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DRYMASTER DM138 Therno ventilators
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The DRYMASTER DM138 Therno Ventilator, also known as the Cristal DM-138, is a versatile and efficient 1350W bathroom air ventilation system designed to enhance comfort and air quality in your home. Operating on 220V/50Hz, this multi-functional unit provides comprehensive solutions for heating, drying, air circulation, and ventilation, ensuring a fresh, dry, and warm bathroom environment. With a powerful ventilation capacity of 180m³/h and an ivory finish, it is engineered for durability and reliable performance.
Product Overview
The DRYMASTER DM138 (Cristal DM-138) offers a sophisticated solution for modern bathrooms, combining powerful heating, efficient drying, and continuous ventilation functions into one compact unit. Ideal for maintaining a comfortable and hygienic environment, especially in humid conditions, it actively prevents mold growth and ensures quick drying of the bathroom space and even laundry.
Key Features
Heating Function
Experience warmth and comfort even during colder seasons. The robust heating function swiftly and effectively dries out moisture in the bathroom, contributing to mold prevention and providing a pleasant, warm atmosphere during winter months.
Drying Function
Engineered with intelligent systems, the DM138 combines powerful heating and exhaust capabilities to facilitate efficient drying. This feature allows for convenient clothes drying within the bathroom, even on rainy or humid days, making laundry management easier.
Air Circulation & Ventilation
Maintain optimal air quality with the effective ventilation and circulation features. The system continuously expels polluted air from the bathroom outwards, drawing in fresh air from outside to ensure a clean, refreshing, and well-circulated environment. This consistent air exchange helps remove moisture and prevent mildew over long-term use.
Auto Ventilation
For sustained freshness, the auto ventilation mode is designed to operate seamlessly. It performs a 1-minute exhaust cycle after every 10 minutes. Additionally, the throttle opens every 30 minutes to allow outdoor air to flow back into the bathroom, ensuring continuous air circulation and odor control.
Timer Function
Customize the operation of all functions – Heating, Drying, Air Circulation, and Ventilation – with the integrated timer. Settings can be adjusted from 30 minutes up to 9 hours, offering flexibility and energy efficiency tailored to your specific needs.
Specifications
- Model: Cristal DM-138
- Power Source: 220V/50Hz
- Wattage: 1350W
- Ventilation per Hour: 180m³/h
- Outlet Diameter: 100mm
- Outlook Colour: Ivory
- Installation Options:
- Ceiling Mounted
- Wall Mounted
- Window-Type
Dimensions (HxWxD)
- Ceiling Mounted: 165 x 245 x 245 mm
- Wall Mounted: 245 x 245 x 165 mm
- Window-Type Installation Size: 245 x 245 x 165 mm
- Front Case Dimensions: 280 x 280 x 240 mm
The product information above is for reference only; everything is subject to the brand's official website.
DRYMASTER DM138 Therno ventilators Review
Installation
Bathroom Heaters
Standard Installation Charges
| Type | Charge |
|---|---|
| Window type | HK$480 |
| Ceiling type (false-ceiling opening not included; to be discussed separately) | Installation not available |
| Wall-mounted type | HK$480 |
Standard Installation Scope
If installed by an agent, a separate quotation is required.
- Includes 3 ft electrical cable
- Install unit frame; must be installed on a fixed window frame
- Remove existing louvre window / glass (disposal not included)
- Finish with new glass; old glass will not be reused
- Compliant power supply to be provided by the customer
- Includes 10 ft electrical cable
- Wall-mount screw installation / ceiling-suspension threaded rods
- 8 ft long, 4 in diameter flexible aluminium foil duct
- Open 4 in glass hole for air duct
- Compliant power supply to be provided by the customer
Bathroom Heater Additional Charges
| Item | Charge |
|---|---|
| Aluminium duct (per ft) | HK$25 |
| Aluminium composite panel within 20 × 24 in | HK$300 |
| Frosted glass sealing within 2 × 20 in, each | HK$80 |
| Frosted glass sealing within 4 × 20 in, each | HK$120 |
| Frosted glass sealing within 6 × 20 in, each | HK$150 |
| Frosted glass sealing within 8 × 20 in, each | HK$180 |
| Trim aluminium window edge (per side) | HK$150 |
| Replace socket base (each) | HK$100 |
| Install one electrical point (includes 15 ft cable and circuit breaker) | HK$800 |
| Remove bathroom heater / exhaust fan | HK$100 |
| Install branched electrical point (includes 10 ft cable) | HK$250 |
| Electrical cable (per ft) | HK$20 |
| Replace / add circuit breaker in existing switchboard | HK$350 |
| Tung Chung and Ma Wan installation surcharge (per order) | HK$100 |
| Discovery Bay installation surcharge (per order): 3 units or fewer | HK$300 |
| Discovery Bay installation surcharge (per order): more than 3 units | HK$600 |
Delivery Charges
Basic Delivery
| Item | Charge |
|---|---|
| Delivery (per item) | HK$100 |
| Tung Chung, Ma Wan and Discovery Bay surcharge (per delivery) | HK$100 |
| Carrying distance to delivery location exceeds 100 m | Additional charges apply |
Note: Charges may differ if delivery is arranged by an agent. Please contact us for details.
Staircase Handling
Except for village houses, where 14 steps count as one floor, other buildings count 10 steps as one floor. The first 5 steps are free of charge.
| Item | Charge |
|---|---|
| General appliances | HK$30 / item / floor |
| Window AC, 3/4 HP to 1 HP | HK$30 / item / floor |
| Window AC, 1.5 HP to 2.5 HP | HK$50 / item / floor |
| Window AC, 3 HP or above | To be discussed |
| Split AC, refrigerator, washing machine | HK$50 / item / floor |
| Built-in oven, steam oven, chimney hood, built-in / freestanding dishwasher | HK$50 / item / floor |
Note: Charges may differ if delivery is arranged by an agent. Please contact us for details.
General Notes
- The above installation fees are quoted for work handled by BBE’s appointed contractor / appointed registered electrical contractor.
- Charges may differ if delivery/installation is handled by other agents or contractors. Please contact us for details.
- A compliant power supply must be provided by the customer near the appliance.
- Items not listed in this fee schedule must be discussed with the technician.
- The installation location must be confirmed by the customer. Relocation or reinstallation after installation at the customer’s request will be quoted separately.
- Installation schedule: Hong Kong Island (Tue, Thu, Sat); Kowloon (Mon to Sat); New Territories (Mon to Sat).
- Delivery coverage excludes outlying islands, restricted areas and overseas locations.
- Delivery or installation is generally arranged during office hours. For non-office hours such as evenings or public holidays, please check feasibility in advance.
Why us?
Why Choose BBE?
The trusted choice for more than 300,000 households in Hong Kong. We focus on exceptional quality, professional guidance, and a more peace-of-mind shopping experience.
Multiple Large Showrooms
Experience in person · Compare on the spot
Visit our flagship showrooms in Mong Kok, Causeway Bay, and Tuen Mun. Explore more than 1,000 European, American, and Japanese kitchen appliances, and get on-site recommendations from professional advisors for selection and installation.
Mong KokCauseway BayTuen Mun
100% Official StockNo parallel imports · Clear warranty coverage
All appliances are official products from the Hong Kong authorised distributors. Enjoy at least one-year manufacturer warranty and a 7-day replacement guarantee for faulty items, for added peace of mind after purchase.
Real Customer Service · Dedicated Follow-upOrder confirmation · Peace of mind follow-up
Each order is handled by a dedicated team who contacts and confirms details to ensure smooth delivery and installation. You can also reach real customer service via WhatsApp or phone call.
1-to-1 Expert ConsultationInstant support · Professional answers
Get real-time professional support via WhatsApp. Whether you need help comparing appliance specifications, checking dimensions, or answering installation questions, our expert team will respond promptly.
Award-WinningRecognized by brands · Valued service
Our service quality is recognized by the industry and top brands. We have received the TGC Sales Gold Award from the Gas Company and Daikin’s Diamond-level “Daikin Star” honor, along with multiple partner awards and distributor recognitions.
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Our website uses SSL encryption, supports multiple electronic payment methods, and provides a one-stop professional delivery and installation service, making the entire shopping process more convenient and reassuring.
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