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HINISO 22L Smart Dehumidifier (₹21,990) is ideal for Mumbai's extreme humidity (85-90% RH). It extracts 22L/day, covers 4500 sq ft, includes WiFi control, and has auto-restart for power cuts. For budget-conscious buyers, HINISO 10L WiFi (₹12,990) handles single rooms excellently. Both perform well in coastal high-humidity conditions.

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Basic Formula: (Room Area in sq ft ÷ 100) × 5 = Minimum L/day capacity. For 300 sq ft room: (300 ÷ 100) × 5 = 15L/day minimum. During heavy monsoon or basements, increase by 50%. Examples: 150 sq ft bedroom → 10L/day, 400 sq ft living room → 20L/day, 600 sq ft hall → 30L/day. Always round up for better performance.

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Power Consumption: Most compressor dehumidifiers use 220-260W (similar to a laptop). Running 8 hours daily costs ₹400-500/month at ₹6/kWh rates. Smart models with humidity sensors save 30-40% by auto-adjusting. Pro tip: Run during peak humidity hours (morning/evening), use auto mode, and set target humidity to 50-55% rather than maximum extraction.

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Depends on humidity and tank size: During peak monsoon (80%+ RH), expect to empty 2-3 times daily for small tanks (2.3L), once daily for medium (4.6L), and once every 1-2 days for large tanks (5.5L). All models have auto-shutoff when full. Solution: Use continuous drainage option (connect hose to drain) for basements or 24/7 operation - available on Pro Breeze and most models.

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Yes, extremely effective! Models with dedicated laundry mode (Pro Breeze, Power Pye) dry clothes 60-70% faster than natural air drying. Place damp clothes in a closed room with dehumidifier running on laundry mode. Clothes that take 24+ hours outdoors during monsoon dry in 6-8 hours indoors. Game-changer for monsoon season when outdoor drying is impossible.

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Buy combo unit (Sharp DW-J20FM-W) if: You have both humidity and air quality concerns, want single device for dual purpose, or have mold/allergen issues. Buy dehumidifier-only if: You purely need moisture control, want lower cost (₹15,000 vs ₹37,000), or already own air purifier. Combo units excellent for coastal cities with both pollution and humidity challenges.

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Peak monsoon (80-90% RH): Run 10-12 hours daily or until humidity reaches 50-55%. Moderate monsoon (65-80% RH): 6-8 hours daily. Light monsoon/post-rain: 4-6 hours. Use auto mode to let unit maintain target humidity automatically. Close all windows/doors during operation. Smart models with humidity sensors optimize runtime and save energy.

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Compressor models (all reviewed products) work like mini-ACs, cooling air to condense moisture. Best for Indian monsoon (25-35°C), energy-efficient, extract more water, widely available, cost ₹5,000-40,000. Desiccant models use absorbent materials, work in cold climates (below 15°C), quieter but less efficient, rarely available in India. For Indian conditions, always choose compressor-based dehumidifiers.

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Yes, highly effective! Mold thrives at 60%+ humidity. Maintaining 40-50% RH prevents mold growth completely. For existing mold: Clean walls first (bleach solution), then run dehumidifier continuously to prevent return. UV-enabled models (HINISO 22L, Sharp) provide extra mold protection. Position dehumidifier near affected walls for maximum effectiveness. Ideal for basements, bathrooms, and poorly-ventilated rooms.

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Best service network: Sharp (established nationwide, toll-free: 1800-103-4535). Good support: Power Pye (Indian brand, responsive). Developing: HINISO (2-year warranty, lifetime tech support via app/phone), Pro Breeze (limited in Tier 2/3 cities). Check before buying: Verify local service center availability and Amazon seller reputation. Most issues resolved by proper maintenance and tank cleaning.