LUNAIR R454B 20 SEER2 condensing unit and air handler
R454B 20 SEER2 Condensing Unit — features and AHRI certificationR454B 20 SEER2 Air HandlerR454B 20 SEER2 Wall Mount Air Handler
The LUNAIR System

Complete 20 SEER2 systems, built for Texas heat

Condenser, air handler and controls — AHRI‑matched on R‑454B and backed by a 10‑year warranty.

LUNAIR R454B 20 SEER2 condensing unit

R‑454B|20 SEER2

Condensing Unit

  • LG™ scroll compressor · DC single‑speed fan motor
  • Louvered steel grilles protect the condenser
  • Golden‑Fin anti‑corrosion + moisture‑proof PCB
  • Wide operating range · 24V low‑voltage control
  • Works with third‑party indoor units
AHRI Certified R‑454B Low‑GWP
LUNAIR R454B 20 SEER2 air handler

R‑454B|20 SEER2

Air Handler

  • Insulated galvanized‑steel cabinet
  • “A”‑shape inner‑groove copper coil, hydrophilic foil
  • ECM motor & blower — multiple fan modes
  • Built‑in refrigerant leak sensor & buzzer
  • Piston expansion device
LUNAIR R454B 20 SEER2 wall-mount air handler

R‑454B|20 SEER2

Wall‑Mount Air Handler

  • Easy air return — front, convertible to bottom
  • Flexible wall or stud mount
  • Pre‑installed E‑heater (5 / 7.5 / 10 kW)
  • ECM constant‑torque motor · copper‑tube coil
  • Standard‑thermostat compatible
Efficiency Tiers

Two ways to meet code — or beat it

The same ILSCF302G air handler and matched OLSC coastal condensers, offered in two efficiency tiers on R-454B. Pick the standard 14.3 SEER2 line, or step up to the new 20 SEER2 line for the lowest operating cost.

Standard

14.3 SEER2 Series

14.3
SEER2
11.7
EER2
7.5
HSPF2
  • Meets DOE Southeast & Southwest minimum (14.3 SEER2)
  • R-454B low-GWP refrigerant · ECM constant-torque motor
  • Coastal-coated condenser coils · 10-year warranty

Best for code-minimum & budget installs

New · Most efficient

20 SEER2 Series

20.0
SEER2
13.0
EER2
8.5
HSPF2
  • ~28% more efficient than the 14.3 line — lower summer bills
  • R-454B low-GWP refrigerant · ECM constant-torque motor
  • Coastal-coated condenser coils · 10-year warranty

Best for max efficiency & the lowest operating cost

Both tiers: 2.5-ton ILSCF302G air handler + matched OLSC362G / 482G / 602G condensers (3–5 ton), AHRI-certified.

Dealer Program

Become a LUNAIR Dealer

Open a dealer account for wholesale pricing on the full R454B lineup — 14.3 & 20 SEER2 — plus tax-exempt purchasing and freight nationwide from Texas. Contractors, installers & resellers welcome.

  • Dealer pricing on 14.3 & 20 SEER2 air handlers, condensers & complete systems
  • Tax-exempt purchasing with a resale certificate
  • National freight — free shipping from Texas branches
  • Counter pickup at Harlingen, Corpus Christi, San Antonio, Houston, Austin & Dallas
  • Sizing & spec support plus AHRI-matched system confirmation
  • 10-year warranty program with factory support

Apply for a dealer account

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Product Registration

Activate your 10-year warranty

Register your LUNAIR unit within 60 days of installation to lock in full factory coverage. Keep the model & serial number from the unit's rating plate.

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