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Chiller Heat Load Calculator

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Chiller Heat Load Calculator (ASHRAE-Aligned)

Chiller Heat Load Calculator (ASHRAE-Aligned)

Use this calculator to estimate the heat load for chillers.
It applies the standard formula: Q (kW) = (Flow Rate in m³/s) × Density × Cp × ΔT (°C), as per ASHRAE SI standards.
Supports various flow units, includes optional ambient derating (0.9% per °C above 35°C), and safety factor. Results are given in kW and Tons (TR).

Required Inputs

US GPM: 1 US gal = 3.785 L; UK GPM: 1 UK gal = 4.546 L. LPM and m³/h are metric units.
Eg: 1 for water; higher for glycol mixtures.
Eg: 4.187 for water; 3.5-4.0 for glycol mixtures.

Optional Inputs

Derates capacity by 0.9% per °C above 35°C (as per ASHRAE/AHRI guidelines).
Eg: 10-20% for uncertainties (peak loads, fouling, etc).

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Tempcon is much more than a manufacturer of cooling and temperature control systems. We are technical advisors with the expertise to recognize the best solution- in terms of productivity, efficiency, environmental impact. Innovation creates new opportunity & being able to customise our cooling solutions is what makes us unique!

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Chiller Machine

Tempcon is much more than a manufacturer of cooling and temperature control systems. We are technical advisors with the expertise to recognize the best solution- in terms of productivity, efficiency, environmental impact. Innovation creates new opportunity & being able to customise our cooling solutions is what makes us unique!

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