Sun exposure and air-con size

Most condo rooms take sun on one side only: the window or balcony. Enter its direction and your room size to see sun hours, the BTU you need and where the cool air goes.

Location and direction

City

Window / balcony faces Check the project plan, or use your phone compass facing out of the window

Top floor, under the roof

Room

Used as

Width (window side) m

Depth (from the window in) m

Ceiling height m

Glass and balcony

Glass width m · including the balcony door

Glass height m

Balcony or overhang depth m · 0 if none

Blackout curtain or heat film

People and air-con

People usually in the room

Heat-producing devices Computer, games console, large TV

Current air-con BTU · 0 if none yet

Air-con mounted on

Result

Recommended air-con–

Your current unit–

Sun on glass (Mar–May)–

Sun on the glass by month (hours per day)

Morning Afternoon (hotter)

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Ask the architect by email or LINE Room layout planner

BTU per sq.m.: bedroom 700 · living room or daytime use 800 · sunny or under the roof +100 (Toshiba Thailand) · ceiling over 2.7 m +20% · +400 BTU per person above 2 · +400 BTU per heat-producing device (Midea Thailand) · TickD splits the sun allowance into +50 or +100 using the calculated sun hours · Sun positions use solar time and exclude shade from nearby buildings · Estimates only; have an installer survey the room before you buy.

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Sun exposure and air-con size

Result

Sun on the glass by month (hours per day)

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