US Stove TH-100
#3 in Wood stovesFull review
A tiny, efficient wood stove for a cabin, tiny house or single room. Have it installed to the manual and local code, and plan on cutting short logs.
Amazon $678.99$678.99
The US Stove TH-100 rates 3.5 among wood stoves stoves; the Castle Serenity 41278 rates 3.4 among pellet stoves ones. The US Stove TH-100 costs $621 less ($678.99 vs $1,299.99).
Castle Serenity 41278
#19 in Pellet stovesFull review
A simple, easy to clean pellet stove with good scheduling for a small home, held back by a short warranty.
Amazon $1,349 Castle $1,299.99$1,299.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (wood stoves and pellet stoves), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | US Stove TH-100 | Castle Serenity 41278 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Efficiency 30% | 75 75% EPA tested efficiency (HHV) | 90 78% EPA tested efficiency (HHV) |
| Value 30% | 60 $26.09 per 1,000 BTU of EPA tested output ($678.99, 26,028 BTU) | 28 $49.07 per 1,000 BTU of EPA tested output ($1,299.99, 26,493 BTU) |
| Emissions 15% | 32 1.7 g/h of smoke particles (EPA) | 61 1 g/h of smoke particles (EPA) |
| Warranty 10% | 100 limited lifetime warranty | 0 1-year warranty |
| Convenience 15% | 20 takes 11 in logs, blower optional | 55 burn time not published, thermostat |
Specifications
| US Stove TH-100 | Castle Serenity 41278 | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 75% | 78% |
| Emissions | 1.7 g/h | 1 g/h |
| Tested heat output | 10,652 to 26,028 BTU | 12,807 to 26,493 BTU |
| Heating | ||
| Fuel | Cord wood | Wood pellets |
| Type | Freestanding | Freestanding |
| Advertised output | 26,000 BTU | 31,960 BTU |
| Heats up to | 750 sq ft | 1,500 sq ft |
| Catalytic | No | No |
| Blower | Optional | Included |
| Thermostat | No | Yes |
| App control | No | No |
| Fuel | ||
| Longest log | 11 in | - |
| Hopper | - | 40 lb |
| Power needed | None | 120 V outlet |
| Installation | ||
| Flue size | 6 in | 3 in |
| Mobile home approved | Yes | Yes |
| Safety listing | UL | - |
| Dimensions | 16.4 x 13 x 26.75 in (W x D x H) | 18.25 x 23.75 x 34 in (W x D x H) |
| Weight | 148 lb | 186 lb |
| Warranty | Limited lifetime | 1 year |
| Released | 2023-10-24 | 2023-08 |