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 15

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%

ACIQ R454B

208-230V

ACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalSKU: ACIQ-24-HPD + ACIQ-24-PAH

ACIQ

Single-zone system

24,000 BTU

Condenser capacity24,000 BTUAir handler capacity24,000 BTUEfficiencyConfirm ratingVoltage208-230V

Zones1

Indoor + outdoor units

See coverageWarranty

From

$4,199.99

Check shipping

Bravo R32

208-230V

Bravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (9K+9K+9K+12K BTU), Inverter Technology, 230V, Heating & CoolingBravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (9K+9K+9K+12K BTU), Inverter Technology, 230V, Heating & Cooling -SKU: 3X BRV-M09CT-230VI + BRV-M12CT-230VI + BRV-M36-230VO

Bravo

10% offMulti-zone system

36,000 BTU4 Zones

Capacity36,000 BTUVoltage208-230V

Room coverage250-400 / 400-550 sq ft

Zones4

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$3,576.96~~$3,974.40~~ You save $397.44 (10% off)

Free shipping eligible

MRCOOL R454B

18.0 SEER208-230V

MRCOOL® 36k R454B DIY 5th Generation Mini-Split Air Handler & Condenser 230VV w/ 25ft Pre-Charged Quick Connect® Line Set & DIY® Cable DIY-36-HP-WM-230D25-OMRCOOL® 36k R454B DIY 5th Generation Mini-Split Air Handler & Condenser 230VV w/ 25ft Pre-Charged Quick Connect® Line Set & DIY® Cable DIY-36-HP-WM-230D25-OSKU: DIY-36-HP-WM-230D25-O

MRCOOL

Single-zone system

36,000 BTU

Capacity36,000 BTUSEER18.0Voltage208-230V

Zones1

Indoor + outdoor units

See coverageWarranty

$3,769.00

$3,769.00 ~~$3,769.00~~

Check shipping

MRCOOL R454B

208-230V

MRCOOL Mini Split - Advantage Series 5th Gen 230V (1.5 TON) 19.2 SEER2 Ductless Air Conditioner and Heat Pump 18,000 BTU Quiet Wall Mount, Wi-Fi and 16ft Installation Kit Included Complete Inverter High Wall System - A-18-HP-230D-OMRCOOL Mini Split - Advantage Series 5th Gen 230V (1.5 TON) 19.2 SEER2 Ductless Air Conditioner and Heat Pump 18,000 BTU Quiet Wall Mount, Wi-Fi and 16ft Installation Kit Included Complete Inverter High Wall System - A-18-HP-230D-OSKU: A-18-HP-230D-O

MRCOOL

SaleSingle-zone system

18,000 BTU

Capacity18,000 BTUEfficiencyConfirm ratingVoltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

See coverageWarranty

From

$1,487.00

$1,487.00 ~~$1,711.00~~

Check shipping

MRCOOL R454B

208-230V

MRCOOL Mini Split - Advantage Series 5th Gen 230V (1 TON) 21.3 SEER2 Ductless Air Conditioner and Heat Pump wit Gen 12,000 BTU Quiet Wall Mount, Wi-Fi and 16ft Installation Kit Included Complete Inverter High Wall System - A-12-HP-230D-OMRCOOL Mini Split - Advantage Series 5th Gen 230V (1 TON) 21.3 SEER2 Ductless Air Conditioner and Heat Pump wit Gen 12,000 BTU Quiet Wall Mount, Wi-Fi and 16ft Installation Kit Included Complete Inverter High Wall System - A-12-HP-230D-OSKU: A-12-HP-230D-O

MRCOOL

SaleSingle-zone system

12,000 BTU

Capacity12,000 BTUEfficiencyConfirm ratingVoltage208-230V

Coverage250-400 sq ft

Zones1

Indoor + outdoor units

See coverageWarranty

From

$1,150.00

$1,150.00 ~~$1,312.25~~

Check shipping

Cooper & Hunter R454B

21.1 SEER208-230V

Cooper & Hunter Single-Zone 12,000 BTU 230V, 1 Ton, R454B, 21.1 SEER , (Dip Switch) Four way Ceiling Cassette Ductless Mini Split Air Conditioner Heat Pump 1 TON, Installation Kit Option. CH-RSH09-12MCT + CH-RES12-230VOCooper & Hunter Single-Zone 12,000 BTU 230V, 1 Ton, R454B, 21.1 SEER , (Dip Switch) Four way Ceiling Cassette Ductless Mini Split Air Conditioner Heat Pump 1 TON, Installation Kit Option. CH-RSH09-12MCT + CH-RES12-230VOSKU: CH-RSH09-12MCT + CH-RES12-230VO

Cooper & Hunter

Single-zone system

12,000 BTU

Capacity12,000 BTUSEER21.1Voltage208-230V

Coverage400-550 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,874.88

$1,874.88 ~~$1,353.37~~

Free shipping eligible

Cooper & Hunter R454B

208-230V

Cooper & Hunter Multi-Zone R454B, 18,000 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-RSH16MMCCooper&Hunter Multi-Zone R454B, 18,000 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-RSH16MMCSKU: CH-RSH16MMC

Cooper & Hunter

Indoor unit only

18,000 BTU

Capacity18,000 BTUVoltage208-230V

Requires matching Cooper & Hunter outdoor unit

From

$760.32

Free shipping eligible

MRCOOL

208-230V

MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)SKU: MVPHK05

MRCOOL

Accessory

Voltage208-230V

$150.00

$150.00 ~~$139.00~~

Check shipping

MRCOOL R454B

16.5 SEER208-230V

MRCOOL® 2nd Gen 48,000 BTU (4 TON) R454B Hyper Heat Multi-Position Central Ducted Air Handler Mini Split Complete System (Choose your Installation Kit) - MVP-48-HP-MUAH-230A00-O + CENTRAL-48-HP-C-230B00-OMRCOOL® 2nd Gen 48,000 BTU (4 TON) R454B Hyper Heat Multi-Position Central Ducted Air Handler Mini Split Complete System (Choose your Installation Kit) - MVP-48-HP-MUAH-230A00-O + CENTRAL-48-HP-C-230B00-OSKU: CENTRAL-48-HP-230B00-O

MRCOOL

Single-zone system

48,000 BTU

Air handler capacity48,000 BTUSEER16.5Voltage208-230V

Zones1

Indoor + outdoor units

See coverageWarranty

From

$4,519.00

$4,519.00 ~~$4,177.09~~

Check shipping

Cooper & Hunter R454B

20.7 SEER208-230V

Cooper & Hunter (Ref sensor /Humidity Sensor) 18000 BTU Four-Way Ceiling Cassette R454B 1.5 Ton Single Zone Air Conditioner Heat Pump Ductless Mini Split 20.7 SEER Inverter 230V Single Head Wi-Fi Thermostat CH-RSH18MCT + CH-RES18-230VOCooper&Hunter (Ref sensor /Humidity Sensor) 18000 BTU Four-Way Ceiling Cassette R454B 1.5 Ton Single Zone Air Conditioner Heat Pump Ductless Mini Split 20.7 SEER Inverter 230V Single Head Wi-Fi Thermostat CH-RSH18MCT + CH-RES18-230VOSKU: CH-RSH18MCT + CH-RES18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Capacity18,000 BTUSEER20.7Voltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$2,386.08

$2,386.08 ~~$1,509.19~~

Free shipping eligible

Cooper & Hunter R454B

17.7 SEER208-230V

Cooper & Hunter 48,000 BTU 4 TON, R454B, 17.7 SEER Heat Pump Split System with Multi Position Air Handler Unit and optional Installation Kit and Optional Auxiliary Heat Strip.CH-RS48LCAHU + CH-R48LCU-230VOCooper & Hunter 48,000 BTU 4 TON, R454B, 17.7 SEER Heat Pump Split System with Multi Position Air Handler Unit and optional Installation Kit and Optional Auxiliary Heat Strip.CH-RS48LCAHU + CH-R48LCU-230VOSKU: CH-RS48LCAHU + CH-R48LCU-230VO

Cooper & Hunter

Single-zone system

48,000 BTU

Condenser capacity48,000 BTUAir handler capacity48,000 BTUSEER17.7Voltage208-230V

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$5,084.64

$5,084.64 ~~$4,075.82~~

Free shipping eligible

Cooper & Hunter R454B

25 SEER2208-230V

Cooper & Hunter Mini Floor Console 18,000 BTU, R454, 230V Hyper, Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit CH-RSH16MMC + CH-RHP18-230VOCooper & Hunter Mini Floor Console 18,000 BTU, R454, 230V Hyper, Air Conditioning Unit for Heat Pump, Ductless Mini Split Inverter System Up To 25 SEER2 with Optional Installation Kit CH-RSH16MMC + CH-RHP18-230VOSKU: CH-RSH16MMC + CH-RHP18-230VO

Cooper & Hunter

Single-zone system

18,000 BTU

Capacity18,000 BTUSEER225Voltage208-230V

Coverage550-1000 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$2,549.80

$2,549.80 ~~$2,527.00~~

Free shipping eligible

Cooper & Hunter R454B

22.7 SEER2208-230V

Cooper & Hunter Single-Zone R454B, 9,000 BTU 230V, 0.75 TON Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.7 SEER2 with Optional Installation Kit. - CH-RH09MCT + CH-RES09-230VOCooper&Hunter Single-Zone R454B, 9,000 BTU 230V, 0.75 TON Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.7 SEER2 with Optional Installation Kit. - CH-RH09MCT + CH-RES09-230VOSKU: CH-RH09MCT + CH-RES09-230VO

Cooper & Hunter

Single-zone system

9,000 BTU

Capacity9,000 BTUSEER222.7Voltage208-230V

Coverage250-400 sq ft

Zones1

Indoor + outdoor units

7 years compressor · 5 years partsComplete system warranty

From

$1,683.36

$1,683.36 ~~$1,248.46~~

Free shipping eligible

Cooper & Hunter R454B

23.2 SEER110-115V

Cooper & Hunter Olivia Series Midnight Edition 1 Ton Single Zone AC & Heat Pump R454B 12000 BTU Ductless Mini Split Black Mirror Panel 23.2 SEER Inverter 115V/60HZ Single Head Wi-Fi Optional Install Kit CH-RB120LVWM-115VI + CH-RES12-115VOCooper&Hunter Olivia Series Midnight Edition 1 Ton Single Zone AC & Heat Pump R454B 12000 BTU Ductless Mini Split Black Mirror Panel 23.2 SEER Inverter 115V/60HZ Single Head Wi-Fi Optional Install Kit CH-RB120LVWM-115VI + CH-RES12-115VOSKU: CH-RB12OLVWM-115VI + CH-RES12-115VO

Cooper & Hunter

12,000 BTU

Capacity12,000 BTUSEER23.2Voltage110-115V

From

$1,368.00

$1,368.00 ~~$718.41~~

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

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

Ductless Mini Splits

Single Zone

Multi Zone

Ducted Mini Splits

Mini Split Components

Central HVAC Systems

Room Air and More

Accessories and Parts

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ACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalSKU: ACIQ-24-HPD + ACIQ-24-PAH

MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)SKU: MVPHK05

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ACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalACIQ Extreme+ Series 2 Ton 18.6 SEER2 High Efficiency Heat Pump Split System - R454B Inverter - Multi-PositionalSKU: ACIQ-24-HPD + ACIQ-24-PAH

MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)MRCOOL (5kW VersaPro & Hyper Heat 2nd Gen 454B Heat Kit) Ducted Air Handler Heat Kit, Auxiliary Heater, Electrical Heater(MVPHK05)SKU: MVPHK05

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