Costway 28.5" Electric Fireplace Insert vs R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U)
R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U)
The short answer
R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) comes out ahead overall with 7.0/10 against 6.5/10 for the Costway 28.5" Electric Fireplace Insert. Costway 28.5" Electric Fireplace Insert is stronger on value. R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) is stronger on flame realism & ambiance, installation & fit, controls & features, reliability & build quality and safety & indoor air. At current verified prices, the Costway 28.5" Electric Fireplace Insert costs about $224.00 less.
- Choose the Costway 28.5" Electric Fireplace Insert if: Budget DIYers building a simple surround or media-wall niche who want a thermostat-controlled heater for under $150.
- Choose the R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) if: Buyers who want a big 68-inch flame in a 2x6 stud wall or on the wall surface, on a mid-range budget.
Scores by criterion
| Criterion | Costway 28.5" Electric Fireplace Insert | R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) |
|---|---|---|
| Flame realism & ambiance | 6.0Basic LED flame on a 28.5-inch screen. | 6.5Big multicolor linear display; modern rather than lifelike. |
| Heating performance | 6.51,500 W / 5,118 BTU with a real thermostat; owners say it heats a family room. | 6.51,500 W with thermostat; heat doesn't scale with the 68-inch width. |
| Installation & fit | 6.5Light and shallow; Bob Vila says recessed only, despite Amazon's 'freestanding' title. | 8.5Fits 2x6 studs or mounts on the surface; the 67 lb weight needs a solid wall. |
| Controls & features | 7.0Thermostat, timer, brightness and remote. | 7.5Thermostat, timer, sleep mode and touch panel; no smart control. |
| Reliability & build quality | 5.5Budget build with unpublished warranty; limited owner data, but no failure pattern found. | 6.0Series reports of a finicky remote, grinding noise and units damaged on arrival. |
| Safety & indoor air | 6.5ETL and overheat protection are claimed but not verified in the directory. | 7.5ETL with heat kill switch (Bob Vila, PopSci). |
| Value | 8.5Lowest price in the pool with a thermostat heater. | 8.0$360 for a 68-inch ETL unit. |
Specifications
| Spec | Costway 28.5" Electric Fireplace Insert | R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) |
|---|---|---|
| Install type | Recessed insert | Recessed or wall-mount linear |
| Width | 28.5 in | 68 in |
| Depth | 5.7 in | 3.9 in |
| Max heater power | 1,500 W | 1,500 W |
| Heat output (rated) | 5,118 BTU/h | — |
| Manufacturer-claimed heating area | — | 400 sq ft |
| Heater type | Fan-forced | Fan-forced |
| Adjustable thermostat | Yes | Yes |
| Flame-only mode | — | Yes |
| Wi-Fi / app / voice control | No | No |
| Safety listing | ETL claimed (Bob Vila, retailer listings); not found in Intertek directory search | ETL |
Costway 28.5" Electric Fireplace Insert
Pros
- Budget price
- True 62–82°F thermostat
- 8-hour timer and remote
- Honest BTU figures
- Light at 27.5 lb
Cons
- Basic flame
- Limited independent and owner evidence
- Some owners say listed dimensions are overstated
- Safety certification claims are from the seller side
- Recessed installation only
A sensible low-cost way to add a heated fire feature to a built-in space, with modest expectations on looks.
Full Costway 28.5" Electric Fireplace Insert review →R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U)
Pros
- ETL certified with overheat shut-off
- 3.9 in deep; fits 2x6 studs
- 12 flame and 12 bed colors
- 68–88°F thermostat and 8-hour timer
- Mid-range price for its size
Cons
- 67 lb, so the wall must be solid
- Series owners report remote and noise issues
- No smart control
- Heat is the same 1,500 W class as smaller units
The best way to get a large, slim, certified linear fireplace without paying smart-home money.
Full R.W.FLAME 68" Recessed & Wall Mounted (ZYHD-868C3U) review →Both products are part of our guide The Best Electric Fireplaces of 2026, where you can see every pick, how we score and current prices from each retailer.