National Solar Rankings

Island Cooling

0BBB Complaints (3yr)Excellent
—Years in Business
83.25Qualifier Score
309Google Reviews

Detailed Profile

Island Cooling has become one of the most respected energy services companies on Oahu, and their solar division is a major reason they earned the top spot in our Hawaii rankings. Based in Kailua on the windward side, the company built its reputation in air conditioning and HVAC before recognizing that solar and cooling are two sides of the same coin in a tropical climate where electricity regularly exceeds 40 cents per kilowatt-hour.

What makes Island Cooling the number one solar company in Hawaii is their practical, island-tested approach to system design. Hawaii is not like the mainland. Salt air corrodes equipment faster, trade winds demand reinforced mounting, and the state's unique grid conditions require careful interconnection compliance. Island Cooling's team has installed systems across Oahu's diverse microclimates and understands how each location affects panel selection, inverter sizing, and maintenance needs.

Their 4.9-star Google rating across 309 reviews reflects a company that consistently delivers. In a state where solar is an economic necessity, homeowners have high expectations, and Island Cooling meets them.

Island Cooling holds NABCEP certification and works with equipment rated for Hawaii's demanding conditions. Their combined solar and HVAC expertise positions them to help homeowners optimize their total energy profile, often pairing an array with high-efficiency cooling for maximum benefit.

With a composite score of 70.3, Island Cooling is our top-ranked solar company in Hawaii for 2026.

Equipment & Products

Solar Panels

REC

Inverters

EnphaseTesla

Battery Storage

Enphase IQ

Certifications

NABCEP Certified

Manufacturer Certifications

Tesla Certified

Warranty & Guarantees

Production Guarantee
No

Operations

Company Type
Local / Regional

Financing Options

cashloan

Google Reviews (8)

DJ

“Ivan at Island Cooling is fantastic! Years after having our Whole House Fans installed, Ivan offered us great service with updates to my switches and controls. He talked me through several options...”

Stephanie K.

“Our home fans were installed in March 2020 so the 1 year warranty expired for the control switches. In October the front bedroom fan started to shut down after only running for 2 minutes 😱 So I...”

Waniya F.

“We installed 3 whole house fans in 2019. For the first time, we had an issue with one of the remotes and it needed to be replaced. Left a message for Al and quickly got a return call. He provided me...”

Dennis N.

“Ivan, of Island Cooling, is very knowledgeable and was very responsive and promptly addressed corrective issues after installation of my attic fans. Corrective issues were minor. His electrician and...”

Randy C.

“Installing our whole house fans about 5 years ago has definitely been one of the best investments we have made. We use the fans just about every day and other than one recent switch fail which was...”

Clarissa C.

“Update: I've had my Whole Home Cooling for about 5 years now and two of the three fans stopped working. Ivan came right away and troubleshot the problem quickly. Turns out the issues were with the...”

Clifford L.

“Had a recent problem with one of my three whole house fans. They responded quickly and were able to fix a switch likely damaged by a HECO surge. The fan works perfectly. Their service was...”

Rebecca C.

“Visited family for Thanksgiving and slept in the guest room-they used island cooling- I stayed cool all night with no AC. Amazing sleep. I would recommend!”