Best Supercool Slide Rule Hvac Apps

250+ iOS apps curated and reviewed

3.5 avg rating
18 free apps
Updated September 2026

Out of 250+ supercool slide rule hvac apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Supercool Slide Rule Hvac Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SuperCool Slide Rule HVACSuperCool Slide Rule HVACFree4.2★ (185)NoNoAug 2026
2HVACR Check & ChargeHVACR Check & ChargeFree4.8★ (17K)NoNoSep 2026
3HVAC SchoolHVAC SchoolFree4.8★ (81)NoNoJul 2026
4Bluon HVACBluon HVACFree4.8★ (4.5K)YesNoSep 2026
5HVAC Expert AdvisorHVAC Expert AdvisorFreeNoYesMay 2026
6Fissco Supply HVACFissco Supply HVACFreeNoNoMay 2026
7P-T CalculatorP-T CalculatorFree4.8★ (52)NoNoAug 2026
8HVAC CommunityHVAC CommunityFreeNoNoSep 2026

Top Picks for Supercool Slide Rule Hvac

4.2😐(185 ratings)
Free
SuperCool Slide Rule HVAC screenshot 1
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This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.

What We Love

  • 👍 Great HVAC tool
  • 👍 Informative slide rule
  • 👍 Helpful for new techs
  • 👍 Quick and simple
  • 👍 Easy to use
  • 👍 All in one app
  • 👍 Invaluable in the field
  • 👍 Pocket reference
  • 👍 Good for duct sizing
  • 👍 Helps customers understand issues

Room to Improve

  • 🐛 Trial period issues
  • 🐛 App expires frequently
  • 🐛 Requires re-download
  • 🐛 Not worth the trouble
  • 🐛 App messed up
  • 🐛 Scrambled charts
  • 🐛 Junk app
  • 🐛 Paid version still has issues
  • 🐛 Free not free
  • 🐛 No cost upfront
  • 🐛 No way to purchase
  • 🐛 Closes itself
  • 🐛 No portrait mode
  • 🐛 No friction rate selection
  • 🐛 No quick duct sizing
  • 🐛 Inaccurate altitude
  • 🐛 Room calc issues
HVACR Check & Charge#2

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Strong Contender
🔍 Reference
4.8😊(17K ratings)
Free
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This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

What We Love

  • 🚀 Convenient
  • 🚀 Great program
  • 🚀 Reliable app
  • 🚀 Easy and quick charging reference
  • 🚀 Helps take away doubt when making a case
  • 🚀 Quickly analyzes conditions and factors
  • 🚀 Awesome Freon charging app
  • 🚀 Revolutionary app
  • 🚀 Very handy and easy to use
  • 🚀 Best helper ever
  • 🚀 Makes charging systems super easy
  • 🚀 Very good for superheat calculation
  • 🚀 Great reference
  • 🚀 Most accurate charge for R410A and R22
  • 🚀 Easy to use

Room to Improve

  • 🐛 Pressure settings not helpful
  • 🔒 Concerning privacy policy
  • 🐛 Restricted temperature range
  • 🐛 Crashes and bugs
  • 🐛 Doesn't work on Apple Watch
HVAC School#3

HVAC School by Kalos Services Inc.

By Techs For Techs
Worth Considering
📚 Education
4.8(81 ratings)
Free
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This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.

More Supercool Slide Rule Hvac apps to explore

FAQ about Supercool Slide Rule Hvac

What are the best supercool slide rule hvac apps for iPhone?
SuperCool Slide Rule HVAC tops our supercool slide rule hvac apps ranking as of September 2026, with a 4.2-star average from 185 App Store ratings, and it's free to download.
Yes — 18 of the top supercool slide rule hvac apps we rank are free to download, including SuperCool Slide Rule HVAC and HVACR Check & Charge.
SuperCool Slide Rule HVAC has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ supercool slide rule hvac apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides HVAC technicians with a comprehensive set of tools for diagnosing and solving complex HVAC problems. It offers interactive guides, on-screen instructions, and step-by-step repair assistance for various tasks.
Key features include superheat and subcooling charging calculations for popular refrigerants with corrective actions, duct sizing and layout calculators for different duct types, a compressor windings troubleshooter, and various HVAC conversion tools.