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 19

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

18 SEER208-230V

Cooper & Hunter R454B 18,000 BTU High Efficiency Hyper 1.5 TON 18 SEER Ducted Mini Split & Heat Pump Inverter System w/ Multi Position Air Handler Unit, Wi-Fi Included - Choose your Installation Kit and Auxiliary Heat Strip Size - CH-RS18MAHU+CH-RHP18-230VOCooper&Hunter R454B 18,000 BTU High Efficiency Hyper 1.5 TON 18 SEER Ducted Mini Split & Heat Pump Inverter System w/ Multi Position Air Handler Unit, Wi-Fi Included - Choose your Installation Kit and Auxiliary Heat Strip Size - CH-RS18MAHU+CH-RHP18-230VOSKU: CH-RS18MAHU + CH-RHP18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Condenser capacity18,000 BTUAir handler capacity18,000 BTUSEER18Voltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$3,228.04

$3,228.04 ~~$2,027.99~~

Free shipping eligible

MRCOOL

208-230V

MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)SKU: MVPHK15

MRCOOL

Accessory

Voltage208-230V

$237.00

$237.00 ~~$219.00~~

Check shipping

MRCOOL R454B

17.4 SEER208-230V

MRCOOL® 2nd Gen 36,000 BTU (3 TON) R454B Hyper Heat Multi-Position Central Ducted Air Handler Mini Split Complete System (Choose your Installation Kit) - MVP-36-HP-MUAH-230A00-O + CENTRAL-36-HP-C-230B00-OMRCOOL® 2nd Gen 36,000 BTU (3 TON) R454B Hyper Heat Multi-Position Central Ducted Air Handler Mini Split Complete System (Choose your Installation Kit) - MVP-36-HP-MUAH-230A00-O + CENTRAL-36-HP-C-230B00-OSKU: CENTRAL-36-HP-230B00-O

MRCOOL

Single-zone system

36,000 BTU

Air handler capacity36,000 BTUSEER17.4Voltage208-230V

Zones1

Indoor + outdoor units

See coverageWarranty

From

$4,024.00

$4,024.00 ~~$3,848.08~~

Check shipping

Cooper & Hunter R454B

22 SEER208-230V

Cooper & Hunter (Humidity/Ref Sensor) Single Zone, Four-Way Ceiling Cassette R454B, 24,000 BTU 230V 22 SEER Ceiling Cassette Ductless Mini Split Air Conditioner, Heat Pump 2 TON + Installation Kit Option. CH-RH24MCT + CH-RES24-230VOCooper&Hunter (Humidity/Ref Sensor) Single Zone, Four-Way Ceiling Cassette R454B, 24,000 BTU 230V 22 SEER Ceiling Cassette Ductless Mini Split Air Conditioner, Heat Pump 2 TON + Installation Kit Option. CH-RH24MCT + CH-RES24-230VOSKU: CH-RSH24MCT + CH-RES24-230VO

Cooper & Hunter

Single-zone system

24,000 BTU

Capacity24,000 BTUSEER22Voltage208-230V

Coverage1000-1500 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$2,507.04

$2,507.04 ~~$1,671.87~~

Free shipping eligible

Cooper & Hunter R454B

17.2 SEER208-230V

Cooper & Hunter 36,000 BTU High Efficiency Hyper 3 TON, R454B, 17.2 SEER Heat Pump Split System with Multi Position Air Handler with Optional Installation Kit and Optional Auxiliary Heat Strip CH-RS36LCAHU+ CH-RHP36LCU-230V0Cooper & Hunter 36,000 BTU High Efficiency Hyper 3 TON, R454B, 17.2 SEER Heat Pump Split System with Multi Position Air Handler with Optional Installation Kit and Optional Auxiliary Heat Strip CH-RS36LCAHU+ CH-RHP36LCU-230V0SKU: CH-RS36LCAHU + CH-RHP36LCU-230VO

Cooper & Hunter

Single-zone system

36,000 BTU

Condenser capacity36,000 BTUAir handler capacity36,000 BTUSEER17.2Voltage208-230V

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$5,594.06

$5,594.06 ~~$4,195.00~~

Free shipping eligible

Cooper & Hunter R454B

18 SEER208-230V

Cooper & Hunter 18,000 BTU High Efficiency Hyper 1.5 TON, R454B, 18 SEER Heat Pump Split System with Multi Position Air Handler with Optional Installation Kit and Optional Auxiliary Heat Strip CH-RS18MAHU + CH-RHP18-230V0Cooper & Hunter 18,000 BTU High Efficiency Hyper 1.5 TON, R454B, 18 SEER Heat Pump Split System with Multi Position Air Handler with Optional Installation Kit and Optional Auxiliary Heat Strip CH-RS18MAHU + CH-RHP18-230V0SKU: CH-RS18MAHU + CH-RHP18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Condenser capacity18,000 BTUAir handler capacity18,000 BTUSEER18Voltage208-230V

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$3,228.04

$3,228.04 ~~$2,410.00~~

Free shipping eligible

Cooper & Hunter R454B

27.2 SEER2208-230V

Cooper & Hunter Mini Floor Console R454B, 9,000 BTU 230V Hyper Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 27.2 SEER2 with Optional Installation Kit. CH-RSH09MMC + CH-RHP09-230VOCooper & Hunter Mini Floor Console R454B, 9,000 BTU 230V Hyper Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 27.2 SEER2 with Optional Installation Kit. CH-RSH09MMC + CH-RHP09-230VOSKU: CH-RSH09MMC + CH-RHP09-230VO

Cooper & Hunter

Single-zone system

9,000 BTU

Capacity9,000 BTUSEER227.2Voltage208-230V

Coverage400-550 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,815.82

$1,815.82 ~~$1,509.00~~

Free shipping eligible

Cooper & Hunter R454B

20.6 SEER208-230V

Cooper & Hunter, One-Way Ceiling Cassette 18,000 BTU 230V 1.5 TON HYPER, Air Conditioning Unit for Heat Pump, Mini Split Inverter System, 20.6 SEER, Wi-Fi Enabled Thermostat, Optional Installation Kit, CH-RSH18MCT1W + CH-RHP18-230V0Cooper&Hunter, One-Way Ceiling Cassette 18,000 BTU 230V 1.5 TON HYPER, Air Conditioning Unit for Heat Pump, Mini Split Inverter System, 20.6 SEER, Wi-Fi Enabled Thermostat, Optional Installation Kit, CH-RSH18MCT1W + CH-RHP18-230V0SKU: CH-RSH18MCT1W + CH-RHP18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Capacity18,000 BTUSEER20.6Voltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$3,160.06

$3,160.06 ~~$2,861.00~~

Free shipping eligible

Cooper & Hunter R454B

22.1 SEER208-230V

Cooper & Hunter 12,000 BTU, 1 TON, One Way Ceiling Cassette, Air Conditioning Unit, Heat Pump, Mini Split Inverter System, R454B, 22.1 SEER, 208/230V, Installation Kit Option, CH-RSH06-12MCT1W (Dip Switch 12) CH-RES12-230VOCooper&Hunter 12,000 BTU, 1 TON, One Way Ceiling Cassette, Air Conditioning Unit, Heat Pump, Mini Split Inverter System, R454B, 22.1 SEER, 208/230V, Installation Kit Option, CH-RSH06-12MCT1W (Dip Switch 12) CH-RES12-230VOSKU: CH-RSH06-12MCT1W + CH-RES12-230VO

Cooper & Hunter

Single-zone system

12,000 BTU

Capacity12,000 BTUSEER22.1Voltage208-230V

Coverage400-550 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$2,301.39

$2,301.39 ~~$1,712.06~~

Free shipping eligible

Cooper & Hunter R454B

19.5 SEER208-230V

Cooper & Hunter Olivia Series Midnight Edition 0.75 Ton Single Zone AC & Heat Pump 9000 BTU Ductless Mini Split Black Mirror Panel R454B 24.6 SEER Inverter 230V Single Head Wi-Fi Optional Install Kit CH-RB09MOLVWM-230VI + CH-RES09-230VOCooper & Hunter Olivia Series Midnight Edition 0.75 Ton Single Zone AC & Heat Pump 9000 BTU Ductless Mini Split Black Mirror Panel R454B 24.6 SEER Inverter 230V Single Head Wi-Fi Optional Install Kit CH-RB09MOLVWM-230VI + CH-RES09-230VOSKU: CH-RB09MOLVWM-230VI + CH-RES09-230VO

Cooper & Hunter

Single-zone system

9,000 BTU

Capacity9,000 BTUSEER19.5Voltage208-230V

Coverage250-400 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,294.56

$1,294.56 ~~$580.80~~

Free shipping eligible

Cooper & Hunter R454B

23.2 SEER110-115V

Cooper & Hunter Olivia Series R454B 12000 BTU/h 115V/60HZ 1 Ton 23.2 SEER Ductless Mini Split Wall Mount AC/Heater With WIFI Optional Installation Kit CH-R12OLVWM-115VI + CH-RES12-115VOCooper&Hunter Olivia Series R454B 12000 BTU/h 115V/60HZ 1 Ton 23.2 SEER Ductless Mini Split Wall Mount AC/Heater With WIFI Optional Installation Kit CH-R12OLVWM-115VI + CH-RES12-115VOSKU: CH-R12OLVWM-115VI + CH-RES12-115VO

Cooper & Hunter

12,000 BTU

Capacity12,000 BTUSEER23.2Voltage110-115V

From

$1,401.12

$1,401.12 ~~$1,177.95~~

Free shipping eligible

Cooper & Hunter

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.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.SKU: PJX-N3-C16MAX-i05 (16FT 3/8"X5/8")

Cooper & Hunter

From

$215.00

$215.00 ~~$167.20~~

Check shipping

MRCOOL

MRCOOL Mini-Split Cleaning KitMRCOOL Mini-Split Cleaning KitSKU: MMCK01

MRCOOL

SaleAccessory

$75.99

$75.99 ~~$79.99~~

Check shipping

OLMO R32

208-230V

OLMO 12,000 BTU Smart PTAC Packaged Terminal Air Conditioner with Heat Strip 230V, Through The Wall System With Optional Sleeve and Grill - PTAC Heating And Cooling With Electric Cord and Remote Control OS-MBW-12HSOLMO 12,000 BTU Smart PTAC Packaged Terminal Air Conditioner with Heat Strip 230V, Through The Wall System With Optional Sleeve and Grill - PTAC Heating And Cooling With Electric Cord and Remote Control OS-MBW-12HSSKU: OS-MBW-12HS

OLMO

15% off

Voltage208-230V

See coverageWarranty

From

$677.25~~$796.77~~ You save $119.52 (15% off)

Free shipping eligible

Cooper & Hunter R454B

26.0 SEER208-230V

Cooper & Hunter High Efficiency Olivia Midnight Hyper Series R454B 9000 BTU/h 0.75 Ton 230V/60HZ 26.0 SEER Ductless Mini Split Wall Mount AC/Heater With WIFI Optional Install Kit CH-RB09MOLVWM-230VI + CH-RHP09-230VOCooper&Hunter High Efficiency Olivia Midnight Hyper Series R454B 9000 BTU/h 0.75 Ton 230V/60HZ 26.0 SEER Ductless Mini Split Wall Mount AC/Heater With WIFI Optional Install Kit CH-RB09MOLVWM-230VI + CH-RHP09-230VOSKU: CH-RB09MOLVWM-230VI + CH-RHP09-230VO

Cooper & Hunter

Single-zone system

9,000 BTU

Capacity9,000 BTUSEER26.0Voltage208-230V

Coverage250-400 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,546.54

$1,546.54 ~~$910.80~~

Free shipping eligible

Ductless Mini Splits

Single Zone

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Ducted Mini Splits

Mini Split Components

Central HVAC Systems

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MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)SKU: MVPHK15

MRCOOL Mini-Split Cleaning KitMRCOOL Mini-Split Cleaning KitSKU: MMCK01

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MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)MRCOOL (15kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK15)SKU: MVPHK15

MRCOOL Mini-Split Cleaning KitMRCOOL Mini-Split Cleaning KitSKU: MMCK01

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