Symphony has taken a simple looking product like air cooler to a great height of technology.

Symphony air coolers are designed to give very high air delivery efficiency. This means that the Symphony air coolers give very high air delivery at very low power consumption. This has been achieved by a combination of several design parameters. These air coolers are designed using latest engineering and computerized techniques and further analyzed and tested at a very high tech state of the art validation center - one of its kind in the world! Be it 3D modeling, be it computer simulations like stress analysis, mould flow analysis, air flow analysis, acoustic analysis, dynamic analysis, vibration analysis, thermal analysis, psychometric analysis, rapid prototyping etc. Best of the technology across the world has been procured and put to use for designing and developing the air coolers. Several aspects helping Symphony air coolers to achieve extra low power consumption are elaborated as below.

A. General
In fact the design of each and every component is so minutely detailed such that the air flow is smooth without any internal churning or any unwanted restrictions and further all the rotating parts are virtually friction free. Hence, hardly any energy is needed to counter the internal losses. Thereby, we need the electricity just sufficient for the desired air delivery and cooling, and, no electricity for making up any kind of the internal losses. Thus, the very basis of achieving super low power consumption is by eliminating all kinds of internal waste of energy.

Another important attribute of lower electric consumption is the usage of high grade raw materials in quantities higher than those used for normal designs. Thus, the costs of individual components used in the Symphony air coolers are much higher than those used in other brands, however, the components are themselves highly energy efficient.

Another important point that needs to be noted is as follows. The design and selection of components and raw materials (specially the items like motor, fan / blower, involutes, cooling pads, pump, water distribution system etc.) is done such that the energy efficiency is maintained through out the life of the air cooler. Hence customer enjoys low power consumption not only at the time of first start of the new cooler - but through out the life of the air cooler.

B. Cooler shape and volume
The overall cooler shape designed so as to prevent any internal churning of the air thereby no power gets wasted in internal air churning. The entire power gets utilized directly in the air delivery to the outside of the cooler. This is achieved by computerized flow simulation. Internal volume of the cooler is also calculated and maintained as optimum vis-à-vis the air delivery of the cooler. Any less volume would reduce the air delivery capacity of the given model, and, any high volume would result in lower energy efficiency.

C. Air flow paths
Air inlet grills aerodynamically designed with least restriction yet maintaining good structural strength and rigidity.

Cooling pads designed with maximum water retention yet least restriction to the air flow. This is achieved by using special raw material and specially sized fibers and retaining nets. Thus, least power is needed to such the air through the cooling pads even whilst the cooling efficiencies are of the highest order.

The cooling pad retention grills (inner side panels) are again aerodynamically designed with least restriction yet maintaining good structural strength and rigidity.

The air delivery grills and the air deflecting louvers (front panels) are designed with aerodynamic cross-sections and with minimal restrictions yet maintaining good structural strength and rigidity.

The designs of air inlet and outlet grills with very good rigidity and strength yet with minimal air restriction and aerodynamic profile has been possible by using modern stress analysis techniques like FEM and Mould flow.

D. Motors
Electric motors are themselves very strong and hence internal losses are very low. Thus, the efficiency of motor itself is very high. We have maintained high motor efficiency by using higher quantity of costly conducting raw materials like copper, and, also by using special grade steel lamination and special grade insulating materials, and, excellent friction free bearings, specially designed retainer springs, and high quality lubricants.

Motor speeds are very carefully chosen so as to allow maximum air delivery with least of the noise and these are the speeds at which the motors operate at the highest efficiency. Critical speeds of the motor and fan system are calculated to avoid fundamental frequencies of the system while selecting the three speeds of the motor. This enables smooth noise free vibration free operation at least power consumption.

Motor mounting arrangement is specially designed to be quite rigid but at the same time with minimal restriction to the air path. Motor mounting parts are such that they allow maximum air cooling to the motor and yet shield the motor from water. Thus, the motors run cool and at their maximum electrical efficiency.

Louvers movement motor is also specially designed and developed at an internationally best manufacturing source. This motor consumes much lesser electricity as compared to those commonly available in the domestic market. Low electric consumption by louvers motor is also helped by friction free joints of the louvers and specialized low friction raw materials used in the louvers.

E. Air moving Devices
Fan / Blower are designed to give highest air delivery outside the cooler. The geometry is designed to reduce an internal churning of the air and hence maximum power is utilized in the direct air delivery rather than internal air circulations.

Further, the engineering thermoplastic fan / blower made from special alloy plastic materials ensure that the geometry is uniform and consistent. This is not possible in metal fan blades. The uniform and consistent geometry and total dynamically balanced profile ensures minimum power losses thereby allowing power saving in the air cooler.

Further, integrated bush with fan / blower results in reducing extra elements in the energy transmission system thereby reducing the energy losses and improving energy efficiency.

The involutes for blower are designed using latest computerized techniques. The air gaps and the geometry are optimized such that we get minimum noise, maximum air delivery and very low losses hence the electric consumption is very low for a given air delivery. Deflectors (Baffles) are designed and kept at locations which result in the smooth air flow again reducing the losses.

F. Wiring
Cord wire and internal wiring are made from higher grade conducting materials to ensure that the transmission losses in these are minimal. Thus, we save energy here too.

G. Pump
We have developed specialized submersible pumps which consume very low electricity for the same given amount of pumping. This has been made possible by using higher quantity of high grade conducting raw material, high Gauss level magnets and special scale free shaft.

H. Consistency
Best world class technology has been adapted for manufacturing and quality assurance so that the products are made consistently as per the designs and thereby we can guarantee the same energy efficiency performance for each and every air cooler that we make and sell. The manufacturing involves computerized machinery and computerized testers. In addition, a host of performance as well as safety tests are carried out to strict international norms specified for CE, SONCAP, SASO, ASHRAE, and UL standard specifications in addition to Indian Standard Specifications. All these tests are carried out in-house as well as at the world renowned third party test laboratories at Singapore and Hong Kong. All these ensure the consistency of obtaining energy efficiency throughout all manufacturing lots.