About this app
Trusted by Home Service Professionals. HVAC Calculator Load Pro is a fast, accurate, and field-ready HVAC calculator designed for professionals who need confidence, clarity, and speed when sizing residential HVAC systems. Size furnaces, air conditioners, and natural gas equipment correctly - without spreadsheets, guesswork, or rule-of-thumb estimates. Unlike generic Manual J calculators, HVAC Calculator Load Pro is built specifically for real-world residential sales and service. With climate-aware calculations, wind factor considerations, and clear client-ready results, you can: • Build trust faster • Explain recommendations with confidence • Win more bids • Avoid costly sizing mistakes If you’ve ever struggled with traditional HVAC calculations, this app was built for you. Whether you’re: • Replacing a furnace • Adding air conditioning • Decoding a hot water tank • Sizing new natural gas appliances HVAC Calculator Load Pro helps you size equipment correctly in half the time - right from your phone or iPad. Ideal For: • HVAC technicians • HVAC sales professionals • Comfort advisors • Home service contractors • Residential retrofit specialists Key Benefits: • Fast, field-ready HVAC BTU calculations • Residential furnace & air conditioner sizing • Climate-aware calculations for accurate results • Reduces under-sizing and over-sizing errors • Helps explain system recommendations to homeowners • Saves time on every estimate and service call • Designed for sales techs, comfort advisors, and installers Stop relying on rough estimates or overly complex software. HVAC Calculator BTU Load Pro delivers professional-grade HVAC calculations in a simple, intuitive mobile app - so you can focus on serving customers, closing deals, and growing revenue. Download now and size HVAC systems with confidence.
Latest release
What’s New
• Enhanced HVAC Calculator accuracy and flow for better BTU load calculations • Improvements to mobile phone workflow • Updated AC sizing and furnace sizing calculations • Improved HVAC load calculation performance • Optimized Manual J style load calculator logic • Stability improvements for reliable HVAC sizing results HVAC Load Pro continues to deliver fast, accurate HVAC load calculations, BTU sizing, AC sizing, furnace sizing, and Manual J style calculations for HVAC professionals.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 16, 2026 · 4:59 PM Free
Screenshots
