HVAC Calculator Load Lite
Built for HVAC Specialists
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
The fast, simple, field-ready HVAC load calculator - built for Home Service Professionals.
HVAC Calculator Load Lite gives technicians, comfort advisors, and sales professionals a quick and reliable way to size furnaces and air conditioners without spreadsheets, manual formulas, or slow, complicated software.
Designed for speed, clarity, and accuracy, this Lite version keeps the essentials:
• Clean, easy-to-use interface
• Fast HVAC load estimates
• Residential heating & cooling BTU calculations
• Climate and temperature-aware results
• Clear outputs you can share or reference on any job
Perfect for quoting, service calls, replacement consultations, and quick load checks - right in the field.
Who It’s For?
• HVAC technicians & installers
• Comfort advisors & sales reps
• Home service contractors
• Residential retrofit professionals
• Anyone who needs fast HVAC sizing without complexity
What You Can Do With HVAC Calculator Load Lite
• Size furnaces and air conditioners quickly
• Complete residential BTU calculations in minutes
• Generate climate-aware load estimates
• Reduce sizing mistakes caused by guesswork
• Improve customer confidence during estimates
• Speed up replacement consultations
• Equip your team with a consistent sizing method
Why Pros Use It
Traditional Manual J software is slow, technical, and difficult to use on a jobsite.
Rule-of-thumb estimates create mistakes, callbacks, and lost trust.
HVAC Calculator Load Lite solves both problems.
It delivers practical, real-world HVAC sizing you can use instantly - right from your phone or iPad.
Ideal For
• Quick load calculations during customer visits
• Fast estimates before running full Manual J
• Techs who want an easy sizing tool
• Sales professionals who need speed & accuracy
• Companies looking for consistent, repeatable sizing
Key Benefits
• Fast, field-tested HVAC BTU calculations
• Simplified heating & cooling load estimates
• Helps reduce under-sizing and over-sizing errors
• Boosts homeowner confidence during sales calls
• Less time doing math, more time serving customers
• Intuitive design made specifically for mobile use
HVAC Calculator Load Lite gives you the essential HVAC sizing tools you need - without the complexity - so you can quote faster, reduce mistakes, and deliver better customer service.
Download now and size HVAC systems with clarity and confidence.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://cozy-home-calc.lovable.app/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Improved HVAC load calculation accuracy for more reliable BTU results
• Enhanced sizing logic for furnaces and air conditioners
• Improved mobile workflow and input experience
• Performance upgrades for faster calculations
• General stability improvements and bug fixes
HVAC Load Lite delivers fast, simple, and accurate HVAC load calculations, including BTU sizing, AC sizing, furnace sizing, and Manual J–style estimates - perfect for quick, reliable results in the field.
The developer, Ryan Perchak, 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
- Ryan Perchak
- Size
- 4.9 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 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+
- In-App Purchases
Yes
- Weekly Access $1.99
- Yearly Access $89.99
- Copyright
- © 2026 HVAC Load Pro
