What size mini split do I need for a 500 sq ft room?

A 12,000 BTU mini split system is typically ideal for a 500 square foot space.

What size mini split do I need for a 500 sq ft room?

A 12,000 BTU mini split system is typically ideal for a 500 square foot space.

How do I choose the right size mini split system for my room?

Mini split capacity is measured in BTUs (British Thermal Units) based on your space's square footage. As a general guide: • 500–700 sq. ft.: 12,000 BTU (1 Ton) • 700–1,000 sq. ft.: 18,000 BTU (1.5 Ton) • 1,000–1,500 sq. ft.: 24,000 BTU (2 Ton) Factors like ceiling height, sun exposure, and insulation also impact your heat load. Use our online BTU Calculator or contact our expert sales team at (737) 738-6329 for a free sizing assessment.

What is the difference between single-zone and multi-zone mini splits?

A single-zone mini split pairs one outdoor condenser with one indoor air handler, ideal for cooling or heating a single room, garage, or addition. A multi-zone system connects one high-capacity outdoor unit to up to 5+ indoor air handlers (wall mounts, ceiling cassettes, or concealed ducts), allowing you to set independent temperatures across multiple rooms.

Does South Mini Splits offer free shipping?

Yes! We offer free standard shipping on qualifying orders over $300 on select authorized brands across the contiguous U.S. Freight orders are securely strapped to pallets and delivered via trusted carrier partners with tracking updates provided from dispatch to driveway.

Can I install a mini split system myself, or do I need a licensed HVAC technician?

While handy DIYers can complete the physical mounting, line set routing, and component placement, final system start-up, pressure testing, and refrigerant connection must be performed by a licensed EPA-certified HVAC technician to validate manufacturer warranties and ensure leak-free operation.

What indoor unit styles are available besides wall-mounted units?

South Mini Splits carries a wide range of aesthetic and functional indoor air handler styles: • Wall-Mount Systems: Traditional, high-efficiency wall units. • 4-Way & 1-Way Ceiling Cassettes: Low-profile units recessed directly into the ceiling. • Concealed Slim Duct Systems: Hidden in attics or drop ceilings for invisible ductless comfort. • Floor Console Units: Low-profile units ideal for replacing old radiators or knee-wall spaces.

Are South Mini Splits products covered by manufacturer warranties?

Yes. South Mini Splits is an Authorized Dealer for top HVAC brands, including Cooper & Hunter, Bravo, OLMO, Daikin, Goodman, MRCOOL, and ACiQ. Buying through an authorized dealer ensures you receive genuine factory-backed equipment, full manufacturer warranty coverage, and dedicated technical support.

Does South Mini Splits offer HVAC financing?

Yes, we offer flexible financing options—including interest-free installment plans through partners like Afterpay—to help qualified buyers spread out equipment costs over manageable monthly payments during checkout.

What is the difference between R-410A and R-454B refrigerant systems?

R-410A has been the long-standing industry standard refrigerant, while R-454B is a next-generation, low-GWP (Global Warming Potential) refrigerant compliant with newer environmental regulations. South Mini Splits stocks both R-410A inventory for multi-room replacement projects and R-454B systems for modern, eco-friendly builds.

Do you offer special discounts or pricing for HVAC contractors and trade professionals?

Yes. HVAC contractors, builders, and volume purchasers can join our Contractor / VIP Club for exclusive bulk pricing (up to 15% off), dedicated order support, fast quote turnarounds, and job-site shipping options.

How do I get help selecting compatible parts or requesting a custom quote?

You can use our interactive Multi-Zone Builder to design your system or email your project requirements to sales@southminisplits.com. For instant support, call our sales line at (737) 738-6329 or reach our dedicated technical support team Monday through Friday, 8:00 AM – 6:00 PM CST.

What size mini split do I need for a 500 sq ft room?

A 12,000 BTU mini split system is typically ideal for a 500 square foot space.

What is AFUE, and why does it matter?

AFUE (Annual Fuel Utilization Efficiency) measures how efficiently a gas furnace converts fuel to heat. A rating of 90% AFUE means 90 cents of every fuel dollar goes toward heating, while the other 10 cents is wasted. We recommend looking for systems that are Energy Star rated for the best long-term savings.

Should I choose a gas or an electric furnace?

This depends on three factors: Fuel Cost, Climate, and Availability. Gas is usually preferred in very cold climates due to lower operating costs, provided natural gas is readily accessible. Electric furnaces are often simpler and cheaper to install in areas with mild winters.

Can a new furnace work with my old central AC system?

Yes. Most new furnaces can be connected to older, functional central air conditioners. However, for peak efficiency, we always recommend pairing your new furnace with a new, compatible outdoor AC unit to ensure the components are perfectly matched for optimal performance.

What is the most important maintenance I need to do for my furnace?

The single most important maintenance task is regularly replacing or cleaning your air filter. A clogged filter restricts airflow, forcing the furnace to work harder, which raises energy bills and can lead to system overheating or damage. Check your filter every 30-90 days, depending on usage and filter type.

What are the benefits of a "Variable-Speed" Blower?

Furnaces with variable-speed blowers offer superior comfort and efficiency. Instead of running at full blast, they can slowly ramp up and down to gently circulate air. This provides quieter operation, improves humidity control, and ensures more consistent temperatures throughout your home, eliminating hot and cold spots.

What size mini split do I need for a 500 sq ft room?

A 12,000 BTU mini split system is typically ideal for a 500 square foot space.

4-Way & 1-Way Ceiling Cassette Mini Split Systems Page 4

Bulk discount percentages by qualifying merchandise subtotal
Qualifying subtotal	$5K	$10K	$15K	$50K
BRAVO	5%	10%	13%	15%
Other eligible brands	3%	5%	6%	8%

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Multi-Zone Ceiling Cassette Systems – Discreet, High-Performance Climate Control Seamless Comfort, Optimized...
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Bravo R32
208-230V

Bravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitBravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitSKU: BRV-P09CT-230VI + BRV-P09LS-230VO
Bravo
17% offSingle-zone system

9,000 BTU

Capacity9,000 BTUEfficiencyConfirm ratingVoltage208-230V
Coverage250-400 sq ft
Zones1
Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

System price
$956.16~~$1,152.00~~ You save $195.84 (17% off)

Free shipping eligible
Daikin R32
18.0 SEER208-230V

Daikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA48AAVJU + RZA48AAVJU
Daikin
Single-zone system

48,000 BTU

Capacity48,000 BTUSEER18.0Voltage208-230V
Coverage1500 and up sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $14,182.00

Sale price $14,182.00 Regular price
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Daikin R32
18.9 SEER208-230V

Daikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA42AAVJU + RZA42AAVJU
Daikin
Single-zone system

42,000 BTU

Capacity42,000 BTUSEER18.9Voltage208-230V
Coverage1500 and up sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $13,129.00

Sale price $13,129.00 Regular price
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Daikin R32
20.0 SEER208-230V

Daikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA36AAVJU + RZA36AAVJU
Daikin
Single-zone system

36,000 BTU

Capacity36,000 BTUSEER20.0Voltage208-230V
Coverage1500 and up sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $11,515.00

Sale price $11,515.00 Regular price
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Daikin R32
21.0 SEER208-230V

Daikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA30AAVJU + RZA30AAVJU
Daikin
Single-zone system

30,000 BTU

Capacity30,000 BTUSEER21.0Voltage208-230V
Coverage1500 and up sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $10,103.00

Sale price $10,103.00 Regular price
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Daikin R32
19.6 SEER208-230V

Daikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA24AAVJU + RZA24AAVJU
Daikin
Single-zone system

24,000 BTU

Capacity24,000 BTUSEER19.6Voltage208-230V
Coverage1000-1500 sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $8,484.00

Sale price $8,484.00 Regular price
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Daikin R32
19.5 SEER208-230V

Daikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA18AAVJU + RZA18AAVJU
Daikin
Single-zone system

18,000 BTU

Capacity18,000 BTUSEER19.5Voltage208-230V
Coverage550-1000 sq ft
Indoor + outdoor units

See coverageWarranty

From

Regular price $6,943.00

Sale price $6,943.00 Regular price
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MRCOOL R454B
208-230V

MRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OMRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OSKU: CASSETTE24HP-230C-P-O
MRCOOL
Indoor unit only

24,000 BTU

Capacity24,000 BTUVoltage208-230V
Requires matching MRCOOL outdoor unit

See coverageWarranty

From

Regular price $908.00

Sale price $908.00 Regular price
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MRCOOL R454B
208-230V

MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OMRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OSKU: CASSETTE18HP-230C-P-O
MRCOOL
Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V
Requires matching MRCOOL outdoor unit

See coverageWarranty

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Regular price $765.00

Sale price $765.00 Regular price
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MRCOOL R454B
208-230V

MRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OMRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OSKU: CASSETTE12HP-230C-P-O
MRCOOL
Indoor unit only

12,000 BTU

Capacity12,000 BTUVoltage208-230V
Requires matching MRCOOL outdoor unit

See coverageWarranty

From

Regular price $745.00

Sale price $745.00 Regular price
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MRCOOL R454B
208-230V

MRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OMRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OSKU: CASSETTE09HP-230C-P-O
MRCOOL
Indoor unit only

9,000 BTU

Capacity9,000 BTUVoltage208-230V
Requires matching MRCOOL outdoor unit

See coverageWarranty

From

Regular price $711.00

Sale price $711.00 Regular price
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Bravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitBravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitSKU: BRV-P09CT-230VI + BRV-P09LS-230VO

Daikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA48AAVJU + RZA48AAVJU

Daikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA42AAVJU + RZA42AAVJU

Daikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA36AAVJU + RZA36AAVJU

Daikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA30AAVJU + RZA30AAVJU

Daikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA24AAVJU + RZA24AAVJU

Daikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA18AAVJU + RZA18AAVJU

MRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OMRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OSKU: CASSETTE24HP-230C-P-O

MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OMRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OSKU: CASSETTE18HP-230C-P-O

MRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OMRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OSKU: CASSETTE12HP-230C-P-O

MRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OMRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OSKU: CASSETTE09HP-230C-P-O

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Bravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitBravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation KitSKU: BRV-P09CT-230VI + BRV-P09LS-230VO

Daikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 48,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA48AAVJU + RZA48AAVJU

Daikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 42,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA42AAVJU + RZA42AAVJU

Daikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 36,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA36AAVJU + RZA36AAVJU

Daikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 30,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA30AAVJU + RZA30AAVJU

Daikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 24,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA24AAVJU + RZA24AAVJU

Daikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VDaikin 18,000 BTU Skyair Single Zone Four-Way Ceiling Cassette Ductless Mini Split Heat Pump System - R32 | 230VSKU: FCA18AAVJU + RZA18AAVJU

MRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OMRCOOL Olympus Cassette 24,000 BTU (2 Ton) – CASSETTE24HP-230C-P-OSKU: CASSETTE24HP-230C-P-O

MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OMRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-OSKU: CASSETTE18HP-230C-P-O

MRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OMRCOOL Olympus Cassette 12,000 BTU (1 Ton) – CASSETTE12HP-230C-P-OSKU: CASSETTE12HP-230C-P-O

MRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OMRCOOL Olympus Cassette 9,000 BTU (3/4 Ton) – CASSETTE09HP-230C-P-OSKU: CASSETTE09HP-230C-P-O

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