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.

Buy Search: 1000 results found for "ceiling cassette"

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 Multi-Zone R454B, 18,000 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-RH18MCT

Regular price $868.32

Sale price $868.32 Regular price
Unit price per
Cooper&Hunter Multi-Zone R454B, 9,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Choose Installation Kit, CH-RH09MCT

Regular price $760.32

Sale price $760.32 Regular price
Unit price per
MRCOOL DIY® 5th Gen OuttaSight® 12K BTU Ceiling Cassette | R-454B - DIYCASSETTE12HP-230D25-O

Regular price $1,421.00

Sale price $1,421.00 Regular price ~~$245.00~~
Unit price per
Cooper&Hunter Four-way Ceiling Cassette, Hyper, R454B, 48,000 BTU 230V Light Commercial Ductless Mini Split Air Conditioner Heat Pump 18 SEER 4 TON + Installation Kit Option.CH-RH48LCCT + CH-RHP48LCU-230VO

Regular price $5,272.82

Sale price $5,272.82 Regular price ~~$3,503.50~~
Unit price per
MRCOOL DIY 5th Gen OuttaSight 18K BTU Ceiling Cassette | R-454B - DIYCASSETTE18HP-230D25-O

Regular price $1,440.00

Sale price $1,440.00 Regular price ~~$245.00~~
Unit price per
MRCOOL DIY 5th Gen OuttaSight 9K BTU Ceiling Cassette | R-454B - DIYCASSETTE09HP-230D25-O

Regular price $1,410.00

Sale price $1,410.00 Regular price ~~$245.00~~
Unit price per
MRCOOL DIY® 5th Gen OuttaSight® 6K BTU Ceiling Cassette | R-454B - DIYCASSETTE06HP-230D25-O

Regular price $1,312.00

Sale price $1,312.00 Regular price ~~$245.00~~
Unit price per
10% OFF

Bravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 42,000 BTU (3.5 Ton), Ceiling Cassette Units (9K+12K+18K+18K BTU), Inverter Technology, 230V, Heating & Cooling -

$4,446.72 $4,002.05

You save $444.67 (10% off)
10% OFF

Bravo Milano Series 3-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (9K+9K+12K BTU), Inverter Technology, 230V, Heating & Cooling

$3,353.76 $3,018.38

You save $335.38 (10% off)
Bravo Milano Ductless Mini Split AC & Heat Pump – 9,000 BTU 230V, Ceiling Cassette Unit, Inverter, Heating & Cooling

Regular price $453.60

Sale price $453.60 Regular price
Unit price per
Cooper&Hunter Multi-Zone R454B, 12,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Choose Installation Kit, CH-RH12MCT

Regular price $823.68

Sale price $823.68 Regular price
Unit price per
10% OFF

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 & Cooling -

$3,807.36 $3,426.62

You save $380.74 (10% off)
Cooper&Hunter Four-way Ceiling Cassette R454B, 48,000 BTU 230V Light Commercial Ductless Mini Split Air Conditioner Heat Pump 19 SEER 4 TON + Installation Kit Option. CH-RH48LCCT + CH-R48LCU-230VO

Regular price $4,344.48

Sale price $4,344.48 Regular price ~~$3,503.50~~
Unit price per
Cooper&Hunter Multi-Zone R454B Dip Switch 6,000 9,000 12,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump Mini Split Inverter System Up To 24 SEER2 w/ Wi-Fi Enabled Thermostat CH-RSH06-12MCT1W

Regular price $1,330.83

Sale price $1,330.83 Regular price
Unit price per
Cooper&Hunter 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-RH18MCT + CH-RES18-230VO

Regular price $2,316.96

Sale price $2,316.96 Regular price ~~$1,509.19~~
Unit price per
Sale

Cooper&Hunter 3 Ton Ceiling Cassettes Unit – 36,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 230V, Wi-Fi Enabled – Compatible ONLY with CH-NHPR36LCU-230VO and CH-N36LCU-230VO (Single-Zone)

Regular price $556.27

Sale price $556.27 Regular price ~~$601.71~~
Unit price per

Sale
10% OFF

Bravo Milano Series 3-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (12K+12K+24K BTU), Inverter Technology, 230V, Heating & Cooling

$3,600.00 $3,240.00

You save $360.00 (10% off)
Bravo Milano Ductless Mini Split AC & Heat Pump – 18,000 BTU 230V, Ceiling Cassette Unit, Inverter, Heating & Cooling

Regular price $515.52

Sale price $515.52 Regular price
Unit price per
17% OFF

Bravo Pisa Series 18,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation Kit

$1,512.00 $1,254.96

You save $257.04 (17% off)
10% OFF

Bravo Milano Series 2-Zone Ductless Mini Split AC & Heat Pump – 24,000 BTU (2 Ton), Ceiling Cassette Units (9K+9K BTU), Inverter Technology, 230V, Heating & Cooling

$2,106.72 $1,896.05

You save $210.67 (10% off)
17% OFF

Bravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation Kit

$1,152.00 $956.16

You save $195.84 (17% off)
MRCOOL DIY 5th Gen Multi-Zone 6-Zone Mini Split AC & Heat Pump -- 48000 (4.0 Ton), One Way Ceiling Cassette Units (6K+9K+9K+9K+9K+12K BTU), Inverter Technology, 230V, Heating & Cooling - R454B

Regular price $11,601.00

Sale price $11,601.00 Regular price
Unit price per
MRCOOL Olympus Cassette 18,000 BTU (1.5 Ton) – CASSETTE18HP-230C-P-O

Regular price $765.00

Sale price $765.00 Regular price
Unit price per
10% OFF

Bravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 30,000 BTU (2.5 Ton), Ceiling Cassette Units (9K+9K+9K+9K BTU), Inverter Technology, 230V, Heating & Cooling -

$3,656.16 $3,290.54

You save $365.62 (10% off)

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Cooper&Hunter Multi-Zone R454B, 18,000 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-RH18MCT

Cooper&Hunter Multi-Zone R454B, 9,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Choose Installation Kit, CH-RH09MCT

MRCOOL DIY® 5th Gen OuttaSight® 12K BTU Ceiling Cassette | R-454B - DIYCASSETTE12HP-230D25-O

Cooper&Hunter Four-way Ceiling Cassette, Hyper, R454B, 48,000 BTU 230V Light Commercial Ductless Mini Split Air Conditioner Heat Pump 18 SEER 4 TON + Installation Kit Option.CH-RH48LCCT + CH-RHP48LCU-230VO

MRCOOL DIY 5th Gen OuttaSight 18K BTU Ceiling Cassette | R-454B - DIYCASSETTE18HP-230D25-O

MRCOOL DIY 5th Gen OuttaSight 9K BTU Ceiling Cassette | R-454B - DIYCASSETTE09HP-230D25-O

MRCOOL DIY® 5th Gen OuttaSight® 6K BTU Ceiling Cassette | R-454B - DIYCASSETTE06HP-230D25-O

Bravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 42,000 BTU (3.5 Ton), Ceiling Cassette Units (9K+12K+18K+18K BTU), Inverter Technology, 230V, Heating & Cooling -

Bravo Milano Series 3-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (9K+9K+12K BTU), Inverter Technology, 230V, Heating & Cooling

Bravo Milano Ductless Mini Split AC & Heat Pump – 9,000 BTU 230V, Ceiling Cassette Unit, Inverter, Heating & Cooling

Cooper&Hunter Multi-Zone R454B, 12,000 BTU 230V Indoor Four-Way Ceiling Cassette Air Conditioning Unit for Heat Pump, Mini Split Inverter System Up To 22.6 SEER2 with Choose Installation Kit, CH-RH12MCT

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 & Cooling -

Cooper&Hunter Four-way Ceiling Cassette R454B, 48,000 BTU 230V Light Commercial Ductless Mini Split Air Conditioner Heat Pump 19 SEER 4 TON + Installation Kit Option. CH-RH48LCCT + CH-R48LCU-230VO

Cooper&Hunter Multi-Zone R454B Dip Switch 6,000 9,000 12,000 BTU 230V One-Way Ceiling Cassette Air Conditioning Indoor Unit for Heat Pump Mini Split Inverter System Up To 24 SEER2 w/ Wi-Fi Enabled Thermostat CH-RSH06-12MCT1W

Cooper&Hunter 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-RH18MCT + CH-RES18-230VO

Cooper&Hunter 3 Ton Ceiling Cassettes Unit – 36,000 BTU Ductless Mini Split AC & Heat Pump, R410A, 26.4 SEER, Inverter, 230V, Wi-Fi Enabled – Compatible ONLY with CH-NHPR36LCU-230VO and CH-N36LCU-230VO (Single-Zone)

Bravo Milano Series 3-Zone Ductless Mini Split AC & Heat Pump – 36,000 BTU (3 Ton), Ceiling Cassette Units (12K+12K+24K BTU), Inverter Technology, 230V, Heating & Cooling

Bravo Milano Ductless Mini Split AC & Heat Pump – 18,000 BTU 230V, Ceiling Cassette Unit, Inverter, Heating & Cooling

Bravo Pisa Series 18,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation Kit

Bravo Milano Series 2-Zone Ductless Mini Split AC & Heat Pump – 24,000 BTU (2 Ton), Ceiling Cassette Units (9K+9K BTU), Inverter Technology, 230V, Heating & Cooling

Bravo Pisa Series 9,000 BTU 22.0 SEER2, Single Zone Ceiling Cassette Mini Split Heat Pump System w/ 16' Installation Kit

MRCOOL DIY 5th Gen Multi-Zone 6-Zone Mini Split AC & Heat Pump -- 48000 (4.0 Ton), One Way Ceiling Cassette Units (6K+9K+9K+9K+9K+12K BTU), Inverter Technology, 230V, Heating & Cooling - R454B

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

Bravo Milano Series 4-Zone Ductless Mini Split AC & Heat Pump – 30,000 BTU (2.5 Ton), Ceiling Cassette Units (9K+9K+9K+9K BTU), Inverter Technology, 230V, Heating & Cooling -