Greenhouse Heating Calculator

Greenhouse Heating Calculator

Many growers choose to heat their Greenhouse over winter to protect their plants, especially in areas where conditions are particularly harsh. 

Calculating how much power your Greenhouse needs will help determine what kind of heater to use, as well as help you individually estimate any costs for the period.

Square Surface Area Calculator for a Standard Gable End Greenhouse Structure

Calculate dimensions by: or

Please fill in the details below then click the calculate button.

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Square Surface Area Calculator for a Lean To Greenhouse Structure

Please fill in the details below then click the calculate button.

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Power required to heat a greenhouse

Please fill in the details below then click the calculate button

This section calculates the Power required to heat a greenhouse or glasshouse structure in winter based on your input parameters. This calculation is intended as a guide for estimation purposes only . Other factors like wind shear heat loss can also significantly increase heating requirements.

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Heat Loss Factor Parameters

Please chose the one that most represents your Structure

Single layer of glass
1.1
Glasshouse bubble wrap lined
0.6