Best 1.5 Ton Inverter AC for a 150 sq ft Room India 2026

A 1.5 ton inverter split AC suits a room of about 150 square feet in most Indian cities, and the best picks come from Daikin, LG, Samsung, Voltas and Blue Star, with good 3-star and 5-star models roughly between ₹35,000 and ₹55,000. A 1 ton unit is usually enough up to around 100 to 120 square feet, while very sunny top-floor rooms may need extra capacity.

This shortlist is researched from listings and published specifications, not hands-on testing. A 150 square foot room is right on the boundary between a 1 ton and a 1.5 ton unit, so what decides it is the room itself: sun on the walls, floor level, ceiling height and how many people use it, which a seller or installer can help you judge.

Prices below are approximate and can change during sales, so check the live price on Amazon before you buy.

Quick Pick: Start with a 1.5 ton, 3-star or 5-star inverter split from Daikin or LG, roughly ₹38,000-52,000. Check 1.5 ton inverter ACs on Amazon

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1. Daikin Inverter Split Range

Roughly ₹38,000-60,000. Daikin is known for efficient inverter compressors and quiet running, with a wide range of 3-star and 5-star models. That reputation comes with a higher price than some rivals.

Search Daikin 1.5 ton ACs on Amazon

2. LG Dual Inverter Range

Roughly ₹36,000-58,000. LG's dual inverter models vary compressor speed smoothly and many include Wi-Fi control and strong filters.

Search LG 1.5 ton ACs on Amazon

3. Samsung WindFree Range

Roughly ₹40,000-62,000. Samsung's WindFree models spread cooled air through small holes to avoid a direct cold blast, with inverter efficiency. The comfortable airflow is the reason for the higher price.

Search Samsung 1.5 ton ACs on Amazon

4. Voltas Inverter Range

Roughly ₹33,000-48,000. Voltas is a widely sold Indian brand with a broad range of inverter ACs and service reach.

Search Voltas 1.5 ton ACs on Amazon

5. Blue Star Inverter Range

Roughly ₹36,000-52,000. Blue Star is a cooling specialist with strong high-ambient performance on many models, so it holds up in peak summer. Features differ from model to model.

Search Blue Star 1.5 ton ACs on Amazon

6. Hitachi and Carrier Options

Roughly ₹38,000-55,000. Hitachi and Carrier offer inverter ACs with good build, and some models focus on dust protection and long-lasting coils. Availability is thinner in some cities.

Search Hitachi 1.5 ton ACs on Amazon

How to Size an AC for 150 sq ft

Start with the room area. As a rough guide, up to about 100 to 120 square feet suits 1 ton, around 120 to 180 square feet suits 1.5 ton and larger rooms need 2 ton.

Adjust for conditions. Top-floor rooms, west-facing walls, large windows, a tall ceiling or a kitchen next door raise the load, and a more efficient 1.5 ton with a good inverter handles this better than a smaller unit.

Choose the star rating. A 5-star model costs more upfront and typically uses less electricity, so the savings depend on how many hours you run it each year.

Running It Efficiently

Set the thermostat to around 24 to 26 degrees, use the sleep or eco mode, keep doors and windows closed and clean the filters monthly. A ceiling fan on low speed helps spread cool air and lets you use a slightly higher setting.

Installation Details That Affect Cost

Basic installation often covers a short length of copper piping, a drain pipe and mounting, while extra piping, an outdoor stand or wall cutting costs more. Ask what is included, and get the installer to confirm the position of the indoor unit, the outdoor unit and the drain before work starts. A neat installation reduces noise and leaks.

Who Should Skip This

If your room is a shaded, lightly used 110 to 120 square feet bedroom, a 1.5 ton unit will cost more upfront and may cool in short bursts, so a 1 ton inverter is the sensible choice. If you only run the AC a few weeks a year, the higher price of a 5-star model will take many seasons to repay.

Recommendation

For most 150 square foot rooms, a 1.5 ton inverter split from Daikin, LG or Voltas is a sensible choice. Match the capacity to your room conditions first, and then compare the compressor warranty and installation terms.