Coastal Comfort: A Luxurious Master Bathroom Transformation in Hilton Head Island, SC

The design team at Building Innovations LLC dba Winslow Design Studio sought to elevate this 112 sq. ft. master bathroom from simply beautiful to truly luxurious. The primary challenge was overcoming the cold, hard feel of the elegant tile and marble flooring, which is common in coastal homes. By installing a 72 sq. ft. TempZone™ Flex Roll system, WarmlyYours provided a solution that adds consistent, gentle radiant warmth, enhancing the room's comfort and adding significant daily value to this high-end Hilton Head home.

Project Details

Location: Hilton Head Island, South Carolina
Heated Space Type: Master Bathroom
Total Square Footage: 112 sq. ft.
Heated Square Footage: 72 sq. ft.
System Specs: 1080 Watts, 120 Volts, 9 Amps
Operating Cost: ~ $0.16 per hour
Products Used: TempZone™ Flex Roll, nSpire Touch WiFi Thermostat
Installer: Building Innovations LLC dba Winslow Design Studio

Conquering Cold Tile with Radiant Warmth

In a high-end coastal market like Hilton Head Island, luxury is in the details. The team at Winslow Design Studio knows that even the most beautiful marble and tile floors can feel unpleasantly cold, detracting from an otherwise perfect master suite. For this 112 sq. ft. bathroom, they needed an electric floor heating solution that was both powerful enough for the large space and simple to install under the premium flooring.

The TempZone™ Flex Roll was the ideal choice. The 1.5’ x 48’ roll was quickly laid out by the installation team, covering the 72 sq. ft. of primary standing area—from the vanity to the entrance of the shower. The system was then seamlessly embedded in thinset mortar before the tile was laid, ensuring a completely invisible and silent source of heat.

The result is a true spa-like retreat. The in-floor heating system transforms the room, providing wall-to-wall radiant warmth that rises gently from the floor. Paired with a smart-control nSpire Touch WiFi thermostat, the homeowners can program the floor to be warm when they wake up, adding an element of efficient, automated luxury that perfectly complements the home's design.

Frequently Asked Questions

1. How much does it cost to run heated floors in a master bathroom in South Carolina?

The operating cost depends on the system size and your local electricity rates. For this 72 sq. ft. heated area in South Carolina, it costs about $0.16 per hour. A smaller 35 sq. ft. bathroom in the same area might cost only $0.08 per hour to run.

2. What type of flooring works best with TempZone™ heating system?

This project uses tile and marble, which are ideal conductors for radiant floor heating. The heat transfers efficiently through the stone, warming the surface and the entire room. Electric floor heating also works great under laminate, vinyl (LVT), and engineered wood floors.

3. Is electric radiant floor heating energy efficient?

Yes. Radiant heating is very efficient because it heats the objects and people in the room directly, rather than just heating the air (like forced-air systems). This provides a more consistent, comfortable warmth and often allows you to set your main thermostat a few degrees lower, saving energy.

4. Can TempZone™ system be the main heat source in this bathroom?

In many cases, yes. While this system provides significant "comfort heat," a full-coverage radiant floor heating system in a well-insulated room can often serve as the primary or sole heat source, eliminating the need for drafty vents or bulky radiators.