IFC building model
Schema: "IFC4"
Description: "ViewDefinition [ReferenceView_V1.2]"
Description: "bim.house catalog product — reference values, verify with manufacturer"
File name: "DEVICE-ONSEN-FLOOR-HVAC-V1.ifc"
Time stamp: "2026-01-01T00:00:00"
Author: "BIM.HOUSE"
Organization: "Enabler Inc."
Preprocessor: "IFC4 — bim.house product catalog"
Originating system: "BIM.HOUSE"
Application: "BIM.HOUSE catalog export" version "1.0" identifier "bim.house"

People and organizations
  Person (none given)
  Owner history of Person (none given) | application "BIM.HOUSE catalog export" version "1.0" identifier "bim.house" | change ADDED | created 1767225600 (2026-01-01T00:00:00Z)

Units
  LENGTHUNIT: MILLI METRE
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  PLANEANGLEUNIT: RADIAN

Spatial structure
IFCPROJECT "温泉熱×井戸水 床下空調コントローラ（電子バルブ微調整・チタン熱交換）device.house ()" | long name "BIM.HOUSE" | phase "Catalog product reference model"
  IFCSITE "Catalog Context" | elevation above sea level 0.
    IFCBUILDING "Catalog Building" | reference height above sea level 0. | terrain above sea level 0.
      IFCBUILDINGSTOREY "Level" | elevation 0.
        contains 1 element
          1 x IFCBUILDINGELEMENTPROXY | names: "温泉熱×井戸水 床下空調コントローラ（電子バルブ微調整・チタン熱交換）device.house" | descriptions: "弟子屈・美留和の温泉(50℃)と井戸水(7℃)を熱源に、床下のフィンコイル＋ECファンで床下空気を加熱/冷却し各部屋へ送る床下空調デバイス。温泉は硫黄で腐食するためチタン製プレート熱交換器で隔離（一次側は流しっぱなしで凍結防止）。温泉側は樹脂(PVC)電動ボールバルブ＝耐食、二次側は電動比例弁で水量を0-10V微調整。ESP32＋防水温度センサDS18B20×5でPID自動制御（Home Assistant連携可）。暖房・冷房・足湯・融雪に拡張可能。エアコン¥100万の代替。概算Phase1 ¥12〜40万。" | property sets: Pset_bimhouse_Catalog

Property sets
  Pset_bimhouse_Catalog | properties | on 1 object (1 IFCBUILDINGELEMENTPROXY)
    ListPrice_JPY_excl_tax = 98000 (IFCINTEGER)
    Reference = "DEVICE-ONSEN-FLOOR-HVAC-V1" (IFCLABEL)