No free alternative to Wrightsoft Right-Suite Universal yet
No free tool produces ACCA-approved Manual J loads for permits; free calculators found are block-load only and Cool Calc charges to see results.
About this gap
- Wrightsoft Right-Suite Universal, Residential package, annual
$900 USDa year
≈$1,283.13 CAD a year (converted from USD)
- Build effort
Months for a small team
An editor’s estimate for a free tool that ranks Strong.
- Demand
Nobody has asked for one yet.
What a free alternative needs
The capabilities that keep people paying for Wrightsoft Right-Suite Universal.
Room-by-room Manual J load calculations
Heat gain and loss by room with design conditions for the location and construction data.
Manual D duct design
Manual S equipment selection
ACCA approval for permit submissions
Floor plan drawing linked to loads
Why it is hard
ACCA approval is a certification process, and Manual J, D and S are ACCA publications with equipment data supplied by manufacturers.
Closest free options
No free tool covers a meaningful part of it yet.
Building one?
List your tool on Gratistack when it works. Once an editor maps it to Wrightsoft Right-Suite Universal, it shows on this page and in search, and the people waiting here can hear about it.
- Listing is free. An editor reviews the free queue every week.
- Want a decision sooner? The optional $49 fast-track gets one within 48 hours. It buys speed, not approval, and a rejection is refunded.
- Once it is listed as an alternative, you can sponsor the alternatives page for $149 per 30 days. Sponsors are labeled and never change the ranking.
About this page
Last checked : an editor confirmed that no free alternative ranks Strong.
Price: Residential package, annual, checked Oct 8, 2026. Price source. USD to CAD at 1.4257 as of Oct 7, 2026.
Know a free alternative? Tell us.
Wrightsoft Right-Suite Universal is a product of MiTek Wrightsoft, named here for comparison only.