Excellence with integrity


Blower Wheel – Centrifugal, Axel Fans & pump Impellers

We fabricate Blower fans, Wheels and units from the smallest size up to the largest size according to the CFM of it or original specification, modification by the customer requirement.

AHU & HVAC System

Heating, ventilation and Air Conditioning (HVAC) is the technology of indoor and vehicular environmental comfort Its goal is to thermal comfort and acceptable indoor air quality.

Evaporator coil & Condenser

Evaporator coils contain the system’s refrigerant as it converts from liquid to gas. Condenser coils in the outdoor unit house the refrigerant during its return to liquid.

Blower Units

Blowers are machines which primary function is to provide and accommodate a large flow of air or gas to various processes of many industries.

Expansion Bellows

Expansion joints are often included in industrial piping systems to accommodate movement due to thermal and mechanical changes in the system.

Shell & Tube Heat Exchanger

A Shell and Tube Heat Exchanger is a class of heat exchanger designs. It is the most common type of heat exchange in oil refineries and other large chemical processes

Fin Tubes

A finned tube heat exchanger will typically have tubes with fins attached to outside of them. There will finned tube square usually be a liquid flowing through the inside of the tubes and air or some other gas flowing outside of the tubes.

Dust Collectors

A Dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas.

Ducting & Dampers

Fabricating any size of Ducting & Dampers Air grill and Air Diffuses by Aluminium, Zn coated, Mild Steel and Stainless steel with Insulation & Installation.

Air Grill - Air Diffusers

Air Filters

Import and Sales

Air Conditioners
Air Curtain
Copper Tube
Copper Tac
Copper Bend

Meet Award winning AC Experts

Besides our experts are good air conditioning, they are skilled, licensed, certified and awarded. 

holds the following Awards:
  • Provincial Silver Award "Sri Lankan Entrepreneur of the Year 2016" Larger Category WP
  • National Silver Award "Sri Lankan Entrepreneur of the Year 2016" Larger Category
  • Gold Award for "Best stall - Locally Assembelled Product at INCO 2013 Industrial Exhibition"
  • Platinum Award for "Industrial Excellence 2011" by Sri Lanka Chamber of Small & Medium Industries
More than 700 high profiled & Satisfied customers

Our customers are among the top in their industries and they value the knowledge, expertise and solutions provided by D.S.Engineering

35 Years Experience

Our company has a rich experience in air conditioning services as we have been working since 1982. We know what our clients need and we are always ready to meet any demand. We love non-standard projects as we can show all the creative skills we have!

Our Projects

The smartest working shop in the steel business Air conditioning business

What People Think About Us

Thanks to D.S.Engineering .

D.S. de Silva Manager - Engineering

It was our first time to request the assistance of professional team to do Air Conditioning. They are very pleased that it was done so…

Saman Rthnayake manager

I was recommended to use D.S.Engineering.

S.D.Mendis accountant

Tell Us About Your Project

We will contact you within one business day.


(+94) 38 5090 536
(+94) 38 4281 614


#80, Horana Road,
Panadura, Sri Lanka.