diff --git a/app_new/equipments/main.py b/app_new/equipments/main.py
index e8c5539..3ce9ccd 100644
--- a/app_new/equipments/main.py
+++ b/app_new/equipments/main.py
@@ -51,7 +51,41 @@ def index():
     status = request.args.get('status', '')
     category_id = request.args.get('category', type=int)
     building_id = request.args.get('building', type=int)
-    
+    view = request.args.get('view', 'families')
+
+    if view == 'zones':
+        # Vue inventaire : une ligne par type et par salle, avec quantités
+        # agrégées. Les groupes parents sans salle sont ignorés afin de ne
+        # pas compter deux fois leurs groupes localisés.
+        grouped = {}
+        rows = Equipment.query.filter_by(is_deleted=False).all()
+        for eq in rows:
+            room = eq.room
+            if not room or (eq.is_group and eq.children.count()):
+                continue
+            if search and search.lower() not in (eq.name or '').lower():
+                continue
+            if category_id and eq.effective_category_id != category_id:
+                continue
+            if building_id and room.building_id != building_id:
+                continue
+            if status and eq.status != status:
+                continue
+            building = room.building
+            zone = room.zone
+            b = grouped.setdefault(building.id, {'name': building.name, 'zones': {}})
+            z = b['zones'].setdefault(zone.id if zone else 0, {'name': zone.name if zone else 'Sans zone', 'rooms': {}})
+            r = z['rooms'].setdefault(room.id, {'name': room.name, 'types': {}})
+            key = eq.effective_category_id or f'name:{eq.name.lower().split(" #")[0]}'
+            display_name = eq.category.name if eq.category else eq.name.split(' #')[0]
+            item = r['types'].setdefault(key, {'name': display_name, 'category': eq.category.name if eq.category else '—', 'quantity': 0, 'ids': []})
+            item['quantity'] += eq.quantity or 1
+            item['ids'].append(eq.id)
+        zone_tree = [{'id': bid, 'name': b['name'], 'zones': [{'id': zid, 'name': z['name'], 'rooms': [{'id': rid, 'name': r['name'], 'types': list(r['types'].values())} for rid, r in z['rooms'].items()]} for zid, z in b['zones'].items()]} for bid, b in grouped.items()]
+        categories = EquipmentCategory.query.order_by(EquipmentCategory.name).all()
+        buildings = Building.query.order_by(Building.name).all()
+        return render_template('equipments/index.html', zone_tree=zone_tree, view=view, categories=categories, buildings=buildings, statuses=EQUIPMENT_STATUSES, filters={'search': search, 'status': status, 'category': category_id, 'building': building_id})
+
     # Pagination (page courante, 20 parents par page)
     page = request.args.get('page', 1, type=int)
     per_page = 20
@@ -95,7 +129,7 @@ def index():
                          categories=categories,
                          buildings=buildings,
                          statuses=EQUIPMENT_STATUSES,
-                         filters={'search': search, 'status': status, 'category': category_id, 'building': building_id})
+                         filters={'search': search, 'status': status, 'category': category_id, 'building': building_id}, view=view)
 
 
 @main_bp.route('/<int:id>/hierarchy')
diff --git a/app_new/equipments/templates/index.html b/app_new/equipments/templates/index.html
index cdcf4b3..316889f 100644
--- a/app_new/equipments/templates/index.html
+++ b/app_new/equipments/templates/index.html
@@ -7,8 +7,22 @@
     <a href="{{ url_for('equipments.create') }}" class="btn btn-primary btn-sm">
         <i class="bi bi-plus-lg"></i> <span class="d-none d-sm-inline">Nouvel</span><span class="d-sm-none">+</span>
     </a>
+    <div class="btn-group btn-group-sm ms-2">
+        <a class="btn {{ 'btn-primary' if view != 'zones' else 'btn-outline-primary' }}" href="{{ url_for('equipments.index', view='families') }}"><i class="bi bi-diagram-3"></i> Par familles</a>
+        <a class="btn {{ 'btn-primary' if view == 'zones' else 'btn-outline-primary' }}" href="{{ url_for('equipments.index', view='zones') }}"><i class="bi bi-signpost-split"></i> Par zones et salles</a>
+    </div>
 </div>
 
+{% if view == 'zones' %}
+<div class="alert alert-info py-2"><i class="bi bi-info-circle"></i> Les quantités sont regroupées par zone, salle et type d’équipement. Les groupes parents sont exclus pour éviter les doublons.</div>
+{% for building in zone_tree %}
+<div class="card border-0 shadow-sm mb-3"><div class="card-header fw-semibold"><i class="bi bi-building"></i> {{ building.name }}</div><div class="card-body">
+{% for zone in building.zones %}<div class="ms-2 mb-3"><h6><i class="bi bi-signpost-split"></i> {{ zone.name }}</h6>
+{% for room in zone.rooms %}<div class="border rounded p-2 mb-2 ms-3"><strong><i class="bi bi-door-open"></i> {{ room.name }}</strong><div class="table-responsive"><table class="table table-sm mb-0 mt-1"><tbody>{% for item in room.types %}<tr><td>{{ item.name }}</td><td class="text-muted">{{ item.category }}</td><td class="text-end"><span class="badge bg-primary">{{ item.quantity }}</span></td></tr>{% endfor %}</tbody></table></div></div>{% endfor %}
+</div>{% endfor %}</div></div>
+{% else %}<div class="text-center text-muted py-4">Aucun équipement localisé ne correspond aux filtres.</div>{% endfor %}
+{% else %}
+
 <!-- Filtres -->
 <div class="card border-0 shadow-sm mb-3">
     <div class="card-body py-2">
@@ -135,4 +149,5 @@
     <p class="mt-2">Aucun équipement</p>
 </div>
 {% endif %}
-{% endblock %}
\ No newline at end of file
+{% endif %}
+{% endblock %}