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A Targeted Retro Fit Tile Project: Erasing the "Thermal Gap" in an Open-Concept Kitchen

Achieving total thermal harmony in a 402 sq. ft. kitchen and dining area with a high-efficiency floor warming system.

Kildeer, IL
A Targeted Retro Fit Tile Project: Erasing the "Thermal Gap" in an Open-Concept Kitchen
Size: 495 sq.ft. Voltage: 240V Wattage: 6033 W Amps: 25 A Flooring: Tile, Marble or Stone Cost/hr *: $0.72

Tile Floor Radiant Heating

A kitchen peninsula often acts as more than just a physical barrier—it’s a thermal one. When the Billen family decided to remove theirs to create a unified, open-concept hub, they were met with a hidden hurdle: a literal cold spot right in the middle of their new floor plan. By executing a precision retro fit tile project, they ensured their architectural upgrade felt as good as it looked, maintaining edge-to-edge comfort without disrupting the floor’s profile.


Project Details

  • Location: Kildeer, IL
  • Heated Space Type: Kitchen / Open Concept Eating Area
  • Flooring / Surface Type: Tile
  • Coverage Type: Full Coverage (402 sq. ft. total project area)
  • System Type: Radiant Floor Heating
  • Voltage: 240V
  • Wattage: 6,033 W
  • Amps: 25 A
  • Operating Cost:
    • Per Hour: ~$0.72 (based on local electricity rates)
    • Per Day: ~$2.16 (based on 3 hours of active heating)
    • Monthly: ~$64.80 (seasonal usage)
  • WarmlyYours Products Used: * TempZone™ Flex Rolls (240V)

Bridging the Thermal Gap in Kitchen Design

The Billen family’s kitchen was already the heart of their home, largely due to the radiant floor heating that had turned the room into a warm social hub. However, the original layout was physically divided by a peninsula counter that restricted movement between the kitchen and the dining area. To create an expansive, unified space, Julia Billen decided on a reconfiguration: removing the peninsula and adding that counter space to the existing island.

This architectural improvement created an immediate technical dilemma. Removing the old cabinetry exposed a section of the floor that had never been heated, leaving a literal thermal gap right in the middle of the new high-traffic walkway. Because stone and tile are natural heat sinks, this newly opened space would have remained uncomfortably cold compared to the rest of the room, disrupting the flow and comfort of the home.

To solve this, the team executed a focused intervention. As a retro fit tile project, they pulled up the tile and installed a TempZone™ Cut & Turn Roll directly into the newly exposed gap. Julia Billen noted that the heating mats were thin enough to be installed easily under the new tile, ensuring the "patched" area remained perfectly level with the original floor.

Featured Products

  • TempZone™ Flex Rolls: The ultimate problem-solver for irregular footprints. Its "cut-and-turn" design allowed the team to bridge the specific cold spot left by the old peninsula, ensuring no cold patches remained in the new walkway.
  • nSpire Touch Thermostat: This programmable controller allows for precise scheduling, ensuring the kitchen is warm for the morning rush while maximizing energy efficiency during off-hours.
  • nJoin 2.0 Power Module: Engineered for large-scale radiant floor heating projects, this module allows a single thermostat to manage the entire 402 sq. ft. area, providing consistent heat across the entire kitchen.

* This expansive 402 sq. ft. system operates at approximately $0.72 per hour. For a typical morning and evening heating cycle, this equates to roughly $2.16 per day—a small price for total home comfort, improved safety for bare feet, and the elimination of "cold zones" forever.

Frequently Asked Questions

Showing all 4 questions

Not necessarily. In this 402 sq. ft. Kildeer kitchen, the system costs about $0.72 per hour of active heating. Because radiant heat warms objects and people directly, many homeowners find they can lower their central
Yes. As seen in this project, floor warming is highly adaptable. If you are removing a peninsula or island, you can install a "Cut & Turn" roll in the newly exposed area to match the comfort levels of the existing floor.
The TempZone™ Flex Roll is extremely low-profile. When installed under tile or stone, it sits within the thinset or self-leveling underlayment, meaning there is virtually no noticeable increase in floor height, making it ideal for "surgical" remodels.
Typically, a tile floor will reach its set temperature in 30 to 60 minutes. Using a programmable thermostat like the nSpire Touch allows you to automate this process so the kitchen is warm exactly when you start your day.

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