HVAC Size Calculator
A Manual-J-lite sizing tool — square footage, climate zone, insulation — that captures leads from “what size AC do I need” searches and hands off to a proper load calculation.
Live now on Enviro Heating & AirClick the screenshot to open the real, live instance.
Everything included when you order this component.
Every line below is delivered on the HVAC Size Calculator build. Nothing gets pulled out for an upsell — this is what you get for $900.
- Square-footage + climate-zone inputs
- Tonnage / BTU output with range
- Result-gate lead capture (zip + email)
- Auto-CTA to book Manual-J
- SEO landing per city
This is the HVAC Size Calculator running in production.
AC-sizing calculator that estimates tonnage from square footage, live on the Houston build
A few quick questions when you check out.
Just enough for the team to scope your build without a back-and-forth. Everything else gets confirmed on your kickoff call.
- Which equipment types should it size?Required
We tune the sizing logic to what you actually install.
Often ordered together.
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Add HVAC Size Calculator to your website.
$900 one-time · 6–10 business days · nothing billed until scope is confirmed and you approve the quote.