Features

Use HVAC Buddy to enter refrigerant, temperatures, and pressures. The math is done for you to display Superheat or SubcoolingTarget, Actual, and Difference.

Overview

if the early outdoor temperature is 75F and you charge the system to a “beer can cold” suction line your system is likely improperly charged. Later in the afternoon high temperatures will increase head pressure and the resulting overcharge means a lower than desired superheat and wasted energy. Not good!

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What Others Say

HVAC Buddy ranked #2 in ContractingBusiness.com readers choice of top 10 contracting apps

HVAC Buddy Applications

We provide a suite of HVAC Field Service Applications

Available on Apple and Android

Field service applications designed to improve your workflow and productivity.

HVAC Buddy Load Calc allows you to enter all the construction characteristics relating to heat gains and losses for the purpose of calculating the total building loads for heating and cooling. This app simplifies the process of collecting and recording information for presentation in a meaningful context. For this or any app of this nature you must be familiar with and have knowledge of construction materials and measuring skills to do a load calculation. In other words, the data entered must be good and accurate for meaningful results. Comes with a "Default" project containing all the construction types. Whenever new loads are created they may be copied from the Default project or any other load within the project. Create new Projects by copying from the Default project or create your own template projects to improve efficiency. Project may be filtered by staus - New, Template, Scheduled, or Complete. Comes with one Example Project in three stages. The first stage "Ex 1 Block" is a simple block load analysis with inefficent ducting. The second stage "Ex 1 Block w/Improved Ducts" shows the improved lower loads resulting from improvements in duct sealing as well as moving to R8 material in the ducts. The third stage "Ex 1 Block w/Rooms" is the same house with room by room loads. Loads: Above Grade Walls, Basement Walls, Ceilings, Floors, Partition Ceilings, Partition Walls, Doors, Windows, Skylights, Blower Heat, Infiltration, Ventilation, and Internal Gains. Opening Area Calculation: Calculates and automatically subtracts opening area for walls with attached doors and windows. In addition, if you elect to specify a wall orientation windows associated with the wall can optionally inherit the wall orientation.

The best and number one selling duct sizing tool for Android devices with thousands of happy users. For less than the cost of a cardboard wheel ductulator always have a fast, accurate way to analyze ducts for design (by Airflow) or existing installations (by Size). Airflow Tab • Calc decimal and rounded sizes for any aspect ratio • Solve for Volume, Aspect Ratio, Friction, or Velocity Size Tab • Calc Friction and Velocity given duct size Settings Tab: • Enter various units - Airflow (cfm, m3/s, l/s, m3/hr) Friction (in/100', Pa/30m), Duct Sizing (in, cm), Velocity (ft/min, m/s) • Define standard air - Altitude (ft, meter), Temperature (Fahrenheit, Celsius), Relative Humidity (pct) • Displays calculated Kinematic Viscosity (ft2/s) and Specific Volume (ft3/lb)

Refrigerant PT Chart • 75 Refrigerants • Pressure Units psig/inHg, kPag, kPa, psig, psia, atm, inHg, MPa, barg, bara • Temp Units °F, °C, Kelvin

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Purchase

Available in Apple App Store and Google Play