About SolarTherm (Alpha Thermal Systems) Products & Solutions Achievements & Capacity Branch Network & Support Reputation & Customer Feedback
Established in 1982 (in partnership with NERD), SolarTherm is Sri Lanka’s oldest and most trusted solar solutions provider. Pioneering the nation's first solar water heating system, they’ve maintained leadership in both solar hot water and PV systems for over 40 years. Official Website
• Solar Water Heating Systems: Domestic (100–300 L) and commercial systems using 316L stainless steel tanks and copper riser tubes.
• Solar Electricity Systems: Residential and commercial PV systems, grid-tied and hybrid, with financing via Alliance Finance green loans.
• Solahart: Exclusive distributor of Australian-made Solahart roof-mounted solar water heaters (180–302 L).
SolarTherm built Sri Lanka’s largest private solar park (2.75 MW) and has contributed over 50 MW to the national grid. They won two Energy Globe Country Awards and served high-profile hotels (Jetwing Yala, Shangri‑La Colombo, Anantara Tangalle).
Head Office: 121 Castle Street, Colombo 08 • Hotlines: +94 11 2679944 / 077 215 9997
Branches: Galle, Matara, Bandarawela, Kandy, Negombo, Kurunegala.
After-sales and PV/SWH inquiries handled via dedicated numbers; e.g., +94 77 246 2227 for after-sales.
Contact & Branch Details
Reddit users praised SolarTherm’s reliability:“Solar Therm…from first day…I’ve had theirs done too…2.5 years…no problems whatsoever.”
“Had solar therm at our house for over 15 years. Never had a problem with servicing.”
| Accepted Currencies: | Sri Lankan Rupees |
|---|---|
| Payment Types: | Cash, Credit Card |
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