How to choose the right size mini split for your space

Picking the right mini-split size is crucial for energy efficiency, comfort, and performance. Too small, and it won’t keep up. Too big, and you’ll waste energy. Here’s how to decide:


โœ… Step 1: Measure Your Space


Determine the square footage of the room or area you want to heat and cool:
๐Ÿ“ Formula: Length (ft) × Width (ft) = Square Feet


โœ… Step 2: Match with the Right BTU Size


Mini-splits are sized in BTUs (British Thermal Units)—the higher the BTU, the more powerful the system.


Room Size (sq. ft.)

Recommended BTU


150 - 600 sq. ft.

12,000 BTU


600 - 800 sq. ft.

18,000 BTU


800 - 1,200 sq. ft.

24,000 BTU


1,200 - 1,500+ sq. ft.

30,000+ BTU


โœ… Step 3: Consider Other Factors


โœ”๏ธ Ceiling Height: High ceilings may require a larger unit.
โœ”๏ธ Sun Exposure: Rooms with large windows or direct sunlight might need more BTUs.
โœ”๏ธ Insulation Quality: Poor insulation? Go one size up to maintain comfort.
โœ”๏ธ Number of People & Appliances: More heat sources = more cooling power needed.


๐Ÿ’ก Still unsure? Let EZ Cool & Heat Mini Splits help you find the perfect fit for your space!

A white air conditioner is mounted on the side of a building.

Where Should You Install a Mini Split? Things to Keep in Mind!

Mini-splits are versatile, but placement matters for efficiency, comfort, and performance. Here’s what to consider when deciding where to install yours:


โœ… 1. Room Size & Usage

Are you cooling/heating one room or multiple areas?

Mini-splits are perfect for bedrooms, living rooms, garages, offices, and even basements!


โœ… 2. Wall Space & Mounting Height

Install the indoor unit high on the wall (about 6-7 feet up) for even airflow.


โœ… 3. Airflow & Obstructions

Avoid placing it behind furniture, curtains, or walls that block airflow.

Make sure the air can circulate freely for maximum efficiency.


โœ… 4. Outdoor Unit Placement

Needs a well-ventilated area (not enclosed).

Should be at least 1 foot away from walls for proper airflow.

Recommended to keep it off the ground to prevent dirt or snow buildup.


โœ… 5. Noise Considerations

Mini-splits are quiet, but avoid placing the indoor unit right above your bed if you're a light sleeper.

The outdoor unit should be placed where noise won’t disturb your neighbors or your relaxation spots.

๐Ÿ’ก Choosing the right spot makes all the difference! Need help finding the best placement? EZ Cool & Heat Mini Splits has you covered! ๐Ÿ“ฒโ„๏ธ๐Ÿ”ฅ