The planning workbench

Work out the numbers.
See the assumptions.

Useful estimates before you buy. Every tool explains its geometry, units and limits. None replaces your model’s installation documents.

01

Greenhouse Size Calculator

Check whether two side benches and a center aisle fit the usable inside dimensions.

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02

Greenhouse Heater Sizing Calculator

Estimate steady-state heat loss for a simple rectangular gable greenhouse, with each assumption visible.

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03

Greenhouse Heating Cost Calculator

Turn electrical input, running hours, duty cycle and your own tariff into an energy-cost scenario.

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04

Greenhouse Ventilation / Fan Sizing Calculator

Estimate a summer exhaust-airflow target using the UMass floor-area and design-height method.

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05

Greenhouse Panel Area Calculator

Calculate gross wall and roof area for a simple gable envelope, before ordering panels or estimating heat loss.

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06

Greenhouse Foundation Planner

Organize a manufacturer base footprint and a separate working-space allowance without inventing structural details.

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