
Dimplex IgniteXL 50 Linear Electric Fireplace ($3,050)
- The strongest documented heater in this ranking: 8,530 BTU at 240V, with a 5,118 BTU 120V mode in the same firebox.
- The longest warranty among the linear fireplaces here — 5 years — with a published support phone and email.
- A 5.88-inch depth fits standard 2x6 wall framing, so the built-in look does not require a deep chase.
- Full 8,530 BTU output needs a 240V hardwired circuit and an electrician: on a standard 120V circuit the same firebox is a 5,118 BTU heater, so a plug-in installation does not deliver the headline figure.
- At $3049.99 it costs several times the plug-in inserts in this ranking, and the optional driftwood and trim kits are further purchases.
- It is a built-in only: a household that wants to take the fireplace when it moves, or to test it in a room before committing, has no freestanding option here.
The IgniteXL 50 ranked here is Dimplex model XLF50 in its built-in linear configuration: Dimplex's own specification gives 1,500W and 5,118 BTU hardwired at 120V, rising to 2,500W and 8,530 BTU at 240V, Comfort$aver ceramic heat for up to 1,000 sq ft, Multi-Fire XD flame behind edge-to-edge glass, and a 5.88-inch chassis that fits 2x6 framing. Owner satisfaction is scored as a disclosed neutral: this model's own Amazon aggregate could not be isolated from variant listings during our review window. The 5-year limited IgniteXL warranty and Dimplex's published North American support line anchor accountability. Price is the $3049.99 verified on Amazon for this configuration on November 10, 2026.
Dimplex is the electric-fire line of Glen Dimplex Americas; its North American customer service is published as 1-888-346-7539 and [email protected], and the model's own documents carry the IgniteXL 5-year limited warranty for the XLF50, XLF60, XLF74 and XLF100 models.
Dimplex IgniteXL 50 Linear Electric Fireplace










