A 1-ton AC suits rooms up to 120 sq ft. A 1.5-ton AC covers 120 to 180 sq ft, which matches most bedrooms and offices in Bangladesh apartments. A 2-ton AC is right for 180 to 250 sq ft drawing rooms and larger spaces. In Bangladesh's climate, always choose inverter technology for daily use. A 1.5-ton inverter AC uses 6.4 to 8.8 units per 8-hour day, versus 12 to 14.4 units for a non-inverter model of the same size, saving ৳1,000 to ৳1,700 per month. Getting the tonnage wrong costs you in two ways. A too-small AC runs at full power continuously without properly cooling the room, raising your electricity bill while delivering poor comfort. Too large an AC short-cycles, cooling the air without removing humidity, leaving the room feeling cold but damp. This post covers room sizing, electricity cost calculations using BPDB rates, price ranges, inverter vs non-inverter guidance, and brand recommendations for all three tonnage levels.

Which AC Size Is Right for Your Room in Bangladesh?

Choosing the wrong AC tonnage is one of the most common and costly mistakes air conditioner buyers make in Bangladesh. The right size depends on your room's square footage, ceiling height, sun exposure, and how many people use the space. That’s why we talk today about the 1-ton vs 1.5-ton vs 2-ton AC question with real numbers, Bangladesh-specific electricity cost calculations, and direct recommendations for every room type and budget. Browse the full AC range at EERNA across all tonnage levels and brands.

Why Choosing the Right AC Ton Capacity Matters in Bangladesh

Bangladesh's climate makes tonnage selection more consequential than in most countries. With peak summer temperatures of 38 to 42 degrees Celsius in Dhaka and months of high humidity during the monsoon season, an undersized AC works at maximum load all day without achieving comfortable indoor temperatures. 

The compressor burns out faster, electricity bills are higher, and comfort never reaches the level it should. 

Oversizing is also a problem. A 2-ton AC in a 100 sq ft room cools the air so quickly that it shuts off before it removes humidity, leaving occupants feeling cold and damp rather than comfortably cool.

What Is AC Tonnage? (Explained Simply)

AC tonnage refers to how much cooling an air conditioner can provide, rather than how heavy it is. It indicates the amount of heat the system can extract from a space within an hour. The phrase originated in the early refrigeration era, when cooling capacity was compared to the melting of large ice blocks.

Tonnage = Cooling Capacity, Not Weight

AC tonnage has nothing to do with how heavy the air conditioner is. One ton of AC cooling capacity means the unit can remove 12,000 BTU (British Thermal Units) of heat per hour from the air. 

A 1.5 ton AC removes 18,000 BTU per hour. A 2-ton AC removes 24,000 BTU per hour. The higher the tonnage, the more heat the AC can remove from a room in a given time, and therefore the larger the space it can cool effectively.

How Tonnage Affects Cooling Performance

Tonnage determines how quickly and how completely an AC can cool a space. A correctly sized 1.5-ton AC for a 150 sq ft room reaches the target temperature faster, maintains it more steadily, and removes humidity more effectively than a 1-ton unit struggling to handle the same room. 

It also uses less electricity than a 1-ton unit running at full capacity for extended periods to achieve the same outcome.

What Happens If You Choose the Wrong AC Size?

• Too small (undersized): AC runs continuously at full power. The room never reaches a comfortable temperature. The compressor wears out faster. Higher electricity bill for less cooling.

• Too large (oversized): AC cools too quickly and shuts off before removing humidity. The room feels cold, damp, and uncomfortable. Short-cycling reduces unit lifespan.

• Correctly sized: AC reaches target temperature efficiently, maintains it steadily, removes humidity, and runs at optimal compressor speed for minimum electricity use.

How to Choose AC Size Based on Your Room Size in Bangladesh

The table below maps room sizes to the correct AC tonnage for Bangladesh's climate. International sizing guides assume lower ambient temperatures. The Bangladesh-specific rule: if your room is at the upper end of a size bracket, has west-facing windows, is on a top floor, or has poor ceiling insulation, choose the next higher tonnage.

1 Ton AC: Small Bedrooms and Studies

• Best Room Size: Perfectly suited for spaces up to $120\text{ sq ft}$ under standard conditions.

• Ideal Use Cases: Excellent for single bedrooms, study rooms, and home office setups.

• Crucial Exception: If your room faces west and receives heavy afternoon sun, or if the ceiling is higher than 9 feet, you should choose a 1.5-ton unit instead to ensure proper cooling. 

2 Ton AC: Large Living Rooms and Offices

• Best Room Size: Designed to cover larger areas measuring 180 to 250 sq ft

• Ideal Use Cases: Best for drawing rooms, shared dining areas, and spacious corporate offices.

• Crucial Exception: This capacity is essential for open-plan Dhaka apartments of 200 sq ft or more, as it easily handles the heat load from multiple family members and large window areas.

1 Ton vs 1.5 Ton vs 2 Ton AC: Electricity Consumption in Bangladesh

AC tonnage refers to cooling capacity, not weight. In Bangladesh, electricity consumption depends largely on your room size, whether the unit is an inverter or non-inverter, and your current usage tier under the BPDB/DESCO tariff slabs.

How Much Electricity Does an AC Use in Bangladesh?

An inverter AC consumes 30% to 50% less electricity compared to a non-inverter model of the same capacity. Under current BPDB and DESCO residential rates, a 1.5-ton inverter AC running for 8 hours daily costs between BDT 1,536 and BDT 2,640 per month, saving you up to BDT 1,700 monthly compared to a non-inverter model.

Hourly AC Power Consumption and Wattage

An AC's wattage determines how much electricity it draws per hour. Inverter models adjust to cooling demand, while non-inverter models always run at full power.

For a 1-ton unit, non-inverter models draw 1,100 to 1,200 W while inverter models average 600 to 800 W, consuming 8.8 to 9.6 units and 4.8 to 6.4 units per 8 hours, respectively. 

A 1.5-ton non-inverter draws 1,500 to 1,800 W against the inverter's 800 to 1,100 W, using 12 to 14.4 units versus 6.4 to 8.8 units. 

A 2-ton non-inverter draws 2,000 to 2,400 W while the inverter averages 1,100 to 1,500 W, consuming 16 to 19.2 units against 8.8 to 12 units per 8 hours.

Estimated Monthly Bill at Current BPDB and DESCO Rates

Based on 8 hours daily for 30 days at BDT 8 to BDT 10 per unit, a 1-ton non-inverter costs BDT 2,100 to 2,900 monthly versus BDT 1,150 to 1,920 for an inverter, saving up to BDT 1,000. 

A 1.5-ton non-inverter costs BDT 2,880 to 4,320 against BDT 1,536 to 2,640 for an inverter, saving up to BDT 1,700. 

A 2-ton non-inverter costs BDT 3,840 to 5,760, compared to BDT 2,112 to 3,600 for an inverter, saving up to BDT 2,200 per month.

Which AC Tonnage Is Most Energy Efficient?

The most efficient AC is always the one correctly matched to your room size. An undersized unit running at maximum capacity will consume more electricity than a properly sized one. 

Match the tonnage to your room first, then choose inverter technology to keep monthly bills as low as possible.

1 Ton vs 1.5 Ton vs 2 Ton AC Price in Bangladesh (2025 to 2026)

AC prices in Bangladesh vary by tonnage, technology (inverter vs non-inverter), brand, and features. The table below gives current price ranges for all three tonnage levels at EERNA. 

1 Ton AC Price Range in Bangladesh

A 1-ton non-inverter AC starts at around BDT 28,000 and reaches BDT 38,000 for established brands. Inverter models range from BDT 35,000 to BDT 75,000 for premium options with high ISEER ratings. 

For rooms used 6 or more hours daily, the inverter premium typically pays back within 2 to 3 years.

1.5 Ton AC Price Range in Bangladesh

A 1.5-ton non-inverter AC ranges from BDT 32,000 to BDT 45,000. Inverter models start at BDT 45,000 and go up to BDT 95,000 for premium units with WiFi control and advanced filtration. 

2 Ton AC Price Range in Bangladesh

A 2-ton non-inverter AC starts at BDT 48,000, while inverter models range from BDT 62,000 to BDT 1,30,000 for top-tier options. 

The electricity savings at this capacity are higher than at smaller units, making the inverter's payback period shorter for rooms used daily.

This segment offers the widest variety of models and the best value among mid-range brands in Bangladesh.

1 Ton vs 1.5 Ton vs 2 Ton AC: Full Comparison at a Glance

The table below provides a complete side-by-side view of all three tonnage levels across the key decision factors for Bangladeshi buyers.

Should You Get an Inverter AC? How It Affects Your Ton Choice

For any AC used more than 6 hours daily, an inverter model saves enough on electricity to recover its higher price within 2 years. For light or occasional use, a non-inverter may be the more practical upfront choice.

What Is an Inverter AC?

An inverter AC uses a variable speed compressor that adjusts its output based on cooling demand rather than switching fully on and off. 

Once the room reaches the set temperature, it slows down to maintain it, using 30 to 50 percent less electricity than a non-inverter system for the same cooling output. For a full breakdown, see the guide on inverter vs non-inverter AC.

Inverter AC Benefits at Each Tonnage Level

A 1-ton inverter saves BDT 700 to 1,000 per month at 8 hours daily use, making it ideal for small bedrooms used every night. 

A 1.5-ton inverter saves BDT 1,000 to 1,700 per month and offers the best overall return for the most common room size in Bangladesh. 

A 2-ton inverter saves BDT 1,400 to 2,200 per month, offering the highest absolute savings and the fastest payback period of the three sizes.

Is an Inverter AC Worth the Extra Price in Bangladesh?

For rooms used more than 6 hours daily, yes. Across Bangladesh's April to October hot season, a 1.5 ton inverter saves BDT 7,000 to 11,900 per season compared to a non-inverter. 

The typical price premium of BDT 12,000 to 18,000 is recovered within 1.5 to 2.5 years. For guest rooms or occasional use under 4 hours daily, the payback stretches to 5 or more years, making a non-inverter the more sensible option.

Which AC Should You Buy? Recommendations by Room Type

The right AC size depends on your room dimensions and heat load. Oversizing causes short cycling, while undersizing causes the unit to run at maximum load all day, both of which waste electricity and reduce lifespan.

Best AC for Small Bedroom (100 to 120 sq ft): 1 Ton

A 1-ton inverter split AC is the right fit for small bedrooms and study rooms of 100 to 120 sq ft. Going up to 1.5 tons at this size causes short cycling. Strong value options include the Gree Fairy 1 Ton Inverter and Midea Mission 1 Ton, while General (Fujitsu) 1 Ton is the premium pick for durability. 

Best AC for Master Bedroom and Living Room (130 to 180 sq ft): 1.5 Ton

A 1.5-ton inverter split AC is the most popular and appropriately sized unit for Bangladesh's typical master bedroom and medium-sized living room. 

The Gree Fairy 1.5T, Samsung WindFree 1.5T, and General 1.5T cover the budget-to-premium range well. 

Best AC for Drawing Room and Office (180 to 250 sq ft): 2 Ton

A 2-ton inverter split AC suits drawing rooms, open-plan offices, and commercial spaces measuring 180 to 250 sq ft. 

It reaches comfortable temperatures quickly without straining the compressor. The General 2 Ton and Gree 2 Ton Inverter series are the strongest performers in this segment. 

Best AC for Dhaka Apartments with High Heat Load: Go 0.5 Ton Up

Older buildings with poor insulation, top-floor units with direct roof exposure, and rooms with large west-facing windows all accumulate more heat than standard sizing charts account for. 

The practical rule in Bangladesh is simple. If your room is near the upper limit of a size bracket or has any of these conditions, choose the next higher tonnage for reliable, efficient cooling.

Best AC Brands to Consider in Bangladesh (1T, 1.5T and 2T)

General (Fujitsu): Premium Choice

General, manufactured by Fujitsu General, is the benchmark for premium AC performance in Bangladesh. Known for exceptional build quality, superior cooling in extreme heat, and long compressor lifespans, the brand is the most recommended by HVAC professionals across all three tonnage levels. 

Service centers are well established in Dhaka and major divisional cities. The higher price reflects the best long-term value for premium buyers.

Gree: Best Value for Money

Gree is the world's largest AC manufacturer by volume and the strongest value brand in Bangladesh across all three tonnage levels. 

The Fairy Inverter series covers 1-ton, 1.5-ton, and 2-ton models with high energy efficiency and reliable performance in Bangladesh's heat. 

The service network spans Dhaka, Chittagong, Sylhet, Rajshahi, and other divisional cities. For certified inverter performance at an accessible price, Gree is the consistent recommendation.

Midea: Budget Friendly Pick

Midea offers the most accessible entry point for inverter AC technology in Bangladesh. The Mission series delivers genuine inverter performance with solid energy efficiency at prices BDT 5,000 to 10,000 below comparable Gree or Samsung models. 

The service network has expanded significantly since 2023. For first-time buyers or secondary rooms where budget is the priority, Midea inverter models deliver strong value without compromising core performance.

Samsung and LG: Smart Feature Leaders

Samsung and LG lead in smart AC features for buyers who want WiFi control, app scheduling, and smart home integration. 

Samsung's WindFree technology eliminates a direct cold-air blast, reducing discomfort near the vent. 

LG's ThinQ platform offers remote monitoring and scheduling. Both brands maintain strong authorized service networks across Bangladesh and are premium in price but strong in features across all three tonnage levels.

Walton: Local Brand with Wide Service Network

Walton is the leading Bangladesh-origin AC brand and the safest choice for buyers outside major city centers. 

With service centers across all 64 districts, it offers the most accessible after-sales support of any brand in Bangladesh. 

The Kona Plus inverter series covers all three tonnage levels at competitive prices, and its build quality has consistently improved over the past three years. 

For buyers in smaller cities and rural areas, Walton's nationwide coverage is unmatched.

Final Verdict: Which AC Tonnage Is Right for You?

The answer is clear when you match tonnage to room size, honestly:

• 1 ton: Buy this for rooms up to 120 sq ft. Do not oversize for a small bedroom.

• 1.5-ton: Buy this for 120-180 sq ft rooms. This covers most Bangladesh apartment bedrooms and standard office rooms. It is the most popular and best-matched size for Bangladeshi buyers.

• 2-ton: Buy this for 180-250 sq ft drawing rooms, large offices, and open-plan spaces.

• Always choose an inverter: For any room used 6 or more hours daily, inverter technology pays for its premium within 2 to 3 years through electricity savings at current BPDB rates.

• Size up by 0.5 ton: For top-floor rooms, west-facing rooms, or poorly insulated spaces in Dhaka's older buildings.

As the best AC shop in Dhaka, we offer all 1-ton, 1.5-ton, and 2-ton inverter and non-inverter ACs at current prices, with official warranty, available online and in our physical shops.

Browse now or visit our outlet today. 

Frequently Asked Questions on 1 Ton vs 1.5 Ton vs 2 Ton AC

1 ton AC কত ওয়াট বিদ্যুৎ খরচ করে?

১ টন নন-ইনভার্টার AC প্রতি ঘন্টায় ১,১০০ থেকে ১,২০০ ওয়াট এবং ইনভার্টার AC ৬০০ থেকে ৮০০ ওয়াট খরচ করে।

150 sq ft room এর জন্য কোন AC ভালো?

১৫০ বর্গফুট রুমের জন্য ১.৫ টন ইনভার্টার স্প্লিট AC সবচেয়ে উপযুক্ত। এটি দ্রুত ঠান্ডা করে এবং বিদ্যুৎ কম খরচ করে।

1.5 ton vs 2 ton AC: কোনটা কিনবো?

১৮০ বর্গফুটের নিচে রুমের জন্য ১.৫ টন নিন। ১৮০ থেকে ২৫০ বর্গফুটের ড্রয়িং রুম বা বড় অফিসের জন্য ২ টন সঠিক।

ইনভার্টার AC কি সত্যিই বিদ্যুৎ বাঁচায়?

হ্যাঁ। ১.৫ টন ইনভার্টার AC প্রতি মাসে ৳১,০০০ থেকে ৳১,৭০০ সাশ্রয় করে নন-ইনভার্টারের তুলনায়। দিনে ৬+ ঘন্টা ব্যবহারে খুবই লাভজনক।

Bangladesh এ 1.5 ton AC র দাম কত?

বাংলাদেশে ১.৫ টন নন-ইনভার্টার AC এর দাম ৳৩২,০০০ থেকে শুরু এবং ইনভার্টার AC ৳৪৫,০০০ থেকে ৳৯৫,০০০ পর্যন্ত।

AC কেনার আগে কী কী দেখতে হবে?

রুমের আয়তন, টনেজ, ইনভার্টার প্রযুক্তি, EER রেটিং, অটো-রিস্টার্ট ফিচার, ওয়ারেন্টি এবং ব্র্যান্ডের সার্ভিস নেটওয়ার্ক যাচাই করুন।

2 ton AC কি বেশি ঠান্ডা করে?

২ টন AC বড় রুম দ্রুত ঠান্ডা করে। ছোট রুমে ব্যবহার করলে শর্ট-সাইকেল হয়, আর্দ্রতা কমে না এবং কম্প্রেসার দ্রুত নষ্ট হয়।

Walton vs General AC: কোনটা ভালো?

General দীর্ঘস্থায়িত্ব ও পারফরমেন্সে এগিয়ে। Walton দেশব্যাপী সার্ভিস নেটওয়ার্কে সেরা। বাজেট থাকলে General, সার্ভিস সহজলভ্যতার জন্য Walton।