Round Stack RNO 400 and Rondo RNO 200
Previously certified
EPA lists Round Stack RNO 400 and Rondo RNO 200 under La Castellamonte di R. Perino e . Neri Snc as a previously certified non-catalytic wood stove.
The listed emission rate is 4.4 grams per hour.
EPA does not list an HHV efficiency for this model line.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 4.4 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 10,996–29,242 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | No |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- Round Stack RNO 400 and Rondo RNO 200
Other model lines from this manufacturer
No other model line in this snapshot uses this manufacturer string.
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 1710 — 4.4 grams per hour
- 2.5 ZC Series (2008) (Monaco, Stratford, Solution 2.5ZC, FP-10, Lafayette, WFP75, HE250, FP-12 Mundo) — 4.4 grams per hour
- 21 (FS21/Elite) — 4.4 grams per hour
- ANSWER, ANSWER Insert, Republic1250 and Avalon Spokane — 4.4 grams per hour
- ANSWER/LOPI PATRIOT/LOPI PARLOR, Republic1250 and Avalon Spokane, Avalon Camano — 4.4 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- 2.1 Series (Destination 1.9, Matrix 1900, CW2100, Green Mountain Insert 50, HEI90, Archway 1500, Blue Ridge 150-I) — 8,500–31,700 BTU/hr
- Dutchwest Large Convection Heater 2461 — 10,700–29,500 BTU/hr
- Dutchwest Large Convection Heater 2461 — 10,700–29,500 BTU/hr
- Silent Flame 2058A — 9,600–30,600 BTU/hr
- 30-NC, 50-TNC30, 50-SNC30 — 12,000–28,300 BTU/hr
La Castellamonte di R. Perino e . Neri Snc hub · EPA Certified Wood Heater Database