GHP Group Pleasant Hearth Medium Wood Stove PH1800WS
GHP Group Pleasant Hearth Medium Wood Stove PH1800WS is a non-catalytic wood stove from GHP Group certified at 2.2 g/hr particulate emissions with 70% HHV efficiency and a 14,208–62,789 BTU/h output range (previously certified, no longer in production).
Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Cord Wood |
| Covered model numbers | Pleasant Hearth Medium Wood Stove PH1800WS, MWS-1800, WSL-1800-B, WSL-1800, GWS-1800-B, GWS-1800 |
| Emission rate | 2.2 g/hr |
|---|---|
| Carbon monoxide | 1.532 g/min |
| Efficiency (HHV) | 70 % |
|---|
| Heat output (low) | 14208 BTU/h |
|---|---|
| Heat output (high) | 62789 BTU/h |
| Firebox volume | 1.78 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 251-20 |
What space does the GHP Group Pleasant Hearth Medium Wood Stove PH1800WS suit?
- Its 62,789 BTU/h peak output covers roughly 1,800–2,500 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.
- The 1.78 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 3 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- New Buck Corporation (Buck Stove Corp.) Model 91 (2) (1.9 g/hr)
- Travis Industries Lopi Cape Cod Hybrid-Fyre (1.9 g/hr)
- United States Stove Company US2000E (1 g/hr)
- Travis Industries Liberty (2.5 g/hr)
- Foyers Supreme Astra Duo 38 (2.2 g/hr)
- Stove Builder International 2.5R Series (Solution 2.5 ZC II (1.2 g/hr)
Frequently asked questions
Is the GHP Group Pleasant Hearth Medium Wood Stove PH1800WS EPA certified?
The GHP Group Pleasant Hearth Medium Wood Stove PH1800WS holds EPA certification number 251-20 but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.
What is the GHP Group Pleasant Hearth Medium Wood Stove PH1800WS's emission rate?
The GHP Group Pleasant Hearth Medium Wood Stove PH1800WS is certified at 2.2 grams of particulates per hour (tested with cord wood). 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 GHP Group Pleasant Hearth Medium Wood Stove PH1800WS heat?
Roughly 1,800–2,500 sq ft, estimated from its 62,789 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 GHP Group Pleasant Hearth Medium Wood Stove PH1800WS 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 GHP Group Pleasant Hearth Medium Wood Stove PH1800WS's certified efficiency is 70% HHV, which did not meet 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)