R package to create heatmap via htmlwidget. You can Highlight rows/columns, zoom in / out and add clustering / dendrograms.
Details: rstudio d3heatmap
More examples:
- d3heatmap interactive heat maps
- Hierarchical cluster analysis

Example of 530 sensors / 107 days

library(d3heatmap)

d3heatmap - Daily Gap by Type

d3heatmap(Sensors_daily_D_Gap_Wide[,40:90], scale = "column", colors = "Blues", k_row=10)
## Loading required namespace: colorspace