Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
Calculate dimensions by converting circular to rectangular equivalents. Determine ventilation parameters including diameter, airspeed, airflow, and dynamic pressure. Compute pressure drop for straight sections and systems.
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
Schedule home maintenance appointments for plumbing, electrical, air conditioning, and appliance repairs. Request periodic inspections to detect faults and ensure appliance performance.
Create and manage custom and database apps without technical expertise. Collect data in real-time via smartphones and tablets. Deploy to a workforce and access through a account.
Control and monitor your ’s temperature and schedule remotely. Adjust thermostat settings and balance room temperatures. View indoor air quality data when using a Air Quality Monitor. Manage advanced accessories from anywhere.
Find reference numbers for jacketing and elbows in PVC and metal. Calculate common measurements like O.D. and O.C. Select pipe and insulation sizes to retrieve data. Used by journeymen and apprentices in commercial and industrial settings.