Building automation and controls design — the part of a building that makes the rest of it work together. Twenty-five years in HVAC. This is where I keep what I make.
John C. · Senior Associate, MEP consulting · New York / New Jersey
Tools
15 live →- BMS Trend AnalyzerTrends · BMS
- Psychrometric CalculatorCalc · HVAC
- Valve SizingValves · Hydronics
- Economizer HoursEconomizer · Free cooling
- Weather Bin GeneratorWeather · EPW
- Degree Day CalculatorWeather · HDD
- Weather File ValidatorWeather · Validate
- USHCN Estimate CheckerUSHCN · NOAA
- Unit ConverterUnits · HVAC
- Conduit FillConduit · NEC
- Pipe SizingPipe · Hydronics
- Duct PressureDuct · Airside
- Fan LawsFans · Affinity
- Pump LawsPumps · Affinity
- One-Time PadEncryption · Cipher
Explainers
4 live →Interactive walkthroughs of how the equipment actually behaves — move a pressure or a command and watch the mechanism respond.
Articles
Notes on controls, sequences, and what buildings actually do versus what the drawings say.
News
A daily briefing by topic — controls and automation, building codes, HVAC deals, and the wider technology beat. Today's briefing.