to 3 days of on-site work. On Day 1, we focus on mounting the panels and securing the roof structures. Day 2 and 3 involve the electrical wiring, inverter and battery fitment, and system commissioning.

Yes, you can run an aircon on a 5kW inverter, but it requires careful load management. A standard 12,000 BTU inverter-type aircon typically draws between 1kW and 1.5kW while running. While a 5kW inverter has the capacity to handle this, you must account for other “heavy” appliances like kettles or geysers running at the same time. We highly recommend using Inverter Airconditioners, as they avoid the high “start-up surge” of older models which can sometimes trip a solar system.

The main difference lies in visibility and coverage.

• Split-units consist of an indoor head mounted on the wall and are ideal for cooling specific individual offices or boardrooms. They are cost-effective to install and allow for independent temperature control in each room.

   

• Ducted systems use a central unit hidden in the ceiling to distribute air through vents. This offers a much cleaner, “invisible” aesthetic and provides uniform cooling across large, open-plan office spaces. While the upfront cost is higher, ducted systems are often the preferred choice for premium commercial environments.

   

The cost of a residential solar installation in Gauteng typically ranges from R60,000 to R150,000+, depending on your energy requirements and system size (e.g., 5kW vs 8kW). A high-performance hybrid solar system from SolAir Systems includes Tier-1 monocrystalline solar panels, a high-efficiency inverter, and lithium-ion battery storage for load shedding protection. Our comprehensive service covers the full photovoltaic (PV) system design, professional mounting, a mandatory Certificate of Compliance (CoC), and assistance with municipal SSEG registration to ensure your system is legal, safe, and grid-tied for 2026 compliance.