37,500 BTU/hr

AC tonnage: 3.1 tons

kW equivalent: 11.0 kW

Estimate only. Professional Manual J calculation recommended for final sizing.

Share:Copied!
Was this tool helpful?

Get a free API key + new tools as they ship

100 calls/day, no card, no spam. Built by one person, in public.

About HVAC Load

Working with this task no longer requires installing heavy desktop software — HVAC Load runs entirely in your browser, instantly. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. It pairs naturally with the other utility utilities here when you need to chain a quick workflow.

When you'd reach for HVAC Load

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

Frequently asked about HVAC Load

Will HVAC Load change my original file?
Never. HVAC Load only reads your input file and produces a new output file.
Can I use HVAC Load commercially?
Yes. The output of HVAC Load belongs entirely to you, with no licensing restrictions.
Is HVAC Load really free?
Yes — HVAC Load is free for unlimited personal use, with no account required and no watermark on the output.
What browsers does HVAC Load support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Do I need to create an account to use HVAC Load?
No. HVAC Load works without any signup. We only ask for an email if you decide to subscribe to a paid plan.

Explore More