BUY AN AC OF TONNAGE ACCORDING TO ROOM SIZE! Room size is definitely a crucial factor, but it’s not the only one to consider when buying an AC unit. Here’s what you need to know to determine the right tonnage for your room:
Square Footage is a Starting Point:
- A general rule of thumb exists for tonnage based on square footage. This offers a starting point for your research:
- 80-120 Sq. Ft (7.4-11.1 m²) – 1 Ton (12,000 BTU)
- 140-160 Sq. Ft (13-14.9 m²) – 1.5 Ton (18,000 BTU)
- 180-200 Sq. Ft (16.7-18.6 m²) – 1.8 Ton (22,000 BTU)
- 240-260 Sq. Ft (22.3-24.2 m²) – 2.5 Ton (30,000 BTU)
Other Important Factors:
- Climate: Hotter climates require more powerful ACs.
- Sun exposure: South-facing rooms receive more sun and may need a larger unit.
- Insulation: Well-insulated rooms lose heat/coolth slower, needing a less powerful AC.
- Ceiling height: Higher ceilings require more cooling power.
- Number of occupants: More people generate more heat, impacting the AC’s workload.
- Appliance heat gain: Electronics and ovens generate heat, requiring a larger AC.
Finding the Perfect AC:
- Measure your room’s square footage.
- Consider the additional factors mentioned above.
- Use online BTU calculators: These factors are incorporated to suggest a BTU range. [Example calculators can be found with a web search for “BTU calculator”]
- Convert BTU to tonnage: 1 Ton = 12,000 BTU. So, a 24,000 BTU recommendation translates to a 2 Ton AC.
- Consult an HVAC professional: They can consider all the specifics and recommend the most efficient AC for your needs.
Remember, an improperly sized AC can be inefficient and lead to higher energy bills. By considering all the factors and consulting a professional, you can ensure you get the perfect AC for your room!
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