What services does Singhania Refrigeration offer?

We offer turnkey cold storage construction, cold rooms and CA/MA stores, ammonia and freon refrigeration plants, IQF systems, ripening chambers, compressor rack systems, PUF panels, dock shelters, transport refrigeration and cold chain consulting.

Where is Singhania Refrigeration located?

Our office is at C-19, Okhla Phase-I, New Delhi – 110020. We serve clients across Delhi NCR — including Noida, Gurgaon and Faridabad — and execute projects pan-India.

Which industries do you serve?

We design cold storage and refrigeration systems for food processing, pharmaceuticals, dairy, agri-export and logistics businesses, with systems aligned to FSSAI and WHO-GMP standards.

How experienced is the Singhania Refrigeration team?

Our engineering team draws on 25 years of cold chain and logistics experience through the Singhania Group, delivering ammonia refrigeration, CA storage, IQF and transport refrigeration projects across India.

How quickly will I hear back after submitting an enquiry?

Our engineering team responds to all enquiries within 24 hours to discuss your cold storage or refrigeration requirements.

What is controlled atmosphere storage?

Controlled atmosphere (CA) storage is a cold storage method that regulates oxygen, carbon dioxide and humidity levels inside a sealed store, alongside temperature, to slow the ripening and respiration of fruits and vegetables. This extends shelf life far beyond standard refrigeration alone, making it the preferred storage format for agri-export businesses handling apples, pears and other long-storage produce.

Ammonia vs freon refrigeration — which is better?

Ammonia refrigeration plants are generally more energy-efficient and better suited to large-capacity industrial cold storage, but require stricter safety handling due to toxicity. Freon (HFC/HCFC) refrigeration systems are easier to maintain and commonly used in smaller cold rooms and retail cold storage. The right choice depends on capacity, budget and safety infrastructure.

How does an IQF system work?

An IQF (Individual Quick Freeze) machine rapidly freezes individual food items — such as seafood, fruit pieces or vegetables — using high-velocity cold air or cryogenic methods, so each piece freezes separately rather than clumping together. This locks in texture, nutrition and appearance, which is why IQF machine technology is the standard for export-quality frozen food production.

How can I reduce cold storage energy consumption?

Cold storage energy consumption can be reduced through high-efficiency compressors, properly sized PUF panel insulation, smart temperature controls, regular preventive maintenance and AMC services, and minimising door-opening losses with dock shelters and dock levelers. Singhania Refrigeration's energy-efficient refrigeration systems are engineered to cut running costs by up to 30% compared with conventional installations.

Ammonia Refrigeration Units Manufacturer in India

Eco-Friendly, High-Efficiency Cooling for Heavy-Duty Industrial Applications

Singhania Refrigeration engineers and manufactures Ammonia (NH3) Refrigeration Units for large-tonnage industrial cooling — cold storage warehouses, food processing plants, blast freezing tunnels and ice plants — where the importance of energy efficiency at scale is greater than anywhere else in the cold chain.

Designed for the Indian operating environment, our ammonia systems promise high thermodynamic efficiency and integrated safety features that help facilities realize the energy savings of a natural refrigerant without sacrificing protection or compliance.

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What is an Ammonia Refrigeration Unit?

Ammonia refrigeration units are industrial refrigeration solutions that use ammonia (NH3) as a refrigerant instead of synthetic refrigerants like HFCs or HCFCs. Ammonia is a natural refrigerant that has a high latent heat of vaporization, which allows it to efficiently transfer large amounts of heat, making it well suited to large-capacity, heavy-duty industrial cooling loads.

Unlike compressor rack systems for distributed retail or cold-room loads that are designed around synthetic refrigerants, ammonia plants are typically engineered as a centralized, large-tonnage refrigeration system — scaled for big cold storages, food processing plants, blast freezing tunnels and ice plants — where the efficiency gains at scale justify a dedicated machine room, integrated safety systems and trained operating staff.

Ammonia refrigeration is commonly used in large cold storage warehouses, frozen food and meat processing plants, dairy and beverage plants, blast freezing and IQF tunnels, and ice plants and cold chain hubs.

ammonia-refrigeration by Singhania Refrigeration

Key Features of Our Ammonia Refrigeration Units

High Thermodynamic Efficiency

Ammonia has a high latent heat of vaporization, meaning it can transfer more cooling per kilogram of refrigerant, resulting in lower energy consumption than comparable synthetic refrigerant plants.

Configurable for Chiller, Freezer & Blast Freezing

Single-stage or two-stage compression options cover the full range from standard chiller temperatures to deep blast-freezing ranges.

Integrated Leak Detection & Safety Systems

The plant room design includes ammonia sensors, automatic shutoffs, and ventilation interlocks from the start, not as an afterthought.

PLC/SCADA Monitoring with Audit Trails

Centralized control, logged alarms, and pressure/temperature trends give facility managers precise control and a compliance-ready audit trail.

Eco-Friendly Natural Refrigerant

Zero ozone depletion potential and negligible global warming potential relative to HFC refrigerants, helping with long-term regulatory compliance.

Service-Friendly Design & Nationwide AMC

Ammonia-trained technicians deliver AMC support for accessible compressors, valves, and piping.

Ammonia Refrigeration Solutions We Offer

Direct Expansion (DX) Ammonia Systems

This simple configuration is well suited for small to mid-capacity industrial loads where the refrigerant flashes directly in the evaporator coil.

Flooded / Liquid Overfeed Systems

In large multi-room plants, liquid ammonia is pumped to evaporators for more even cooling and higher efficiency.

Single-Stage Compression Plants

Standard temperature ranges for chillers and freezers, suited to cold storage and food processing applications.

Two-Stage Compression Plants

Made for deep sub-zero applications such as blast freezing and IQF tunnels, where a single compression stage cannot reach the desired temperature effectively.

Industries Using Ammonia Refrigeration Units

Large Cold Storage Warehouses

High-tonnage refrigeration for bulk frozen and chilled storage facilities.

Frozen Food & Meat Processing

Reliable deep-freeze capacity for processing and packing lines.

Ice Plants & Cold Chain Hubs

Continuous heavy-duty refrigeration for ice manufacturing and logistics hubs.

Dairy and Beverage Plants

Process and storage cooling for large-scale dairy and beverage production.

Blast Freezing & IQF Tunnels

Two-stage ammonia systems for rapid, deep sub-zero freezing.

Pharmaceutical & Chemical Plants

Industrial-scale process cooling where efficiency and reliability matter most.

SERVICE AREAS

📍 Delhi

📍 Noida

📍 Greater Noida

📍 Gurgaon

📍 Ghaziabad

📍 Faridabad

Why Choose Singhania Refrigeration?

Ammonia-Specific Engineering Expertise

From the first drawing, plant layouts are designed around ammonia safety and handling requirements, not adapted from a generic refrigerant plant design

Safety-First Plant Room Design

Leak detection, ventilation, and automatic shutoff systems are part of the original layout, not bolted into a finished room afterward.

Capacity Engineered for Your Tonnage

Compression staging and pipe sizing are calculated against your actual cooling load, not a generic catalog specification.

Trained Service Teams for Ammonia Plants

AMC and breakdown support is provided by technicians specifically trained in ammonia handling, not refrigeration staff moving into ammonia work.

Pan-India Support for Large Industrial Sites

For multi-location processing and storage groups, one partner is responsible for commissioning and ongoing servicing at every location.

Frequently Asked Questions

Yes, when designed and operated properly. Ammonia is toxic at high concentrations, so ammonia plants are built with leak detection, ventilation, automatic shutoffs, and machine-room safety standards. Ammonia systems have a long history of safe industrial operation when properly designed, trained for, and maintained.

Thermodynamically, ammonia is more efficient than most synthetic refrigerants, which generally means reduced energy consumption for large-capacity loads. It also has zero ozone depletion potential and virtually no global warming potential, which is increasingly relevant under HFC phase-down regulations.

Ammonia systems are best suited to larger tonnages — typically large cold storages, processing plants, or ice plants — where the efficiency gains at scale outweigh the cost of a dedicated machine room, safety systems, and trained operators. Smaller retail or single-room loads are usually better handled by a compressor rack or standalone system running a synthetic refrigerant.

Single-stage ammonia systems are well suited to standard chiller and freezer ranges. For deep sub-zero applications, such as blast freezing or IQF tunnels, two-stage compression is used to reach much lower temperatures efficiently.

The design includes ammonia leak detection sensors, automatic ventilation and shutoff interlocks, PLC/SCADA monitoring with alarms and audit trails, and a machine room layout that conforms to standard ammonia safety practice.

Yes. We provide nationwide AMC support with technicians trained in ammonia handling and plant safety are not general refrigeration staff who are new to ammonia work.

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Plan an Ammonia Refrigeration Plant With Singhania Refrigeration

With a cold storage facility expansion or a new processing facility, our team can size an ammonia refrigeration system to your tonnage, temperature range and safety requirements.

Call: +91 99710 60822 Call: +91 97180 97170