Durastar DRADH18F2A & DRA1U18S2A 18,000 BTU 20.0 SEER2 High Static Ducted Heat Pump System - R454B

Durastar DRADH18F2A & DRA1U18S2A – 18,000 BTU R‑454B High Static Ducted Mini‑Split Heat Pump System
The Durastar DRADH18F2A and DRA1U18S2A mini-split system delivers 18,000 BTU of powerful, energy-efficient comfort through a high static ducted indoor unit ideal for extended duct runs and multi-zone applications. With inverter-driven performance, R‑454B refrigerant, and cold-climate capability down to –13 °F, this ENERGY STAR® system provides year-round, quiet operation and flexible installation.

General Information
System Type: High static ducted mini-split heat pump system (indoor & outdoor)
Indoor Model: DRADH18F2A
Outdoor Model: DRA1U18S2A
Capacity: 18,000 BTU Heating & Cooling
Room Size: Ideal for large or multi-room zones requiring strong airflow
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant: R‑454B, low‑GWP, pre‑charged (liquid 1/4″, suction 1/2″)

Key Features
• High Static Pressure: Up to 0.8 in. WC for long duct layouts
• Cold Climate Ready: Heating and cooling down to –13 °F
• Inverter Technology: Energy-efficient variable-speed compressor
• Quiet Operation: Indoor as low as 29 dB(A); outdoor 58 dB(A)
• Internal Drain Pump: Built-in for horizontal installations
• Smart Modes: Turbo, ECO, Sleep, programmable via DRSTAT101 thermostat
• Base Pan Heater: Factory-installed for winter protection
• Golden Fin Coil: Anti-corrosive coating for durability
• Moisture Removal: Up to 86.2 pints/day
• Safety Ready: A2L refrigerant leak detection system
• Flexible Installation: Horizontal or vertical mounting supported

Specifications (Rated Conditions)
Cooling Capacity (Rated/Range): 17,500 BTU | 4,500 – 20,200 BTU
Heating Capacity (Rated/Range): 20,000 BTU | 5,200 – 23,000 BTU
SEER2 / EER2: 20.0 / 13.3
HSPF2: 11.3
COP (47°F / 17°F / 5°F): 3.90 / 2.90 / 2.40
Airflow (Indoor - CFM): 441 (Low) to 706 (Turbo)
Operating Temp Range (Cooling/Heating): –13 °F – 122 °F / –13 °F – 75 °F
Electrical: 208/230 V • 1‑Phase • 60 Hz
Indoor Unit Dimensions/Weight: 39-3/8″ × 29-1/2″ × 9-5/8″ • 79.8 lb
Outdoor Unit Dimensions/Weight: 35-1/16″ × 13-7/16″ × 26-1/2″ • 92.6 lb

Included Components
• DRADH18F2A high static ducted indoor unit
• DRA1U18S2A outdoor condenser
• Programmable wired thermostat (DRSTAT101)
• Internal drain pump
• Built-in base pan heater

Ideal For
Contractors and homeowners seeking high-capacity, multi-zone ducted heating and cooling with quiet, cold-climate performance. The DRADH18F2A & DRA1U18S2A system offers reliable comfort, smart control, and installation versatility.