For patios and open garages where a rolling 18,000 BTU cabinet heater is handy. Camplux files it under outdoor use only, so treat it that way.
Amazon $146.82
For buyers short on storage space who want an 18,000 BTU heater for outdoor or well ventilated indoor spaces. The seller limits indoor use to well ventilated areas.
- 6,000 to 18,000 BTUHeat output
- Indoor (ventilated)Use
- None publishedSafety listing
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Folds to about 15 cm thin for storage
- Shuts itself off if it tips or if oxygen runs low
- Ignition setting purges air first to avoid a flare up
- Hose and regulator come in the box
- No certification mark stated
- No maker page, manual or warranty term to check
- Needs a 20 lb tank; no 1 lb cylinder option
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | ZRA18M |
|---|---|
| Heating | |
| Heat output | 6,000 to 18,000 BTU |
| Type | Portable |
| Use | Indoor (ventilated) |
| Heats up to | 450 sq ft |
| Thermostat | No |
| Fan | No |
| Fuel and power | |
| Fuel | Bulk tank |
| Hose included | Yes |
| Power needed | None |
| Safety | |
| Safety listing | None published |
| Low-oxygen shutoff | Yes |
| Tip-over shutoff | Yes |
| Build | |
| Dimensions | 17.72 x 14.18 x 23.23 in |
Alternatives in this type
A compact, push button alternative to the Portable Buddy for ventilated tents and cabins, with a slightly higher low setting. Keep the fresh air the maker’s manual requires.
Amazon $129For heating a small tent, blind or ice shanty with ventilation, where a light one cylinder heater is all that fits. Follow the maker’s vent rule of at least 4 sq in of fresh air.
Amazon $69.99Compare
Compare the WELLUCK ZRA18M 18,000 BTU with any other propane heater →
More from WELLUCK: every WELLUCK product ranked.