DIY Mini Split
Systems
Built to Last.
Professional-grade ductless heating and cooling — engineered for self-installation. No vacuum pump. No contractor. No compromise.
12K Single Zone • Flareless line sets — cut to length • Mix King & Emperor indoor handlers
GWIN Assisted DIY 12,000 BTU 19 SEER2 115V King 13 Single Zone Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech
- 115V single phase
- Heating to −13°F
- Complete system
- All GWIN™ guarantees
GWIN Assisted DIY 12,000 BTU 19 SEER2 115V King Single Zone Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech The GWIN 12,000 BTU 19 SEER2 115V King Single Zone Ductless Mini...
GWIN Assisted DIY 12,000 BTU 19 SEER2 115V King Single Zone Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech
The GWIN 12,000 BTU 19 SEER2 115V King Single Zone Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech is a compact and efficient heating and cooling solution for bedrooms, offices, studios, and other small spaces. Designed for dependable comfort and easy everyday use, this 115V ductless mini-split system offers efficient inverter-driven performance in a sleek wall-mounted design.
With a 19 SEER2 rating, this 12,000 BTU mini-split heat pump helps reduce energy consumption while maintaining more stable temperatures indoors. It uses R32 refrigerant for enhanced energy efficiency and a lower environmental impact, and it includes a 15 foot line set and communication wire for added installation convenience.
Efficient Comfort for Smaller Rooms
This King Series system is a strong option for smaller residential rooms and similar single-zone applications where simple, efficient comfort is the goal. Its inverter-based operation helps reduce cycling and supports a more consistent indoor environment.
Key Features
- 12,000 BTU single zone ductless mini-split for small spaces
- 19 SEER2 efficiency for energy-conscious performance
- 115V operation for compatible standard-voltage applications
- Wi-Fi Included
- Low ambient cooling down to 0°F (range: 0°F to 118°F)
- Low ambient heating down to -13°F (range: -13°F to 75°F)
- Indoor and outdoor coil: Copper tube / aluminum fin
- Blue Colored Fin - 500 Hrs Salt Spray Tested
- Basepan with electric heater
- Compressor with electric heater
- Intelligent defrosting
- Force defrosting
- Intelligent preheating
- Low voltage startup
- Memory / power failure recovery
- Self diagnosis
- Multiple fan speeds
- Indoor unit display
- A2L leak detection sensor (indoor) factory installed
- Quiet operation for everyday indoor comfort
Reliable Cold Weather Performance
The King Single Zone series is built for dependable heating operation in colder conditions, with a heating range down to -13°F and up to 75°F. This makes it a practical choice for buyers seeking a 12,000 BTU cold weather mini-split heat pump with efficient year-round operation.
Assisted DIY Installation Advantage
GWIN is built for homeowners and installers who want the freedom of a full Assisted DIY install with full warranty while still having expert support available from day one. This system is positioned as the first Assisted DIY system to come with a tech, giving buyers added confidence during installation and startup.
- Professional commercial grade compressors and control boards
- Flareless brassless connection approach
- Cut-to-length line set installation flexibility
- Comes with GWIN tech included — described as the first system to ever come with a tech *only to commission system
- No worries in your install with a GWIN Tech included
- Full Assisted DIY install with full warranty
Included in This Complete System
- GWIN 12,000 BTU King indoor air handler
- Matching outdoor condenser
- 15 foot line set
- Communication wire
- Remote comfort functions
Ideal Applications
This 12,000 BTU 115V ductless mini-split complete system is ideal for bedrooms, offices, small dens, guest rooms, workshops, and similar spaces where compact, efficient heating and cooling are needed.
System Information
| System Type | Heat Pump |
| Indoor Model | KING12HP115V1R32AH |
| Outdoor Model | KING12HP115V1R32AO |
| Remote Controller | YBE1FB1F |
| Optional Wired Controller | XE71 |
Performance Specifications
| Cooling Capacity (Min - Max) | 3,070 - 13,300 BTU/h |
| Rated Cooling Capacity @ 95°F | 12,000 BTU/h |
| Heating Capacity (Min - Max) | 3,070 - 14,600 BTU/h |
| Rated Heating Capacity @ 47°F | 12,000 BTU/h |
| Rated Heating Capacity @ 17°F | 9,700 BTU/h |
| Rated Heating Capacity @ 5°F | 8,500 BTU/h |
| SEER2 | 19.0 |
| EER2 | 9.3 |
| HSPF2 | 8.5 |
| COP @ 5°F | 1.75 |
| Cooling Temperature Range | 0°F to 118°F |
| Heating Temperature Range | -13°F to 75°F |
| Refrigerant Type | R32 |
Indoor Unit Specifications
| Model | KING12HP115V1R32AH |
| Air Flow (Min - Max) | 182 - 424 CFM |
| Sound Pressure Level (Min - Max) | 27 - 47 dB(A) |
| Dehumidification | 2.96 pt/hr |
| Unit Dimensions (W x H x D) | 32-7/8 x 10-53/64 x 7-7/8 in. |
| Package Dimensions (W x H x D) | 35-15/64 x 13-37/64 x 10-43/64 in. |
| Net Weight | 19.8 lbs |
| Gross Weight | 24.3 lbs |
Outdoor Unit Specifications
| Model | KING12HP115V1R32AO |
| Compressor Type | GWIN G20 / Single Cylinder / 1-Stage Inverter |
| Sound Pressure Level | 52 dB(A) |
| Unit Dimensions (W x H x D) | 28-13/16 x 21-7/8 x 12-63/64 in. |
| Package Dimensions (W x H x D) | 31-17/64 x 24-7/32 x 14-51/64 in. |
| Net Weight | 58.4 lbs |
| Gross Weight | 63.9 lbs |
Refrigerant Piping
| Refrigerant Charge | 17.6 oz |
| Additional Charge | 0.2 oz/ft |
| Line Set Size (Liquid - Gas) | 1/4 - 3/8 in. |
| Pre-Charge Length | 25 ft |
| Pipe Length (Min - Max) | 10 - 66 ft |
| Max Pipe Elevation | 40 ft |
Electrical
| Power Supply | 115V / 1Ph / 60Hz (Powered by the Outdoor Unit) |
| Voltage Range | 103 - 126 VAC |
| Rated Current - Cooling | 14.34 A |
| Rated Current - Heating | 14.64 A |
| MOCP | 20 A |
| MCA | 19 A |
| Main Power Wire Size | Per Local Code |
| Interconnecting Wire Size | 14 / 4 AWG |
Remote Controller Functions
- Auto Mode
- Auto Fan
- Auto Swing (Horizontal Auto Swing)
- Auto Swing (Vertical Auto Swing)
- Clock on Remote Controller
- Dry Mode
- Dry Anti-Mildew (X-Fan) Mode
- Energy Saving Mode
- Dirty Filter Alert
- I Feel Function
- Lock on Remote Controller
- Quiet Mode
- Room Temperature Display
- Sleep Mode
- Timer Mode
- Turbo Mode
- Display On/Off Control
- Freeze Guard Mode (46°F)
Indoor Unit Dimensions (Unit: inch)
External Dimensions
- W: 32 7/8
- H: 10 53/64
- D: 7 7/8
Package Dimensions
- W: 35 15/64
- H: 13 37/64
- D: 10 43/64
Outdoor Unit Dimensions (Unit: inch)
External Dimensions
- W: 28 13/16
- H: 21 7/8
- D: 12 63/64
Package Dimensions
- W: 31 17/64
- H: 24 7/32
- D: 14 51/64
Minimum Clearance Requirements
Indoor Unit
- Space to the ceiling: at least 3 inches
- Space to the wall: at least 2 inches
- Space to the floor: at least 48 inches
- Space to the obstruction: at least 48 inches
Outdoor Unit
- Space to the obstruction (top): at least 12 inches
- Space to the obstruction (side): at least 6 inches
- Space to the wall: at least 6 inches
- Space to the obstruction (front): at least 24 inches
- Space to the obstruction (other side): at least 6 inches
Note: If the bottom of the unit is free of airflow obstructions similar to the mounting bracket figure, the clearance to the wall on the back can be reduced to 3 inches. Please consult submittal for image.
The Evolution of DIY Mini Splits
GWIN™ Assisted DIY™
Most DIY mini splits still leave the hardest parts up to you — pressure testing, vacuuming the system, handling refrigerant, or finding your own tech, and even dealing with bulky pre-charged line sets. GWIN™ HVAC changes all of that with Assisted DIY™. The GWIN Assisted DIY 12,000 BTU 19 SEER2 115V King 13 Single Zone Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech with Assisted DIY™ is an evolution over DIY alone and makes GWIN™ a complete DIY mini split system that includes free expert tech support, with a tech included, so you never need special tools, never touch refrigerant, never run a vacuum pump, and never perform a pressure test. Our line sets with our easy connect flare-less fittings, allow for a professional operating system, with a professional look. Which also means no coiled mess and no guesswork — just a straightforward self-install ductless system that goes in like a true DIY HVACproject, backed by professionals every step of the way. Whether you're cooling or heating a garage, basement, bedroom, sunroom, home addition, tiny home, or cabin — GWIN™ HVAC is the ultimate DIY ductless solution with our Assisted DIY™ for homeowners who want to do it themselves, but done right." GWIN™ HVAC is the advanced version of DIY mini splits.
GWIN Assisted DIY 12,000 BTU 25 SEER2 230V Single Zone Ductless Mini-Split Complete System With 15 Foot Line Set And Communication Wire
- 230V single phase
- Heating to −13°F
- Complete system
- All GWIN™ guarantees
Description GAMAR12HP230V1ECS Experience superior climate control with the GWIN Assisted DIY 12,000 BTU 25 SEER2 Single-Zone Ductless Mini-Split System - engineered for reliable performance and advanced comfort featur...
Description GAMAR12HP230V1ECS
Experience superior climate control with the GWIN Assisted DIY 12,000 BTU 25 SEER2 Single-Zone Ductless Mini-Split System - engineered for reliable performance and advanced comfort features on standard 230V power.
-
One Room, Perfect Comfort: Heat or cool spaces up to 550 sq. ft. with independent temperature control and micro-vent soft airflow for personalized comfort in bedrooms, offices, studios, and small living spaces.
-
Assisted HVAC Done Right: Until GWIN came along, Assisted HVAC was easy to get wrong—small mistakes could create expensive problems. You also used to have to sacrifice quality for affordability. GWIN Assisted DIY fixes all of that with easier installation, better coverage, and top-quality systems without the expensive pro installation costs.
-
Advanced Self-Cleaning Technology: Reaches 134°F to eliminate bacteria, viruses, dust mites, and pollen for superior air quality. Thousands of precision micro-vents create a gentle, draft-free breeze for optimum comfort.
-
Exceptional Reliability: Golden Fin Coils resist corrosion and oxidation; Three-Proof outdoor PCB design reduces failure rates with UV protection.
-
All-Season Performance: Reliable operation from -13°F to 125°F with automatic base pan heater to reduce ice buildup. Tolerates wide voltage fluctuation (165V–265V) for unstable grid conditions.
-
Smart Connectivity: Built-in Wi-Fi control and offline voice commands for convenient operation.
-
Premium Warranty: 12-Year Compressor (registered) protection for long-term peace of mind.
The GWIN system delivers powerful, efficient heating and cooling with inverter compressor technology, Golden Fin durability, and intelligent features for year-round comfort and lower energy bills.
System Features
- Self-Cleaning: Eliminates bacteria, viruses, dust mites, microorganisms, and dust particles. Advanced sterilization system reaches 134°F to remove viruses, bacteria, dust, and pollen for clean air.
- Micro-Vent Soft Airflow: Thousands of precision micro-vents create a gentle, draft-free breeze for optimum comfort. *depending on system
- Outdoor Unit Operation: Reliable performance from -22°F to 125°F for all-season comfort.
- Wide Voltage Fluctuation: Tolerates unstable grid conditions with a range of 125–265V.
- Base Pan Heater: Automatically activates in low temperatures to reduce ice build-up and improve heating efficiency.
- Wi-Fi Control: Built-in Wi-Fi module allows convenient temperature and mode adjustments from anywhere.
- Fast Heating and Cooling: Inverter compressor rapidly achieves your desired room temperature.
- Offline Voice Control: Operate the unit with simple same-room voice commands—no app required.
- ECO Energy-Saving Mode: Designed to reduce power use and help save energy.
- Easy Installation: Includes installation guide, mounting plate, and built-in level for faster installs.
Built for Reliability
- Golden Fin Coils (indoor and outdoor): Enhanced resistance to corrosion and oxidation versus conventional blue-fin coatings.
- Outdoor PCB "Three-Proof" design: UV-adhesive cover and vertical placement help reduce corrosion and deformation for lower failure rates.
COVERAGE & CAPACITY GUIDE Optimal conditions: 8-foot ceilings and good insulation
12K: 550 sq ft
SPECIFICATIONS & DIMENSIONS
SYSTEM OVERVIEW
| System Type | Ductless Mini Split Air Conditioner & Heat Pump | | Zones | 1 | | Capacity | 12,000 BTU (Rated); Range: 1,700–13,400 BTU (Cooling); 1,700–16,000 BTU (Heating) | | SEER2 Rating | 25 | | HSPF2 Rating | 10.5 | | Voltage | 208–230V, 1-Phase, 60 Hz | | Line Sets Included | 1 x 15 ft Line Set + Communication Wire | | Warranty | 12 Years Compressor (registered); 7 Years Parts & Labor |
INDOOR UNIT (12K) x 1
| Model | GAMAR12HP230V1EH | | Dimensions | 32.8"W x 8.4"H x 11.8"D | | Mounting Type | Wall | | Cooling Capacity | 12,000 BTU/h | | Heating Capacity | 12,300 BTU/h @ 47°F; 12,400 BTU/h @ 17°F | | Airflow (CFM) | Cool: 380/330/302/273/193; Heat: 380/330/302/273/193 | | Sound Level | Cool: 43/40/36/33/27 dB(A); Heat: 43/40/36/33 dB(A) | | Liquid Line | 1/4"; Gas Line: 3/8"; Drain: 5/8" | | Weight | 18.8 lbs |
OUTDOOR UNIT (12K) x 1
| Model | GAMAR12HP230V1EO | | Dimensions | 34.6"W x 21.9"H x 13.9"D | | Cooling Capacity | 12,000 BTU/h | | Heating Capacity | 12,300 BTU/h @ 47°F; 12,400 BTU/h @ 17°F; 9,700 BTU/h @ 5°F; 7,200 BTU/h @ -5°F | | Operating Range | Cooling: 5–125°F; Heating: -13–75°F | | Voltage | 208–230V, 1-Phase, 60 Hz | | Power Input | 990 W (Cooling); 936 W (Heating @ 47°F) | | Breaker/MCA/MOCP | 15A / 9A / 15A | | Outdoor Sound | 53 dB(A) | | Certifications | Tested for wide voltage fluctuation (165V–265V) |
The Evolution of DIY Mini Splits
GWIN™ Assisted DIY™
Most DIY mini splits still leave the hardest parts up to you — pressure testing, vacuuming the system, handling refrigerant, or finding your own tech, and even dealing with bulky pre-charged line sets. GWIN™ HVAC changes all of that with Assisted DIY™. The GWIN Assisted DIY 12,000 BTU 25 SEER2 230V Single Zone Ductless Mini-Split Complete System With 15 Foot Line Set And Communication Wire with Assisted DIY™ is an evolution over DIY alone and makes GWIN™ a complete DIY mini split system that includes free expert tech support, with a tech included, so you never need special tools, never touch refrigerant, never run a vacuum pump, and never perform a pressure test. Our line sets with our easy connect flare-less fittings, allow for a professional operating system, with a professional look. Which also means no coiled mess and no guesswork — just a straightforward self-install ductless system that goes in like a true DIY HVACproject, backed by professionals every step of the way. Whether you're cooling or heating a garage, basement, bedroom, sunroom, home addition, tiny home, or cabin — GWIN™ HVAC is the ultimate DIY ductless solution with our Assisted DIY™ for homeowners who want to do it themselves, but done right." GWIN™ HVAC is the advanced version of DIY mini splits.
GWIN Assisted DIY 12,000 BTU 25 SEER2 115V Single Zone Ductless Mini-Split Complete System With 15 Foot Line Set And Communication Wire
- 115V single phase
- Heating to −13°F
- Complete system
- All GWIN™ guarantees
Description GAMAR12HP115V1ECS Experience superior climate control with the GWIN Assisted DIY 12,000 BTU 25 SEER2 Single-Zone Ductless Mini-Split System - engineered for reliable performance and advanced comfort featur...
Description GAMAR12HP115V1ECS
Experience superior climate control with the GWIN Assisted DIY 12,000 BTU 25 SEER2 Single-Zone Ductless Mini-Split System - engineered for reliable performance and advanced comfort features on standard 115V power.
-
One Room, Perfect Comfort: Heat or cool spaces up to 550 sq. ft. with independent temperature control and micro-vent soft airflow for personalized comfort in bedrooms, offices, studios, and small living spaces.
-
Assisted HVAC Done Right: Until GWIN came along, Assisted HVAC was easy to get wrong—small mistakes could create expensive problems. You also used to have to sacrifice quality for affordability. GWIN Assisted DIY fixes all of that with easier installation, better coverage, and top-quality systems without the expensive pro installation costs.
-
Advanced Self-Cleaning Technology: Reaches 134°F to eliminate bacteria, viruses, dust mites, and pollen for superior air quality. Thousands of precision micro-vents create a gentle, draft-free breeze for optimum comfort.
-
Exceptional Reliability: Golden Fin Coils resist corrosion and oxidation; Three-Proof outdoor PCB design reduces failure rates with UV protection.
-
All-Season Performance: Reliable operation from -13°F to 125°F with automatic base pan heater to reduce ice buildup. Tolerates wide voltage fluctuation (80V–140V) for unstable grid conditions.
-
Smart Connectivity: Built-in Wi-Fi control and offline voice commands for convenient operation.
-
Premium Warranty: 12-Year Compressor (registered) protection for long-term peace of mind.
The GWIN system delivers powerful, efficient heating and cooling with inverter compressor technology, Golden Fin durability, and intelligent features for year-round comfort and lower energy bills—all on standard 115V household power with no special electrical work required.
System Features
- Self-Cleaning: Eliminates bacteria, viruses, dust mites, microorganisms, and dust particles. Advanced sterilization system reaches 134°F to remove viruses, bacteria, dust, and pollen for clean air.
- Micro-Vent Soft Airflow: Thousands of precision micro-vents create a gentle, draft-free breeze for optimum comfort. *depending on system
- Outdoor Unit Operation: Reliable performance from -22°F to 125°F for all-season comfort.
- Wide Voltage Fluctuation: Tolerates unstable grid conditions with a range of 80–140V.
- Base Pan Heater: Automatically activates in low temperatures to reduce ice build-up and improve heating efficiency.
- Wi-Fi Control: Built-in Wi-Fi module allows convenient temperature and mode adjustments from anywhere.
- Fast Heating and Cooling: Inverter compressor rapidly achieves your desired room temperature.
- Offline Voice Control: Operate the unit with simple same-room voice commands—no app required.
- ECO Energy-Saving Mode: Designed to reduce power use and help save energy.
- Easy Installation: Includes installation guide, mounting plate, and built-in level for faster installs.
Built for Reliability
- Golden Fin Coils (indoor and outdoor): Enhanced resistance to corrosion and oxidation versus conventional blue-fin coatings.
- Outdoor PCB "Three-Proof" design: UV-adhesive cover and vertical placement help reduce corrosion and deformation for lower failure rates.
COVERAGE & CAPACITY GUIDE Optimal conditions: 8-foot ceilings and good insulation
12K: 550 sq ft
SPECIFICATIONS & DIMENSIONS
SYSTEM OVERVIEW
| System Type | Ductless Mini Split Air Conditioner & Heat Pump | | Zones | 1 | | Capacity | 12,000 BTU (Rated); Range: 1,700–13,400 BTU (Cooling); 1,700–16,000 BTU (Heating) | | SEER2 Rating | 25 | | HSPF2 Rating | 10.5 | | Voltage | 115V, 1-Phase, 60 Hz | | Line Sets Included | 1 x 15 ft Line Set + Communication Wire | | Warranty | 12 Years Compressor (registered); 7 Years Parts & Labor |
INDOOR UNIT (12K) x 1
| Model | GAMAR12HP115V1EH | | Dimensions | 32.8"W x 8.4"H x 11.8"D | | Mounting Type | Wall | | Cooling Capacity | 12,000 BTU/h | | Heating Capacity | 12,300 BTU/h @ 47°F; 12,400 BTU/h @ 17°F | | Airflow (CFM) | Cool: 380/330/302/273/193; Heat: 380/330/302/273/193 | | Sound Level | Cool: 43/40/36/33/27 dB(A); Heat: 43/40/36/33 dB(A) | | Liquid Line | 1/4"; Gas Line: 3/8"; Drain: 5/8" | | Weight | 18.8 lbs |
OUTDOOR UNIT (12K) x 1
| Model | GAMAR12HP115V1EO | | Dimensions | 34.6"W x 21.9"H x 13.9"D | | Cooling Capacity | 12,000 BTU/h | | Heating Capacity | 12,300 BTU/h @ 47°F; 12,400 BTU/h @ 17°F; 9,600 BTU/h @ 5°F; 7,200 BTU/h @ -5°F | | Operating Range | Cooling: 5–125°F; Heating: -13–75°F | | Voltage | 115V, 1-Phase, 60 Hz | | Power Input | 1,000 W (Cooling); 900 W (Heating @ 47°F) | | Breaker/MCA/MOCP | 25A / 20A / 25A | | Outdoor Sound | 53 dB(A) | | Certifications | Tested for wide voltage fluctuation (80V–140V) |
The Evolution of DIY Mini Splits
GWIN™ Assisted DIY™
Most DIY mini splits still leave the hardest parts up to you — pressure testing, vacuuming the system, handling refrigerant, or finding your own tech, and even dealing with bulky pre-charged line sets. GWIN™ HVAC changes all of that with Assisted DIY™. The GWIN Assisted DIY 12,000 BTU 25 SEER2 115V Single Zone Ductless Mini-Split Complete System With 15 Foot Line Set And Communication Wire with Assisted DIY™ is an evolution over DIY alone and makes GWIN™ a complete DIY mini split system that includes free expert tech support, with a tech included, so you never need special tools, never touch refrigerant, never run a vacuum pump, and never perform a pressure test. Our line sets with our easy connect flare-less fittings, allow for a professional operating system, with a professional look. Which also means no coiled mess and no guesswork — just a straightforward self-install ductless system that goes in like a true DIY HVACproject, backed by professionals every step of the way. Whether you're cooling or heating a garage, basement, bedroom, sunroom, home addition, tiny home, or cabin — GWIN™ HVAC is the ultimate DIY ductless solution with our Assisted DIY™ for homeowners who want to do it themselves, but done right." GWIN™ HVAC is the advanced version of DIY mini splits.
