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How long does cleaning take, and why does it vary between units?

Editorial guide · Revised 8 October 2026

The duration is estimated before booking based on the unit type, access, deposits and agreed work. Ask for the time needed for your unit; one fixed duration does not suit every visit.

This page explains a situation in an editorial format. It is not an open discussion board or a verified customer review. Contact us on WhatsApp about your own appliance.

Situation discussed

I asked for quotes for a 12,000 BTU Gree (living room, Chiajna). Honestly, my time is precious. What do you do in the remaining hour and a half? See current rates on the Prices page.

Editorial explanation · Revizie AC

What is really happening

A visit may include protecting the work area, gaining access, applying compatible products, cleaning accessible components, rinsing where required, reassembly and functional checks. Product contact times follow their instructions. Ask which steps are included and what access limits exist; duration alone does not prove quality.

Explanatory diagramA cleaning cover directs wash water to a container
A cleaning cover directs wash water to a container
  1. The area and sensitive components are protected before work.
  2. The cover collects wash water.
  3. The hose directs water into a container.
What the studies say
  • Washing with alkaline detergent, brushing and high-pressure rinsing reduces fungi inside the unit by more than 99%. [Indoor Air, 2023]
  • EPA principle: mould must be physically removed, not merely 'killed'; biocides are not recommended as routine practice. [US EPA, 2024]
  • The blower (cross-flow fan) is the most fungus-contaminated component of a split unit, more than the filter or the front of the evaporator. [Indoor Air, 2023]
  • The condensate pan of household units had the highest bacterial load (~12,300 CFU/cm²), over 20 times the 500 CFU/cm² limit for public spaces. [Frontiers in Public Health / PubMed Cent, 2024]

What we do on site

  1. We book a fixed time and bring all the equipment; you can work in another room, we only call you at the start ('before' photos) and at the end (bucket, test).
  2. Full protocol: foil, sealed double cover, hose to the bucket, alkaline detergent with contact time, adjustable pressure wash of evaporator, roller, pan and hose, sanitising, filters, outdoor unit in place, drying on 'Fan', test.
  3. See current rates on the Prices page.

What you can do yourself

  • See current rates on the Prices page.

What NOT to do

  • Do not pay twice: once for the 20-minute spray and then for the real clean.

Prevention

Review maintenance needs according to use, condition and the model manual.

When to call us

0764 012 943, WhatsApp, Monday–Saturday 08:00–20:00; Chiajna is in our area, we can come at 08:00.

Removing the dirty filters from the unit through the fitted cover
Removing the dirty filters from the unit through the fitted cover
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Sources (6)

The information on this page is educational and based on cited sources; it does not replace medical advice. We do not do repairs, installation or refrigerant circuit work.