Wood fireplace insert EPA emissions comparison chart

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WOOD FIREPLACE INSERT COMPARISON PAGE

Sorted By: EPA EMISSIONS RATING

A few short years ago, typical airtight inserts dumped 40 - 60 grams of unburned wood particles into the atmosphere every hour. Today, all inserts sold in the US must comply with EPA regulations limiting particulate emissions to 7.5 grams/hour. The inserts we sell are even cleaner burning, with emissions ratings of 4.5 grams or less. To read more about EPA emissions regulations, click here.

To sort the table, click the column header (ie; Fireplace Size, Shipping Weight, etc.)

Model	Minimum Fireplace Size	Shipping Weight	Firebox Size	Hardwood Capacity	Max. Log Length	Heating Efficiency	EPA Emissions	Max Output Wide Open	Output 8 hour burn	Heating Capacity
Hearthstone Morgan Cast Iron	23" T 26" W 15" D	425 lbs	1.7 cubic ft	34 lbs	18"	79%	4.3 grams/hr	40,000 btu	24,244 btu/hr	700 - 1500 sq ft
Pacific Summit Plate Steel	25" T 35" W 18" D	475 lbs	3 cubic ft	60 lbs	20"	80.3%	3.56 grams/hr	97,000 btu	43,691 btu/hr	2000 - 3000 sq ft
Pacific Super Plate Steel	21" T 24" W 18" D	410 lbs	1.97 cubic ft	39.4 lbs	18"	82.6%	3.4 grams/hr	72,000 btu	27,424 btu/hr	1000 - 2000 sq ft
Hearthstone Clydesdale Cast Iron	23" T 33" W 15" D	585 lbs	2.4 cubic ft	48 lbs	22"	79%	3.2 grams/hr	60,000 btu	35,195 btu/hr	1200 - 2000 sq ft
Pacific Vista Plate Steel	22" T 25" W 15" D	300 lbs	1.41 cubic ft	28.2 lbs	18"	80.7%	2.9 grams/hr	56,000 btu	20,110 btu/hr	600 - 1400 sq ft
Hearthstone Homestead Soapstone	21-1/2" T 6" W 6" D	440 lbs	2 cubic ft	40 lbs	21"	83.5%	1.9 grams/hr	50,000 btu	29,730 btu/hr	1200 - 1800 sq ft

To visit (or return to) any insert's page, click its name in the chart above.

Note: Wood fireplace insert EPA emissions ratings don't tell the whole story.

A difference of a fraction of a gram in the emissions rating wouldn't be a good reason to choose one EPA approved insert over another. Great care is taken by the EPA testing laboratories to ensure that each test is as close as possible to the next (for example, identical nailed-together "charges" of pine wood are used in all tests), but uncontrollable factors such as atmospheric conditions can affect the results of a given test burn. To compensate for these minor variances, the final EPA grams/hr rating is derived by averaging several monitored burns. As a result, differences of even a gram or two in the final rating between one model and another are not considered significant (except, of course, by the manufacturer of the model that got the lower rating).

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