With a 4.7-star rating and EPA and NATE certifications, Doonwood Engineering demonstrates genuine expertise in Hawaii's demanding tropical climate. Their willingness to offer free estimates and emergency service shows confidence in their work and commitment to Kailua customers.
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Doonwood Engineering is Kailua's trusted HVAC specialist, delivering comprehensive heating and cooling solutions for residential and commercial properties. With a 4.7-star rating, the company has built a reputation for excellence in AC repair, heating repair, system installation, and preventive maintenance services. Hawaii's tropical climate demands reliable air conditioning, and Doonwood Engineering understands the unique cooling challenges faced by Kailua residents. Their certified technicians provide prompt, professional service to keep systems running efficiently year-round. Whether you need emergency AC repairs, heating system maintenance, or a complete HVAC installation, Doonwood Engineering combines technical expertise with exceptional customer care. The team prioritizes preventive maintenance to help extend equipment lifespan and reduce energy costs. Contact Doonwood Engineering today for expert HVAC solutions that keep your home comfortable and your system performing at peak efficiency.
Data updated Apr 11, 2026
| # | Business | Rating | Reviews | Response |
|---|---|---|---|---|
| #1 | Large, beautiful, updated home w /pool, AC,mins from beach in Kailua! Flex stays! | 5.0 | 0 | Tracking |
| #2 | Cool Air Systems Hawaii LLC | 5.0 | 142 | Tracking |
| #3 | Oahu AC | 5.0 | 1 | Tracking |
| #4 | Island Cooling | 4.9 | 312 | Tracking |
| #5 | Doonwood Engineering | 4.7 | 3 | Tracking |