Due to climate change and El Nino phenomena, 2023 is predicted to be a record-breaking hot year globally. In Vietnam, temperatures have already reached 43°C in many areas since early summer. With slight increases in electricity prices, many people are in need of energy-efficient air conditioners to cope with the upcoming heat.
It's great news that currently, for around $250, users can purchase a 9000 BTU inverter AC that is energy-saving and suitable for bedrooms and living rooms under 15m2 in their homes.
1. Casper TC-09IS35 9000 BTU Inverter Single-Way Air Conditioner
Introduced by a Thai brand to the Vietnamese market in early 2023, the Casper TC-09IS35 is now priced from only $250. With installation costs, it's just under $300, providing an effective cooling solution for summer 2023.

Featuring inverter compressor and i-Saving technology, this single-way 9000 BTU AC is highly energy-efficient with a CSPF rating of 4.31, ensuring users need not worry about electricity bills.
In addition, this energy-saving Casper AC is equipped with a 3-stage filter to eliminate harmful formaldehyde, odors, ensuring user comfort. Its cooling capability is guaranteed with high-performance R32 refrigerant and premium compressor.
This Casper AC is also a popular choice among many. After a period of use, most users praise its cooling efficiency and energy-saving features.
2. Aqua AQA-RV9QC 9000 BTU Inverter Single-Way Air Conditioner
Although its listed price is 9.39 million VND, according to Mytour data, many stores are selling the Aqua AQA-RV9QC AC for only 5.8 million VND. Including installation costs and copper pipes, the total cost to use this 9000 BTU inverter AC is just under 7 million VND.

Introduced in 2023, the Aqua AQA-RV9QC single-way inverter AC boasts impressive energy savings with a CSPF rating of 4.54 and a power consumption of only 0.87kW/h, alleviating concerns about electricity bills.
In addition, this 9000 BTU single-way inverter AC is also equipped with the latest R32 refrigerant, providing deep cooling capability with high efficiency, and being environmentally friendly.
3. Comfee Inverter 10000 BTU Single-Way Air Conditioner CFS-10VDGF-V
As a newcomer to the market, Comfee brand quickly gained attraction thanks to its quality and modern technology products, and the Comfee 10000 BTU CFS-10VDGF-V air conditioner model is no exception.

Firstly, its energy-saving capability is ensured by the inverter compressor and E-Max processor, maintaining the compressor's operating frequency as low as 12Hz. This leads to impressive energy savings with a CSPF rating of 4.37, so users need not worry about monthly electricity bills.
In addition, this inverter AC is also equipped with a 2-stage filter with dust filter and activated carbon filter to provide a fresh environment. Especially, it is AI integrated allowing users to control this Comfee air conditioner with voice commands, making it the smartest 9000 BTU inverter AC with the most modern features today.
According to Mytour statistics, the price of the Comfee CFS-10VDGF-V air conditioner is currently only from 5.8 million VND. Including installation - copper pipes, accessories... the total cost to use this inverter AC is less than 7 million VND.
4. Casper GC-09IS35 9000 BTU Single-Way Inverter Air Conditioner
With a starting price of only 5.6 million VND, the Casper GC-09IS35 is also one of the newly launched budget-friendly 9000 BTU inverter air conditioners in 2023. With a CSPF rating of 4.59, users need not worry about electricity costs when using this product.

In addition, this Casper 9000 BTU AC is also equipped with the latest R32 refrigerant for efficient cooling and various modes for user selection.
Alongside the 2-year official warranty for the entire unit and 12-year warranty for the compressor, users can also trust the durability of this product.
Note: The Energy Efficiency Rating (CSPF) reflects the air conditioner's energy-saving capability. The higher the rating, the more energy-efficient the air conditioner.
It is hoped that with the selection of these budget-friendly 9000 BTU inverter air conditioners, users now have an affordable energy-saving cooling solution for their bedrooms and living rooms.
