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Cut Costs and Reclaim Space with a Vertical Storage Carousel

Worker operating vertical storage carousel to optimise warehouse storage in Singapore - TYT Corporation

Summary: 

  • Static racking hides its true cost in aisle space, travel time, and picking errors; none of these appears as a single line item on an invoice.
  • A vertical storage carousel brings inventory to the operator, cutting pick time, reducing mispicking, and easing physical strain across shifts.
  • Total cost of ownership over 5 to 10 years is a more reliable investment basis than acquisition cost alone.
  • Carousel systems perform best with uniform, lightweight inventory and are well-suited to facilities where ceiling clearance limits the use of a vertical lift module.
  • TYT Corporation evaluates your facility, inventory profile, and throughput requirements before recommending a Hänel Rotomat carousel or wider ASRS configuration.

Running out of warehouse space is rarely a space problem. Most facilities have sufficient floor area; the issue is how much of it is surrendered to access aisles, and how much working time is absorbed by moving people to inventory rather than moving inventory to people.

A vertical storage carousel is an automated system that rotates stored inventory to a fixed operator access point on demand. This eliminates aisle travel and compresses storage into a fraction of the floor space conventional racking requires.

That distinction changes what the return on investment actually looks like.

What Is Static Racking Really Costing Your Facility?

Static racking is familiar, and that familiarity can make its costs easy to overlook.

The costs that accumulate most quietly are:

Hidden Cost

What It Means in Practice

Aisle space as dead space

Access aisles can account for 50% or more of total floor area, storing nothing and generating no value.

Labour time lost to travel

In high-SKU or dispersed layouts, travel time per pick absorbs a measurable share of every shift.

Picking errors and their downstream costs

Manual retrieval is prone to misidentification and mispicking, generating returns, rework, and customer service overhead.

Inventory shrinkage and unauthorised access

Open shelving offers limited access control, making high-value or compliance-sensitive items difficult to secure without additional infrastructure.

Compliance and audit risk

Facilities in regulated industries (aerospace, medical, pharmaceuticals) face audit exposure when inventory handling cannot be traced systematically.

Underutilised vertical space

Most static racking tops out well below a facility’s ceiling clearance, leaving paid-for cubic metres above the top shelf unused.

What Does a Vertical Storage Carousel Actually Cost to Run?

Understanding the cost structure of a vertical storage carousel requires looking beyond the purchase price. Installation, integration, and long-term operating costs all factor in.

Cost Component

What It Covers

Typical Considerations

System acquisition

Unit price based on carrier configuration, capacity, and model

Varies by inventory type, load requirements, and access openings

Installation and commissioning

Physical installation, structural assessment, cabling, and system testing

Ceiling clearance and floor load capacity are key variables

Warehouse management system (WMS) integration

Software connectivity for automated pick lists, inventory tracking, and reporting

Standard API connectivity is common; custom integration adds cost

Operator training

Time required to train staff on system use and maintenance

Carousel systems generally have a short learning curve

Ongoing maintenance

Scheduled servicing, parts replacement, and remote diagnostics

ISO-certified systems typically include structured service agreements

Space savings offset

Reduction in leased floor area, racking hardware, and aisle infrastructure

Quantifiable against current lease cost per square metre 

Labour cost reduction

Fewer pick hours per shift due to goods-to-person retrieval

Measurable against pre-installation pick rate benchmarks 

Operational savings accumulate over time and often offset the capital outlay within a defined payback period. The exact timeline varies by facility size, inventory profile, and usage intensity. A structured consultation is a more reliable starting point than a generic payback estimate.

When those hidden costs begin compounding faster than operational adjustments can absorb them, the case for switching becomes clear. And the returns are rarely limited to the cost lines you have already identified.

Why the ROI Goes Further Than Floor Space

Space reclamation is the most visible return from vertical carousel storage, but it is rarely the most financially significant. Facilities that have made the switch report gains across several other dimensions:

  • Pick Rate Improvement: Goods-to-person retrieval removes travel time from the picking workflow, directly reducing pick time per order in high-volume environments.
  • Error Rate Reduction: Software-directed pick lists guide operators to the correct carrier and item, reducing reliance on visual scanning and manual identification.
  • Inventory Accuracy: Closed carousel systems simplify stock counts and discrepancy identification, with audit trails generated automatically through WMS integration.
  • Staff Well-Being and Retention: Less physical travel and reduced ergonomic strain can improve working conditions, particularly in facilities with high staff turnover.
  • Space Repurposing: Floor area freed from storage and aisles can be reallocated to production, staging, or quality control.
  • Regulatory Compliance Support: System-logged access events strengthen traceability documentation for regulated industries.

Taken together, these returns extend well beyond floor space in ways a simple space-saving calculation does not capture.

Interested in reclaiming floor space and reducing pick time? The returns from a vertical storage carousel go further than most facilities initially anticipate. Speak to TYT Corporation to explore how a Hänel Rotomat carousel or ASRS configuration would work for your operation.

How to Evaluate Whether a Carousel System Is Right for Your Operation

Realising those returns depends on choosing the right system. Not every facility is the right fit for a carousel, and a structured evaluation is the most reliable way to determine whether the returns justify the investment. 

WMS integration is one of the most consequential variables: it determines whether the system can automate pick lists, generate audit trails, and feed inventory data back into your operations.

The 5 factors below are the most consequential in determining suitability:

Evaluation Factor

What to Assess

Why It Matters

Inventory type

Are items uniform in size and weight, or highly variable?

Carousels perform best with uniform, lightweight inventory; variable or heavy loads may suit a VLM better.

Retrieval frequency

How many picks per hour or shift does your operation require?

High-frequency, repetitive retrieval is where carousel systems deliver the strongest throughput gains.

Ceiling clearance

What is the usable height of your facility?

Carousel systems are well-suited to lower ceiling environments where a VLM would not fit.

WMS integration

Does your operation use a warehouse management system?

Integration unlocks pick-list automation, inventory reporting, and audit trails; without it, gains are limited to space and basic workflow improvements.

Total cost of ownership

What is your target payback period and how is ROI defined internally?

A TCO assessment across 5 to 10 years gives a truer picture of value than the purchase price in isolation.

The right answer depends on your facility’s specifics, not any single factor in isolation. Once the key variables are mapped, matching them to the right system becomes considerably more straightforward.

Explore the Hänel Rotomat carousel range to see which system configuration aligns with your inventory profile and operational requirements.

Which Hänel Rotomat System Fits Your Facility?

The Hänel Rotomat range is built around the operational profiles described above, with configurations suited to both compact workshop environments and larger industrial settings.

TYT Corporation supplies Hänel automated storage systems that serve industrial, logistics, and commercial settings across Singapore and the wider region. Applications range from tool cribs and workshop parts storage to document archives and medical supply management. 

The core Rotomat systems available, along with their operational focus, are summarised below:

System

Operational Focus

Typical Environments

Key Strength

Hänel Rotomat Industrial Carousel

Compact, predictable inventory workflows for parts and tools

Workshops, tool cribs, manufacturing, automotive

Configurable carriers with variable dividers and inserts; ESD-safe storage available for sensitive components 

Hänel Rotomat Office Carousel

Document and file retrieval for administrative settings

Legal offices, medical records, government archives

PC-controlled retrieval with indexed access; lockable sliding doors for dust-free, secure storage

TYT Corporation also supports broader automated storage and retrieval system (ASRS) needs through the following solutions:

System

Application

Operational Fit

Hänel Lean-Lift Vertical Lift Module

High-density, variable inventory storage using full ceiling height

Manufacturing, automotive, electronics, and logistics; handles loads up to 1,000 kg per tray with potential floor space savings exceeding 60% 

Remmert ASRS

Long and sheet material storage, including the BASIC Tower and MIDI modular system

Heavy industrial environments handling flat goods and oversized stock 

iCUBE Flexible and Scalable Warehouse Automation

High-throughput pallet automation using 3D-Carriers, lifts, and Warehouse Control Software

Distribution and fulfilment operations needing scalable, forklift-free automation with ERP integration 

For facilities moving away from static racking, the Rotomat Industrial Carousel and the Hänel Lean-Lift VLM are the 2 most common starting points. TYT Corporation’s consultation process works through your inventory profile, ceiling clearance, and throughput requirements to identify the strongest fit.

How to Plan Your Switch from Static Racking to Carousel Storage

Transitioning to a vertical carousel system is a structured process. Approaching it in sequence reduces disruption:

  1. Baseline Your Current Operation: Document existing pick rates, error rates, floor space allocated to storage and aisles, and staff hours spent on retrieval. These figures become your post-installation benchmark.
  2. Audit Your Inventory Profile: Categorise stock by size, weight, retrieval frequency, and compliance or access-control requirements. This determines whether a carousel or VLM is the stronger fit.
  3. Assess Your Facility Constraints: Measure usable ceiling height, floor load capacity, and available floor area. Confirm whether existing WMS infrastructure is in place and assess the integration effort involved.
  4. Define Your ROI Criteria: Agree internally on how success will be measured: payback period, labour cost reduction, error rate improvement, or space freed. Clear criteria prevent ambiguity at post-installation review.
  5. Engage a Specialist for a Structured Consultation: A facility audit conducted by an ASRS specialist will validate your self-assessment, surface constraints you may have missed, and produce a clear system recommendation.
  6. Plan the Installation Sequence: Work with your supplier to phase installation and stage the decommissioning of existing racking to minimise operational disruption.
  7. Train Operators Before Go-Live: Structured training before the system goes live reduces early-stage errors and builds operator confidence from day one.

Working through these steps gives you a clearer brief, more accurate cost expectations, and a stronger position when evaluating system proposals.

Ready to Move from Static Racking to a Smarter Storage System?

TYT Corporation, the sole authorised Hänel distributor in Singapore, brings over 35 years of experience delivering automated storage solutions across industrial, logistics, and commercial environments.

Our team supports the full process: facility audit, system selection, installation, and post-deployment review, covering the Hänel Rotomat carousel range alongside the Hänel Lean-Lift VLM, Remmert ASRS, and iCUBE flexible warehouse automation systems.

Contact us today to book a facility assessment and identify which vertical storage carousel or ASRS configuration will deliver the strongest return for your operation.