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HVAC · Cooling Load Estimator

How many tons of AC does this space actually need?

A Manual-J-lite cooling load estimate. Enter the space details - the tool weighs climate, ceiling volume, solar gain, insulation, glazing, and occupant load, then sizes the system.

Initializing load model…
Recommended system size
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tons of cooling
Calculated cooling load
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BTU / hour
Where the load comes from
Load worksheet
Regional variancePricing and technical assumptions vary by region. This calculator uses averaged inputs for labor rates, materials, climate zone, and utility costs. Actual figures in your market may differ materially. For a location-specific quote, contact a licensed contractor in your area.

Want the exact number?

A certified Manual J load calc (duct design, orientation, local design temps) locks in the right unit - and avoids an oversized system that short-cycles. Send it over and we'll follow up.

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Request received.
A specialist will reach out to confirm your Manual J and quote.
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