# steamventcalc.com

Field calculators and short guides for one-pipe steam vent sizing and hydronic outdoor-reset / injection-mixing controls. Estimate only — not a substitute for licensed HVAC design. Capacities and formulas are cited on each page (Gill & Pajek / Gorton for steam; Taco iSeries literature for hydronic).

## Calculators
- https://steamventcalc.com/main-vent
- https://steamventcalc.com/radiator-vent
- https://steamventcalc.com/outdoor-reset
- https://steamventcalc.com/injection-mixing

## Free single-question tools
- https://steamventcalc.com/tools
- https://steamventcalc.com/tools/mixing-valve-calculator
- https://steamventcalc.com/tools/radiator-vent-speed-calculator
- https://steamventcalc.com/tools/gorton-2-main-vent-calculator

Open-source formulas: https://github.com/mongocyber/steam-hydronic-formulas

## Guides
- https://steamventcalc.com/guides
- https://steamventcalc.com/guides/gorton-2-how-many
- https://steamventcalc.com/guides/gorton-c-or-d
- https://steamventcalc.com/guides/hoffman-1a-vs-gorton-c
- https://steamventcalc.com/guides/dont-oversize-thermostat-vent
- https://steamventcalc.com/guides/cold-upstairs-radiator
- https://steamventcalc.com/guides/steam-main-air-volume
- https://steamventcalc.com/guides/vent-oz-and-minutes
- https://steamventcalc.com/guides/outdoor-reset-curve
- https://steamventcalc.com/guides/injection-mixing-gpm-cv