Durastar DRAL18F2A & DRA1U18S2A 18,000 BTU 22.2 SEER2 One-Way Ceiling Cassette Heat Pump System (w/ Grille) - R454B

Durastar DRAL18F2A & DRA1U18S2A – 18,000 BTU R‑454B One-Way Cassette Mini‑Split Heat Pump System
The Durastar DRAL18F2A and DRA1U18S2A mini-split system offers powerful, efficient climate control in a discreet ceiling-mounted one-way cassette design. With low-ambient heating and cooling capabilities down to -13°F and advanced inverter technology, this system is ideal for larger rooms requiring quiet, zoned comfort. Built for reliability and performance, it delivers year-round energy savings and dependable operation.

General Information
System Type: One-way cassette mini-split system (indoor & outdoor)
Indoor Model: DRAL18F2A
Outdoor Model: DRA1U18S2A
Capacity: 18,000 BTU Heating & Cooling
Room Size: Ideal for medium to large rooms
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant: R‑454B, pre-charged; supports up to 99 ft line set

Key Features

Cold-Climate Ready: Delivers heat in low ambient temperatures down to -13°F

Variable Speed Inverter: Inverter-driven compressor for efficient, responsive performance

Quiet Operation: Indoor sound levels as low as 24 dB(A)

Follow Me Remote: Wireless remote with onboard sensor for temperature accuracy

Smart Modes: Turbo, ECO, Active Clean, Sleep, Auto Restart, and 46°F freeze protection

Humidity Control: Enhanced indoor comfort with integrated moisture control

Integrated Base Pan Heater: Prevents ice buildup and ensures winter reliability

Durability: Golden Fin anti-corrosive coil coating extends equipment life

Thermostat Compatibility: Works with DRSTAT101 wired thermostat

A2L Safety: Built-in refrigerant leak detection for added protection

Specifications (Rated Conditions)
Cooling Capacity (Rated/Min–Max): 18,000 BTU / 4,000 – 18,800 BTU
Heating Capacity (Rated/Min–Max): 18,000 BTU / 7,600 – 22,800 BTU
SEER2 / EER2: 22.2 / 12.5
HSPF2: 12.2
COP at 47°F / 17°F / 5°F: 3.30 / 2.78 / 2.24
Sound Pressure (Indoor): 24–44 dB(A)
Sound Pressure (Outdoor): 58 dB(A)
Airflow (Indoor): 207–400 CFM
Operating Temp Range (Cooling/Heating): -13°F – 122°F / -13°F – 75°F
Electrical: 208/230 V • 1‑Phase • 60 Hz
Piping Size: Liquid 1/4″ • Gas 1/2″ • Max Length: 99 ft • Max Height Diff: 66 ft
Indoor Unit Dimensions/Weight: 50-5/16" x 13-3/16" x 9" • 45.2 lb
Outdoor Unit Dimensions/Weight: 35-1/16" x 13-7/16" x 26-1/2" • 92.6 lb

Included Components
DRAL18F2A one-way cassette indoor unit
DRA1U18S2A outdoor condenser
Wireless remote control
Decorative grille

Ideal For
Contractors, designers, and homeowners needing a discreet, efficient solution for medium-to-large rooms. Ideal for sunrooms, open-plan areas, and any application requiring reliable performance in low temperatures.