AC size calculator: what size unit do you need?
Estimate the air conditioning capacity your home needs based on square footage, sun exposure, and household size. Use this before getting quotes so you can spot undersized or oversized bids.
This range shows the typical BTU capacity range installers would size for; an in-home load calculation (Manual J) gives the exact figure.
Get actual quotes for this projectThis is an estimate; a contractor's in-home load calculation confirms the exact unit size needed.
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Ranked by our published rubric from recent Google reviews, weighted by relevance to this service (the same order as the category page).
Mountainside Air Conditioning RepairGet a quote5.0(153) 93
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Mountainside Air Conditioning RepairGet a quote5.0(627) 91
Olive Air, Heating & AC RepairGet a quote4.9(141) 89
ChillTek AC RepairGet a quote5.0(43) 87