{"appears_in":[{"position":10,"ranking_slug":"best-water-heaters-2026","ranking_title":"2026 年热水器怎么买：燃气零冷水、储水式电热、升数与能效，10 款主流机型横向对比","score":7.8,"url":"https://buyranker.com/ranking/best-water-heaters-2026"}],"brand":"万和（Vanward）","buy_url":null,"canonical_url":"https://buyranker.com/product/vanward-dsf55-e5","category":{"name":"热水器","slug":"water-heater"},"cons":["5500W 约合 25 A，必须核算入户容量并走独立回路","冬天低温进水时舒适水量有限","关键参数均为厂商标称，缺少第三方验证"],"description":null,"id":"66809bc9964396fb378e5a98984a7a4a","image_url":null,"name":"万和 DSF55-E5 即热式电热水器","official_url":null,"price":{"currency":"CNY","max":null,"min":null},"pros":["7 cm 厚度，极限机位也装得下","即开即热，不需要等待烧水","水电分离 + 漏电保护","不依赖燃气"],"release_year":2025,"slug":"vanward-dsf55-e5","specs":{"价格":"厂商发布信息中提到国补后约 1300 余元","功率":"厂商标称 5500W 智能变频","型号":"DSF55-E5","安全":"水电分离加热体、IPX4、内置漏电保护（标称 0.1 秒断电）","尺寸":"300×260×70 mm（厚 7 cm）","控温":"厂商标称 ±0.5℃","类型":"即热式","质保":"整机 3 年","出热水":"厂商称 5℃ 进水下 3 秒出热水"},"summary":"厚度仅 7 cm 的即热式电热水器，厂商标称 5500W 变频、3 秒出热水。"}