ResDemand
NEC-Based Load Calculator
$14.99 · Designed for iPad. Not verified for macOS.
ResDemand is your on-the-go NEC-compliant residential load calculation tool. Designed for electricians and field technicians, this app makes it simple to calculate service demand loads accurately, using either the Standard or Optional method as defined in the National Electrical Code (NEC).
Key Features:
-NEC 220.42–220.82 compliant
-Supports Standard & Optional load calculation methods
-Add dryers, ranges, fixed appliances, HVAC, and motors
-Automatically calculates largest heat or cool load (NEC 220.60)
-Motor loads adjusted with proper demand factors
-Voltage support for 120V/240V inputs
-Summary view with full VA breakdown and minimum service size (83% rule)
-Export load summary to PDF for permitting or record-keeping
-Save and edit multiple project files offline with Hive-based storage
-Designed for field speed: smart UI, quick data entry, responsive layout
Who it's for:
Licensed electricians
Estimators and permit applicants
Field techs verifying panel or service sizes
Electrical apprentices learning the NEC
Compliant. Professional. Fast. Use ResDemand to bring clarity and confidence to every residential load calc - in the field, at the desk, or at the permit counter.
-Updated prefill for 'Additional Appliances' values with common values.
-Updated icon
-Bug fixes
The developer, John Stacy, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- John Stacy
- Size
- 37.8 MB
- Category
- Business
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 TapCrate

