
HVAC Logic
OhmNexus
HVAC-Calc
Omni Calculator
Solve Elec
HeatPumpWise
Engineering Equation Solver
Free, accurate engineering calculators for HVAC, Electrical, Plumbing, Construction, Mechanical, and Manufacturing professionals. Instant results with metric and imperial units.

Recipe Reel
AI powered recipe/shopping list sharing app

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Website, pricing, platforms and company facts side by side.
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| Website | calcengineer.com | recipio.app |
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OhmNexus is a platform of electrical calculators, design tools, guides and professional services for engineers, electricians, students, and makers. Every calculator and tool is engineered for accuracy and built on the NEC, IEC and IEEE standards.
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HVAC-Calc: The Heat Gain Heat Loss Calculator 1-888-736-1101, only $49 for do-it-yourself
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Helping you make rational decisions, one calculation at a time.
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Solve Elec is a free educational program to draw and analyze electrical circuits.
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