Stealth 4 Ton 18 SEER Ducted Central Air Inverter Heat Pump Split System | Max Heat - SC-4860-HP / SC-48-AH
Stealth Central Heat and Air Systems featuring Max Heat unite the remarkable efficiency of an inverter condenser with a cutting-edge air handler seamlessly integrated into your current ductwork infrastructure
4-5 Ton 18 SEER Stealth Central Heat & Air Inverter Condenser | Max Heat

The Stealth central ducted condensers' integrated inverter compressor ensures maximum efficiency by adjusting system BTU output and fan speed to precisely match demand. This functionality happens in both heating and cooling modes. Max Heat technology extends the heat pump operating range down to -22°F outside temperature. With up to a 17 SEER2 rating, these Stealth central ducted condensers give you better performance and more features than any other brand.
Features
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Max Heat Technology: Max Heat Technology is extended heat pump performance. A secondary benefit of a self-adjusting compressor is the ability to speed or slow refrigerant and air flow at the outside unit - maximizing heat extraction. Older, traditional heat pumps stop working below 30°F, but the Stealth Heat Pump Condenser keeps you comfortable in any weather.
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Flexibility: These Stealth condensers are designed with your ultimate comfort in mind. Experience unparalleled flexibility as these innovative condensers can be easily configured to operate at both 24k and 36k capacities, seamlessly adapting to your specific requirements when coupled with the corresponding air handlers. Your comfort, your choice.
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Durability and Reliability: Rugged construction and an acrylic resin gold fin coating on the outside condenser coil adds up to a long, trouble-free service life. The inside evaporator has blue fin coating protection and a sturdy 8-speed fan. Precision engineering is behind every Stealth central ducted model, resulting in powerful performance across a punishing range of conditions.
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Quiet Comfort: Every Stealth central ducted condenser has a slim, horizontal discharge design, ideal for close lot-line installations. Outside noise level is no more than 55 dBa max, equivalent to a dishwasher. The indoor unit fan has 8 speeds, for near-silent operation. Give your home complete comfort at maximum efficiency with a Stealth central ducted heat pump system.
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14-Year Warranty: The Stealth central ducted condensers features a 14-year compressor/5-year parts warranty with online registration. Without registering the warranty, you are still protected by the standard 7-year compressor/5-year parts warranty.
Highlights
- Compatible with any 24v thermostat
- Can be set to either 48k or 60k capacities with corresponding air handlers
- Max efficiency up to 18 SEER and 10.5 HSPF
- Efficient cooling from 5°F to 122°F outdoor temperatures
- Efficient heating from -22°F to 75°F outdoor temperatures
- Max Heat base pan heater technology
- Rugged Construction with acrylic resin gold fin coating for durability
- 14-year condenser/5-year parts warranty with online registration
4 Ton Stealth Central Air Handler

The Stealth central ducted air handlers provide quiet power to move conditioned air throughout your home with maximum efficiency.
- Use any 24v thermostat including popular Nest or Ecobee
- 8 fan speeds mean quiet performance under all working conditions
- Indoor unit has blue-fin coating for extended life
- Backup Electric heat options available
- Uses standard 3/8” x ¾” line set
Please note: This air handler must be connected to an outdoor condenser in order to function.
Specifications
Model |
SC-2436-HP / SC-36-AH |
AHRI Certificate Number |
211717294 |
Electric Heat |
Heat Pump |
Tonnage |
3 Ton |
System Tonnage |
3 Ton |
BTU/Tonnage |
36,000 BTU/3 Ton |
Warranty |
14 year compressor, 5 year parts with online registration |
Proposition 65 Warning |
Yes |
Brand |
Stealth Comfort |
Model |
SC-2436-HP |
Refrigerant Charge |
31' |
Weight (in lbs) |
217.000000 |
HSPF2 |
9 |
Cooling BTU |
Min: 12,000 BTU | Max: 37,000 BTU |
Heating BTU |
Min: 12,000 BTU | Max: 38,000 BTU |
Maximum CFM |
1850 |
Decibel Level (dBA) |
55 |
Electric Heat |
Heat Pump |
Refrigerant |
R410A |
SEER1 (Efficiency) |
20 |
SEER2 (Efficiency) |
17 |
Compressor Type |
Rotary |
Liquid Line |
3/8" |
Suction Line |
3/4" |
Electrical |
208/230V 1 Phase 60 Hz |
Max Breaker Size |
35 Amps |
Min. Breaker Size |
24 Amps |
Tonnage |
3 Ton |
BTU/Tonnage |
36,000 BTU/3 Ton |
Mini-Split Type |
Multi-Positional |
Min/Max Outdoor Temp for Heating |
-22°F~75°F |
Min/Max Outdoor Temp for Cooling |
5°F~122° |
Zone Compatibility |
Single Zone |
Ambient Temperature Range |
-22°F~122°F |
Height |
32.25" |
Width |
37" |
Depth |
18.13" |
Warranty |
14 year compressor, 5 year parts with online registration |
Proposition 65 Warning |
Yes |
Brand |
Stealth Comfort |
Model |
SC-36-AH |
Refrigerant Charge |
30' |
Weight (in lbs) |
127.430000 |
HSPF |
11 |
Cooling BTU |
36000 BTU |
Heating BTU |
36000 BTU |
Maximum CFM |
1000 |
Decibel Level (dBA) |
47 Max |
Electric Heat |
Heat Pump |
Electric Backup Heat Capabilities (Optional) |
5 Kilowatts, 10 Kilowatts |
Energy Star |
Yes |
Refrigerant |
R410A |
SEER1 (Efficiency) |
18-20 |
EER |
12.5 |
Liquid Line |
3/8" |
Suction Line |
3/4" |
Electrical |
208/230V 1 Phase 60 Hz |
Max Breaker Size |
15 |
Min. Breaker Size |
4 |
Tonnage |
3 Ton |
BTU/Tonnage |
36,000 BTU/3 Ton |
Mini-Split Type |
Multi-Positional |
Zone Compatibility |
Single Zone |
Height |
45" |
Width |
21.02" |
Depth |
17.52" |
Warranty |
14 year compressor, 5 year parts with online registration |
Proposition 65 Warning |
Yes |
What Our Experts Think
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High Efficiency: With an 18 SEER rating, it delivers energy savings while maintaining powerful heating and cooling capabilities.
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Massive 4 Ton Capacity: Perfect for larger homes or commercial spaces, ensuring consistent temperature control throughout.
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Max Heat Technology: Delivers reliable performance even in extreme weather conditions, making it ideal for various climates.
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Ducted Integration: Seamlessly fits into existing ductwork for even airflow and a discreet, centralized setup.
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Inverter Technology: Provides precise temperature adjustments, reduced energy usage, and quieter operation for enhanced comfort.
Q&A
Q: What is the Stealth 4 Ton 18 SEER Ducted Central Air Inverter Heat Pump Split System?
A: A high-capacity, 4-ton, 18 SEER ducted heat pump system designed for efficient central air heating and cooling, featuring Max Heat technology for reliable performance in extreme climates.
Q: What are the key features?
A:
- 18 SEER energy efficiency
- 4-ton capacity for large residential or commercial spaces
- Inverter technology for precise temperature regulation
- Max Heat functionality for cold-weather operation
- Ducted system for consistent air distribution
Q: What are the benefits of this system?
A: Offers whole-space comfort with energy savings, dependable performance in harsh conditions, and even heating and cooling throughout.
Q: Is this system suitable for large buildings?
A: Yes, it’s designed to handle the demands of large spaces with ease.
Q: Who should consider this system?
A: Perfect for homeowners or businesses needing a powerful, energy-efficient ducted heating and cooling solution for year-round comfort
Maintenance Tips
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Replace Air Filters: Check and replace filters every 1-3 months to maintain airflow and indoor air quality.
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Inspect Outdoor Unit: Clear debris from the condenser and ensure unobstructed airflow around the unit.
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Check Ductwork: Inspect ducts for leaks, blockages, and proper insulation regularly.
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Monitor Refrigerant: Schedule professional checks of refrigerant levels annually for peak efficiency.
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Clean Drain Lines: Ensure condensate drains are free of clogs to prevent water damage or mold growth.
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Test Thermostat: Verify accurate thermostat operation and responsiveness to temperature settings.
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Seasonal System Test: Run both heating and cooling modes before high-demand seasons to ensure readiness.
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Schedule Professional Maintenance: Have an HVAC technician perform yearly tune-ups to optimize performance and longevity