Guides
Standards primers and buying notes for Manual J / load-calc software. No ranked winners.
Pricing
Manual J software pricing
Published pricing floors for Cool Calc, Wrightsoft RSU, Elite Rhvac, Conduit Tech, and Amply Energy. Cited vendor pages. No invented prices. No ranked winner.
Standards
What is Manual J and ACCA-approved load-calc software?
Plain-language primer on ACCA Manual J residential load calculations and why contractors check ACCA's approved software list. No invented stats.
comparison
Cool Calc vs Wrightsoft
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Cool Calc and Wrightsoft RSU. No ranked winner.
comparison
Cool Calc vs Elite Software (Rhvac)
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Cool Calc and Elite Rhvac. No ranked winner.
comparison
Wrightsoft vs Elite Software (Rhvac)
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Wrightsoft RSU and Elite Rhvac. No ranked winner.
comparison
Cool Calc vs Conduit Tech
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Cool Calc and Conduit Tech. No ranked winner.
comparison
Wrightsoft vs Conduit Tech
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Wrightsoft RSU and Conduit Tech. No ranked winner.
comparison
Elite Software vs Conduit Tech
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Elite Rhvac and Conduit Tech. No ranked winner.
comparison
Cool Calc vs Amply Energy
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Cool Calc and Amply Energy. No ranked winner.
comparison
Wrightsoft vs Amply Energy
Side-by-side look at published pricing, platform, and ACCA Manual J positioning for Wrightsoft RSU and Amply Energy. No ranked winner.