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.

R410A Heating & Air Conditioning Equipment

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%

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 12,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up to 26.4 SEER2 with Wi-Fi, Optional Installation Kit - CH-12MOLVWM-230VICooper&Hunter Multi-Zone R410A, 12,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up to 26.4 SEER2 with Wi-Fi, Optional Installation Kit - CH-12MOLVWM-230VISKU: CH-12MOLVWM-230VI

Cooper & Hunter

SaleIndoor unit only

12,000 BTU

Capacity12,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$243.10

$243.10 ~~$297.44~~

Check shipping

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 18,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-18MOLVWM-230VICooper&Hunter Multi-Zone R410A, 18,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-18MOLVWM-230VISKU: CH-18MOLVWM-230VI

Cooper & Hunter

Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$358.93

$358.93 ~~$356.07~~

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 6,000 BTU 230V Olivia Midnight Black Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-B06MOLVWM-230VICooper&Hunter Multi-Zone R410A, 6,000 BTU 230V Olivia Midnight Black Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-B06MOLVWM-230VISKU: CH-B06MOLVWM-230VI

Cooper & Hunter

SaleIndoor unit only

6,000 BTU

Capacity6,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$165.10

$165.10 ~~$243.00~~

Check shipping

OLMO R410ALimited

208-230V

OLMO Multi-Zone R410A, 18,000 BTU 230V OLMO Sierra Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 22 SEER2 with Wi-Fi, Optional Installation Kit - OS-M18SRW-230VIOLMO Multi-Zone R410A, 18,000 BTU 230V OLMO Sierra Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 22 SEER2 with Wi-Fi, Optional Installation Kit - OS-M18SRW-230VISKU: OS-M18SRW-230VI

OLMO

Top valueIndoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching OLMO outdoor unit

See coverageWarranty

From

$258.00

Check shipping

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 6,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 22 SEER2 with Wi-Fi Enabled Thermostat and Optional Installation Kit СH-06MCT1W-WCooper&Hunter Multi-Zone R410A, 6,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 22 SEER2 with Wi-Fi Enabled Thermostat and Optional Installation Kit СH-06MCT1W-WSKU: CH-06MCT1W-230VI

Cooper & Hunter

Indoor unit only

6,000 BTU

Capacity6,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$967.00

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 12,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-12MASTWM-230VICooper&Hunter Multi-Zone R410A, 12,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-12MASTWM-230VISKU: CH-12MASTWM-230VI

Cooper & Hunter

Indoor unit only

12,000 BTU

Capacity12,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$266.22

Check shipping

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 9,000 BTU 230V Slim Duct, Concealed Duct Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 20.5 SEER2 With choice of Optional Installation Kit CH-M09DTUICooper&Hunter Multi-Zone R410A, 9,000 BTU 230V Slim Duct, Concealed Duct Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 20.5 SEER2 With choice of Optional Installation Kit CH-M09DTUISKU: CH-M09DTUI

Cooper & Hunter

Indoor unit only

9,000 BTU

Capacity9,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$456.17

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 9,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-09MASTWM-230VICooper&Hunter Multi-Zone R410A, 9,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-09MASTWM-230VISKU: CH-09MASTWM-230VI

Cooper & Hunter

Indoor unit only

9,000 BTU

Capacity9,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$379.44

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 18,000 BTU 230V Indoor Mini Floor Console Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit CH-16MMC-230VICooper&Hunter Multi-Zone R410A, 18,000 BTU 230V Indoor Mini Floor Console Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit CH-16MMC-230VISKU: CH-16MMC-230VI

Cooper & Hunter

Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$427.57

Free shipping eligible

OLMO R410ALimited

208-230V

OLMO Multi-Zone R410A, 36,000 BTU (3 Ton) 230V Outdoor Condenser Air Conditioner, Heat Pump, Mini Split Inverter System Up To 22 SEER2 OS-MSR36-230VOOLMO Multi-Zone R410A, 36,000 BTU (3 Ton) 230V Outdoor Condenser Air Conditioner, Heat Pump, Mini Split Inverter System Up To 22 SEER2 OS-MSR36-230VOSKU: OS-MSR36-230VO

OLMO

Top valueOutdoor unit only

36,000 BTU3–4 Supported zones

Capacity36,000 BTUVoltage208-230V

Supported zones3–4

Requires matching OLMO indoor unit

See coverageWarranty

$1,604.54

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 18,000 BTU 230V Universal Floor/Ceiling Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 23 SEER2 With Choice of Optional Installation Kit CH-18MSPHFC-230VICooper&Hunter Multi-Zone R410A, 18,000 BTU 230V Universal Floor/Ceiling Air Conditioning Indoor Unit for Heat Pump, Mini Split Inverter System Up To 23 SEER2 With Choice of Optional Installation Kit CH-18MSPHFC-230VISKU: CH-18MSPHFC-230VI

Cooper & Hunter

Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$427.57

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 30,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-30ASTWM-230VICooper&Hunter Multi-Zone R410A, 30,000 BTU 230V Astoria Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 28.1 SEER2 with Wi-Fi, Optional Installation Kit - CH-30ASTWM-230VISKU: CH-30ASTWM-230VI

Cooper & Hunter

Indoor unit only

30,000 BTU

Capacity30,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$474.30

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter Multi-Zone R410A, 36,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-36MOLVWM-230VICooper&Hunter Multi-Zone R410A, 36,000 BTU 230V Olivia Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 26.4 SEER2 with Wi-Fi and Optional Installation Kit CH-36MOLVWM-230VISKU: CH-36ELVWM-230VI

Cooper & Hunter

Indoor unit only

36,000 BTU

Capacity36,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$583.00

$583.00 ~~$556.27~~

Free shipping eligible

Cooper & Hunter

19 SEER2208-230V

Cross-Gen Match | 2 Zone Cooper & Hunter, 1.5 Ton Air Conditioner, Ductless Multi Mini Split with 9k+9k BTU Concealed Duct, 19 SEER2 18, 000 BTU Inverter Heat Pump, 230V, Dual Head (2 Heads), Includes Installation KitsCross-Gen Match | 2 Zone Cooper & Hunter, 1.5 Ton Air Conditioner, Ductless Multi Mini Split with 9k+9k BTU Concealed Duct, 19 SEER2 18, 000 BTU Inverter Heat Pump, 230V, Dual Head (2 Heads), Includes Installation KitsSKU: 2X CH-M09DTUI + CH-R18MES-230VO

Cooper & Hunter

Multi-zone system

18,000 BTU2 Zones

Capacity18,000 BTUSEER219Voltage208-230V

Room coverage250-400 sq ft

Zones2

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

$2,502.52

Free shipping eligible

Cooper & Hunter

208-230V

Cross-Gen Match | Cooper & Hunter 28, 000 BTU Olivia Series, Midnight Edition, Tri Zone 6000 + 6000 + 6000 BTU Wall Mount Air Handlers Ductless Mini Split A/C and Heater, Including Installation Kits and WiFi AdaptersCross-Gen Match | Cooper & Hunter 28, 000 BTU Olivia Series, Midnight Edition, Tri Zone 6000 + 6000 + 6000 BTU Wall Mount Air Handlers Ductless Mini Split A/C and Heater, Including Installation Kits and WiFi AdaptersSKU: CH-R28MES-230VO + 3X CH-B06MOLVWM-230VI

Cooper & Hunter

SaleMulti-zone system

28,000 BTU3 Zones

Capacity28,000 BTUVoltage208-230V

Room coverage150-250 sq ft

Zones3

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

$2,696.52

$2,696.52 ~~$2,926.00~~

Free shipping eligible

OLMO R410ALimited

208-230V

OLMO Multi-Zone R410A, 24,000 BTU 230V OLMO Sierra Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 22 SEER2 with Wi-Fi, Optional Installation Kit - OS-M24SRW-230VIOLMO Multi-Zone R410A, 24,000 BTU 230V OLMO Sierra Series Indoor Wall-Mount Air Conditioning Unit for Heat Pump, Mini Split Inverter System, Up to 22 SEER2 with Wi-Fi, Optional Installation Kit - OS-M24SRW-230VISKU: OS-M24SRW-230VI

OLMO

Top valueIndoor unit only

24,000 BTU

Capacity24,000 BTUVoltage208-230V

Requires matching OLMO outdoor unit

See coverageWarranty

From

$315.00

Free shipping eligible

Cooper & Hunter R410ALimited

21.7 SEER115v

Cooper & Hunter Olivia Series 1 Ton Wall Mount Indoor Unit – 12,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-ES12-115VO (Single-Zone)Cooper&Hunter Olivia Series 1 Ton Wall Mount Indoor Unit – 12,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-ES12-115VO (Single-Zone)SKU: CH-12OLVWM-115VI

Cooper & Hunter

Sale

12,000 BTU

Capacity12,000 BTUSEER21.7Voltage115v

From

$204.49

$204.49 ~~$601.71~~

Check shipping

Cooper & Hunter R410ALimited

21.7 SEER115v

Cooper & Hunter Olivia Series 0.5 Ton Wall Mount Indoor Unit – 6,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-ES06-115VO (Single-Zone)Cooper&Hunter Olivia Series 0.5 Ton Wall Mount Indoor Unit – 6,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-ES06-115VO (Single-Zone)SKU: CH-06OLVWM-115VI

Cooper & Hunter

Sale

6,000 BTU

Capacity6,000 BTUSEER21.7Voltage115v

From

$151.58

$151.58 ~~$601.71~~

Check shipping

Cooper & Hunter R410ALimited

21 SEER208-230V

Cooper & Hunter, Sophia Series, R410A, 30,000 BTU/h, 208-230V/60HZ, 2.5 Ton, 21 SEER, Ductless Mini Split Wall Mount AC/Heater With WIFI and Optional Installation Kit Sold as is, No WarrantyCooper & Hunter, Sophia Series, R410A, 30,000 BTU/h, 208-230V/60HZ, 2.5 Ton, 21 SEER, Ductless Mini Split Wall Mount AC/Heater With WIFI and Optional Installation Kit Sold as is, No WarrantySKU: CH-36ELVWM-230VI + CH-30SPH-230VO

Cooper & Hunter

20% off

30,000 BTU

Capacity30,000 BTUSEER21Voltage208-230V

From

$1,522.00~~$1,902.50~~ You save $380.50 (20% off)

Free shipping eligible

Cooper & Hunter R410ALimited

208-230V

Cooper & Hunter 4 Ton Ceiling Cassettes Unit – 48,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 230V, Wi-Fi Enabled – Compatible ONLY with CH-N48LCU-230VO and CH-NHPR48LCU-230VO (Single-Zone)Cooper&Hunter 4 Ton Ceiling Cassettes Unit – 48,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 230V, Wi-Fi Enabled – Compatible ONLY with CH-N48LCU-230VO and CH-NHPR48LCU-230VO (Single-Zone)SKU: CH-48LCCT-230VI

Cooper & Hunter

Indoor unit only

48,000 BTU

Capacity48,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$713.57

$713.57 ~~$601.71~~

Free shipping eligible

Cooper & Hunter R410ALimited

21.7 SEER208-230V

Cooper & Hunter 4 Ton Air Handler Unit – 48,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-N48LCU-230VO and CH-NHPR48LCU-230VO (Single-Zone)Cooper&Hunter 4 Ton Air Handler Unit – 48,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 115V, Wi-Fi Enabled – Compatible ONLY with CH-N48LCU-230VO and CH-NHPR48LCU-230VO (Single-Zone)SKU: CH-48AHU

Cooper & Hunter

48,000 BTU

Air handler capacity48,000 BTUSEER21.7Voltage208-230V

From

$1,285.57

$1,285.57 ~~$601.71~~

Free shipping eligible

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R410A Heating & Air Conditioning Equipment

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