If you arrange furnishings in a certain way, your apartments get a "special room" status that can boost rent, comfort, and the stats of the furnishings involved. Special rooms can be shared in one room. There are a total of 70 special room combinations, listed below.
Special Rooms
Name
Item 1
Item 2
Floor
Rent
Comf.
In
Fi
Ho
Ch
Bedroom
Bed
Lamp or Floor Lamp
Cushion Flooring
+0.2K
+3
+
+
+
+
Chic Bedroom
Chic Bed
Aquarium
Carpet
+0.6K
+8
+
+
+
+
Gaudy Bedroom
Pink Bed
Heart Rug
Pink Floor
+0.7K
+9
+
+
+
+
Kids' Room
Crib
Space Robot
Green Floor
+0.6K
+8
+
+
+
+
Modern Kitchen A
Cupboard
Refrigerator
Orange Floor
∅
+8
∅
+
∅
∅
Modern Kitchen B
Kitchen
Microwave
Orange Floor
∅
+8
∅
+
∅
∅
Ordinary Kitchen
Kitchen
Refrigerator
Flooring
+0.2K
+3
+
∅
∅
∅
Unit Bathroom
Unit Bath
Toilet
Tile
∅
+3
∅
∅
∅
+
Bathing Room
Shower
Bathtub
Tile
∅
+4
∅
∅
∅
+
Laundry Room
Vanity or Basin
Washing Machine or Combo Washer or Washer-Dryer
Tile
+0.2K
∅
∅
+
∅
∅
Hygiene Hazard
Urinal
Kitchen
∅
∅
-8
∅
-
∅
∅
Hygiene Disaster
Toilet
Custom Kitchen or Island Kitchen
∅
∅
-12
∅
-
∅
∅
Scheduling Room
Calendar
Wall Clock
∅
∅
+1
+
∅
∅
∅
Playroom
Game Console
Colorful Rug
∅
∅
+2
∅
∅
+
∅
Comfy Room
Casual Rug
Cushion
∅
∅
+2
∅
+
∅
∅
Clothesline Room
[Any] Curtains
Drying Rack
∅
+0.4K
+6
∅
∅
∅
+
Drying Area
Drying Rack
Flower Vase or Plant or Flower Bed
Balcony
∅
+11
+
+
+
+
Pet Room
Pet Bed
[Any] Rug
Carpeting
∅
+9
∅
∅
∅
+
Pet Garden
Pet House
Flower Vase or Plant or Flower Bed
∅
+0.1K
+2
∅
+
∅
∅
Living Room
L-Shaped Sofa
60" TV
Flooring
+0.4K
+5
∅
∅
+
∅
Toasty Room
Kotatsu
Fireplace
Carpet
+0.6K
+8
∅
+
∅
∅
Tatami Room
Low Table
Floor Cushion
Tatami Mats
+0.2K
+2
∅
+
∅
∅
Procrastination A
Study Desk
HDTV or Analog TV
∅
∅
-5
-
∅
∅
∅
Procrastination B
White Desk
60" TV
∅
∅
-7
-
∅
∅
∅
Study Room
Study Desk or White Desk or Red Desk or Black Desk or Table or Dining Table