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Luxury Warmth for a Master Bathroom in Crystal Lake, IL

A WarmlyYours TempZone™ Cable Solution Brings Complete Floor Warming Comfort to a Tile Bathroom.

CRYSTAL LAKE, IL
Luxury Warmth for a Master Bathroom in Crystal Lake, IL
Size: 52 sq.ft. Voltage: 120V Wattage: 444 W Amps: 4 A Flooring: Tile, Marble or Stone Cost/hr *: $0.06

This Crystal Lake homeowner sought to transform their master bathroom from a chilly, uninviting space into a high-end personal retreat. By partnering with Diamond Bath, LLC., they integrated an energy-efficient electric floor heating system that eliminates the bite of cold tile. The result is a fast-responding, luxurious floor warming solution that adds significant value and comfort to the home for just pennies a day. 


Project Details

LocationCrystal Lake, IL
Heated Space TypeMaster Bathroom
Square Footage38 sq.ft.Heated Area) / {52 sq.ft.}(Total Room)
Watts, Volts, Amps444 W, 120 V, 3.7 A
Operating Cost Per Hourapprox $0.06
Cable Spacing3.75 inches (Standard for high heat output)
Watts Per Sq. Ft.12 Watts (Optimized for tile and stone)
Products UsedTempZone™ Floor Heating Cable, nSpire Touch Thermostat
InstallerDiamond Bath, LLC.

Perfecting a Cold Bathroom Floor with Radiant Comfort

The primary challenge for this project was the notorious "icebox effect" of natural tile during harsh Illinois winters. While the master bathroom featured beautiful stone aesthetics, the surface was uncomfortably cold to the touch, making the home's central heating feel inadequate. Diamond Bath, LLC. was tasked with installing a powerful system that could provide consistent warmth without requiring a major subfloor overhaul.

The solution featured a custom-designed TempZone™ Cable system. By selecting a cable spacing of 3.75 inches, the team achieved a robust output of 12 watts per square foot. This ensures a dense, even heat distribution across the entire 38 sq. ft. heated area. By installing the heating element directly beneath the tile and stone, the team achieved a supremely comfortable surface that radiates heat upward, warming both the floor and the people standing on it.

Controlled by the intelligent nSpire Touch Thermostat, the system is now programmed to follow the homeowner's daily routine. This ensures the bathroom is cozy the moment they wake up while maintaining peak energy efficiency during the hours the room isn't in use. This installation by Diamond Bath, LLC. successfully turned a functional room into a daily spa-like experience.

Featured Products

  • TempZone™ Floor Heating Cable : The core of the system. This free-form cable allows for maximum design flexibility, perfect for maneuvering around fixtures and ensuring 100% coverage of the open floor space in irregularly shaped bathrooms. It provides uniform, powerful in-floor heating and is safe for installation under tile.
  • nSpire Touch Thermostat: A sleek, programmable thermostat with a 3.5-inch color touchscreen. It features an energy-saving schedule, an integrated Class A GFCI for safety, and tracks energy use, promoting energy efficient heating and easy control of the floor warming.
  • Prodeso Membrane Roll TC-MEM-BL-054: This polypropylene uncoupling membrane serves as a vital subfloor layer.2 Its design holds the TempZone Cable securely while preventing cracks in the tile flooring by isolating the floor from subfloor movement.3 It allows for fast, same-day installation.
  • Electrical Rough-in Kit FHE-ROUGH-IN-KIT-S3: A comprehensive kit containing all necessary electrical components (including a single-gang box, flexible conduit, and bushings) for the safe, code-compliant installation and wiring of the thermostat and heating cables. This kit simplifies the electrical portion of the project.
  • Circuit Check: An essential tool used during installation to continuously monitor the heating cable for any damage, ensuring a successful and worry-free project start.5

* This 38 sq. ft. system in Crystal Lake costs approximately $0.06 per hour to run. That breaks down to just $0.51 per day (for 8 hours of use)—offering premium radiant comfort for a minimal monthly expense of roughly $15.40.

Frequently Asked Questions

Showing all 4 questions

The operating cost is very low! This particular 444-watt system in Crystal Lake, IL, with an average electricity rate of 14.44¢/kWh costs only about $0.51 per day to run for{8 hours}. It’s a very cost-effective way to get supreme comfort compared to running a traditional space heater or boosting your central HVAC system.
Yes, in this 38 sq. ft. master bathroom, a powerful radiant floor heating system like the TempZone™ Cable is often enough to serve as the primary heat source (Full Coverage) and keep the room comfortable. Its ability to heat surfaces directly (like the tile flooring) rather than just the air means the warmth is effective and consistent.
The TempZone™ Cable system is ideal for installations beneath non-carpeted surfaces, and it is perfect for tile. These materials conduct and hold heat very well, creating a lovely thermal flywheel effect that keeps the floor warm long after the system turns off, boosting the energy efficient nature of the system.
Absolutely. Electric floor heating is highly energy efficient because it uses line-of-sight radiant heat to warm objects and people directly, not the air. When installed with a programmable thermostat like the nSpire Touch, you only use energy when needed, and the low wattage requirements mean a minimal operating cost for high comfort.
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