Rais A/S Nexo 100 ManualNexo 100 Classic Manual
Rais A/S Nexo 100 ManualNexo 100 Classic Manual is a non-catalytic wood stove from Rais A/S certified at 1.1 g/hr particulate emissions with 72% HHV efficiency and a 13,149–20,238 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | Nexo 100 ManualNexo 100 Classic Manual, Nexo 120 ManualNexo 120 Classic Manual, Nexo 140 ManualNexo 140 Classic Manual, Nexo 160 ManualNexo 160 Classic Manual, Nexo 185 ManualNexo 185 Classic Manual, Nexo 100 G ManualNexo 100 G Classic Manual, Nexo 120 G ManualNexo 120 G Classic Manual, Nexo 140 G ManualNexo 140 G Classic Manual, Nexo 160 G ManualNexo 160 G Classic Manual, Nexo 185 G ManualNexo 185 G Classic Manual |
| Emission rate | 1.1 g/hr |
|---|---|
| Carbon monoxide | 2.1 g/min |
| Efficiency (HHV) | 72 % |
|---|
| Heat output (low) | 13149 BTU/h |
|---|---|
| Heat output (high) | 20238 BTU/h |
| Firebox volume | 1.48 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 336-22 |
What space does the Rais A/S Nexo 100 ManualNexo 100 Classic Manual suit?
- Its 20,238 BTU/h peak output covers roughly 600–800 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 1.48 cu ft firebox puts it in the small/cabin class.
- Rough fuel use: about 1.3 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Crib Wood .
Similar wood stoves
- J. A. Roby Supero (1.5 g/hr)
- Hearth and Home Technologies Vermont Castings Aspen C3 (2 g/hr)
- Spartherm L 800 ZC (1.3 g/hr)
- Rais A/S Q-Tee II USA Series: Q-Tee II USA (0.7 g/hr)
- Hearthstone Quality Home Heating Products Lincoln 8060 (1.1 g/hr)
- Foyers Supreme Astra 18 (2) (1.2 g/hr)
Frequently asked questions
Is the Rais A/S Nexo 100 ManualNexo 100 Classic Manual EPA certified?
Yes, the Rais A/S Nexo 100 ManualNexo 100 Classic Manual is on the EPA's current list of certified wood heaters (certification number 336-22) and meets the 2020 NSPS Step 2 emission limits.
What is the Rais A/S Nexo 100 ManualNexo 100 Classic Manual's emission rate?
The Rais A/S Nexo 100 ManualNexo 100 Classic Manual is certified at 1.1 grams of particulates per hour (tested with crib 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 Rais A/S Nexo 100 ManualNexo 100 Classic Manual heat?
Roughly 600–800 sq ft, estimated from its 20,238 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 Rais A/S Nexo 100 ManualNexo 100 Classic Manual 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 Rais A/S Nexo 100 ManualNexo 100 Classic Manual's certified efficiency is 72% 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)