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Cooper&Hunter — Installation Kits for Mini Splits 3/8"-5/8" Mini Split Installation Kit Insulated Pre-Flared 16ft/25ft/50ft with Connection Wires
Vendor:Cooper&HunterRegular price $215.00Sale price $215.00 Regular priceUnit price per$152.00 -
SaleMRCOOL DIY R-410A Charged Line Set 3/8"-5/8" Mini Split Quick-Connection for DIY 24K & 36K Indoor with Connection Wires (Select Size)
Vendor:MRCOOLRegular price $458.85Sale price $458.85 Regular priceUnit price per$483.00Sale -
Extra Insulated Line Set 3/8"-5/8" Mini Split Installation Kit Pre-Flared 16ft/25ft/50ft with Connection Wires for 24,000-48,000 BTU 2 Ton - 4 Ton Air Conditioner Heat Pump Inverter Unit Systems.
Vendor:Cooper&HunterRegular price $215.00Sale price $215.00 Regular priceUnit price per$167.20 -
ARMBRIDGE 3/8"-5/8" Mini Split Installation Kit Pre-Flared 16ft/25ft/50ft with Connection Wires for 24,000-48,000 BTU 2 Ton - 4 Ton Air Conditioner Heat Pump Inverter Unit Systems.
Vendor:ARMBRIDGERegular price $215.00Sale price $215.00 Regular priceUnit price per$139.84
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Mini Split BTU Sizing & Application Guide
Use our quick reference chart to match your room size with the ideal system capacity.
| Capacity | Sq. Footage | Application |
|---|---|---|
| 6,000 BTU | 150–250 | Small bedrooms & offices |
| 9,000 BTU | 250–450 | Standard bedrooms |
| 12,000 BTU | 450–600 | Kitchens & studios |
| 18,000 BTU | 600–1,000 | Living rooms & garages |
| 24,000 BTU | 1,000–1,200 | Open floor plans |
| 36,000 BTU | 1,500–1,700 | Commercial & fitness |
| 48,000 BTU | 1,900–2,100 | Large warehouses |
| 60,000 BTU | 2,400–2,800+ | Commercial estates |
When to "Size Up"
High Ceilings (10ft+)
If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.
Poor Insulation
For older homes or buildings with single-pane windows, opt for the next size up to ensure the unit can maintain the set temperature.
Kitchen Environments
Appliances generate significant heat. If the unit is for a kitchen, add 4,000 BTUs to your square footage calculation.
Heavy Sun Exposure
Rooms with large south-facing windows or "sunrooms" act like greenhouses. Increase your BTU capacity by 10-15%
Occupancy
If the area regularly hosts more than two people (like a conference room or classroom), add 600 BTUs per additional person..