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.

All Mini Split Systems and Accessories | South Mini Splits Page 6

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 R454B

208-230V

Cooper & Hunter Olivia Series R454B, 24,000 BTU Wall-Mount Indoor Unit, 230V Mini Split Heat Pump Inverter System, Up to 26 SEER2 with Wi-Fi, Optional Installation Kit - CH-R24MOLVWM-230VICooper&Hunter Olivia Series R454B, 24,000 BTU Wall-Mount Indoor Unit, 230V Mini Split Heat Pump Inverter System, Up to 26 SEER2 with Wi-Fi, Optional Installation Kit - CH-R24MOLVWM-230VISKU: CH-R24MOLVWM-230VI

Cooper & Hunter

Indoor unit only

24,000 BTU

Capacity24,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$560.16

$560.16 ~~$245.00~~

Free shipping eligible

Bravo R32

208-230V

Bravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingBravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingSKU: BRV-M09DT-230VI

Bravo

Indoor unit only

9,000 BTU

Capacity9,000 BTUVoltage208-230V

Requires matching Bravo outdoor unit

See coverageWarranty

From

$495.36

Free shipping eligible

Cooper & Hunter R454B

208-230V

Cooper & Hunter Multi-Zone R454B, 12,000 BTU 230V Indoor Mini Floor Console Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 27.2 SEER2 with Optional Installation Kit CH-RSH12MMCCooper&Hunter Multi-Zone R454B, 12,000 BTU 230V Indoor Mini Floor Console Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 27.2 SEER2 with Optional Installation Kit CH-RSH12MMCSKU: CH-RSH12MMC

Cooper & Hunter

Indoor unit only

12,000 BTU

Capacity12,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$662.40

Free shipping eligible

Cooper & Hunter R454B

208-230V

Cooper & Hunter High Efficiency Hyper Heat Multi-Zone R454B, 28,000 BTU (2.33 Ton) 230V Outdoor Condenser Air Conditioner, Heat Pump, Mini Split Inverter System Up To 23 SEER2 (2-4 Zones) with Cut-off Valve CH-RVHP28M-230VOCooper&Hunter High Efficiency Hyper Heat Multi-Zone R454B, 28,000 BTU (2.33 Ton) 230V Outdoor Condenser Air Conditioner, Heat Pump, Mini Split Inverter System Up To 23 SEER2 (2-4 Zones) with Cut-off Valve CH-RVHP28M-230VOSKU: CH-RVHP28M-230VO

Cooper & Hunter

Outdoor unit only

28,000 BTU2–4 Supported zones

Capacity28,000 BTUVoltage208-230V

Supported zones2–4

Requires matching Cooper & Hunter indoor unit

$3,067.68

Free shipping eligible

Cooper & Hunter R454B

25 SEER2208-230V

Cooper & Hunter Mini Floor Console R454B, 12,000 BTU 230V Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit. CH-RSH12MMC-230VI +CH-RES12-230VOCooper & Hunter Mini Floor Console R454B, 12,000 BTU 230V Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit. CH-RSH12MMC-230VI +CH-RES12-230VOSKU: CH-RSH12MMC + CH-RES12-230VO

Cooper & Hunter

Single-zone system

12,000 BTU

Capacity12,000 BTUSEER225Voltage208-230V

Coverage400-550 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,632.96

$1,632.96 ~~$1,190.00~~

Free shipping eligible

Cooper & Hunter R454B

208-230V

Cooper & Hunter Multi-Zone R454B, 18,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump Mini Split Inverter System Up To 24 SEER2 with Wi-Fi Enabled Thermostat and Optional Installation Kit CH-RSH18MCT1WCooper&Hunter Multi-Zone R454B, 18,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump Mini Split Inverter System Up To 24 SEER2 with Wi-Fi Enabled Thermostat and Optional Installation Kit CH-RSH18MCT1WSKU: CH-RSH18MCT1W

Cooper & Hunter

Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$1,370.58

Free shipping eligible

Bravo R32

17.0 SEER208-230V

Bravo Roma Single Zone Wall Mount, 2 Ton Mini Split AC and Heat Pump, R32, 24,000 BTU Wall Mount Ductless Mini Split, 18 SEER Inverter System, 230V/60HZ, Single Head, Smart app, 13FT Installation Kit Included, BRV-R24W-230VI + BRV-R24LS-230VOBravo Roma Single Zone Wall Mount, 2 Ton Mini Split AC and Heat Pump, R32, 24,000 BTU Wall Mount Ductless Mini Split, 18 SEER Inverter System, 230V/60HZ, Single Head, Smart app, 13FT Installation Kit Included, BRV-R24W-230VI + BRV-R24LS-230VOSKU: BRV-R24W-230VI + BRV-R24LS-230VO

Bravo

Single-zone system

24,000 BTU

Capacity24,000 BTUSEER17.0Voltage208-230V

Coverage1000-1500 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

$1,023.84

Free shipping eligible

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 R454B

208-230V

Cooper & Hunter Multi-Zone R454B, 24,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Wi-Fi Enabled Thermostat, and Humidity Sensor - CH-RH24MCTCooper&Hunter Multi-Zone R454B, 24,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Wi-Fi Enabled Thermostat, and Humidity Sensor - CH-RH24MCTSKU: CH-RH24MCT

Cooper & Hunter

Indoor unit only

24,000 BTU

Capacity24,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$911.52

Free shipping eligible

Cooper & Hunter R454B

20.0 SEER208-230V

Cooper & Hunter Slim Duct 18,000 BTU 230V, R454B, 20.0 SEER 1.5 TON, Concealed Duct Mini Split Air Conditioner Heat Pump, + Installation Kit Option. CH-RS18MDT-MS + CH-RES18-230VOCooper & Hunter Slim Duct 18,000 BTU 230V, R454B, 20.0 SEER 1.5 TON, Concealed Duct Mini Split Air Conditioner Heat Pump, + Installation Kit Option. CH-RS18MDT-MS + CH-RES18-230VOSKU: CH-RS18MDT-MS + CH-RES18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Capacity18,000 BTUSEER20.0Voltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$2,306.88

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

OLMO R32

208-230V

OLMO Through The Wall Air Conditioner (Heating and Cooling) 12K BTU 230v/60hz with Remote Control and Smart Connect, and Optional Sleeve SKU: OW-P12HS230WFOLMO Through The Wall Air Conditioner (Heating and Cooling) 12K BTU 230v/60hz with Remote Control and Smart Connect, and Optional Sleeve SKU: OW-P12HS230WFSKU: OW-P12HS230WF

OLMO

15% off

Voltage208-230V

See coverageWarranty

From

$524.11~~$616.60~~ You save $92.49 (15% off)

Free shipping eligible

ARMBRIDGE

ARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsSKU: AB-DIS60-NF

ARMBRIDGE

Accessory

$29.00

Check shipping

Cooper & Hunter R454B

17 SEER208-230V

Cooper & Hunter R454B, 30,000 BTU 2.5 TON 17 SEER Ducted Mini Split and Heat Pump Inverter System with Multi Position Air Handler Unit with Wi-Fi Included - Choose your Installation Kit and Heat Strip Size -CH-RS30MAHU + CH-REL30-230VOCooper&Hunter R454B, 30,000 BTU 2.5 TON 17 SEER Ducted Mini Split and Heat Pump Inverter System with Multi Position Air Handler Unit with Wi-Fi Included - Choose your Installation Kit and Heat Strip Size -CH-RS30MAHU + CH-REL30-230VOSKU: CH-RS30MAHU + CH-REL30-230VO

Cooper & Hunter

Single-zone system

30,000 BTU

Condenser capacity30,000 BTUAir handler capacity30,000 BTUSEER17Voltage208-230V

Coverage1500 and up sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$3,536.64

$3,536.64 ~~$3,249.00~~

Free shipping eligible

Cooper & Hunter

Universal PTAC Folded Metal Wall SleeveUniversal PTAC Folded Metal Wall SleeveSKU: CH-PTSLV1 (12020300A00011)

Cooper & Hunter

$171.36

Check shipping

Ductless Mini Splits

Single Zone

Multi Zone

Ducted Mini Splits

Mini Split Components

Central HVAC Systems

Room Air and More

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Bravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingBravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingSKU: BRV-M09DT-230VI

ARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsSKU: AB-DIS60-NF

Universal PTAC Folded Metal Wall SleeveUniversal PTAC Folded Metal Wall SleeveSKU: CH-PTSLV1 (12020300A00011)

Ductless Mini Splits

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Mini Split Components

Central HVAC Systems

Room Air and More

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Bravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingBravo Milano Ducted Mini Split AC & Heat Pump – 9000 BTU 230V, SEER2 24, Slim Duct Unit, Inverter, Heating & CoolingSKU: BRV-M09DT-230VI

ARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsARMBRIDGE 60 AMP Non-Fusible Metallic Disconnect Box | Durable Enclosed Disconnect for Residential and Light Commercial HVAC SystemsSKU: AB-DIS60-NF

Universal PTAC Folded Metal Wall SleeveUniversal PTAC Folded Metal Wall SleeveSKU: CH-PTSLV1 (12020300A00011)

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