Kitchen heat recovery could be a major factor for restaurants coming to terms with rising energy prices and growing concern for our environment.
Heat recovery is a form of heat exchange that transfers warmth from one part of a building to another - it's already quite common practice but in the case of kitchen heat exchange, it specifically takes the heat generated from cooking and reuses it either for heating dining areas or warm water, whilst reducing emissions.
The traditional problem with kitchen heat recovery is the build up of grease and soot that accumulates and makes heat recovery less efficient. However, after a major breakthrough in 2018 that all changed...
The problem that Enjay's technology solves is exactly that of grease and soot accumulation... with the invention of article Repellent Geometry (PRG) this problem has been largely solved and with efficiency up to 68%. Essentially the soot and grease particles bypass metal coils instead of sticking to them. The patented design creates a balance between heat transfer effectiveness, pressure drop in air and liquid side and minimises the specific fan and pump power required to run these systems.
This article from the BBC delves a little deeper into the company behind the technology...
Having installed kitchen heat exchange technology by Lepido® in restaurants across the UK we understand how significant an advance this technology is. Enjay estimate that kitchen heat exchanger investment will pay for itself with on 12-24 months.
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