Residential Solar
Full-scope cooling solutions built for performance, reliability, and scale. From rooftop units and split systems to full ducted builds and retrofits, OEA delivers complete commercial HVAC solutions for offices, retail centers, multi-unit properties, and industrial spaces.
We handle everything from system design and load calculations to installation, ductwork, zoning, and maintenance — all tailored to your building’s size, usage, and cooling demands. Whether it’s a new build, a major upgrade, or a critical repair, our licensed team gets it done right, on time, and up to code.
Why Go Solar in Hawaii
Going solar in Hawaii presents a compelling case due to abundant sunlight, high electricity costs, favorable policies, environmental concerns, energy resilience, financial incentives, and a supportive community.
Trusted Brands — Tailored to Your Budget
We work with all major A/C brands — so whether you have an existing system or you’re starting from scratch, we’ve got you covered.
For new installations, we quote high-performing, widely available units based on your needs, space, and budget. From premium to value-conscious options, we’ll recommend what makes the most sense — not just what’s on the shelf.
