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.
Get free auto quotes. Compare rates and speak with a personal agent via text or live video. Explore additional coverage options including commercial, workman's comp, boat, motorcycle, and health .
The app calculates the required cooling capacity for cold rooms. Users input installation data into four tabs to see instant calculations for cooling and freezing conditions.
Adjust pump parameters like size, stroke length, and strokes per minute to calculate production output in imperial or metric units. Monitor maximum linear stroke velocity to ensure it does not exceed sucker rod fall speed.
Manage account balances, credit limits, and transactions. Pay invoices and order replace cards. Enable or disable cards and update card limits. Add or update user profiles and adjust notification settings. Live chat with support.