Measured in British Thermal Units (BTUs) or "tons" (1 ton = 12,000 BTU/hr).
Size is the most critical factor. An undersized unit will run constantly without cooling effectively, while an oversized unit will "short cycle," leading to poor humidity control and excessive wear. buy ac system online
While you can check your existing unit’s data sticker for a baseline, experts recommend a Manual J load calculation . This factors in square footage, insulation levels, window efficiency, and local climate. 2. Choose the Right Technology Important: Don’t Buy HVAC Equipment Online! - Kilowatt Measured in British Thermal Units (BTUs) or "tons"