Updated for Florida Homeowners | Coolax USA
Living in Florida, a reliable and efficient air conditioning system isn’t a luxury—it’s a necessity. But when it’s time to replace your AC, the process can feel overwhelming. With so many models, brands, and features, where do you even begin?
The most important starting point: choosing the right size system for your home.
Why AC Size Matters
Choosing an air conditioner that’s too small means your system will struggle to cool your home—running constantly, using more energy, and wearing down faster. Too big? You’ll face excessive humidity, higher bills, and short cycling that shortens your system’s life.
The solution? Finding the perfect cooling capacity for your home, measured in BTUs (British Thermal Units).
? How to Calculate the Right AC Size for Your Home
Use this Energy Star BTU sizing guide as a reference:
| Home Size (sq ft) | Recommended BTUs |
| 100 – 150 | 5,000 |
| 150 – 250 | 6,000 |
| 250 – 300 | 7,000 |
| 300 – 350 | 8,000 |
| 350 – 400 | 9,000 |
| 400 – 450 | 10,000 |
| 450 – 550 | 12,000 |
| 550 – 700 | 14,000 |
| 700 – 1,000 | 18,000 |
| 1,000 – 1,200 | 21,000 |
| 1,200 – 1,400 | 23,000 |
| 1,400 – 1,500 | 24,000 |
| 1,500 – 2,000 | 30,000 |
| 2,000 – 2,500 | 34,000+ |
?? Smart Adjustments to BTU Estimates
Customize your sizing based on your home’s unique features:
- ? Heavily shaded home? Reduce capacity by 10%.
- ?? Very sunny home? Increase capacity by 10%.
- ????? More than 2 people at home regularly? Add 600 BTUs per extra person.
- ? Frequent kitchen use? Add 4,000 BTUs to account for appliance heat.
? Source: ENERGY STAR
? Need Expert Help Choosing an AC System?
At Coolax USA, we take the guesswork out of buying a new air conditioning system. We provide:
- ? FREE in-home comfort consultations
- ? Detailed load calculations for your property
- ? Honest advice on models that fit your budget, lifestyle, and future plans
- ? Expert installation by licensed HVAC pros
? AC Installation Done Right – The First Time
? Proudly serving Orlando, Winter Springs, Lake Mary, Oviedo, Sanford, and surrounding areas.
? Call Today: (407) 900-9790
? Schedule Online: www.coolaxusa.com
? Licensed & Insured | CAC1821023