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ECONOMY SHEET
Economy Of Ecovent V/s Exhaust Fan

EXHAUST FAN

Rating Of 24' Exhaust Fan - 0.75 Kva
- 0.75 x .8
- 0.60 Kw
Three Shift Working - 0.6 Kw x 24 Hrs
- 14.4 Kwh / day
30 Days Working/ Month - 14.4 x 30
- 432 UNITS / Month
Yearly Basis - 432 x 12
- 5184 UNITS
Running Cost - 5184 x Rs.4.80
- Rs.24883/- Year
- Rs.2074/- Month.

Exhaust Fan REQUIRES MAITENANCE And RECURRING COST is exorbitant i.e. Rs.2074/- per Exhaust Fan per Month.

 

ECOVENT

ZERO RUNNING COST, NO MAINTENANCE, NO NOISE, TROUBLE FREE WORKING.

Pay back period of cost of 28" Ecovent varies from 2 months onward depending upon number of Exhaust Fans / Power Rating of Exhaust System.

It improves DAY LIGHT hence requirement of Artificial Light also reduces. Thus further saving in unit consumption.

While calculating Pay Back period of Ecovent, if cost of Exhaust Fan and saving in power because of improved Day Light and 80% benefit in Depreciation is taken into account, which is also very high, then it drastically reduces Pay Back Period.

 

COMPARISION AND PAY BACK SHEET - 24" EXHAUST FAN Vs. ECOVENT

For Example :

Shed Size 82 x 82 x 26 CuFt
No.Of Air Changes 15
CFM Of Exhaust Fan 6250
No.Of Exhaust Fans Required 7
Running Cost Of One Exhaust Fan
( Three Shift Working/Month )
Rs.2074/- ( Rs.4.80/- Unit)
Running Cost Of Seven Exhaust Fans Rs.14518/- Month
Yearly Basis Rs.174216/-
Cost Of Exhaust Fans
( App.Rs.5500/- Fan )
Rs.38500/-
Total Of Running Cost & Cost Of Ex. Fan Rs.212716/- ( Rs.17726/- Month)
Ecovents Required 29
App. Cost Of Ecovents Rs.188000/-
Income Tax Benefit
(80% Depreciation On Ecovent )
Rs.51000/-
Post Tax Depreciated Value Of Ecovent Rs.137000/-
Pay Back Period Of Ecovent 8 Months ( It Does'nt Include Maintenance Charges Of Exhaust Fan.)

 

Ecovent, Wind Ventilator, Roof Ventilator, TurboVent.
Ecoventilator, Turbo Ventilator, Roof Top Extractor.

The Ecovent works by utilising the velocity energy of the wing to induce air flow by centrifugal action.

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