HVAC engineering
LoadSizer
Room-by-room heating and cooling estimates. Find the right AC size, right on site.

Concept artwork inspired by the app. Explore the actual interface below.
WHAT IT DOES
A closer look.
- 01Quick estimates or detailed room construction inputs
- 02Cooling load breakdown and AC sizing guidance
- 03Multiple rooms, projects and PDF reports
The actual experience.
Swipe to explore. Open a screenshot to see it in full.
Support & information
Privacy policy ↗Product support ↗Email support ↗Keep exploring.
Good things start
with a conversation.
An app question, a little feedback, or something you have in mind. I’d love to hear it.
Send me an email ↗[email protected]







