Equipment Quick-Size Calculator
Convert a cooling load into tons and the airflow that goes with it, then check the equipment you are considering against the ACCA Manual S oversizing limits.
Oversizing is the most common reason a residential system underperforms: it short-cycles, never runs long enough to dehumidify, and leaves the owner with an expensive machine that cannot hold a room comfortable.
Need the whole set drawn and stamped? Ask for a fixed quote, or see the other calculators.
Complete MEP permit set built to get approved.
Every mechanical, electrical, plumbing, and fire sheet your reviewer needs — a fixed quote in 24 business hours, first sets in as few as 5 working days, and city comments answered until your permit is issued.