AHAC Logo
Island Navigation
In-Stock Waipahu • $0 Estimates

Order Online or Book $0 In-Home Estimate

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.

Waipahu Warehouse

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

Pickups by appointment • Insured Oahu Specialists

Zero Cost for Estimates • By Appt
Fan Running But No Cooling • $0 Clean-vs-Replace Assessment

AC Compressor Not Turning On? Oahu Diagnostic & Repair

If your indoor vents are blowing warm, room-temperature air while the compressor sits silent or hums loudly, your compressor has failed to start. Our technicians diagnose electrical capacitors, relays, and inverter boards for a transparent $0 Free Estimate flat rate.

FIELD DIAGNOSTIC CHECKS

Why AC Compressors Fail to Start

01

Blown or Bulged Run Capacitor

Hawaii's ambient heat degrades oil-filled capacitors. If capacitance drops below ±10% of rated microfarads, the motor hums but cannot start.

02

Burnt or Pitted Power Relay Contacts

Geckos and ants crawling into control board relays or natural electrical arcing causes pitted contact points that block high-voltage power.

03

DC Inverter IPM Board Fault

On inverter window ACs, the main inverter circuit board converts AC to DC power. Voltage spikes or marine salt corrosion can short the power transistors.

04

Thermal Overload Tripped

Clogged condenser coils prevent heat rejection, causing compressor temperatures to exceed 220°F and tripping the internal thermal snap-switch.

ACCURATE ELECTRICAL TESTING

Honest Testing Before Condemning Equipment

Many homeowners are told they need an expensive replacement when only a simple $35 capacitor or burnt terminal wire has failed. We test every electrical component with precision digital multi-meters before recommending replacement.

If the compressor motor itself has seized, we provide direct warehouse replacement options with zero pressure.

Diagnostic TroubleshootingBy Appointment ($0 Estimate)
Replacement Window AC Estimate$0 Free In-Home
Waipahu Warehouse StockLG & GE ($395–$1,200)

Compressor Troubleshooting FAQs

The interior blower fan and the sealed rotary compressor operate on separate electrical control relays. Common reasons the compressor fails to start include a blown dual-run capacitor, pitted power relay contacts, an inverter power module (IPM) error, or a thermal overload cutoff.
Live Waipahu Warehouse Stock • $45 HECO Rebate Eligible

Old AC Beyond Repair? Order an In-Stock Replacement Today ($395–$1,200)

Skip expensive compressor or sealed-system repairs on older window units. Order a brand-new factory-sealed LG or GE Window AC online for free Waipahu pickup or $50 flat Oahu delivery.

View All 12 In-Stock Models ($395–$1,200)
20 In Stock115V
LG 8,000 BTU (LW8024RD)
8,000 BTU • Up to 280 sq. ft.

LG 8,000 BTU (LW8024RD)

$395Waipahu Direct
Specs
11 In Stock115V
LG Dual Inverter 6,000 BTU (LW6023IVSM)
6,000 BTU • Up to 220 sq. ft.

LG Dual Inverter 6,000 BTU (LW6023IVSM)

$560Waipahu Direct
-$45 Rebate
Specs
10 In Stock115V
LG Dual Inverter 10,000 BTU (LW1022IVSM)
10,000 BTU • Up to 330 sq. ft.

LG Dual Inverter 10,000 BTU (LW1022IVSM)

$650Waipahu Direct
-$45 Rebate
Specs
20 In Stock115V
LG Dual Inverter 12,000 BTU (LW1222IVSM)
12,000 BTU • Up to 380 sq. ft.

LG Dual Inverter 12,000 BTU (LW1222IVSM)

$745Waipahu Direct
-$45 Rebate
Specs
Free Waipahu Pickup (94-150 Leoleo St #203, by appt)$50 Flat Oahu Delivery • US-Issued Cards Only
⭐ 4.9/5 Rating (142+ Verified Reviews)

Repair Customer Reviews

Fast, honest cooling restored across Oahu

Explore All 142+ Reviews
BM

Bryan M.

Verified
Waipahu•Google Verified
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.

Verified
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.

Verified
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
AL

Adrienne L.

Verified
Kailua•Yelp Verified
Window AC Cleaning & ServiceTech: Chris

“We had gotten our window unit initially installed by Affordable Home AC a year ago. We noticed our unit started leaking onto the Lanai, and called them up to ta...”

Oahu Verified CustomerEst. 2005 • Oahu
SL

Samuel L.

Verified
Pearl City•Yelp Verified
Window AC Cleaning & ServiceTech: Brian

“My A/C was running sluggish and figured it needed to be cleaned (been 2 years since installed). Contacted Affordable Home AC and was referred to Chris at Window...”

Oahu Verified CustomerEst. 2005 • Oahu
MS

Mermaid S.

Verified
Mililani•Yelp Verified
Window AC InstallationTech: Brian

“The AC unit stopped working in my apartment so my landlord helped make arrangements to connect with Brian and Chris. They were very professional and had a new A...”

Oahu Verified CustomerEst. 2005 • Oahu
BH

B H.

Verified
Aiea•Yelp Verified
Window AC InstallationTech: Brian

“Excellent business to work with. Quick response to providing an estimate and recommendations. Amazingly, they arrived a little earlier than scheduled and comple...”

Oahu Verified CustomerEst. 2005 • Oahu
TB

Tim B.

Verified
Waipahu•Yelp Verified
LG Dual InverterTech: Brian

“I am giving Affordable Home Air Conditioning in Waipahu my highest recommendation to other Yelp users in the Honolulu area. Brian Borges and his team were quick...”

Oahu Verified CustomerEst. 2005 • Oahu