Caldera

Previously certified

EPA lists Caldera under OVO LLC as a previously certified catalytic wood stove.

The listed emission rate is 3.4 grams per hour.

The listed HHV efficiency is 67 percent.

Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.

EPA rows

EPA result rows for this model line
Field Row 1
Status Previously certified
Type Wood Stove
Subtype Catalytic Stove
Emission 3.4 grams per hour
HHV efficiency 67 percent
Heat output 21,564–25,734 BTU/hr
Firebox Not listed
CO 2 g/min
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.

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

HHV efficiency

Heat output

OVO LLC hub · EPA Certified Wood Heater Database