Unverified80% confidenceCautionTime unknown
供暖已达标或空调制热良好的房间不建议再买暖风机，暖风机耗电高且仅解决局部冷点，属重复投入
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80%
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Long-term
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Unverified追求整间房长时间恒温取暖不该买暖风机——它耗电高（2000W持续开每小时约2度电）、关机即冷、干燥明显，这类需求应选空调制热或油汀87% similarUnverified大面积（＞20㎡）或整屋长期取暖不建议用暖风机，其对流升温快但保温差、耗电高，应选油汀或空调地暖，暖风机定位为快速局部辅热86% similarUnverified北方有集中供暖的房间不建议为空调制热性能付高价，制热APF和低温制热能力对这类用户几乎无用，重点应放在制冷能效和噪音上85% similarUnverified北方有集中供暖的房间不建议为空调制热性能付高溢价，制热几乎用不上；应把预算放在制冷能效和静音上85% similarUnverified不开空调仅靠天丝凉席在高温天气中降温效果有限，无空调环境不建议指望它解决闷热问题85% similar
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