Australia's diverse climate brings humidity challenges across the continent—from tropical north Queensland to temperate southern states, coastal regions to inland areas. Offices, retail, warehouses, and industrial sites nationwide need reliable commercial dehumidifiers to protect buildings, stock, and staff. Thorair supplies professional commercial dehumidifiers Australia-wide: 50L, 70L, and 90L LGR units for moisture control, water damage restoration, mould prevention, and compliant structural drying. Available across Australia with fast delivery and local support in Sydney, Melbourne, Brisbane, Perth, Adelaide, and all major cities.

Why Commercial Dehumidifiers Are Essential Across Australia

Australia's Diverse Climate Challenges

Australia experiences varied humidity levels—tropical north Queensland (often 70–90%+ year-round), coastal regions (65–80%+), and inland areas with seasonal spikes. Older buildings, basements, and poorly ventilated commercial spaces trap moisture, leading to condensation, damp, and mould. Commercial dehumidifiers Australia-wide remove excess moisture, keep RH in the 30–50% range, and create stable conditions for staff, equipment, and stock regardless of location.

Protect Commercial Assets Nationwide

Excess moisture damages electronics, paper, furnishings, and inventory across all Australian states and territories. Warehouses, archives, and retail stores face humidity challenges from tropical Darwin to temperate Melbourne. Commercial dehumidifiers help prevent warping, corrosion, and mould, preserving assets and reducing loss. Australian businesses use them in storage, server rooms, and showrooms to maintain consistent conditions.

Water Damage & Restoration

Floods, storms, cyclones, burst pipes, and leaks occur across Australia—from Queensland cyclones to Victorian floods, NSW storms to WA coastal events. Fast structural drying needs professional dehumidifiers. Restoration companies Australia-wide rely on high‑capacity commercial units (50L–90L) for insurance jobs, mould remediation, and compliant drying. Commercial dehumidifiers Australia are built for this use.

Mould & Health Compliance

Mould grows quickly in Australia's humid conditions—especially in tropical north, coastal areas, and during wet seasons—and can affect air quality, health, and compliance. Commercial dehumidifiers lower humidity so mould is less likely to establish, and they support mould remediation projects. Keeping RH under control helps meet duty‑of‑care and workplace health expectations across Australia.

Commercial Dehumidifiers Across Australia

Major Capital Cities

Commercial dehumidifiers Australia serve Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Darwin, and Hobart. Office towers, retail, warehouses, and industrial sites in CBDs and suburbs face humidity from coastal influence, seasonal weather, and building characteristics. Commercial dehumidifiers in Australian cities help manage moisture in server rooms, archives, storage, and tenant spaces. Compact to large capacity units (50L–90L) suit these applications.

Coastal Regions

Australia's extensive coastline—from Queensland's Gold Coast to NSW Central Coast, Victoria's Mornington Peninsula to WA's Perth metro—experiences high humidity from ocean influence. Offices, retail, warehouses, and hospitality venues benefit from commercial dehumidifiers to avoid damp, odours, and mould. Reliable, low‑maintenance units are well suited to these environments across Australia.

Tropical & Northern Australia

Queensland, Northern Territory, and northern WA face tropical humidity year-round, often 70–90%+. Commercial dehumidifiers Australia are essential for offices, warehouses, and industrial sites in Cairns, Townsville, Darwin, and Broome. High-capacity units (70L–90L) handle sustained moisture removal in these challenging conditions.

Industrial & Manufacturing Hubs

Manufacturing, warehousing, and industrial sites across Australia—from Western Sydney to Melbourne's west, Brisbane's industrial areas to Perth's manufacturing zones—need robust moisture control. Commercial dehumidifiers support production, storage, and compliance. Industrial‑grade 70L–90L models are built for continuous use in Australian industrial settings.

What to Look for in a Commercial Dehumidifier in Australia

Capacity (50L, 70L, 90L)

Capacity (L/day) determines how much moisture can be removed. For Australian commercial use: 50L suits offices, small retail, and light restoration; 70L fits larger offices, warehouses, and standard restoration; 90L is for big warehouses, industrial sites, and severe water damage. Choosing the right size avoids under‑ or over‑specifying for Australia's varied conditions.

LGR Technology & Energy Efficiency

LGR (Low Grain Refrigerant) dehumidifiers with Panasonic compressors perform well in Australia's humidity variations—from tropical to temperate—and are more efficient than many conventional units. They help control running costs in offices and warehouses. Energy‑efficient commercial dehumidifiers are increasingly important for Australian businesses facing rising electricity costs.

Continuous Drainage

Commercial dehumidifiers Australia often run 24/7 during restoration or in warehouses. Continuous drainage removes the need to empty tanks and allows unattended operation. Ensure units can be plumbed or use condensate pumps where needed for Australian installations.

ASA / SAA Approval & Insurance Use

For restoration and insurance work in Australia, commercial dehumidifiers must be ASA/SAA approved. Insurers and restorers require certified equipment. Thorair's commercial range meets these standards for use in Australian restoration projects nationwide.

Portability & Placement

Commercial dehumidifiers Australia need to move between rooms, floors, and sites. Units with wheels and handles suit offices, retail, and restoration. Consider footprint, ducting, and access when selecting equipment for Australian buildings.

Reliability & Support

Commercial use demands reliable equipment and quick support. Choose suppliers that offer warranty, spare parts, and technical help. Thorair provides commercial dehumidifiers Australia-wide with local support and nationwide service.

Commercial Dehumidifier Range for Australia (50L–90L)

50L Commercial Dehumidifiers

Suited to Australian offices, small retail, clinics, and light restoration. 50L/day capacity handles typical commercial spaces and helps maintain comfort and asset protection. Ideal for CBD and suburban premises where space and running costs matter.

  • 50L/day extraction
  • LGR Panasonic compressor
  • Offices, retail, small commercial
  • ASA/SAA approved
  • WiFi models available
  • Continuous drainage option

70L Commercial Dehumidifiers

For larger Australian offices, warehouses, retail, and restoration. 70L/day supports bigger floors and higher moisture loads. Commonly used by Australian restoration companies and facility managers for sustained drying and humidity control.

  • 70L/day extraction
  • Larger offices, warehouses, restoration
  • Robust LGR technology
  • Insurance restoration use
  • Professional-grade build
  • Efficient continuous operation

90L Commercial Dehumidifiers

Maximum capacity for Australian warehouses, industrial sites, and large‑scale restoration. 90L/day delivers fast drying and strong moisture control. Used where speed and capacity are critical, including flood and major water damage jobs across Australia.

  • 90L/day extraction
  • Warehouses, industrial, severe damage
  • Rapid structural drying
  • Insurance & restoration compliant
  • Industrial-grade construction
  • Built for 24/7 operation

Choosing Capacity for Your Australian Commercial Space

50L/day

Offices / Small Commercial

Australian offices (≈60–100m²), small retail, clinics, server rooms, and light restoration. Fits typical CBD and suburban tenancies where humidity is moderate and space is limited.

70L/day

Larger Commercial / Restoration

Larger Australian offices (100–150m²), warehouses, retail showrooms, and restoration projects. Preferred by Australian restorers and facilities managing multiple sites or bigger footprints.

90L/day

Industrial / Large Restoration

Australian warehouses, factories, and large‑scale water damage. Handles severe flooding, big floors, and 24/7 industrial use. Common in industrial areas across all Australian states.

70L–90L/day

Australian Restoration & Insurance

Standard for Australian restoration companies doing insurance work. Delivers the capacity and certification needed for structural drying, mould remediation, and compliance. Trusted across Australia.

Commercial Dehumidifiers for Water Damage Restoration in Australia

Australia faces floods, storms, cyclones, burst pipes, and leaks across all states and territories. Restoration firms Australia-wide use commercial dehumidifiers as core equipment for structural drying, mould prevention, and insurance‑compliant jobs. Thorair's 50L–90L range is built for this use.

Fast Response

Quick deployment of 70L–90L commercial dehumidifiers helps limit secondary damage and supports insurance requirements. Australian restorers rely on capable, certified equipment for prompt drying.

Insurance Compliance

ASA/SAA approved commercial dehumidifiers meet typical insurer and restoration standards across Australia. Using certified equipment helps smooth claims and professional reporting.

Mould Prevention

Keeping RH below ~50% with commercial dehumidifiers reduces mould risk during and after drying. Important in Australia's humid conditions—especially in tropical north, coastal areas, and during wet seasons.

Structural Drying

70L–90L units provide the capacity to dry walls, subfloors, and building fabric effectively. Proper structural drying protects Australian properties from long‑term damage.

Typical Restoration Drying in Australia

Day 1–2

Water extraction and initial dehumidification. Commercial dehumidifiers start removing moisture quickly to reduce mould risk.

Day 3–5

Sustained drying with commercial dehumidifiers and air movers. Humidity monitored and kept in target range.

Day 6–10+

Continued operation until materials reach acceptable moisture levels. Final checks before equipment is removed.

Commercial Dehumidifiers and Mould in Australia

Australia's varied humidity—from tropical north to temperate south—supports mould growth in poorly controlled buildings. Commercial dehumidifiers lower RH and support mould prevention and remediation in offices, warehouses, and tenancies across Australia.

Using Commercial Dehumidifiers for Mould Control


Assess & Contain

Identify affected areas and contain mould. Deploy commercial dehumidifiers to begin lowering humidity and stabilising conditions.


Lower Humidity

50L–90L commercial dehumidifiers reduce RH below 50%, making it harder for mould to grow or spread during remediation.


Remediation & Drying

Remediation proceeds while dehumidifiers maintain low humidity. Drying of materials reduces the chance of recurrence.


Ongoing Control

Continued use of commercial dehumidifiers, or good ventilation and maintenance, helps keep Australian buildings mould‑resistant.

Mould & Humidity Across Australia

  • Mould can appear within 24–48 hours when humidity stays above ~60%.
  • Australia's tropical north, coastal regions, and seasonal rains increase moisture and mould risk in buildings.
  • Commercial dehumidifiers are a primary tool for prevention and support during remediation.
  • Thorair's commercial units are ASA/SAA approved and suitable for professional use across Australia.

Why Australian Businesses Choose Thorair Commercial Dehumidifiers

Australian Certified

Our commercial dehumidifiers are ASA/SAA approved for use in Australia. Certification supports insurance restoration and commercial duty‑of‑care requirements nationwide.

Commercial Grade

Built for offices, warehouses, and restoration. Australian businesses and restorers use Thorair units for reliability, capacity, and continuous operation.

Warranty & Support

Backed by warranty and technical support. Australian customers can access assistance, parts, and service when needed.

Nationwide Delivery

Fast delivery across Australia—Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Darwin, Hobart, and all major cities. Get commercial dehumidifiers when you need them.

Proven in Restoration

Used by restoration companies and facilities across Australia for water damage, mould work, and ongoing humidity control.

Complete Range

50L, 70L, and 90L commercial dehumidifiers, plus air scrubbers, blowers, and packages. One source for Australian commercial and restoration equipment.

Commercial Dehumidifier Applications Across Australia

Commercial dehumidifiers Australia serve many industries and building types nationwide:

Offices & CBDs

Server rooms, archives, basements, and general offices across Australian CBDs and suburbs. Commercial dehumidifiers protect IT, documents, and improve comfort.

Retail & Showrooms

Shops, showrooms, and storage. Humidity control preserves stock, reduces mould, and keeps spaces comfortable for staff and customers across Australia.

Warehouses & Logistics

Industrial areas across all Australian states. Commercial dehumidifiers safeguard inventory, packaging, and equipment in large, often humid sheds.

Water Damage Restoration

Flood, storm, cyclone, and leak restoration across Australia. Restoration companies use 70L–90L commercial dehumidifiers for structural drying and insurance work.

Healthcare & Clinics

Clinics, labs, and healthcare storage across Australia. Controlled humidity helps protect equipment, samples, and indoor air quality.

Hospitality & Venues

Hotels, gyms, pools, and venues. Commercial dehumidifiers manage moisture from pools, showers, and high occupancy across Australia.

Manufacturing & Industrial

Factories and workshops across Australia. Dehumidification supports processes, reduces corrosion, and protects machinery and product.

Strata & Property Managers

Commercial and mixed‑use buildings. Commercial dehumidifiers help strata and managers address damp, mould, and tenant comfort across Australia.

Maintaining Commercial Dehumidifiers in Australia

Filter Care

Clean or replace filters as recommended. In dusty Australian environments (e.g. construction, warehouses, mining areas), check filters more often to keep airflow and efficiency.

Drainage

Use continuous drainage where possible for 24/7 operation. Ensure hoses are secure and drains clear. Empty tanks regularly if not using continuous drainage.

Placement

Site units for good airflow—centre of room where possible, away from obstructions. Keep clear of walls and furniture. Level units for correct drainage.

Monitoring

Use built‑in displays to check RH and operation. Adjust targets (typically 30–50% RH) for your Australian application, location, and season.

Professional Servicing

For heavy commercial or restoration use, schedule periodic servicing. Keeps commercial dehumidifiers reliable and extends life.

Storage

When not in use, clean, drain, and dry units. Store in a dry place. Protects equipment for the next Australian job or season.

Running Commercial Dehumidifiers in Australia

Understanding running costs helps Australian businesses plan for commercial dehumidifier use.

Power Use

Consumption depends on capacity and runtime. LGR models are efficient for their output. Larger units use more power but remove more moisture, often shortening project time.

Operating Cost

Factor in Australian electricity rates (varies by state), hours of use, and capacity. For restoration, operating costs are often part of project or insurance billing.

Efficiency Features

Auto shut‑off at target RH, timers, and efficient compressors help reduce run time and cost. Useful for ongoing commercial use across Australia.

Long‑Term Value

Commercial-grade units typically offer better durability and performance over time. Consider total cost of ownership, not only purchase price.

Australian Standards & Commercial Use

Thorair commercial dehumidifiers meet Australian Standards (AS/NZS) and are electrically certified. This supports:

  • Compliance with Australian electrical safety (AS/NZS)
  • Use in insurance restoration projects across Australia
  • Commercial and workplace applications
  • Compatibility with 240V 50Hz supply (Australian standard)
  • Warranty and support across Australia

Why Certification Matters in Australia

ASA/SAA certification is typically required for insurance restoration work. Non‑certified equipment can affect claims and professional standards. Thorair's commercial dehumidifiers are certified for use by Australian restoration companies and facilities nationwide.

Buying a Commercial Dehumidifier in Australia

Step 1: Define Use

Identify main use: ongoing humidity control (office, warehouse), water damage restoration, or mould support. This guides capacity and features.

Step 2: Match Capacity

Estimate area and moisture load. Use the 50L / 70L / 90L guide above. For Australian restoration, 70L–90L is common; for general commercial, 50L–70L often suffices. Consider your location—tropical areas may need higher capacity.

Step 3: Check Certification

Confirm ASA/SAA approval if used for restoration or insurance work. Thorair's commercial range is certified for use across Australia.

Step 4: Plan Features

Consider continuous drainage, WiFi, portability, and placement. Ensure delivery and support cover your Australian location.

Step 5: Compare Suppliers

Compare price, warranty, support, and delivery. Thorair offers commercial dehumidifiers Australia-wide with Australian support and nationwide delivery.

Commercial Dehumidifier Australia – Common Questions

What size commercial dehumidifier do I need in Australia?

Depends on space, use, and location. 50L for smaller offices and retail; 70L for larger commercial and restoration; 90L for warehouses, industrial, and major water damage. Tropical and high-humidity areas may need higher capacity. Australian restoration typically uses 70L+.

Are these suitable for water damage restoration in Australia?

Yes. Thorair's 50L–90L commercial dehumidifiers are built for restoration, ASA/SAA approved, and widely used by Australian restoration companies for structural drying and insurance work across all states and territories.

Do you deliver commercial dehumidifiers across Australia?

Yes. We deliver across Australia—Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Darwin, Hobart, and all major cities and regional areas. Delivery options and timeframes depend on location and order.

Why is humidity a problem for commercial buildings in Australia?

Australia's varied climate brings humidity challenges—tropical north (70–90%+ year-round), coastal regions (65–80%+), and seasonal spikes. Poor ventilation, basements, and sealed buildings hold moisture, leading to condensation, mould, and damage. Commercial dehumidifiers keep RH in a safe range.

What is LGR and why does it matter?

LGR (Low Grain Refrigerant) dehumidifiers with Panasonic compressors perform well in humid conditions and are energy efficient. They suit Australia's varied climate—from tropical to temperate—and commercial use.

Do I need continuous drainage?

For 24/7 commercial or restoration use, yes. Continuous drainage avoids tank emptying and supports unattended operation. Optional for intermittent use.

Are commercial dehumidifiers suitable for tropical Australia?

Yes. Commercial dehumidifiers are essential in tropical north Queensland, Northern Territory, and northern WA where humidity is high year-round. Higher capacity units (70L–90L) are recommended for sustained moisture control in these conditions.

What Australian standards do commercial dehumidifiers meet?

Thorair commercial dehumidifiers meet AS/NZS electrical safety standards and are ASA/SAA certified. This ensures compliance for insurance restoration work and commercial use across Australia.

Commercial Dehumidifiers Australia – 50L, 70L & 90L

Thorair supplies commercial dehumidifiers across Australia for offices, warehouses, restoration, and mould control. Choose 50L, 70L, or 90L LGR units—all ASA/SAA approved, with nationwide delivery and local support. Available in Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Darwin, Hobart, and all major cities. Browse the range below or contact us for help choosing the right commercial dehumidifier for your Australian project.