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Definition
A measure of an air conditioner or heat pump's cooling capacity. One ton equals 12,000 BTU/hour. Correct tonnage comes from a Manual J calculation — not square footage alone.
Why this matters for your home
- Use this term to ask better questions when you compare estimates.
- Connect the definition to a real decision in our Learning Center guides.
- Confirm how it applies to your home's age, equipment, and Utah climate.
Related pages
Category: Cooling