Tools

Moist-air properties from dry bulb, pressure, and a second value (RH, wet bulb, or dew point). IP or SI.

Compressed-air and cost savings from replacing open blow-offs with engineered air-saver nozzles.

Lighting energy, cost, and demand saved by adding occupancy sensors to intermittently used spaces.

Energy, cost, and emissions savings from upgrading a cooling unit to a higher SEER rating.

Estimate heat gain and annual savings from insulating bare chilled-water piping.

Fit a three-parameter cooling change-point regression to energy-versus-temperature data.

Fit a three-parameter heating change-point regression to energy-versus-temperature data.

Fit a five-parameter change-point regression capturing both heating and cooling response.

Turn a grid of numbers into a configurable color heat map, then export it as an image.

Bikram Sambat month view with Gregorian dates side by side.

A minimal focus timer with work and break intervals, and nothing else to fiddle with.

Paste a Markdown table (say, from ChatGPT) and get a clean table you can drop into Word or Excel.

Password-protect any text with AES, then decrypt and copy, all locally in your browser.