HVAC Formulas Tech Calculator

Get this often updated and well maintained HVAC calculator. Having just completed a major update to the app, more is soon to come!

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.