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What Air Con Unit Is Right for You?

When choosing the best air conditioning unit for your space, one of the factors to consider is its BTU (British Thermal Units) rating. Understanding BTUs and how they relate to room size can help you select the perfect air conditioner to keep your home or office comfortable all year round.

What is BTU

BTU, which stands for British Thermal Unit, serves as a unit of measurement for energy in the heating and cooling industry. In simple terms, it quantifies the amount of heat an air conditioner can eliminate from a room within an hour.

What does the BTU number mean?

The BTU number displayed on an air conditioning unit signifies its cooling or heating capacity. It tells you how powerful the unit is at cooling a space. Generally, the higher the BTU rating, the more potent the air conditioner. However, it’s essential to understand how this number relates to your specific needs.

What affects the BTU number?

Several factors influence the ideal BTU rating for a particular room:

1. Room Size: The most fundamental factor is the size of the room. Larger rooms require air conditioners with higher BTU ratings to cool the space effectively.

2. Insulation: Well-insulated rooms retain cool air better, so they may require fewer BTUs. Conversely, poorly insulated rooms may need higher BTU units to compensate for heat gain. This also includes the glazing on your windows, single or double glazing.

3. Sunlight Exposure: Rooms that receive a lot of direct sunlight can become significantly hotter and may need a higher BTU air conditioner to counteract the heat.

4. Occupancy: A room with more people or equipment (such as a kitchen) generates additional heat, necessitating a higher BTU unit.

watts per m2 2.0kw 2.5kw 3.5kw 5.0kw 6.0kw 7.1kw
Living Room 125 16m2 20m2 28m2 40m2 48m2 56m2
Home Office 125 16m2 20m2 28m2 40m2 48m2 56m2
Kitchen 125 16m2 20m2 28m2 40m2 48m2 56m2
Bedroom 125 16m2 20m2 28m2 40m2 48m2 56m2
Loft Bedroom 150 13m2 16m2 23m2 33m2 40m2 47m2
Conservatory 200 10m2 12m2 17m2 25m2 30m2 35m2
Garden Room 200 10m2 12m2 17m2 25m2 30m2 35m2

How much does air conditioning cost?

When it comes to the cost of air conditioning, the unit’s power capacity plays a significant role. More powerful units tend to be pricier compared to their less potent counterparts. Therefore, the larger the room you need to regulate, the more you can expect to pay for a suitable air conditioning solution.

If you are ever unsure about what air conditioning unit will be perfect for your commercial or domestic property, contact one of our team to advise you on the best option for your space.