Brine vs Glycol Chiller: Which Coolant Should You Use?
Brine vs glycol chiller explained: salt brine, MEG, PEG and methanol compared on freezing point, corrosion, heat transfer and safety — with a selection guide.
ReadEngineering guides
Practical notes from our process team on sizing, selecting and budgeting industrial chillers.
How to Calculate Chiller Tonnage (TR)
Calculate chiller capacity in TR and kW from flow and temperature difference — worked examples for water and glycol, safety margins and a free calculator.
ReadHow an Industrial Chiller Works
Industrial chiller working principle step by step: the four parts of the vapour-compression cycle, what the coolant loop does, how capacity is controlled, and why evaporating temperature decides everything.
ReadTypes of Industrial Chillers
All the types of industrial chillers explained — by condenser (air or water cooled), compressor (scroll, screw, reciprocating), coolant (water, brine, glycol, oil) and temperature (process, low-temp, cascade) — with where each one fits.
ReadAir Cooled vs Water Cooled Chiller: Which Is Right for Your Plant?
Air cooled vs water cooled chiller compared on energy, capital cost, water use, space, maintenance and Indian ambient conditions — with a decision table for 10 to 500 TR plants.
ReadScrew vs Scroll Chiller: Which Compressor Should You Choose?
Screw vs scroll chiller compared: how each compressor works, capacity range, part-load efficiency, low-temperature performance, maintenance and cost — and where reciprocating still wins.
ReadBrine Chiller Working Principle
What a brine chiller is, how it works down to −40 °C, how it differs from a water chiller, the brines used (CaCl₂, glycol, methanol), typical applications and how to size one.
ReadCascade Refrigeration System Explained
Cascade refrigeration system explained: why a single circuit cannot reach −60 °C, how two refrigerant circuits are linked through a cascade condenser, refrigerant pairs, control, and where cascade chillers are used.
ReadAmmonia vs Freon Refrigeration: Which Is Right for Your Plant?
Ammonia (R-717) vs Freon (HFC) refrigeration compared on efficiency, cost, safety, plant size, materials and regulations in India — with guidance on when each makes sense for cold stores, ice plants and process chillers.
ReadIndustrial Chiller Maintenance Checklist
A practical industrial chiller maintenance checklist — daily log readings, weekly and monthly checks, annual overhaul items, condenser and evaporator cleaning, refrigerant and oil care, and the warning signs that mean call for service.
ReadChiller Efficiency Explained: COP, kW/TR, EER and IPLV
How to calculate chiller COP and kW per TR, what good values look like for air cooled, water cooled and low-temperature chillers, how to measure efficiency on site, and the operating changes that cut power consumption.
ReadProcess Chiller vs HVAC Chiller: What's the Difference?
Process chiller vs HVAC (comfort cooling) chiller: differences in temperature range, control accuracy, duty cycle, construction, coolant and sizing — and why an air-conditioning chiller is the wrong choice for most industrial processes.
ReadAmmonia vs Glycol Refrigeration Systems for Food Plants
Ammonia vs glycol refrigeration systems for food plants: direct ammonia, ammonia-chilled glycol and packaged glycol chillers compared on efficiency, food safety, cost and plant size for dairies, breweries, meat and cold stores.
ReadBrine Chiller vs Water Chiller: What Is the Difference?
Brine chiller vs water chiller: temperature range, coolant, evaporator design, compressor selection, capacity, power and cost compared, with a simple rule for which one your process needs.
ReadTwo-Stage vs Cascade Refrigeration: Which Do You Need?
Two-stage vs cascade refrigeration compared: how each works, temperature ranges, refrigerants, efficiency, cost and maintenance, and how to choose between them for −25 °C to −70 °C brine chillers.
ReadIndustrial Chiller Troubleshooting: Common Alarms, Causes and Fixes
Industrial chiller troubleshooting guide: high pressure trip, low pressure trip, flow fault, freeze alarm, oil pressure, compressor overload and poor cooling, with likely causes and step-by-step checks.
ReadIPLV in Chillers: Meaning, Formula and Worked Example
IPLV in chillers explained: what Integrated Part Load Value means, the AHRI 550/590 formula and weightings, a worked calculation in kW/TR, IPLV vs NPLV, and why it matters less for process chillers.
ReadConcrete Cooling: Batching Plant Chillers, Flake Ice and Aggregate Cooling
Concrete cooling methods compared: chilled water from a batching plant chiller, flake ice and falling film chillers for aggregate cooling. Includes the concrete temperature formula, a worked example and chiller sizing.
ReadChilled Brine Temperature Range: Brine Types and Freezing Points
Chilled brine temperature range by brine type: calcium chloride, sodium chloride, ethylene glycol, propylene glycol and methanol. Freezing point tables, working limits, concentration rules and how a brine circuit is laid out.
ReadChiller for Chemical and Pharma Reactors: How to Select and Size
How to select a chiller for chemical and pharmaceutical reactors: utility temperature levels, jacket heat-load calculation with a worked example, brine choice, pull-down time, flameproof requirements and common sizing mistakes.
ReadIndustrial Heat Pump: Working Principle, COP and Applications
Industrial heat pumps explained: working principle, air-to-water vs water-to-water, COP, hot water up to 90 °C, energy comparison with electric heaters and boilers, sizing formula and applications in Indian industry.
ReadRefrigerated Air Dryer: Working Principle, Dew Point and Sizing
Refrigerated air dryer working principle explained step by step: pre-cooling, refrigeration, moisture separation and reheating. Covers pressure dew point, ISO 8573-1 classes, sizing correction factors and refrigerated vs desiccant dryers.
ReadIndustrial Chiller Price in India
What an industrial chiller costs in India in 2026: price per TR by type, why brine and low-temperature chillers cost more, and what drives the final quotation.
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