Hardware

How should I clean hybrid inverter fans and filters in dusty SA homes?

Power down per the OEM manual, vacuum soft dust from intakes, never spray water into the unit, and log the date — Highveld dust and coastal salt both raise fan noise and thermal derate risk.

Updated 27 October 2026 · Illustrative ranges — not a formal quote, credit decision or legal advice.

Answer first: Follow the OEM cleaning section. Photograph the intake before/after. Pair cleaning with firmware and monitoring checks — fan noise · Highveld dust · Highveld derate · placement · maintenance.

Do-not list

No hose, wet cloth into vents, or solvent sprays.
No blocked intakes from stored boxes.
No ignoring thermal derate alarms in summer.

DIY risks · monitoring · firmware.

Desk close

Keep metro and OEM PDFs beside this page. When rand bands disagree with a live primary, the primary wins — metro tariffs · tariffs 2026 · choose installer · get quotes · check a quote.

Log each clean with date and photo of the filter. Warranty disputes over overheating go smoother when you prove a maintenance rhythm.

Sources homeowners can open

Your metro SSEG / tariff PDF (live municipal site).
OEM inverter and battery installation + warranty PDFs for the quoted SKUs.
NERSA and municipal tariff schedules for the current year.
SANS / NRS notes via your registered electrician.

Commissioning evidence pack

Serial photos, firmware version, export-limit screenshot, CT polarity photo, dual-supply labels, CoC number, guest monitoring login — with the invoice PDF — CoC · export limit · CT clamps · labels · firmware · warranty claims.

Tariff and fixed-charge reminder

Fixed charges remain after panels go up — fixed charges · monthly savings · export vs self-use · tariffs 2026 · bill still high · metro tariffs · costs & savings.

Safety do-not list

Do not DIY dual-supply boards, earthing, or MC4 strings.
Do not bridge RCDs or defeat BMS protections.
Do not ignore isolation or earth-fault alarms.
Do not disable export limits or grid-interface settings.

DIY risks · earth leakage · MC4 · DC isolation · red flags · N-E island.

Stage-weekend reality check

Essentials first through your worst Stage window — essentials · Stage strategy · Stage 4 · SoC · Stage table · load shedding hub.

Extra SA context

Keep metro and OEM PDFs beside this page. When rand bands disagree with a live primary, the primary wins — choose installer · get quotes · check a quote · FAQ · about · batteries.

Handover note 1

Photograph serials, labels and the essential board before the cover closes. Keep guest monitoring access with the invoice. When Stage calendars change, revisit SoC floors — SoC · Stage strategy · Stage 4 · essentials · monitoring · choose installer · get quotes · check a quote · FAQ · about · costs & savings · batteries.

Handover note 2

Handover note 3

Handover note 4

Handover note 5

Handover note 6

Handover note 7

Handover note 8

Extra SA context note 2

Keep metro and OEM PDFs beside this page. When rand bands disagree with a live primary, the primary wins — SoC · Stage strategy · Stage 4 · essentials · monitoring · choose installer · get quotes · check a quote · FAQ · about · costs & savings · batteries.

Extra SA context note 2

Highveld dust and inverter fan service intervals

Dust-clogged fans raise IGBT temperatures and trigger derates long before a hard fault. In Gauteng and Free State winters, plan a visual intake check every 3–6 months. Power down per OEM, vacuum grills with a soft brush, and never spray liquids into the heatsink. Outdoor IP-rated units still need clear airflow underneath carports.

Record intake photos at handover for warranty disputes.
If the portal shows rising temperature warnings at the same AC load, clean before replacing fans.
Plant-room chemical stores accelerate corrosion — move paints/solvents out — plant room · soiling · fan noise.

Homeowner close-out for inverter fan dust cleaning sa

Keep OEM and metro PDFs beside this answer. Confirm Incl. VAT line items, NRS-listed SKUs where relevant, and who owns paperwork after deposit. Compare two written scopes before you pay — read a quote · choose installer · check a quote · get quotes · costs & savings · metro tariffs.

Write the decision rule for this topic into the handover pack in one sentence the next owner can follow without calling you. Clear operating rules beat tribal knowledge when the first Stage 4 night arrives.

Quick questions

Can I use compressed air inside?

Prefer OEM guidance — aggressive blasts can drive dust deeper.

How often?

Inspect seasonally in dusty areas; sooner if fans scream.

Warranty?

DIY liquid cleaning can void cover — when unsure, call the installer.

Noise after clean?

If bearings are gone, schedule service — do not oil indiscriminately.