Terms of Service & Disclaimers
Effective: August 2026
1. Acceptance of Terms
By accessing and using Engg. Calculator, you acknowledge and agree to comply with and be bound by these Terms of Service.
2. Professional Engineering Disclaimer
The engineering, mechanical, electrical, and construction calculators provided on this website are designed for educational, preliminary planning, and estimating purposes only. While calculations are formulated in accordance with the National Electrical Code (NEC), ASHRAE, ACCA, and ASTM standards, Engg. Calculator does not guarantee that results will fulfill all jurisdictional, local building code, or site-specific engineering requirements.
Always consult a licensed Professional Engineer (PE) or your local Authority Having Jurisdiction (AHJ) before procuring equipment, pulling permits, or performing physical construction and electrical installations.
3. Limitation of Liability
In no event shall Engg. Calculator, its authors, contributors, or affiliated entities be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising from the use of or inability to use the calculators or calculation results.
4. Intellectual Property
Mathematical formulas and public engineering standards (such as NEC tables) remain the respective standard references of NFPA, ASHRAE, and ASTM.