Wrightsoft Right-Suite Universal review

Right-Suite Universal ranks first because it covers the whole residential job in one Windows program. You sketch the house in Right-Draw, the software calculates ACCA Manual J loads and Manual S equipment selection, and Manual D duct design follows from the same model. Wrightsoft's Hotlink technology builds the parts takeoff list and the customer proposal as you finish each step, so a design change shows up in the price without retyping. The Residential package also covers radiant panel loops, high-velocity ducts, geothermal design, energy and cost comparison, and duct balancing, with links to RESCheck, COMCheck, REM/Rate and ENERGYPro for permits and ratings. Commercial users can buy the Commercial-Only package or add Manual N and ASHRAE loads to the residential one. Both packages cost $900 a year in the US. The limits are the platform, since it runs only on Windows, and the depth, which takes some training before it feels fast.

Who it is for

Residential and light commercial HVAC contractors who want Manual J, S and D, duct layout and a customer proposal from one drawing.

Price

$900 a year for the US Residential or Commercial-Only package.

Annual Subscription, USD, U. S. Version (Canada version is available) $900
Quoted from the vendor pricing page on November 10, 2026.

Key features

• ACCA Manual J and S loads with ACCA Manual D duct design in the Residential package
• Right-Draw drag-and-drop drawing that produces a load from a floor plan
• Hotlink technology that updates parts takeoff and the customer proposal as each design step is finished
• Radiant panel loops, high-velocity ducts, geothermal design, energy analysis and duct balancing
• Links to RESCheck, COMCheck, REM/Rate, ENERGYPro and Energy Gauge USA

Strengths and weaknesses

• Strength: Loads, ducts, takeoff and proposal share one project, so changes flow through
• Strength: Commercial Manual N and ASHRAE loads can be added to the Residential package
• Strength: Published annual price in US dollars
• Weakness: Windows only; Mac users need an emulator such as Parallels
• Weakness: Commercial loads and ducts are paid add-ons on the Residential package
• Weakness: Full desktop suite takes longer to learn than a browser calculator

Key facts

• Price: $900 a year, US version
• Packages: RSU Residential and RSU Commercial-Only
• Platform: Windows desktop, plus cloud-based mobile apps for whole-house block loads
• Standards: ACCA Manual J, S, D and Manual N (add-on), ASHRAE loads and ducts (add-on)

Where it ranks

Wrightsoft Right-Suite Universal is No. 1 in our Best HVAC Design Software verdict.