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Cooper&Hunter 24,000 BTU High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System R454B 230V
R454B208-230V19.7 SEER$2,863.00 -
Cooper&Hunter 30,000 BTU High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System R454B 230V
R454B208-230V17 SEER$3,419.00 -
Cooper&Hunter 24,000 BTU Hyper High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System R454B 230V
R454B208-230V18.7 SEER$3,456.00 -
Daikin 24,000 BTU Skyair High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System - R32 | 230V
R32208-230V17 SEER$7,932.00 -
Daikin 30,000 BTU Skyair High Efficiency Multi Position Air Handler Unit Ducted Heat Pump Split System - R32 | 230V
R32208-230V16.8 SEER$9,603.00 -
MRCOOL VersaPro 2nd Gen 24K BTU 2 Ton Central Ducted Heat Pump Split System, MVP-24-HP-230A00-O
R454B208-230V18.1 SEER$2,686.00 -
MRCOOL Signature 24K BTU 2 Ton 14.3 SEER2 Heat Pump Condenser and Stud Air Handler
R454B208-230V14.3 SEER$2,689.80 -
MRCOOL Signature 2 Ton 24K BTU Central Ducted Heat Pump Split System
R454B208-230V14.3 SEER$2,741.22 -
MRCOOL Signature 30K BTU 2.5 Ton 14.3 SEER2 Heat Pump Condenser and Stud Handler
R454B208-230V14.3 SEER$2,876.41 -
MRCOOL VersaPro 2nd Gen 30K BTU 2.5 Ton Central Ducted Heat Pump Split System, MVP-30-HP-230A00-O
R454B208-230V17 SEER$2,890.00 -
MRCOOL Signature 2.5 Ton 30K BTU Central Ducted Heat Pump Split System
R454B208-230V14.3 SEER$2,909.57 -
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MRCOOL 2.5 Ton 17.2 SEER2 Universal Series Heat Pump System - R454B
R454B208-230V17.2 SEER$4,010.00
Find Your Perfect Match: The HVAC Supplies BTU Sizing Guide
Selecting the correct BTU (British Thermal Units) capacity is the most critical step in ensuring your ductless system operates at peak efficiency while providing maximum comfort. At HVAC Supplies, we aim to eliminate the guesswork; an undersized unit will run constantly and drive up utility bills, while an oversized unit will cycle too frequently, leading to poor dehumidification and unnecessary wear.
Below is our comprehensive sizing guide designed for HVAC Supplies customers, featuring direct links to our high-efficiency mini split collections.
6,000 BTU
150 – 250 sq. ft.
Small bedrooms, home offices, nurseries, or high-efficiency “tiny homes”.
9,000 BTU
250 – 450 sq. ft.
Standard bedrooms, guest rooms, mid-sized offices, and insulated sunrooms.
12,000 BTU
450 – 600 sq. ft.
Master bedrooms, small living rooms, kitchens, or studio apartments.
18,000 BTU
600 – 1,000 sq. ft.
Large living rooms, master suites, or insulated 1-car garages.
24,000 BTU
1,000 – 1,200 sq. ft.
Open-concept main floors, 2-car garages, or small retail boutiques.
28,000 BTU
1,200 – 1,400 sq. ft.
Large open floor plans, community halls, or multi-room office suites.
30,000 BTU
1,400 – 1,500 sq. ft.
Large workshops, pole barns, or medium-sized commercial floor plans.
36,000 BTU
1,500 – 1,700 sq. ft.
Large residential open areas, showrooms, coffee shops, or fitness studios.
42,000 BTU
1,700 – 1,900 sq. ft.
Commercial spaces, restaurants, medical clinics, or church halls.
48,000 BTU
1,900 – 2,100 sq. ft.
Very large open residential areas, small warehouses, or banquet facilities.
55,000 BTU
2,100 – 2,400 sq. ft.
Large retail stores, high-ceiling industrial spaces, or commercial grow rooms.
60,000 BTU
2,400 – 2,800+ sq. ft.
Large warehouses, multi-office buildings, or massive high-ceiling estates.
When to "Size Up" Your Unit
While the table above provides a baseline for standard rooms, specific environmental factors at your job site may require a higher BTU capacity:
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High Ceilings: If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.
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Insulation Levels: For older buildings with single-pane windows or poor insulation, opt for the next size up to ensure the system can maintain the set temperature.
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Kitchen Installations: Cooking appliances generate significant heat. If the unit is for a kitchen area, add 4,000 BTUs to your total calculation.
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Heavy Sun Exposure: Rooms with large south-facing windows act like greenhouses. Increase your BTU capacity by 10-15% for these spaces.
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High Occupancy: If the area regularly hosts more than two people (such as a conference room), add 600 BTUs per additional person.