HDB Interior Design Singapore: Common Bedroom Aircon Planning
HDB interior design Singapore must plan aircon early, and the common bedroom is where most owners under-spec the unit. HDB rules on no hacking of structural walls and the noise window shape where the piping and the trunking can run, so the plan starts at the permit stage.
Why HDB interior design Singapore plans the common bedroom duct early
A common bedroom in a 4-room flat near 90 sqm often takes a 0.75 to 1.0 horsepower unit, but the trunking route matters more than the horsepower. Piping must avoid load-bearing walls and beams, and it runs with the rest of the system on the HDB renovation permit. Your HDB Licensed Renovation Contractor draws the route before the ceiling closes.
Steps to plan the common bedroom aircon
- Decide the bedroom use. A study guest room needs less cooling than a daily sleeper.
- Map the trunking along the corridor so it shares the living run and cuts a second chase.
- Keep the FCU off the window grille wall so the grille stays removable for child safety.
- Set the drain slope in the permit drawing to avoid the 9am to 6pm noise of a redo.
- Order the unit to land on the BTO renovation timeline before painting and make-good.
Pair cooling with HDB flat space saving
A built-in wardrobe along the non-grille wall frees floor space and hides the trunking behind laminate carpentry. Use HDB approved flooring that continues under the wardrobe so the room reads larger. In a 3-room flat of about 60 to 65 sqm, this combo is the main way to cool and store without losing square metre.
For an HDB open concept kitchen nearby, keep the bedroom door tight so cooled air does not leak to the living volume you cool separately.
Cost and timing
A 4-room BTO renovation runs about S$30,000 to S$45,000 in the market, and the aircon is a fixed slice booked early. Resale flats near S$50,000 to S$70,000 often need a new system with the rewire, so plan the duct with the permit from week one. The HDB renovation permit takes about 2 weeks, and the cooling plan should clear with it.
How HDB interior design Singapore cools a shared flat
A shared flat cools best when each zone is speced to use, not to the largest number on the brochure. The common bedroom, the master, and the living each get a unit sized on the BTO renovation timeline and drawn on the HDB renovation permit. Your HDB Licensed Renovation Contractor balances the trunking so no room steals air from another.
Use HDB approved flooring and laminate carpentry to hide the runs, and plan HDB flat space saving around the wardrobe so the FCU sits clear of the window grille. An HDB open concept kitchen nearby stays cool only if the bedroom door is kept shut during the day.
Whole-house customization puts the common bedroom aircon on the same drawing as the rest of the flat. One team sets the trunking, the wardrobe, and the flooring so the unit cools well and disappears into the carpentry. Talk to a renovation firm that plans cooling across the whole home so the bedroom stays quiet and the ceiling stays clean.
