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Quote faster. Win more jobs.
Field-ready, defensible block load calculations.

Turn a traced floor plan into accurate equipment sizing in minutes.

Your judgement. Accelerated.

Load calculations shouldn't slow down your sales cycle or leave your team guessing. RightSize HVAC streamlines the full calculation workflow so technicians can focus on the decisions that drive equipment sizing.

Faster quotes. Defensible reports. More jobs closed.

The RightSize Workflow

From a traced floor plan to a quote-ready load report in minutes.

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Geometry that does the work

Generate a 3D envelope from a traced floor plan. Add a grade plane, roofs, dormers, windows, and doors. RightSize handles the math.

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Fast construction assignment

Batch-select surfaces and assign construction profiles using presets or manual entry. Apply once and move on.

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Transparent calculations

See what's driving the load. Clear breakdowns. You control the inputs. No hidden factors.

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Field-ready reports

Quote-ready heating and cooling load reports. Branded for your business. No internet required.

Common Questions

Is this code compliant?

RightSize HVAC is pursuing formal certification as a load calculation software across North America. The methodology is aligned with Manual J and CSA F280 standards.

What does it account for?

All components as required by Manual J and CSA F280 standards. Conduction, orientation and time dependent solar gains, infiltration, ventilation, internal gains, distribution losses, and humidification. Visit the RESOURCES page for the full methodology.

What devices does it run on?

RightSize HVAC runs on iPad and iPhone today, with Android on the roadmap. Polished on tablets, fully functional on phones.

What's the learning curve?

Low. Your technicians know how to do load calculations. RightSize HVAC just accelerates the slow parts and guides the process. No formal training is needed. 

RightSize HVAC offers email support via team@rightsizehvac.com. Every email goes to the team that built the app, and we respond personally and promptly. Find documentation and tutorials on the RESOURCES page.

What if my team needs help?

Does it work without internet?

Yes. The app is fully functional without signal or internet access.

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Full access to RightSize HVAC. All features. All updates. No tiers.

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