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SimpliFire Traditional Electric Fireplace Insert
Build your fireplace
Choose one option at a time. Each selection opens the next step; extras are optional.
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Electric fireplaces
Give an existing fireplace a new daily role
Fit an electric insert into a suitable existing wood fireplace opening or a framed opening. The 25-, 30- and 35-inch models offer a traditional log presentation with adjustable flame effects and supplemental heat.
Performance Highlights

Finish the opening with the right surround
Measure the existing opening before selecting a surround. Mission door fronts and small or large surrounds are separate options, matched to the exact insert size.
Fuel Details
120V electric operation. The manufacturer offers 750W and 1,500W heater settings; the flame can run without heat. Confirm fit and electrical requirements in the SF-INS25/30/35 manual.
Product Details
What It Comes With
- Selected Traditional Electric Fireplace Insert
- Factory log and ember presentation supplied with the selected insert
- Multifunction remote control
Optional accessories, decorative finishes, electrical work and installation are not included unless specifically listed.
Manufacturer warranty
The applicable HHT limited warranty governs component coverage, eligibility and exclusions. Review the written warranty in the owner’s manual and the policy below. Purchased replacement parts and optional accessories have separate terms.
Project support
Got a project? Ask for bulk pricing.
Share the model, measurements and finish you have in mind. We can help check the compatible parts for your plan.
Specifications & Dimensions
| Specification | SF-INS25 | SF-INS30 | SF-INS35 |
|---|---|---|---|
| SKU | SF-INS25 | SF-INS30 | SF-INS35 |
| Model | Electric Insert 25 | Electric Insert 30 | Electric Insert 35 |
| Overall width | 24-7/8 | 29-7/8 | 35 |
| Overall height | 16-1/4 | 20-1/2 | 23-1/4 |
| Overall depth | 11-1/4 | 11-1/4 | 11-1/4 |
| Viewing area | 22" x 12 | 27" x 16-1/4 | 32-1/8" x 19 |
| Framing height | 16-3/8 | 20-5/8 | 23-1/2 |
| Framing depth | 11-3/8 | 11-3/8 | 11-3/8 |
| Rated heat output / input (BTU/h) | 5,000 | 5,000 | 5,000 |
| Certification | UL 2021 - 4th Edition | UL 2021 - 4th Edition | UL 2021 - 4th Edition |
| UPC / GTIN | 652174985654 | 652174985647 | 652174985630 |
Nominal size is not the framing opening. Follow the exact model and revision manual for clearances, electrical requirements and installation layout. Finishes and natural stone patterns can vary. Triton framing varies with the single-sided, corner or bay configuration.
Manuals, Spec Sheets & Installation
Use the document for your exact model and revision.
- Insert SF-INS-25/30/35 Owner & Install Manual (PDF)
- Insert 30 SF-INS30 - Architect Guide (PDF)
- SF-INS30 Electric Fireplace - Service Parts List (PDF)
- Electric Insert Series SF-INS25/30/35 Service Manual (PDF)
- SF-INS35 Electric Fireplace - Service Parts List (PDF)
- Insert 35 SF-INS35 - Architect Guide (PDF)
- Insert 25 SF-INS25 - Architect Guide (PDF)
- SF-INS25 Electric Fireplace - Service Parts List (PDF)
- HHT Limited Warranty Policy (PDF)
