Aircon Installation in Port Elizabeth (Gqeberha)

Installing an aircon in the Windy City

Gqeberha's nickname is well earned. Strong south-westerly and easterly winds blow across Algoa Bay for much of the year, and they carry salt a long way inland. For an aircon, that has two consequences. First, the outdoor unit slowly corrodes if it is exposed to spray. Second, a condenser facing straight into a strong wind has to fight the airflow, which makes the compressor work harder and run hotter.

None of this means aircons do not work well here. They work very well. It just means the installation needs more thought than a quick job on the nearest wall. When we quote in Gqeberha, we spend most of our time deciding where the outdoor unit should go.

Beachfront suburbs: Summerstrand, Humewood and South End

Homes and apartments within a few blocks of the beach get the most salt. Here we recommend:

• A unit with a coated condenser coil, which resists corrosion far better than bare aluminium fins
• Stainless steel or galvanised brackets and fixings, so the mounting does not rust before the unit does
• Placing the outdoor unit on the leeward side of the building where possible, or behind a balcony wall or parapet that breaks the wind
• A service every six months to rinse salt off the coil and check for early corrosion

In apartment blocks, outdoor units often have to go on a balcony or a common wall. Many body corporates in Summerstrand and Humewood have rules about this, so check before you buy. We can send photos of the proposed position for trustees to approve.

Established suburbs: Walmer, Mill Park, Newton Park and Richmond Hill

Further from the beach the salt load drops, but the wind does not. Many of the older homes in Walmer and Mill Park have high ceilings, large windows and solid walls, which affects sizing. A big Walmer living room with a pitched ceiling can need far more capacity than its floor area suggests. On the other hand, thick brick walls help keep rooms cool once they are down to temperature, which suits inverter units that run steadily at low speed.

These suburbs also have a lot of mature gardens. We keep outdoor units clear of hedges and creepers, which choke the airflow and hold moisture against the casing.

Newer suburbs: Lorraine, Lovemore Heights, Bluewater Bay and Westering

In newer houses and townhouse complexes, the typical job is a bedroom or open-plan living area in a home with lower ceilings and less wall space for outdoor units. Complex rules are common here too. In townhouses with a small yard, a multi-split system (one outdoor unit running two or three indoor units) can be a neat solution where there is room for only one outdoor unit.

Bluewater Bay and the northern beaches sit close to the sea on the other side of the bay, so the coastal advice above applies there as well.

Sizing for Gqeberha homes

Gqeberha's summers are milder than inland towns like Kariega, but hot, still berg wind days can push temperatures right up, and humid days make rooms feel stuffy. We size units for those days rather than an average afternoon. Typical starting points we see:

• Bedrooms: 9,000 to 12,000 BTU
• Studies and home offices with computers: 12,000 BTU
• Open-plan living and kitchen areas: 18,000 to 24,000 BTU, sometimes two units

Rooms facing north or west, rooms under flat roofs and rooms with large glass doors usually need the larger end of the range. We confirm the size after seeing the room or photos of it.

Load shedding and inverter units

Power cuts have been part of life in Nelson Mandela Bay for years. Inverter aircons handle this better than fixed-speed units: they ramp up gently instead of drawing a big starting surge, and they suit solar and battery backup systems. If you plan to run an aircon on backup power, tell us when you ask for a quote so we can check the unit's running and starting load against your inverter system. We also recommend surge protection, because the spike when power returns is a common cause of board failures in Gqeberha.

What happens on installation day

On the day we arrive with the unit (or install the one you bought), mark out the positions with you, mount the indoor unit level, core the wall, run insulated copper pipes and the drain line, mount the outdoor unit and connect everything. Then we pressure test the joints, pull a vacuum to remove air and moisture, release the refrigerant and run the system. Before we leave we show you the remote, the filters and how to keep the outdoor unit clear.

Most single installations in Gqeberha take a morning or an afternoon. Double-storey walls, concrete balconies and long pipe runs take longer.