The app performs ACCA Manual J8 residential load calculations for HVAC technicians and contractors. It allows users to email PDF reports to customers and building officials, and supports unlimited projects with detailed load breakdowns.
SHEET METAL CONTRACTORS NATIONAL ASSOCIATION, INC.
Estimate ductwork air leakage easily.
The app estimates air leakage from ductwork for engineers, architects, designers, and contractors. It determines pass/fail marks for Duct Air Leakage Tests and combines ductwork sections to calculate total allowable leakage.
The app performs detailed heating and cooling load calculations for residential buildings. It includes a weather database and data for construction types.
Schedule jobs and send invoices directly from the . Create and share quotes for client approval. Track payments and manage dispatching for teams. Integrate with accounting systems for streamlined billing.
Create and send professional invoices and estimates with customizable templates. Add logos, colors, and signatures. Track receipts and manage billing. Set payment terms and send reminders. Export documents in various formats.
The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.
™ 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.
The app calculates psychrometric properties of moist air, including dew point, wet bulb temperature, and absolute humidity. It offers three input modes and can replace a psychrometric chart for various applications.
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.
The app provides 2,450 practice questions and two full-length mock exams aligned with the July 9, 2026 exam outline and the PMBOK Guide, 8th Edition. It offers various study modes and performance analytics to help users prepare for the PMI PMP exam.