SolarTherm

SolarTherm SolarTherm is the most trusted brand in the Sri Lankan Solar industry, operating since 1982 with a cu and Alpha Solar Energy Systems (Pvt) Ltd.

SolarTherm is the house hold solar energy service provider in Sri Lanka with the largest customer base over 80,000 customers. We are the pioneers in the solar Water Heating industry with two factories operating in Ekala industrial Estate and Kandana. We are also one of the pioneers in Solar Photovoltaic (electricity) industry for more than 2 decades in Sri Lanka. SolarTherm products are sold by Al

pha Thermal Systems (Pvt) Ltd. Our reference projects include largest privately own solar park and the largest solar water heating systems installed in Sri Lanka. SolarTherm water heaters are manufactured in Sri Lanka and customized solutions are integrated using reputed manufacturers across the world. We are an authorized dealer for products from Rheem Australia, a global leader in the solar water heating industry. We are also the exclusive dealer for SolarWorld, solar electricity modules from Germany, which are known as the quality leader in the module manufacturing industry for over 35 year. SolarWorld is the largest high efficiency PV module manufacturer in the world and the largest manufacture off of China. We are also sales and service partner for Fronius inverters made in Austria, considering as the leader in inverter technology for over 20 years.

මල නොබදින අමුද්‍රව්‍ය වලින් නිපදවා ඇති Solartherm Hot Water System, ගෙදර හැමෝටමට හිතේ හැටියට උණු වතුර පාවිච්චි කරන්න,
25/05/2026

මල නොබදින අමුද්‍රව්‍ය වලින් නිපදවා ඇති Solartherm Hot Water System, ගෙදර හැමෝටමට හිතේ හැටියට උණු වතුර පාවිච්චි කරන්න,

Celebrating 77 years of sheer passion, dedication, and inspiration.Wishing you a wonderful birthday and many more years ...
18/05/2026

Celebrating 77 years of sheer passion, dedication, and inspiration.

Wishing you a wonderful birthday and many more years filled with success, good health, and continued inspiration, Managing Director Mr. Lakshman Jayasuriya.

14/05/2026

Why just shower when you can perform?
Enjoy endless hot water with Solartherm Hot Water Systems.
Tube or Panel solutions available.

Wherever you are in Sri Lanka, trusted solar solutions are never far away.From Point Pedro to Point Dondra, Solartherm i...
13/05/2026

Wherever you are in Sri Lanka, trusted solar solutions are never far away.
From Point Pedro to Point Dondra, Solartherm is closer for faster service, expert guidance, and customer care.

Before any system brought comfort to our homes, there was Mother.Her love powered every day.Happy Mother’s Day from Sola...
09/05/2026

Before any system brought comfort to our homes, there was Mother.
Her love powered every day.
Happy Mother’s Day from Solartherm.

Some companies sell and disappear.For over 40 years, Solartherm has stayed beside families long after installation day.R...
07/05/2026

Some companies sell and disappear.
For over 40 years, Solartherm has stayed beside families long after installation day.
Real trust means being there when needed.

Powered by the sun, driven by a brighter tomorrow. This International Sun Day, SolarTherm continues delivering sustainab...
03/05/2026

Powered by the sun, driven by a brighter tomorrow.
This International Sun Day, SolarTherm continues delivering sustainable energy solutions that bring comfort, efficiency, and possibility to everyday life.

Honoring every hardworking hand that builds, supports, and moves the world forward with dedication and strength.
30/04/2026

Honoring every hardworking hand that builds, supports, and moves the world forward with dedication and strength.

Enjoy endless hot water without worrying about electricity costs. Switch to Solartherm Hot Water Solutions today!Price: ...
30/04/2026

Enjoy endless hot water without worrying about electricity costs.
Switch to Solartherm Hot Water Solutions today!
Price: Rs. 210,000

Take control of your electricity! Install the 5kW Solartherm system and start producing clean, affordable energy at home...
29/04/2026

Take control of your electricity!
Install the 5kW Solartherm system and start producing clean, affordable energy at home.
Price: Rs. 975,000

The future of energy is renewable and it starts with the choices we make today. This World Renewable Energy Day, take a ...
26/04/2026

The future of energy is renewable and it starts with the choices we make today.

This World Renewable Energy Day, take a step towards a cleaner, greener tomorrow with solar solutions that reduce your carbon footprint and power your life sustainably.

With Solartherm, you're not just saving energy, you’re protecting the planet for generations to come.

Address

121 Castle Street Colombo 08
Colombo
00800

Opening Hours

Monday 08:00 - 17:00
Tuesday 08:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 17:00
Saturday 08:00 - 13:00

Telephone

+94772159997

Website

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