Pricing · Cancel any time

Free for trying. Pro when you ship to clients.

Name: BuildSolver
Brand: BuildSolver
Availability: InStock

ACCA-cited Manual J calculations and a branded client PDF in one click. Monthly or annual (two months free). Cancel from the billing portal at any time.

Available in US, Canada, Australia · USD pricing · Applicable GST/HST/PST/QST (Canada) or GST (Australia) added at checkout

Already a subscriber? Switch frequency (monthly ↔ annual), change tier, or cancel from /account → Manage Billing. Pro-rated charges apply for upgrades; downgrades take effect at the end of the current period.

I agree to the Terms of Service and Refunds & Cancellation Policy. I authorize Neurolinker AI LLC to charge my payment method $29 (Pro) or $79 (Team) USD every month until I cancel from /account — no fee. Applicable taxes (GST/HST for Canada, GST for Australia) are calculated and added at checkout. I acknowledge BuildSolver output is not a substitute for a licensed Professional Engineer and is not permit-grade, and I consent to electronic notices.

01 · Free

Free

For trying it out.

10 calculations / day · 50 / month
All HVAC tools (Manual J, S, D, psychrometrics)
Haiku 4.5 model
Chat history

02 · Pro

Pro

$29/ mo

Auto-renews monthly · Cancel any time

For HVAC contractors shipping quotes to clients.

Unlimited calculations (fair-use cap)
Sonnet 4.6 model (deeper reasoning)
Branded client PDFs
Priority response speed

03 · Team

Team

$79/ mo

Auto-renews monthly · Cancel any time

For multi-person shops.

Everything in Pro
Up to 5 seats (per-seat enforcement v1.1)
Custom logo on PDFs
Priority support