United States Stove Company KP5517
United States Stove Company KP5517 is a non-catalytic pellet stove from United States Stove Company certified at 1.6 g/hr particulate emissions with 77% HHV efficiency and a 11,871–30,884 BTU/h output range.
| Appliance type | pellet-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Wood Pellets |
| Covered model numbers | KP5517, KP5517-P, KP5517-L,KP5517-W,US5517, US5517-P, US5517-L,US5517-W, AP5617, AP5617-P, AP5617-L,AP5617-W,VG5717, VG5717-P, VG5717-L,VG5717-W, SP33 |
| Emission rate | 1.6 g/hr |
|---|---|
| Carbon monoxide | 0.28 g/min |
| Efficiency (HHV) | 77 % |
|---|
| Heat output (low) | 11871 BTU/h |
|---|---|
| Heat output (high) | 30884 BTU/h |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 319- 22 |
What space does the United States Stove Company KP5517 suit?
- Its 30,884 BTU/h peak output covers roughly 900–1,250 sq ft at the 25–35 BTU/h-per-square-foot rule of thumb — see the sizing calculator to adjust for your insulation and climate.
- Certified burning Wood Pellets .
Similar pellet stoves
- Hearth and Home Technologies P42i-TC (1 g/hr)
- Hearth and Home Technologies P40i-C (0.69 g/hr)
- Freedom Stoves Independence PS21 (1.6 g/hr)
- ARDISAM Castle Serenity 41278 (1 g/hr)
- SMG Hearth and Home HP 40 (0.74 g/hr)
- Gruppo Piazzetta S.P.A Sahara (1.3 g/hr)
Frequently asked questions
Is the United States Stove Company KP5517 EPA certified?
Yes, the United States Stove Company KP5517 is on the EPA's current list of certified wood heaters (certification number 319- 22) and meets the 2020 NSPS Step 2 emission limits.
What is the United States Stove Company KP5517's emission rate?
The United States Stove Company KP5517 is certified at 1.6 grams of particulates per hour (tested with wood pellets). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
How many square feet can the United States Stove Company KP5517 heat?
Roughly 900–1,250 sq ft, estimated from its 30,884 BTU/h peak output at 25–35 BTU/h per square foot. Insulation, climate, ceiling height, and floor plan move this figure substantially in both directions.
Does the United States Stove Company KP5517 qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The United States Stove Company KP5517's certified efficiency is 77% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)