Solar-powered air conditioning and renewable energy solutions built for Singapore's climate. No solar storage required for most systems.
Depending on product and installation type
Same performance, fraction of the cost
Uses DC solar power directly — no conversion loss
From single-room residential upgrades to large commercial retrofits — we have a solar energy solution that fits.
Works on any roof, any weather. Thermal panels harvest ambient heat to pre-cool refrigerant — no direct sunlight needed.
Learn more →Uses solar DC power first, auto-switches to grid when needed. No battery storage required — lowest cost solar AC.
Learn more →Fully independent from the grid. Powered by solar panels and battery storage — ideal for sites without grid access.
Learn more →Retrofit your existing VRV/VRF multi-split commercial air conditioners. Minimal disruption, meaningful savings.
Learn more →Store solar energy and power your home or site office entirely on renewable energy — even overnight.
Learn more →Professional rooftop solar panel supply and installation for homes and commercial properties across Singapore.
Learn more →Solar-powered ventilation and lighting. Attic roof fans, ceiling fans, exhaust fans, skylights and more.
Learn more →See exactly what you're spending on electricity in real time. Track usage by day, week, or month via app or web portal.
Learn more →WSE's products aren't rebranded off-the-shelf solar panels. Our hybrid thermal AC is genuinely uncommon — and our solar AC-DC systems are engineered specifically for tropical climates like Singapore's.
High ambient temperature, high humidity — our systems are spec'd for Singapore conditions.
Most systems work with your existing air-conditioner or can replace just the outdoor unit.
Our Hybrid Solar AC-DC runs off DC solar power directly — eliminating the biggest cost barrier.
Tampines-based team. Quick response, on-site consultation, local warranty support.
Tell us your current AC setup and electricity usage. We'll recommend the right solution.
We visit your site, assess roof space, sun exposure, and existing wiring.
You receive a detailed quotation with savings projection and payback timeline.
Our certified team installs your system with minimal disruption and full testing.
"Our electricity bill dropped by over 40% the first month after installing the Hybrid Thermal AC. The team was professional, explained everything clearly, and installation was done in a day."
"We retrofitted ECO3 across our office building's multi-split system. The savings appeared in the very next SP bill. ROI in under 18 months for a system this size is remarkable."
"I was sceptical at first. But the Hybrid Solar AC-DC genuinely works — during sunny hours the AC runs almost free. WSE walked me through the tech thoroughly before I committed."