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738D Ventilation Fan
Industry type:Electronics and communication
Product model number:738D/748D
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The 738D fan has the latest technology, “Constant air volume”, which overcomes the problem of over-long or too many bent pipes so that the 738D can still provide stable airflow. Traditional ventilation fans when confronted with the situations above will have lower efficiency. With a DC motor, the 738D perfectly integrates quietness, high efficiency and energy saving.

It is ideal for rooms from 10m2 to 13m2, with its ACPH of 120m2. For example, equipped with 25 meters’ of pipeline, it is able to maintain stable output air volume. The power consumption for low speed is 2.2w, for high speed only 6w and the monthly electricity fee only costs USD0.06 (8hr/per day).

From consumer responses, the air volume of most ventilating fans on the market will be reduced due to over-long or too many bent pipes. However, only the 738D can accomplish 0% fading of the ventilation effect. It can completely solve the problem of “poor ventilation effect” and truly achieve great “Air Circulation”.



SHENG YUAN ELECTRIC CO., LTD. was established in 1950, and it has already operated over a half century, and honesty, quality, service and innovation are always our management objectives. Following these objectives, we set up the brand, Alaska, in 1972, and Sheng Yuan has invested for manufacturing, design, producing ventilator fan and art ceiling fan…etc., also our high quality products are selling domestic and overseas with affirmative by widespread. We believe that if a firm would like to operate sustainably, only caused by its products’ brilliant quality and continuous innovation. Thus, we have been invested continually on the most exact R&D equipment and test instruments to cooperate with our total computerized production, also working together with Japan’s technique to raise our R&D capability and the total life quality.


We were established in 1950 and made famous electric fans with HULU Brand. As the exporting blossom in 60s, we had restructured to be SHENG YUAN ELECTRIC CO., LTD, and used Alaska brand and OEM for fitting it. HULU fans were almost lost due to we did not focus on the local market. In 80s, we changed trade modes causing offshoring, and made exhaust fans after undertaking Hitachi OEM orders. The prior chairman Mr. Liu visited the scrivener, Mr. Luo, and found the smell from his kitchen causing it was built on the fire lanes and difficult to do air circulation. Mr. Liu proposed using an exhaust fan, and then the stench was fully removed. Mr. Luo was grateful to solve this problem, and asked why Alaska did not sell it in Taiwan? It was a hard decision for a minor local market, but Mr. Liu stated Alaska must contribute to the society when it has the capability, and decided to cultivate localization firmly. We have striven for improving the indoor air quality with Alaska brand since 1985.