Mitsubishi SVZ-AP18NL 18,000 BTU Multi-Position Air Handler Indoor Unit - R454B

Mitsubishi SVZ‑AP18NL: 18,000 BTU Multi‑Position Ducted Mini‑Split Indoor Unit

The SVZ‑AP18NL indoor air handler delivers efficient 18,000 BTU cooling and 21,600 BTU heating (nominal). Designed for concealed, ducted installations, it provides flexible airflow configurations, high static pressure performance, and seamless pairing with inverter‑driven outdoor units using eco‑friendly R‑454B refrigerant.

General Information
System Type: Multi‑position ducted indoor air handler (requires compatible outdoor unit)
Model: SVZ‑AP18NL
Capacities: 18,000 BTU Cooling | 21,600 BTU Heating (nominal)
Room Size: Ideal for ~750 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes 
Refrigerant / Factory Charge: R‑454B (field charged via outdoor unit)

Key Features

• Flexible Installation: Horizontal, vertical, or downflow ducted layouts fit tight spaces

• High Static Pressure Capability: Up to 0.8 in. WC supports long or complex duct runs

• Inverter Technology Compatible: Pairs with Mitsubishi inverter outdoor units for responsive, energy‑smart comfort

• Advanced Cabinet Design: Corrosion‑resistant ZAM steel, positive‑pressure cabinet, and fiberglass‑free insulation minimize leakage and condensation

• Wi‑Fi & Smart Controls Ready: Integrates with kumo cloud®, MHK2 wireless, and wired controllers for remote operation

• Optional Upgrades: Electric heat kits, humidifier/ERV control, and enhanced filtration expand versatility

Specifications (Rated Conditions)
Cooling Capacity: 18,000 BTU/h
Heating Capacity: 21,600 BTU/h nominal
Airflow (Cooling): 471–675 CFM; (Heating): 471–675 CFM
Sound Pressure: 36–45 dB(A)
Power: 208/230 V, 1‑Phase, 60 Hz; MCA: 3 A; MOCP: 15 A
Dimensions (W×D×H): 17″ × 21‑5/8″ × 39‑13/16″; Weight: 97 lb
Piping: Liquid ¼″ | Gas ½″ | Drain ¾″ O.D.

Included Components
Indoor Unit: SVZ‑AP18NL ducted air handler
Standard Installation Accessories (mounting hardware, brackets)

Ideal For
Homeowners or contractors seeking a quiet, centrally ducted indoor unit for a 1.5‑ton mini‑split system. With robust airflow, flexible installation, ENERGY STAR efficiency, and smart‑control capability, the SVZ‑AP18NL ensures reliable year‑round comfort with minimal footprint.