Save money on cooling

In most circumstances, Vent-Tech’s evaporative cooling solutions provide a much more cost-effective and environmentally friendly alternative to industrial air conditioning systems.

Traditional air conditioning uses a number of fans as well as refrigerant gases to achieve the desired air temperature. In contrast, Vent-Tech’s evaporative cooling systems use just one fan to draw the hot air across water on the way in, and one fan to vent the hot stale air on the way out. This achieves the desired cooling with a much reduced requirement for electricity.

Compare the costs

Evaporative air coolingConventional
air conditioning
90% reduction in  electricity consumptionHigh electricity
consumption by system components
No refrigerants usedUses environmentally damaging refrigerants
Supplies 100% fresh cooled airProvides mainly
(80-85%) recycled air
Low carbon dioxide footprintHigh carbon dioxide footprint
Performance improves  at high temperaturesPerformance reduces
at high temperatures

Greener air conditioning - it's simple...

The eco cooling systems Vent-Tech installs are much simpler than traditional industrial air conditioning systems. Because they have far fewer moving parts, they need much less electricity to run them.

Our solutions utilise the air from outside, and only actively cool it when necessary. This is in stark contrast to standard air conditioning, which generally runs all the time to maintain a constant temperature.

The bottom line: a better, more pleasant, lower cost working environment.

Vent-Tech helps organisations to improve their working environment, save running costs (typically 90% saving on running costs versus standard air conditioning), and slash their carbon footprint by a substantial amount.

Cost and electricity saving

Running costs for evaporative cooling are a fraction of air conditioning running costs. Typically a 1.5kW motor provides over 40kW of cooling. This is compared to more than 15kW of electricity for conventional air conditioning to generate the same amount of cooling.

Comparative costs and consumption of a typical server room evaporative cooling system vs air conditioning

The table below shows the comparative costs and carbon usage for a 100kW server room. This is based on pricing of 8p/kWhr and 0.53702 kg/CO₂ per kWhr. Figures will vary according to industry and application.

Vent-Tech CRECCRAC with Free CoolingCRAC
  CoP  23.8  3.7  2.0
  Power  Consumed KW  4.2  27  50
  Annual Electricity Use kWhr  36,792  236,757  438,000
  Additional Electricity Vs CREC  +199,965 kWhr  +401,208 kWhr
  Annual Electricity Cost  £2943  £18,940  £35,040
  Total Carbon (tonnes)  19.8  127.1  235.2


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