Description
AUTHORIZED DEALER The Kozy Heat SP41 is a slim-profile direct-vent gas fireplace engineered to fit where deeper fireplaces won’t — just 15 inches deep with a generous 33-5/8″ × 23-3/8″ viewing area and 28,000 BTU/hr of clean, efficient heat output. Available in three configurations (Light Edition, IPI, and millivolt) to match different installation contexts and budgets, the SP41 is the smart choice for retrofit installations into existing masonry fireplaces, tight wall cavities, and any space where standard 20-inch-deep direct-vent units don’t fit.
What Makes the SP41 Different
The slim profile is the SP41’s defining feature. At just 15 inches deep, the SP41 is significantly slimmer than most direct-vent gas fireplaces (which typically need 19-22 inches of depth). This opens installation possibilities that other models simply can’t match — tight masonry cavities, shallow wall framing, and retrofit situations where the existing opening doesn’t have the depth for a conventional unit.
Beyond the slim profile, the SP41 carries the design choices that make Kozy Heat the brand serious dealers and homeowners trust for cold-climate heating:
- Engineer-designed burner system — Kozy Heat’s proven traditional burner produces a clean, even flame across the full width of the firebox
- Ceramic glass — withstands higher operating temperatures than tempered glass; preserves clarity over years of heat cycling
- Included log set with Beach Accent Kit — the SP41 ships with a traditional log set and Kozy Heat’s signature Beach Accent Kit (no separate log set purchase needed, unlike the Nordik series)
- Front screen included — standard arched design (rectangular format optional)
- Three configurations available — LE, IPI, or MV to match your specific use case (see below)
- Generous 33-5/8″ × 23-3/8″ viewing area — wider visual presence than most slim-profile fireplaces in this class
Specifications
| Brand | Kozy Heat |
|---|---|
| Model | SP41 (available as SP41-L / SP41 IPI / SP41 MV) |
| SKU | SP41 (specify configuration at order) |
| Vent Type | Direct Vent |
| BTU Input | 28,000 BTU/hr (NG or LP) |
| Steady State Efficiency | 77.56% (NG) / 77.64% (LP) |
| AFUE Rating | 71.11% (NG) / 71.19% (LP) |
| P.4 Efficiency (ENERGUIDE) | LE: 74.05% / 74.55% NG/LP — MV: 73.46% / 73.76% NG/LP |
| Fuel Type | Natural Gas or Liquid Propane (specify at order) |
| Overall Width | 40-3/4 in. |
| Overall Height | 34-1/2 in. |
| Overall Depth | 15 in. (slim profile) |
| Viewing Area | 33-5/8 in. (W) × 23-3/8 in. (H) |
| Glass | Ceramic |
| Burner Type | Engineer-designed traditional burner |
| Ignition Options | IPI (Electronic) or MV (Millivolt Standing Pilot) |
| Fan Kit | Standard with IPI configurations / Optional with MV |
| Remote Control | Full-function remote with SP41-L only |
| Front Screen | Standard arched design (rectangular format optional) |
| Log Set | Traditional Log Set with Beach Accent Kit (included) |
| Certification | ANSI Z21.88 Vented Gas Heater |
| Estimated Heating Area | 500–1,000 sq. ft. (varies by insulation, ceiling height, climate) |
| Made In | USA (Hussong Manufacturing, Minnesota) |
Available Options & Accessories
The SP41 ships with most key features standard. Common customization options include:
- Configuration variant — SP41-L (with full-function remote), IPI standard, or MV millivolt
- Fuel Type — Natural Gas or Liquid Propane (specified at order; conversion kits available)
- Front Screen Style — standard arched design or optional rectangular format for contemporary interiors
- Refractory Liner Options — multiple interior firebox finishes available (Black Brick, Chicago Brick, Ledgestone, Herringbone, Black Glass Panels — same options as other Kozy Heat models)
- Heat Duct Kit — optional add-on that redistributes heat to adjoining rooms
- Decorative Front/Surround — choose how the SP41 integrates with your existing fireplace surround or new wall finish. Browse our Fireplace Fronts collection for options.
- Vent Kit Components — sized for your specific install (vent length, configuration, termination type)
For configuration assistance, contact us — we’ll spec the right combination of options for your install during the quote process.
Brand
Kozy Heat®
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