Supermarket | Multi-State Partial Remodel

HVAC Systems Optimization

Organic Food Retailer with 400+ U.S. Stores Solved Condensation Issues with HVAC Optimization

A national retailer specializing in organic food, with over 400 stores across the U.S., faced a challenge with high humidity levels. This excess moisture led to condensation issues developing on refrigerated cases, resulting in water dripping onto the floors of many locations.

The Problem

The retailer struggled to determine the best approach to resolving the condensation issues, as all parties involved in the store system’s design and installation blamed one another.

Often, adding expensive dehumidification units was suggested as a solution. The retailer turned to SESCO for unbiased, efficient and cost-effective expertise.

HVAC Optimization Completed by CoolSys

Project Objectives

  • Identify the root causes of condensation and propose corrective actions tailored to each store.
  • Enhance the kitchen hood design and rebalance the store’s airflow to address humidity issues.
  • Reduce store’s dew point to prevent water collection on floors without increasing HVAC tonnage

The Solution

Identify the Root Cause

SESCO offered a turnkey solution that included a detailed review of each store’s operation, the equipment in place, their maintenance history and extensive air and humidity readings. The SESCO team then identified the root causes and proposed corrective actions tailored to each store.

Lower Dewpoint

In certain cases, SESCO enhanced the kitchen hood design and rebalanced the store’s airflow to address humidity issues. As a result, the indoor dew point dropped from 63° to 50°, all without increasing HVAC tonnage.

HVAC Optimization Completed by CoolSys
HVAC Optimization Completed by CoolSys

Turnkey Engineering

In other instances, SESCO provided a comprehensive engineering solution that included a new air balance table to ensure positive pressure and the supply and installation of additional or replacement equipment. This was a turnkey solution that included us providing the equipment, any necessary structural work, electrical, plumbing, gas lines and permits.

HVAC Commissioning and Balancing

Some of the most effective solutions involved thorough HVAC commissioning and balancing, which often generated close to $30,000 in annual energy savings without adding any equipment.

The Impacts

SESCO successfully completed 200 projects to resolve the persistent humidity issues faced by stores across 24 states.  

Millions Saved

The retailer benefited from cost-effective, durable solutions implemented in record time, ultimately them saving millions of dollars over the life of the project and significantly less than comparable bids.

HVAC Optimization Completed by CoolSys
HVAC Optimization Completed by CoolSys
HVAC Optimization Completed by CoolSys

Project Highlights

Satisfaction

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States

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Comprehensive HVAC Optimization Solutions

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Dew Point Reduction (63° to 50°) Without Increasing Tonage

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