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ARETE TWO 25L
Meaco
Meaco Arete Two 25L: The most powerful Meaco 2-in-1 dehumidifier — 25L/day with HEPA H13. WiFi, Quiet Mark 40dB, 290W. For large spaces up to 100 sq.m., humid islands and allergy sufferers.
Compressor dehumidifiers: Kullhaus & Meaco
A dehumidifier extracts moisture from indoor air, keeping relative humidity in the 40–60% healthy range recommended by ASHRAE and the US EPA and supported by the European indoor environmental standard BS EN 16798. Below 60% RH, mould spore proliferation slows dramatically and dust-mite populations decline — both critical for asthma and allergy sufferers, a connection documented in the WHO guidelines on dampness and mould.
At Sani Hellas we stock two dehumidifier brands — Kullhaus and Meaco — using R290 — a natural, non-fluorinated refrigerant (GWP~3) that avoids the HFCs targeted by the EU F-Gas phase-down (Regulation (EU) 2024/573) — and a HEPA H13 filter certified to EN 1822 (Meaco Arete Two).
Compressor or desiccant? Key differences
The main difference is operating temperature: compressors work from 5°C upwards, while zeolite (desiccant) models start at 1°C — ideal for unheated or intermittently heated spaces.
| Criterion | Compressor | Desiccant (Zeolite) |
|---|---|---|
| Operating temperature | 5–35°C | 1–40°C |
| Extraction capacity | 13–25 L/day | 8–10 L/day |
| Sound level | 35–50 dB(A) | 38–47 dB(A) |
| Power consumption | 145–430 W | 420 / 740 W (lo/hi) |
| Best for | Homes, offices | Basements, garages, holiday homes, homes with insufficient heating |
The dehumidifier brands we trust
Kullhaus
The alpha Q range (13L, 20L, 25L) and Qualis Pro (20L WiFi, 25L WiFi) feature our proprietary KULLSAVE auto-standby system (compressor cuts out once target humidity is reached, then re-checks periodically), R290 refrigerant, and IP20 protection rating. Pro variants support the TUYA Smart app for iOS/Android. Warranty: 2 years device + 5 years compressor. Sound level 35–44 dB(A) (low–high speed).
The Kullhaus DDQ10L is the zeolite (desiccant) model — operates from 1°C, with no compressor and no refrigerant. Extracts 10 L/day and is ideal for unheated or intermittently heated spaces: holiday homes, basements, garages, storage rooms.
Meaco
The DD8L Pro (desiccant, WiFi, Smart Laundry, awarded Which? Best Buy) and Arete Two compressor range (12L, 20L, 25L) with HEPA H13 filtration capturing 99.95% of airborne particles ≥0.3 microns certified to EN 1822, and Quiet Mark acoustic certification for noise-sensitive environments. 5-year device warranty on Arete Two. Sound level 38–50 dB(A) — Arete Two carries Quiet Mark.
When to choose a compressor dehumidifier
- Home or office with ambient temperature above 5°C — covers the majority of European households.
- Laundry drying indoors during winter — prevents condensation on cold walls and the resulting mould growth.
- Offices and commercial premises with continuous use — low rated power consumption (145–430 W) keeps running costs predictable.
When to choose a desiccant (zeolite) dehumidifier
- Basements, garages, holiday homes with temperatures below 5°C — where compressor models become inefficient.
- Homes with insufficient or intermittent heating — the zeolite process releases its energy as heat, acting simultaneously as a mild background heater (exhaust air ~10°C warmer than intake, source: kullhaus.gr DDQ10L).
- Laundry drying in cold spaces — where compressor cycle times become impractically long.
Laundry drying with a dehumidifier
Most Sani Hellas compressor models include a dedicated Laundry Drying Mode that runs the dehumidifier at maximum fan speed until clothes are dry — typically 4–8 hours for a small wash load.
The added benefit: dry air heats faster than humid air, so lowering indoor humidity reduces the energy needed to reach the same comfort temperature.
Frequently asked questions
What size dehumidifier do I need for a 60 m² space?
For 60 m² we recommend a 12–13 L/day compressor dehumidifier — Kullhaus alpha Q13L, alpha Q13L Pro WiFi, or Meaco Arete Two 12L.
What size dehumidifier do I need for an 80 m² space?
For 80 m² we recommend a 20 L/day compressor dehumidifier — Kullhaus alpha Q20L, alpha Q20L Pro WiFi, Qualis Pro 20L WiFi, or Meaco Arete Two 20L.
What size dehumidifier do I need for a 100 m² space?
For 100 m² we recommend a 25 L/day compressor dehumidifier — Kullhaus alpha Q25L Wi-Fi, Qualis Pro 25L WiFi, or Meaco Arete Two 25L.
Which dehumidifier for unheated spaces?
For unheated spaces (from 1°C) choose a zeolite desiccant dehumidifier: Kullhaus DDQ10L (10 L/day, coverage up to 100 m²), Meaco DD8L (8 L/day), or Meaco DD8L Pro (8 L/day, WiFi, Smart Laundry, Which? Best Buy).
Compressor or desiccant for my home?
Home with heating above 5°C: compressor. Basement, garage, holiday home, or home with insufficient heating: desiccant (operates from 1°C).
How much does it cost to run a dehumidifier?
At rated consumption of 145–430 W and typical Greek residential electricity price of €0.20/kWh, running 8 hours per day costs approximately €0.23 to €0.69 per day. Annual cost for daily use: €84–€252.
What indoor humidity is healthiest?
Both ASHRAE and the US EPA recommend 40–60% relative humidity. Below 60%, mould and allergen growth is limited.
What is KULLSAVE?
The advanced KULLSAVE Energy Saving Smart Operation technology ensures maximum energy savings — the dehumidifier automatically switches on and off based on the humidity level you set. This delivers the ideal indoor environment without unnecessary energy waste.
Does a dehumidifier need servicing?
Sani Hellas recommends routine service every 2 years: internal cleaning (dust, debris, calcium build-up, mould from internal drainage paths), inspection of humidity sensors and electrical connections, and lubrication of moving parts. We use exclusively original spare parts. Contact us to schedule.
What warranty do the dehumidifiers carry?
The full Kullhaus range carries 2 years device warranty + 5 years compressor warranty. Meaco DD8L carries 2 years, DD8L Pro 3 years, and Arete Two 5 years. All warranties are honoured by Sani Hellas as the exclusive Greek representative.
