Supermarket Heat Recovery: Refrigeration + Ventilation

Two loads, one building

S超市与大卖场以两种方式耗散能量：制冷持续排热，而新鲜空气通风（面包房、熟食、入口）需要空调处理。热回收将二者衔接起来。

Ventilation recovery

卖场的排风是温热的，冬季可通过 旋转轮 or 板式换热器。在制冷季，全热芯体还能削减潜热负荷。

Refrigeration heat reuse

冷凝器排热可经以下路径送往空间供暖或除霜 空气-水回收 – a form of 废热回收.

Design notes

• Food-zone air may carry grease/particulates – choose washable cores.
• 保持低圧降；风机全天运转（参见 压降指南).
• Corrosive from cleaning chemicals – specify coated or stainless cores.

投资回收

大面积与长营业时间意味着许多门店可在 2–4 年内收回投资。请用我们的 回收期方法.

Two recovery paths, one strategy

Supermarkets concentrate energy in two places: the ventilation air serving sales and back-of-house, and the heat rejected by refrigeration condensers. Treating them separately but under one control philosophy avoids the common mistake of recovering ventilation heat while letting condenser reject heat go uncaptured, or vice versa. The aim is to move both streams to where they lower the building net heating or defrost demand.

Condenser heat to useful ends

Refrigeration condensers reject heat year-round, and in winter that heat can offset space heating or provide case defrost energy through an air-to-water loop. The recovery is most valuable when the store heating need and the condenser load overlap, so scheduling and control should link the two rather than leaving the condenser to dump outdoors by default.

Material and monitoring

Food-zone air and cleaning chemicals make the recovery core corrosive, so coated or stainless, washable cores are the right spec. Because fans run all day, keep pressure drop low and trend it. Measuring recovered energy against the store heating and refrigeration baseline shows whether the two recovery paths are pulling their weight.

常见问题

How do supermarkets recover heat?
Ventilation exhaust preheats make-up air through a rotary or plate unit, and condenser reject heat is reused for space heating or defrost via an air-to-water loop.

Why use air-to-water recovery in retail?
It routes refrigeration condenser heat to heating or defrost, a form of waste-heat recovery that would otherwise be dumped outdoors.

What materials suit food-zone air?
Washable, coated or stainless cores resist grease and cleaning chemicals. Keep pressure drop low because fans run all day.

What payback do stores see?
Given large floor area and long hours, many recover capital in 2 to 4 years. Validate with a payback method.

常见问题

How do supermarkets recover heat?

Ventilation exhaust preheats make-up air through a rotary or plate unit, and condenser reject heat is reused for space heating or defrost via an air-to-water loop.

Why use air-to-water recovery in retail?

It routes refrigeration condenser heat to heating or defrost, a form of waste-heat recovery that would otherwise be dumped outdoors.

What materials suit food-zone air?

Washable, coated or stainless cores resist grease and cleaning chemicals. Keep pressure drop low because fans run all day.

What payback do stores see?

Given large floor area and long hours, many recover capital in 2 to 4 years. Validate with a payback method.