Answering the typical buyer: if you want a clean, gap-free look around a wall-mounted or insert-style electric fireplace, a trim kit is often the best upgrade. These kits help cover gaps, align with the wall, and give a polished finished edge. They’re best for homeowners updating existing fireplaces, builders completing new installs, and renters seeking a neat, low-clearance aesthetic.
The following five trim kits are selected for compatibility with common Valuxhome and other electric fireplace inserts, focusing on those that offer straightforward installation, clear dimensions, and a modern black or metallic finish. The list emphasizes fit accuracy, ease of installation, and the ability to cover gaps without expensive stone or tile work. See the quick overview table below for at-a-glance comparisons.
| Product | Brand | Fit Summary | Best For | Limitations |
|---|---|---|---|---|
| Trim kit Just for Valuxhome 36” Length 21” High | Valuxhome Store | Out frame: 44.55” x 25.7” | Valuxhome 36” insert users needing exact wall hole coverage | Only fits Valuxhome 36” insert |
| Electric Fireplace Trim Kit for 33inch Inserts | Dreamflame Store | Outer 41.9 W x 29.5 H x 0.7 D | Generic fits near 33″ inserts, black finish | Verify inner opening vs. fireplace model |
| 44.5″ W x 32.1″ H Trim Kit for Velaychimney 35.6″ | Velaychimney Store | Overall 44.5 W x 32.1 H | Wider wall openings, minimalist finish | Designed for Velaychimney model compatibility |
| Electric Fireplace Trim Kit for 36inch Inserts | Dreamflame Store | Outer 44.55 W x 32.1 H | Similar to 36” inserts, robust black trim | Check inner opening measurements |
| Trim kit Just for Valuxhome 35.6” Wide 21” High | Valuxhome Store | Out frame: 44.55” Wide x 25.7” High | Valuxhome 35.6” insert users | Specific to Valuxhome 35.6” model |
Trim kit Just for Valuxhome 36” Length 21” High Electric Fireplace Heater Insert

Best for Valuxhome 36” inserts needing exact framing. Outer frame measures 44.55” long by 25.7” high, with the inner opening sized to fit the insert. The kit is designed to cover gaps and provide a clean wall finish. Best for buyers who want a dedicated fit for Valuxhome’s 36” model and a straightforward install.
Why chosen: it offers a precise, matched outer footprint for that specific Valuxhome insert, reducing the risk of misalignment. Caution: ensure your wall opening aligns with the 44.55” length and 25.7” height to avoid overhang or gaps.
Electric Fireplace Trim Kit for 33inch Fireplace Insets

Better for 33-inch inserts seeking a universal-looking, black trim. Outer dimensions are 41.9″ W x 29.5″ H with a 0.7″ thickness; inner opening is 30.3″ W x 23.7″ H. This kit covers gaps while delivering a modern edge to various fireplace openings. Best for installations where stone or tile work isn’t feasible.
Why chosen: the three-panel metal construction is simple to assemble and can be adjusted to match the wall opening. Limitation: verify the inner opening matches your insert; misfit can leave visible gaps.
44.5″ W x 32.1″ H Trim Kit for Velaychimney 35.6″ W x 27.5″ H

Best for larger openings needing a seamless, minimalist finish. Outer dimensions 44.5″W x 32.1″H, inner 32.9″W x 26.3″H. The 3-piece kit provides a clean edge and covers gaps between the wall and the fireplace frame. Designed for Velaychimney’s model B09WVH2Y5L family.
Why chosen: helps create a high-end look when wall depth varies; keeps installation simple. Caution: compatibility is best when the fireplace model behind matches the trim size; otherwise gaps may appear.
Electric Fireplace Trim Kit for 36inch Inset

Best for 36-inch electric inserts needing a robust, black trim. Outer dimensions 44.55″W x 32.1″H x 0.7″D; inner 32.95″W x 26.3″H x 0.7″D. This trim kit solves wall gaps and can be installed with basic tools. Ideal when you want a solid, dark, modern frame around the insert.
Why chosen: matching the 36-inch insert size helps reduce visible seams; caution: measure inner opening to ensure your insert fits without interference.
Trim kit Just for Valuxhome 35.6” Wide 21” High

Best for Valuxhome 35.6” wide, 21” high inserts needing a precise external frame. Outer frame measures 44.55” wide by 25.7” high, matching the specified insert footprint. Provides a clean finish for wall openings that align with this kit’s dimensions.
Why chosen: this option is ideal for Valuxhome users seeking a close-fit trim with a slim profile; caution: ensure the wall opening matches the trim’s outer footprint to avoid overhang.
Buying Guide
What to check before buying a trim kit:
- Compatibility: confirm the trim kit’s outer and inner dimensions match your fireplace insert and wall opening.
- Finish and style: choose black or metallic finishes that complement your room decor and the insert frame.
- Installation ease: look for three-panel designs with clear assembly instructions.
- Depth and clearance: ensure the trim’s thickness won’t obstruct built-in clearance or venting needs.
- Wall type: measure wall depth and opening to verify the trim sits flush without gaps.
FAQ
- What is a fireplace trim kit?
A decorative frame that covers gaps around an electric fireplace insert, creating a clean wall-to-firebox transition. - Do trim kits fit all fireplace inserts?
No, trim kits are usually designed for specific brands or model ranges; always verify exact dimensions. - Can trim kits be installed by a homeowner?
Yes, most trim kits are designed for simple assembly with basic tools, but consult the instructions for safety. - Will trim kits affect heat output?
Trim kits typically do not affect heating efficiency; they mainly improve aesthetics and fit. - How do I measure for a trim kit?
Measure the outer opening of the wall and the inner opening of the fireplace opening; compare to the kit’s specified outer and inner dimensions. - Are there risks with improper trim sizing?
Improper sizing can leave visible gaps or misalignment; always match the kit to the exact insert model and wall opening.