Comparison

HVAC Formulas Tech Calculator vs P3 HVAC Software Phone App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HVAC Formulas Tech Calculator

This app provides a comprehensive collection of HVAC formulas for technicians. It simplifies complex calculations for heating, ventilation, and air conditioning systems, saving time and effort compared to manual methods or general calculators. Designed by an industry professional, it offers an easy-to-use interface for quick access to essential formulas.

Highlights
  • Comprehensive HVAC formula collection
  • Formulas for air, fan laws, and heat
  • Simplified calculations for technicians
  • Easy-to-use interface
  • Designed by an HVAC technician
  • Saves time searching the web
Features
Read full description

HVAC stands for heating, ventilation and air conditioning systems. This system is responsible for heating and cooling and includes products like furnaces, air conditioners, heat pumps as well as ductwork, and thermostats. The most complete reference for HVAC technicians. Our goal is to provide every formula that a technician would use in the field. From air formulas to fan laws we try our best to include every HVAC formula. If it is not present in our app now, we have plans to have it. Find the most commonly used and not so commonly used HVAC formulas here. Some of our current HVAC formulas: -Mixed Air Formula -Latent Heat -Sensible Heat -Enthalpy -Both Fan Laws Save time searching the web. Avoid having to input data manually piece by piece. With an easy UI, you will be able get the answer you're looking with ease. This app is for HVAC technicians because it was made by an HVAC technician. With both fan laws present - rpm, cfm, and inches of water column become easier to work with. When trying to find the mixed temperature of air entering the return coil, one may find himself entering and re-entering data over and over again. That's because the average calculator was not designed for HVAC. Well this was! If you are in the industry of HVAC then more likely you will be dealing with HVAC calculations and formulas. Well, please enjoy the convenience that was designed for you.

About

P3 HVAC Software Phone App

This comprehensive tool helps residential HVAC companies manage operations, boost revenue, and enhance customer service. It offers real-time scheduling, customer history access, and automated call handling to streamline business processes.

Highlights
  • Real-time scheduling
  • Customer management
  • Call answering & outbound booking
  • Sales & service tracking
  • Mobile access for technicians
Features
Read full description

P3 HVAC Software – Powering Profitable HVAC Businesses P3 HVAC Software is the all-in-one solution designed to help residential HVAC companies streamline operations, increase revenue, and deliver top-notch customer service. Whether you're managing service calls, scheduling jobs, or tracking customer history, P3 gives you the tools to run your business efficiently—anytime, anywhere. Key Features: ▪ Real-Time Scheduling – Book and manage appointments seamlessly. ▪ Customer Management – Access service history, invoices, and job details instantly. ▪ Call Answering & Outbound Booking – Automate call handling and increase bookings effortlessly. ▪ Sales & Service Tracking – Boost ticket averages with recommendations and follow-ups. ▪ Tech-Friendly Mobile Access – Empower your team with easy on-the-go job updates. P3 HVAC Software is built to help you spend less time on paperwork and more time growing your business. Take control of your HVAC business today with P3!

Screenshots

HVAC Formulas Tech Calculator4 screens
P3 HVAC Software Phone App4 screens

Verdict

The call

The clearest difference is rating: P3 HVAC Software Phone App at 4.8 against HVAC Formulas Tech Calculator's 3.7. P3 HVAC Software Phone App also leads on review sentiment (75% vs 33%). HVAC Formulas Tech Calculator's advantage is update cadence (every 4 days vs every 3 weeks) and ratings volume (15 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

P3 HVAC Software Phone App holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews point the same way: 33% of HVAC Formulas Tech Calculator's written reviews are positive against 75% of P3 HVAC Software Phone App's.

UpkeepUpdate frequency

HVAC Formulas Tech Calculator ships an update every 4 days, P3 HVAC Software Phone App every 3 weeks. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
HVAC Formulas Tech Calculator versus P3 HVAC Software Phone App: the parameters behind the verdict, then further details
ParameterHVAC Formulas Tech CalculatorP3 HVAC Software Phone App
PriceFreeFree
Rating3.7 (15 ratings)4.8 (4 ratings) — better
Positive reviews33.3% of reviews75.0% of reviews — better
Number of ratings15 — better4
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size1 MB93 MB
Age rating4+4+
DeveloperSergio BostHVAC Business Solutions, LLC

Customer experience

HVAC Formulas Tech Calculator

All ratings15 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

P3 HVAC Software Phone App

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

None

HVAC Formulas Tech Calculator

No in-app purchases

None

P3 HVAC Software Phone App

No in-app purchases

Questions

Is HVAC Formulas Tech Calculator free?
HVAC Formulas Tech Calculator is free to download, with no in-app purchases.
Is P3 HVAC Software Phone App free?
P3 HVAC Software Phone App is free to download, with no in-app purchases.
Which has better reviews, HVAC Formulas Tech Calculator or P3 HVAC Software Phone App?
P3 HVAC Software Phone App is rated higher. HVAC Formulas Tech Calculator averages 3.7 out of 5 from 15 ratings, while P3 HVAC Software Phone App averages 4.8 from 4 ratings.
Do HVAC Formulas Tech Calculator or P3 HVAC Software Phone App have ads?
Neither HVAC Formulas Tech Calculator nor P3 HVAC Software Phone App shows ads.
Which is updated more often, HVAC Formulas Tech Calculator or P3 HVAC Software Phone App?
HVAC Formulas Tech Calculator ships an update every 4 days, and P3 HVAC Software Phone App every 3 weeks. Most recently, HVAC Formulas Tech Calculator was updated on November 3, 2026 and P3 HVAC Software Phone App on November 3, 2026.

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