The 3,000 sq ft of snow-melt at this Castle Rock home is melted using a Triangle Tube Prestige Solo 399,000 Btu wall hung boiler. Included in the snow-melt area is the driveway, courtyard, sidewalk, steps, and dog run. The 3/4” Europex Oxy Pex tubing is installed over 1” Dow Rigid Board Insulation (R-5). The system as controlled automatically with a Tekmar #665 snow and ice-melt control with a 090 slab sensor.