Yes.

What maintenance do air purifiers need?

• Filter maintenance
• Sensor maintenance
• Maintenance of other internal components

What maintenance do dehumidifiers need?

• Filter cleaning
• Drain pipe check
• Water tank cleaning
• Performance check

To maintain and clean Kosmen air purifiers and dehumidifiers, you should:

• Regularly clean or replace the filter according to the manufacturer's instructions.
• Wipe down the exterior surface with a soft, damp cloth.
• Periodically check and clean sensors and fans.
• Carefully read the user manual for specific details.

Which product is better for improving indoor air quality, air purifiers or dehumidifiers?
Both products play a crucial role in improving indoor air quality, but each has its own advantages:

Air Purifiers:

• Remove dust particles, bacteria, viruses, and pollen from the air, making indoor air cleaner and safer for health.
• Best for: Particularly beneficial for people with allergies or asthma, as well as during dry seasons or when air pollution is high.

Dehumidifiers:

• Reduce moisture in the air, preventing the growth of bacteria, mold, and insects, and creating a dry and comfortable living space.
• Best for: Ideal in humid environments, maintaining optimal humidity levels and protecting furniture from moisture damage.
• Combining dehumidifying and air-purifying functions creates a more fresh and clean indoor space.
• Depending on your needs, you can choose the most suitable product.

Kosmen has two air purifier models:

• Kosmen KM-A65 Air Purifier
• Kosmen KM-A99 Air Purifier

Kosmen offers a wide range of dehumidifiers to meet diverse customer needs, including:

Residential Dehumidifiers: Suitable for homes and offices

• Kosmen KM-12N Dehumidifier
• Kosmen KM-20N Dehumidifier
• Kosmen KM-30N Air Purifier and Dehumidifier
• Kosmen KM-60S Dehumidifier

Industrial Dehumidifiers:

• Kosmen KM-90S Industrial Dehumidifier
• Kosmen KM-150S Industrial Dehumidifier
• Kosmen KM-180S Industrial Dehumidifier
• Kosmen KM-210S Industrial Dehumidifier
• Kosmen KM-250S Industrial Dehumidifier
• Kosmen KM-480S Industrial Dehumidifier

Ceiling-mounted Dehumidifiers:

• Kosmen KM-26E Ceiling-mounted Dehumidifier
• Kosmen KM-66E Ceiling-mounted Dehumidifier
• Kosmen KM-96E Ceiling-mounted Dehumidifier
• Kosmen KM-136E Ceiling-mounted Dehumidifier
• Kosmen KM-168DS Ceiling-mounted Dehumidifier
• Kosmen KM-180DS Ceiling-mounted Dehumidifier
• Kosmen KM-240DS Ceiling-mounted Dehumidifier
• Kosmen KM-480DS Ceiling-mounted Dehumidifier

You can cancel or change your order before Kosmen packs and ships it.
If the product has already been shipped and the customer refuses delivery, the customer will need to cover the shipping cost.

• You can order directly from the website.
• Buy from over 200 Kosmen stores, distributors, and agents nationwide.
• Purchase on e-commerce platforms: Shopee, Lazada, TikTok, Tiki, Sendo, etc.
  Order through the ZALO OA channel.
• Purchase through customer care representatives.

Kosmen’s after-sales service and customer care policy includes:

• Providing technical consultation tailored to actual warehouse and factory conditions, helping customers choose the right capacity and layout solution while avoiding unnecessary investment costs.
• Attractive discount offers for large-scale project customers.
• A 1-for-1 replacement warranty for all product lines within 30 days if manufacturing defects occur.
• A 24-month warranty and up to 36 months for the compressor system, ensuring stable and reliable long-term operation.
• Periodic maintenance and servicing once per year (up to two times) for industrial dehumidifier models, helping maintain optimal system performance.
• Free transportation and installation support, along with on-site warranty service for large-scale projects, ensuring a fast and efficient implementation process.

Kosmen is committed to accompanying customers throughout the entire operation process to ensure long-term efficiency and stable performance.

After finalizing the technical solution, payment contract, and delivery schedule, Kosmen’s technical team will proceed with the following steps:

• Delivery and installation of the system.
• Electrical connection and drainage setup (to be prepared in advance by the customer).
• Inspection of system operation and performance.
• Provision of product documentation, along with guidance on system operation, maintenance, and servicing.

The acceptance process will be carried out together with the customer to ensure the system operates in accordance with technical requirements.

Based on the actual survey data, Kosmen will proceed with the following implementation:

• Calculate the appropriate capacity
• Recommend suitable equipment
• Design airflow circulation
• Provide drainage and power supply solutions
• Optimize system layout arrangement

Customers will be provided with:

• Technical solution documentation
• System layout drawings
• Official quotation
• Product technical specifications

Based on the actual survey data and discussions regarding customer requirements, technical installation drawings will be developed to provide the most complete and optimized technical solution. Accordingly, Kosmen will issue an official quotation for the implementation plan, including equipment quantity, payment terms, contract details, and installation schedule.

Yes, Kosmen provides completely free consultation and site surveys. The Kosmen team receives information from customers who require consultation, site surveys, and dehumidifier installation. After that, Kosmen schedules the survey time, location, on-site contact person, and technical support conditions for the survey. At the same time, the team prepares all necessary measuring equipment and technical documents for the inspection.

During the on-site survey, the technical team will:

• Measure actual humidity levels
• Measure ambient temperature
• Assess air circulation and ventilation
• Inspect sources of moisture generation
• Check the electrical system and installation conditions
• Evaluate the operating environment characteristics
• Assess equipment placement and drainage locations

At the same time, the technical team will communicate directly with the customer to gain a clear understanding of usage requirements and environmental air control objectives.

After receiving the customer’s initial requirements, the consulting team proceeds to collect detailed information, including:

• Contact information
• Business/operational model
• What products are stored or manufactured in the room?
• Space area and structure (with special attention to ceiling height)
• Current humidity and ambient temperature conditions
• Ventilation conditions: Does the room have exhaust fans or fresh air supply systems?
• Humidity and air quality control objectives
• How many people regularly work in the room?
• How many doors are frequently used (including entrances and windows)?
• What material are the room walls made of?
• Other practical operational requirements (noise level, users, frequency of movement, temperature impact, drainage location)

Based on the initial data collected, Kosmen will provide a preliminary solution orientation tailored to the customer’s needs and prepare for an on-site survey.

The process applies to:

• Dehumidification systems
• Fresh air systems
• ERV/HRV systems
• Air purification systems
• Indoor Air Quality (IAQ) solutions
• Residential projects and apartments
• Offices and commercial buildings
• Warehouses and factories
• Technical and industrial environments
• Spaces requiring humidity and air environment control

• Phase 01: Customer Inquiry Reception
• Phase 02: Information Collection & Preliminary Consultation
• Phase 03: Site Survey Scheduling
• Phase 04: On-site Survey & Technical Consultation
• Phase 05: Solution Proposal & System Layout
• Phase 06: Proposal Confirmation & Contract Finalization
• Phase 07: Delivery, Installation & Commissioning
• Phase 08: Operation Guidance & After-sales Support

Kosmen products are suitable for the following industries and fields:

• Chemicals
• Drying and Storage
• Electronics
• Mechanical Engineering and Automotive
• Pharmaceuticals and Healthcare
• Agriculture and Food Processing
• Logistics
• Paper Packaging, Printing, and Decals
• Laboratories and Cold Storage
• Construction, Hotels, and Accommodation
• Garment, Backpack, Handbag, and Leather Footwear Manufacturing
• Libraries and Document Archives

• Check the product immediately upon receipt: Detect defects right away.
• Contact Kosmen customer support: Report your order number, describe the defect, and provide images if available.
• Read the warranty and return policy: Understand your rights.
• Request a replacement or repair: Depending on the warranty policy and the nature of the defect.
• Return the product if necessary: Package carefully and follow Kosmen's instructions.
  Track your request's progress: Continuously monitor your claim.
• Keep all related documentation: Emails, receipts, and defect reports.

Delivery within 24 hours in urban areas (Ho Chi Minh City, Hanoi, Da Nang, and Lam Dong); delivery times for suburban areas vary by province and delivery service.

Shipping policy for distributors and agents:

• The company delivers according to the agent's order (type, specification, quantity, and related information), ensuring product quality in line with published standards.
• Delivery to the agreed-upon location as per the terms of the purchase order and confirmed order documents.

Promotion combination policies may vary depending on specific programs. Kosmen typically specifies the terms and conditions of each promotion, including whether it can be combined with others.

You can get promotion codes from:

• Kosmen's fan pages
• Sales staff
• Trade shows, exhibitions, etc.

• Products are under warranty for up to 24 months.
• Panasonic compressors come with a 36-month warranty.
• 1-to-1 replacement within 30 days (if the product has a manufacturer defect).

Yes, contact us through our communication channels: Website, Zalo OA, Fanpage, etc.

Discounts:
- Discounts are agreed upon and applied according to the pricing chart the company sends monthly.
- Additional discounts may apply if:

• The agent makes an immediate payment when the company delivers the goods.
• The agent meets the revenue thresholds outlined in Article 8 of the contract.
• Bonuses and support are paid via cash, bank transfer, or offset against debt.

Sales Price:

• Based on the purchasing performance and other cooperation agreements, agents will receive pricing policies corresponding to their agent level.
• Pricing policies are designed to ensure competitiveness and maximum profitability for agents in the market.

• Support in brand promotion through information channels and media; customer referrals for areas near branches managed by the company during the cooperation period.
• Enjoy favorable agent pricing according to predetermined agent policies.
• Free technical training, installation guidance, and project consultation.
• Contact information and logo updates on the company's website and advertising materials.
• Authorized to sign sales contracts on behalf of the company in cases where the agent’s customer requests, or the agent is unable to sign. Profits (after deducting contract execution costs) from such contracts will be transferred to the agent after completing obligations under the contract between both parties.
• Support for designing and setting up display counters/shelves at the agent's showroom.