Water and electric air curtains are both effective solutions for maintaining temperature control and air quality in commercial spaces.
Each type of air curtain offers distinct advantages and limitations. In this article, we will explore the key differences between water and electric air curtains, so you can easily make decision which one is best for you.
Water-heated air curtain
A water-heated air curtain is a type of air curtain that utilizes hot water as the primary heat source to generate an air barrier, effectively separating two environments from inside and outside.Inside the air curtain unit, the hot water flows through a heat exchanger which transfers heat from the hot water to the air passing through the unit.
Electrically heated air curtain
It needs electrical as the heating source. When the air flows through electric heating elements, such as heating tubes or PTC heaters, which convert electrical energy into heat, warming the air as it passes through.
Factors to consider before buying air curtain:water type or electrical type
Water and electric air curtains may appear quite similar. Without proper research, it’s easy to assume that the differences are minor and simply, you may go for the more affordable or convenient option. However, this may not always be the best approach. Let’s take a closer look at how they compare.
Cost of purchase
Normally, the water type air curtain is a little expensive than electrical type air curtain, as it need the the copper heater changer,high seal up requirement and additional connection parts to connect the water pipe.
Operating cost
Water-heated air curtains use hot water to heat the air, especially in large areas or for long-time use, the energy consumption of hot water air curtains is usually lower than electric air curtains.It can save much electrical bill cost.
Installation requirements
The electrically heated air curtain only needs to be connected to the power supply and fixed on the top of the door. But water-heated air curtains need professional staff to connect the water pipes.
Heating source
It is the most important things when you choose the air curtain, if you do not have a hot water source, then you only can consider the electrical type air curtain.
Longevity
If the water systems are properly maintained. Heat exchangers and other related components are more durable so the water-type air curtain has a longer service life. Due to the aging of the electric heating elements, the service life may be relatively short, or you need to change the new heated elecments.
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For Water-type air curtain is a little inconvenient, the hot water system requires regular inspection and cleaning of the water pipes to ensure optimal performance and prevent blockages or buildup. Especially in winter,you need to drain all the water from the pipes to prevent freezing the heat exchanger.
FAQ
Which is better suited for large industrial or big commercial environments?
Water type heated air curtain is the best option,as it can save much electrical bill cost.
What air curtains are suitable for small stores or offices.
If you do not have the hot water source,then you can consider the electrical heated air curtain,such as 2kw or 4kw.
How much electricity does an electric air curtain require?
It depends on the door size and the environment temperature,such as in Mongolia or Russia,you need to choose the heating power more then 10kw.
The main difference between hot water air curtains and electric air curtains?
The main difference is the heating source: hot water air curtain need hot water for heating, electric air curtain machine require the electricity
Is it possible to adjust the temperature of the electric air curtain?
CD AIRTECH provides a speed and three-level heating power air curtain for you.
