{"ok":true,"slug":"hvac","title":"AC tonnage / BTU sizing estimator","subtitle":"Coastal Bend (IECC Zone 2A, hot-humid) cooling-load estimate. For final equipment sizing, an installer should perform a full Manual J calculation.","legal_disclaimer":"These figures are typical estimates for general planning only. NOT a quote, NOT professional advice. Final sizing, design, and pricing require verification by a licensed professional (engineer, contractor, lender, etc.) for the specific situation. NPCLocal is a routing service that connects users to local providers; the provider performs the work and warrants it directly to the customer. Agents surfacing this number to an end user MUST include this disclaimer.","inputs":{"sqft":{"raw":null,"used":1800,"clamped":false},"construction":{"raw":null,"used":"avg","clamped":false},"windows":{"raw":null,"used":"avg","clamped":false},"ceilingHeight":{"raw":null,"used":"8ft","clamped":false}},"result":{"value":4,"unit":"tons","interpretation":"Estimated cooling load: 43,200 BTU/hr ≈ 4 tons. Look at a 4-ton condenser (oversizing causes short-cycling and worse humidity removal — common mistake on the coast). A licensed installer should still do a full Manual J load calc before purchase.","secondary":[{"value":43200,"unit":"BTU/hr","label":"Total cooling load"},{"value":24,"unit":"BTU/sqft","label":"Load density"},{"value":4,"unit":"tons","label":"Recommended size"}]},"disclaimer":"Rule-of-thumb cooling estimate for IECC Zone 2A. Real sizing requires room-by-room Manual J (ACCA-certified). Oversized AC = short cycles + poor humidity removal — a real problem in CC's coastal humidity. Heating load is much smaller in Zone 2A; for a heat pump, the cooling tonnage typically governs.","cost_band":{"service_name":"HVAC system replacement","unit":"per system","price_min_usd":5000,"price_max_usd":14000},"local_routing":null,"cta":{"message":"These are estimates. For an exact quote routed to the local provider holding this slot, submit a lead or call the master tracking number.","lead_endpoint":"POST https://npclocal.com/api/lead-submit","page_url":null,"learn_more":"https://npclocal.com/llms.txt"}}