AC size chart by room size (India)

Find your room below. Each page gives the size for a shaded room, a normal room and a top-floor or west-facing room, plus the monthly bill. Sized for a hot Indian summer.

Room	sq ft	Shaded room, lower or middle floor	Normal sun, middle floor	West-facing or top floor
8x10	80	1 ton	1 ton	1 ton
10x10	100	1 ton	1 ton	1.5 ton
10x12	120	1 ton	1.5 ton	1.5 ton
11x12	132	1.5 ton	1.5 ton	1.5 ton
10x14	140	1.5 ton	1.5 ton	2 ton
12x12	144	1.5 ton	1.5 ton	2 ton
10x15	150	1.5 ton	1.5 ton	2 ton
160 sq ft	160	1.5 ton	2 ton	2 ton
12x14	168	1.5 ton	2 ton	2 ton
13x13	169	1.5 ton	2 ton	2 ton
12x15	180	2 ton	2 ton	2.5 ton
12x16	192	2 ton	2 ton	2.5 ton
14x14	196	2 ton	2 ton	2.5 ton
200 sq ft	200	2 ton	2.5 ton	2.5 ton
14x16	224	2.5 ton	2.5 ton	2.5 ton
15x15	225	2.5 ton	2.5 ton	2.5 ton
240 sq ft	240	2.5 ton	2.5 ton	3 ton
250 sq ft	250	2.5 ton	2.5 ton	3 ton
16x16	256	2.5 ton	2.5 ton	3 ton
15x18	270	2.5 ton	3 ton	2 x 2 ton
15x20	300	3 ton	3 ton	2 x 2 ton
16x20	320	3 ton	2 x 2 ton	3 x 2 ton
350 sq ft	350	2 x 2 ton	2 x 2 ton	3 x 2 ton
18x20	360	2 x 2 ton	3 x 2 ton	3 x 2 ton
20x20	400	3 x 2 ton	3 x 2 ton	VRF or ducted system
450 sq ft	450	3 x 2 ton	VRF or ducted system	VRF or ducted system
20x25	500	VRF or ducted system	VRF or ducted system	VRF or ducted system
20x30	600	VRF or ducted system	VRF or ducted system	VRF or ducted system

Assumes a 10 ft ceiling. In mild cities like Bengaluru or Pune, one size smaller is often enough.

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