Sunroom additions offer beautiful views and abundant natural light, but their extensive glass walls and traditional tile floors frequently turn them into uncomfortably cold zones during the cooler months. The homeowners in West Springfield, Virginia, faced this exact challenge, finding their beautiful new addition virtually unusable during autumn and winter. By installing a custom WarmlyYours radiant floor heating system, they successfully neutralized the chill of the masonry flooring, transforming the space into a cozy, year-round family oasis.
Project Specifications
| Specification | Detail |
| Location | West Springfield, Virginia |
| Space Type | Sunroom / Home Addition |
| Flooring / Surface Type | Tile, Marble, or Stone |
| System Type | Electric Radiant Floor Heating |
| Total Square Footage | 167 sq. ft. (Insulated Area) |
| Heated Area (Coverage) | 125 sq. ft. |
| Technical Specs | 120V / 1396W / 12A |
| Wattage per Sq. Ft. | 3.7W per linear foot |
| Cable Spacing | 3-inch alternating spacing |
| Products Used | TempZone™ Floor Heating Cable, nSpire Touch Thermostat, TC-MEM-BL-162 Membrane, Circuit Check |
| Operating Cost | $0.22 per hour |
| Professional Installer | Moss Building & Design |
Defeating the Sunroom Shiver: From Ice-Cold Slate to Barefoot Comfort
The Problem
When planning a premium sunroom addition, the team at Moss Building & Design knew that stone or tile flooring would provide the durability and timeless aesthetic the West Springfield homeowners desired. However, tile is inherently high in thermal conductivity, meaning it rapidly draws heat away from bare feet. Combined with the high glass-to-wall ratio typical of sunrooms, the space was highly susceptible to uneven room comfort and localized draftiness, threatening to make the luxury addition a seasonal-only feature.
The Solution
To remedy the issue before the flooring was permanently set, the design team specified an in-floor heating layout using the WarmlyYours TempZone™ Cable system. This system allows installers to custom-tailor coverage around the specific perimeters of uniquely shaped rooms. The heating cables were embedded directly beneath the tile layer within a specialized uncoupling membrane, ensuring the thermal energy would move directly upward into the floor surface rather than dissipating.
The Outcome
The completed sunroom now delivers consistent, enveloping comfort that rises from the floor up. Instead of fighting cold drafts with loud, inefficient space heaters, the homeowners enjoy silent, gentle floor warming. The addition is now a functional, high-value asset to the home 365 days a year, demonstrating that luxury tile can feel just as warm and inviting as plush carpeting.
Featured Products
- TempZone™ Floor Heating Cable (120V): This premium, twin-conductor heating cable delivers targeted thermal output exactly where it is needed. Its ultra-low profile ensures that floor heights are not awkwardly raised during renovations.
- nSpire Touch Thermostat: Featuring a highly intuitive color touchscreen and a built-in floor sensor, this programmable control allows the homeowners to schedule their floor warming around their actual routines, optimizing energy efficiency.
- TC-MEM-BL-162 Uncoupling Membrane: This versatile underlayment simplifies cable installation with its pre-spaced stud design while providing essential crack-isolation and waterproofing protection for the tile assembly.
- Circuit Check (SS-01): A vital safety and quality control tool that monitors the electrical integrity of the heating elements throughout the thinset application process, alerting installers immediately if accidental damage occurs.
