Tools & Calculators
Practical online tools built for homeowners, DIYers, and industrial professionals. All calculators run directly in your browser — no sign-ups, logins, or tracking scripts.
Heating & Energy Calculators
Compare costs, estimate savings, and plan system upgrades with accurate, data-driven HVAC tools.
- Mini-Split Efficiency & Cost Calculator
- Heat Load from Bills Calculator
- Energy ROI & Payback Analyzer (coming soon)
Work & Shift Tools
Plan shifts, rotations, and crew schedules with printable PDF generators designed for real plant operations.
Shop & Electrical Tools
Handy utilities for small shops and makers. Wiring helpers, load calculators, and automation tools.
Environmental & Compliance Tools
Tools for environmental professionals and industrial planners — emissions, water, and reporting aids.