Why Manual J still matters in existing homes
ACCA explains why replacement projects still need a known load and how proper residential design helps avoid comfort problems and callbacks.
Read ACCA updateCONTRACTOR PORTAL
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COMFORTIQ DESIGN ADMINISTRATOR
Submitted intake review
Open a submitted intake, check the highlighted questions, and choose the next step.Open J/S/D review demo
0submitted
1Open reviewCheck the intake and flags.
2Choose a statusNeeds information or Ready for calculation.
3Start RHVACOpen the worksheet and RHVAC Online.
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FROM TRUSTED HVAC SOURCES
HVAC News & Contractor Updates
Residential design, equipment, codes, refrigerants, and field guidance selected for ComfortIQ Design contractors.Guidance for extreme heat and wildfire smoke
ASHRAE highlights science-based building resources for professionals responding to air-quality concerns, extreme heat, and other health risks.
Read ASHRAE updateRefrigerant policy and A2L code updates
AHRI's 2026 industry sessions cover federal and state refrigerant activity, A2L building-code changes, and technician safety considerations.
Read AHRI updateIndustry summaries are independently prepared by ComfortIQ Design for informational purposes. ComfortIQ Design is not affiliated with or endorsed by ACCA, ASHRAE, or AHRI. All names and trademarks belong to their respective owners.
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COMFORTIQ DESIGN MOBILE ACCESS
ComfortIQ Design On the Go App
Install ComfortIQ Design on a phone or tablet so technicians can move room by room through a home, save intake details, and return to the same contractor account.1 Open ComfortIQ Design on the phone2 Install it to the home screen3 Sign in and continue projects
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Phone app information AHRI Directory ASHRAE ACCA Public websiteACCOUNT BILLING
Memberships, manuals, and credits
Choose pay-as-you-go service, upgrade for repeat-project savings, or prepay Manual J credits for your team.CURRENT MEMBERSHIPPay as you go$0 per month
AVAILABLE MANUAL J CREDITS0ready to assign
PAYMENT METHODNot connectedConnect during payment setup
MEMBERSHIP OPTIONS
Pick the level that fits your workload
Pay as you go
$0/ month
- Order only when you need a manual
- Standard project pricing
- One contractor login
- Invoices stored in your account
ComfortIQ Pro
$49/ month
- 5% off individual manual orders
- Priority scheduling
- Monthly benefits reset at the end of each billing cycle
- Email support for unclear intake items
ComfortIQ Company
$99/ month
- 10% off individual manual orders
- Up to five contractor users
- Consolidated company invoices
- Highest scheduling priority
ONE-TIME MANUALS
Buy one project without a membership
Manual J
$250/ project
Room-by-room heating and cooling loads with a professional report.
Manual J + S
$350/ project
Complete load calculation plus matched equipment selection.
Complete sizing package
$475/ project
Manual J and S plus duct sizing from contractor-supplied measurements.
PREPAID MANUAL PACKS
Build a custom manual pack
Choose the manual combination and enter exactly how many projects you want.
PREPAID MANUAL PACKS
Build a custom manual pack
Choose the manual combination and enter exactly how many projects you want.1–5 Standard price6–14 5% off15–29 10% off30+ 15% off
LIVE PRICE
10 Manual J projects
Regular subtotal$2,500
Volume discount−$125
Price per project$237.50
Total pack price$2,375
Simple credit ruleThe quantity purchased becomes credits for the selected manual combination. The price and discount update instantly before checkout.