Accurate residential load calculations prepared by a licensed Mechanical PE.
Manual J, S, and D calculations prepared individually or as a coordinated package. Available as standalone services or as add-ons to any COMcheck or REScheck order. Prepared by a licensed Mechanical PE — not just software output.
Room-by-room heating and cooling load calculation per ACCA Manual J. Required for correct equipment sizing. Prevents oversized equipment, high energy bills, and occupant discomfort. Required by most jurisdictions for permit submittal.
Equipment selection report per ACCA Manual S. Verifies that the chosen heating and cooling equipment meets the load requirements from Manual J. Documents the selection basis for permit and contractor records.
Duct sizing and layout design per ACCA Manual D friction rate method. Ensures proper airflow to each room. Prevents pressure imbalance, noise, comfort complaints, and equipment short-cycling after installation.
Complete residential calculation package — Manual J, S, and D — coordinated as a single deliverable. The most complete residential submittal. Bundled discount applied. Most contractors and homeowners on quality builds need all three.
Deliverables
What You Provide
Add Manual J, S, or D to any energy compliance order and save time — we’ll coordinate the inputs across both deliverables. Select the add-on at checkout on the COMcheck & REScheck page.
Standalone calculations are quoted individually based on project complexity and drawings provided. Submit the form below and you’ll receive a scope and fee within one business day.
Tell us what you need and we’ll send a scope and fee confirmation before work begins.
Send your drawings and project details. Receive a clear scope, fee, and schedule.