HVAC Español — BTU Calculator

HVAC ESPAÑOL is the professional toolkit built specifically for HVAC technicians who work in Spanish — the first bilingual app that combines real engineering calculations with full EN/ES interface. ★ BTU / THERMAL LOAD CALCULATOR Calculate cooling and heating loads using ACCA Manual J methodology. Input area, height, climate zone (tropical, hot, temperate, cold), insulation quality, sun exposure and occupants. Get BTU/h, tons, kW — and unlock airflow (CFM), duct sizing and PDF report with one ad view. ★ PRESSURE-TEMPERATURE (P-T) TABLES Complete P-T charts for R-410A, R-32, R-22, R-134a and R-454B. Both liquid and vapor pressures shown in PSI with °F and °C. Unlock with one rewarded ad — free. ★ FAULT DIAGNOSTICS Identify the most common HVAC failures by symptom: • Not cooling / No cooling • High discharge pressure • Low suction pressure • Compressor tripping on overload • Ice on suction line Each symptom includes step-by-step causes and field solutions. ★ HVAC FORMULAS REFERENCE Sensible heat, latent heat, total heat, EER, SEER, COP, CFM, superheat, subcooling, single-phase and 3-phase power, unit conversions. Long-press any formula to copy it instantly. ★ UNIT CONVERTER BTU ↔ kW ↔ Tons | °F ↔ °C | PSI ↔ bar | CFM ↔ m³/h BILINGUAL — Full English and Spanish interface. Switch languages with one tap. WORKS OFFLINE — All calculators and P-T tables work without internet. FREE WITH ADS — Unlock premium features by watching a short rewarded video. No subscription. No hidden fees. Perfect for: residential AC technicians, commercial refrigeration techs, HVAC students, building maintenance workers, and anyone studying for EPA 608 or NATE certification. Built for the 4+ million Spanish-speaking HVAC professionals in the USA and Latin America.