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In-Stock Waipahu • $0 Estimates

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Order brand-new LG & GE Window ACs online ($395–$1,200) for free Waipahu pickup or $50 Oahu delivery. Zero upfront cost to book window AC installation or deep cleaning estimates.

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In-Stock Window ACs (Waipahu)

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$395–$1,200
Bedroom 115V (6k–8k BTU)
From $395
Master & Condo (10k–12k BTU)
115V Plug
Large Room (14k–23.5k BTU)
$785–$1,025
26" Thru-the-Wall Units (GE)
$1,000–$1,200
LG Cool + Heat (7.6k–23k)
Cool+Heat
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Waipahu Warehouse

94-150 Leoleo St. #203, Waipahu, HI 96797

Pickups by appointment • Insured Oahu Specialists

Zero Cost for Estimates • By Appt
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(808) 488-1111
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Dual-Climate Cooling + Supplemental Heating • Slide-Out Universal Chassis

LG Cool & Heat Window ACs Hawaii Upcountry & Universal Thru-Wall Guide

While coastal Oahu stays warm year-round, elevation communities like Wahiawa, Mililani Mauka, Nuuanu, Tantalus, Upper Manoa, Makakilo, and Palehua regularly dip into the mid-50s°F during winter trade-wind rainstorms. Our Waipahu warehouse stocks LG's Commercial-Grade Slide In-Out Cool + Supplemental Heat series (LW8023HRSM, LW1823HRSM, and LW2423HRSM) — combining powerful summer dehumidification, gentle winter electric warmth, and universal window or 26-inch wall-sleeve mounting.

View All LG Cool+Heat InventoryCall Waipahu Desk: (808) 488-1111
DUAL-CLIMATE & UNIVERSAL CHASSIS SPECS

LG Cool + Supplemental Heat Lineup (Waipahu Warehouse)

Every LG HRSM model features a removable Slide In-Out commercial chassis engineered for both standard window sills and through-the-wall sleeves:

Technical comparison of LG LW8023HRSM, LW1823HRSM, and LW2423HRSM Cool and Heat Window Air Conditioners stocked in Waipahu, Oahu.
Model / SKUPriceCooling / Heating BTUVoltage & PlugDehumid / AirflowCabinet Dimensions
LG LW8023HRSM (7.6k/3.85k)$6507,600 Cool / 3,850 Heat115V / 15A (NEMA 5-15P)2.1 Pts/Hr • 220 CFM13.9"H x 18.4"W x 20.9"D
LG LW1823HRSM (18k/12k)$92518,000 Cool / 12,000 Heat208/230V / 20A (NEMA 6-20P)5.4 Pts/Hr • 430 CFM16.8"H x 25.5"W x 30.5"D
LG LW2423HRSM (23k/12k)$1,02523,000 Cool / 12,000 Heat208/230V / 20A (NEMA 6-20P)7.5 Pts/Hr • 510 CFM16.8"H x 25.5"W x 30.5"D

Important electrical note: 18k and 23k Cool+Heat models require a dedicated 208/230V 20-Amp T-slot receptacle (NEMA 6-20R) to power the 12,000 BTU integrated electric heating element.

WHY OAHU HOMEOWNERS & OFFICES PICK LG HRSM UNITS

4 Advantages Beyond Winter Warmth

Even in warmer Oahu neighborhoods, property managers, medical offices, and condo owners specifically request the LG HRSM series for its structural and dehumidification advantages:

01

Chilly Elevation Mornings & Kupuna Comfort

In Wahiawa, Mililani Mauka, Nuuanu Valley, and Makakilo, damp December-to-March mornings can chill uninsulated single-wall bedrooms to 57°F–61°F — especially uncomfortable for kupuna (seniors), infants, and medical exam rooms.

Instead of plugging in tip-over portable space heaters on shared power strips, LG ThinQ lets you schedule gentle thermostatic warmth at 70°F before sunrise and switch automatically back to cooling at noon.

  • LW8023HRSM runs 3,850 BTU heat on a standard 115V bedroom plug
  • LW1823HRSM & LW2423HRSM deliver 12,000 BTU full-room electric heat
02

Dual Window + Thru-the-Wall Slide-Out Architecture

Unlike fixed top-mount bedroom units, all three LG Cool+Heat models use a true Slide In-Out outer cabinet. Technicians mount the empty steel shell into your window or wall opening first, then slide the mechanical core in smoothly.

That slide-out design also makes 6-to-12-month antimicrobial coil cleaning dramatically faster — our technicians lay floor drop cloths, slide the chassis out without disturbing your window weather seal, and deep-wash both coils.

  • LW8023HRSM narrow 18.4" cabinet fits tight specialty openings
  • 25.5" wide 18k/23k cabinets fit heavy commercial wall cutouts
03

Massive 5.4 to 7.5 Pts/Hr Wet-Trade Dehumidification

Windward Kaneohe, Kahaluu, and Manoa valleys experience prolonged 80%+ humidity weeks when moisture condenses on wood furniture, closets, and electronics.

The LW1823HRSM extracts 5.4 pints/hour and the LW2423HRSM pulls an extraordinary 7.5 pints/hour of latent moisture — acting as a commercial-strength whole-zone dehumidifier and cooler in one chassis.

  • Gold Fin anti-corrosion coating protects condenser fins from salt air
  • LG ThinQ smartphone app + voice control built into all 3 models
04

208/230V NEMA 6-20P Plug Check Before Ordering

While the 7,600 BTU LW8023HRSM plugs into any standard 115V NEMA 5-15R bedroom outlet, the 18,000 BTU LW1823HRSM and 23,000 BTU LW2423HRSM use a 20-Amp 208/230V NEMA 6-20P plug (one horizontal blade and one T-slot/vertical blade) to feed the 3,500W electric heater strip.

If your wall only has a 15-Amp 230V NEMA 6-15R outlet (two horizontal blades) and you don't need heat, choose our cooling-only LG Dual Inverter LW1822IVSM ($925) or LW2422IVSM ($1,025). Any dedicated 208/230V circuit upgrade is performed strictly by a licensed electrical subcontractor.

  • Check your wall receptacle faceplate before ordering 18k/23k HRSM
  • Text an outlet photo to dispatch via (808) 488-1111 for instant verification
COOL + HEAT SELECTION GUIDE

Which LG Cool + Heat Model Fits Your Space?

Match your room square footage, elevation microclimate, and wall receptacle before reserving Waipahu pickup or $50 Oahu delivery:

  • Bedrooms & Offices up to 260 Oahu sq. ft. (115V normal plug): Choose LG LW8023HRSM ($650 — 40 units warehoused in Waipahu).
  • Living Rooms & Clinics up to 600 Oahu sq. ft. (208/230V 20A NEMA 6-20R): Choose LG LW1823HRSM ($925).
  • Large Open Floors up to 780 Oahu sq. ft. (208/230V 20A NEMA 6-20R): Check stock on LG LW2423HRSM ($1,025) or cooling-only LW2422IVSM ($1,025).
  • Installing into a dedicated 26-inch concrete condo sleeve where cooling-only inverter efficiency is priority? Compare GE AJCQ12AXXWA ($1,200).
Related Oahu Cooling Guides

Waipahu Warehouse Direct • Insured Oahu Cooling Specialists • Est. 2005. Explore connected sizing, installation, and fulfillment guides:

208V/230V NEMA 6-15 vs 6-20 Outlet GuideGE 26" Built-In Wall Sleeve AC GuideLarge Room 18k & 23.5k Dual Inverter GuideRequest $0 Free Installation Estimate

LG Cool & Supplemental Heat Window AC FAQs

LG HRSM models combine a rotary air-conditioning compressor for summer cooling with an integrated electric resistance heating coil for chilly winter nights and damp mornings. Note that electric heat strips provide supplemental room warmth rather than primary sub-freezing furnace heating—making them ideal for Hawaii's mild 55°F–64°F elevation winters.
Live Waipahu Warehouse: 12 AC Models (208 Units) In Stock • $45 HECO Rebate

Order In-Stock LG Cool+Heat & Universal Units Online ($650–$1,200)

Warehoused locally at 94-150 Leoleo St #203, Waipahu. Free pickup by appointment or $50 Oahu delivery.

View All 12 In-Stock Models ($395–$1,200)
40 In Stock115V
LG 7,600 BTU (LW8023HRSM)
7,600 BTU • Up to 260 sq. ft.

LG 7,600 BTU (LW8023HRSM)

$650Waipahu Direct
Specs
10 In Stock208
LG 18,000 BTU (LW1823HRSM)
18,000 BTU • Up to 600 sq. ft.

LG 18,000 BTU (LW1823HRSM)

$925Waipahu Direct
Specs
5 In Stock208
LG Dual Inverter 18,000 BTU (LW1822IVSM)
18,000 BTU • Up to 600 sq. ft.

LG Dual Inverter 18,000 BTU (LW1822IVSM)

$925Waipahu Direct
-$45 Rebate
Specs
4 In Stock115V
GE 12,000 BTU (AJCQ12AXXWA)
12,000 BTU • Up to 390 sq. ft.

GE 12,000 BTU (AJCQ12AXXWA)

$1,200Waipahu Direct
-$45 Rebate
Specs
Direct In-Stock Waipahu Model Links (Order Online or Pickup at 94-150 Leoleo St #203):
LG 6k BTU (LW6023IVSM) • $560LG 10k BTU (LW1022IVSM) • $650LG 12k BTU (LW1222IVSM) • $745LG 14k BTU (LW1522FVSM) • $785LG 18k BTU (LW1822IVSM) • $925LG 23.5k BTU (LW2422IVSM) • $1,025LG 7.6k BTU (LW8023HRSM) • $650LG 18k BTU (LW1823HRSM) • $925LG 8k BTU (LW8024RD) • $395LG 12k BTU (LW1217ERSM1) • $625GE 8.2k BTU (AJCQ08AWJ) • $1,000GE 12k BTU (AJCQ12AXXWA) • $1,200GE RAB26A 26" Wall Sleeve • $275

Oahu In-Stock LG & GE Window AC Price, BTU & Specification Comparison Table

4.9★ (142 Oahu Reviews) • Free Waipahu Pickup or $50 Delivery
Complete comparison of in-stock LG Dual Inverter, LG Cool+Heat, LG Standard, and GE 26-Inch Built-In Window Air Conditioners ($395 to $1,200) at Affordable Home A/C in Waipahu, Oahu.
Model & MPNCooling BTUOahu Room Size (AHAM)Voltage / CircuitNoise / EfficiencyWaipahu Price & RebateStock & Action
LG Dual Inverter 6,000 BTU (LW6023IVSM)6,000 BTUUp to 220 sq. ft. (Up to 260 sq. ft.)115V / 15 Amp44 / 54 dB • 15.5 CEER$560(-$45 Rebate)11 In Stock →
LG Dual Inverter 10,000 BTU (LW1022IVSM)10,000 BTUUp to 330 sq. ft. (Up to 450 sq. ft.)115V / 15 Amp44 / 58 dB • 15.0 CEER$650(-$45 Rebate)10 In Stock →
LG Dual Inverter 12,000 BTU (LW1222IVSM)12,000 BTUUp to 380 sq. ft. (Up to 550 sq. ft.)115V / 15 Amp44 / 58 dB • 15.0 CEER$745(-$45 Rebate)20 In Stock →
LG Dual Inverter 14,000 BTU (LW1522FVSM)14,000 BTUUp to 450 sq. ft. (Up to 700 sq. ft.)115V / 15 Amp44 / 58 dB • 14.7 CEER$785(-$45 Rebate)48 In Stock →
LG Dual Inverter 18,000 BTU (LW1822IVSM)18,000 BTUUp to 600 sq. ft. (Up to 1,000 sq. ft.)208/230V / 15 Amp44 / 59 dB • 14.7 CEER$925(-$45 Rebate)5 In Stock →
LG Dual Inverter 23,500 BTU (LW2422IVSM)23,500 BTUUp to 800 sq. ft. (Up to 1,440 sq. ft.)208/230V / 15 Amp53 / 62 dB • 14.5 CEER$1,025(-$45 Rebate)15 In Stock →
LG 7,600 BTU (LW8023HRSM)7,600 BTUUp to 260 sq. ft. (Up to 320 sq. ft.)115V / 15 Amp50 / 52 dB • 11.3 CEER$65040 In Stock →
LG 18,000 BTU (LW1823HRSM)18,000 BTUUp to 600 sq. ft. (Up to 1,000 sq. ft.)208/230V / 20 Amp57 / 61 dB • 11.1 CEER$92510 In Stock →
LG 8,000 BTU (LW8024RD)8,000 BTUUp to 280 sq. ft. (Up to 350 sq. ft.)115V / 15 Amp52 / 58 dB • 12.0 CEER$39520 In Stock →
LG 12,000 BTU (LW1217ERSM1)12,000 BTUUp to 380 sq. ft. (Up to 550 sq. ft.)115V / 15 Amp52 / 59 dB • 12.0 CEER$62520 In Stock →
GE 8,200 BTU (AJCQ08AWJ)8,200 BTUUp to 290 sq. ft. (Up to 350 sq. ft.)115V / 15 Amp54 / 59 dB • 10.6 CEER$1,0005 In Stock →
GE 12,000 BTU (AJCQ12AXXWA)12,000 BTUUp to 390 sq. ft. (Up to 550 sq. ft.)115V / 15 Amp48 / 56 dB • 10.5 CEER$1,200(-$45 Rebate)4 In Stock →
Window & Jalousie AC Installation
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$0 Honest Evaluation • Cut HECO Bills 40% + $45 Rebate
Free Waipahu Pickup (94-150 Leoleo St #203, by appt)$50 Flat Oahu Delivery • US-Issued Cards Only

Central Oahu, Mililani & Upcountry Customer Reviews

Verified installations across Mililani, Kunia, Nuuanu, Manoa, and Waipahu

4.9 / 5.0 Rating (142+ Reviews)
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Bryan M.

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Waipahu Warehouse PickupTech: Brian

“I found this company on Google. They are located in the Waipahu industrial area across from the old City Mill. The LG AC unit my mother needed was in stock - so...”

Waipahu Warehouse CustomerEst. 2005 • Oahu
TB

Tommylynn B.

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Honolulu•Yelp Verified
Window AC InstallationTech: Brian

“I replaced two window ac units, called on Wednesday and Brian came out the next day. Professional, timely and installation was flawless! Mahalo Brian!”

Oahu Verified CustomerEst. 2005 • Oahu
RT

Ron T.

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Ewa Beach•Yelp Verified
Window AC InstallationTech: Chris

“Very efficient and worked on a holiday (Veterans Day) to replace my large window AC. My AC also has WiFi so I can control it outside my home. Chris was very pro...”

Oahu Verified CustomerEst. 2005 • Oahu
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