Durastar DRAF18F2A & DRA1H18S2A 18,000 BTU 20.4 SEER2 Floor Mounted Sirius Heat Heat Pump System - R454B

Durastar DRAF18F2A & DRA1H18S2A – 18,000 BTU R‑454B Sirius Heat™ Floor/Ceiling Mini‑Split Heat Pump System
The Durastar DRAF18F2A and DRA1H18S2A Sirius Heat™ system delivers 18,000 BTU of efficient, flexible comfort with a versatile design that mounts on either the floor or ceiling. Built for cold climates, this high-performance system provides 100% heating capacity at 0 °F and operates reliably down to –22 °F. With smart modes, low-GWP R‑454B refrigerant, and ENERGY STAR® efficiency, it’s ideal for large single-zone spaces.

General Information
System Type: Floor/ceiling mount mini-split heat pump system (indoor & outdoor)
Indoor Model: DRAF18F2A
Outdoor Model: DRA1H18S2A
Capacity: 18,000 BTU Heating & Cooling
Room Size: Ideal for large single-zone spaces needing flexible installation
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant: R‑454B, low‑GWP, pre‑charged (liquid 1/4″, suction 1/2″)

Key Features
• Sirius Heat™ Technology: Up to 100% heating at 0 °F, operation to –22 °F
• Flexible Installation: Floor or ceiling mount for diverse applications
• Inverter Compressor: Variable speed for energy savings and stable temperatures
• Quiet Operation: Indoor sound levels as low as 29 dB(A); outdoor 58 dB(A)
• Smart Modes: Turbo, ECO, Sleep, Active Clean, Auto Restart, and 46 °F freeze protection
• Base Pan Heater: Built-in for winter-ready performance
• Durability: Golden Fin anti-corrosion coil coating
• Humidity Control: Removes up to 87.7 pints/day
• A2L Safety Ready: Integrated refrigerant leak detection
• Thermostat Compatible: Supports DRSTAT101 wired thermostat

Specifications (Rated Conditions)
Cooling Capacity (Rated/Range): 17,000 BTU | 7,400 – 19,200 BTU
Heating Capacity (Rated/Range): 19,000 BTU | 8,300 – 20,700 BTU
SEER2 / EER2: 20.4 / 12.0
HSPF2: 12.1
COP (47°F / 17°F / 5°F): 3.07 / 2.54 / 1.86
Airflow (Indoor - CFM): 421 (Low) to 577 (Turbo)
Operating Temp Range (Cooling/Heating): –22 °F – 122 °F / –22 °F – 75 °F
Electrical: 208/230 V • 1‑Phase • 60 Hz
Indoor Unit Dimensions/Weight: 42-1/16″ × 26-9/16″ × 9-1/4″ • 58.4 lb
Outdoor Unit Dimensions/Weight: 35-1/16″ × 13-7/16″ × 26-1/2″ • 99.9 lb

Included Components
• DRAF18F2A floor/ceiling mount indoor unit
• DRA1H18S2A Sirius Heat™ outdoor condenser
• Wireless remote control with Follow Me sensor
• Built-in base pan heater

Ideal For
Homeowners, contractors, and designers needing powerful, adaptable heating and cooling for large spaces. With quiet operation, cold-climate reliability, and efficient performance, this system is built for year-round comfort.