Benass 30,000 BTU Double Tank Top
#7 in Tank topFull review
For outdoor gatherings and work areas that need two burners from one tank on a budget. Keep it outdoors, since the listing gives no ventilation rules.
Amazon $79.99$79.99
The Benass 30,000 BTU Double Tank Top and the Mr. Heater MH540T 540° Tank Top are evenly matched, rated 3.1 and 3.0. The Benass 30,000 BTU Double Tank Top leads on safety. The Mr. Heater MH540T 540° Tank Top wins on value and turndown. The Mr. Heater MH540T 540° Tank Top costs $2 less ($77.99 vs $79.99).
Mr. Heater MH540T 540° Tank Top
#9 in Tank topFull review
For crews on open job sites, loading docks and sidelines who want the most heat a single tank top gives, in every direction. Use it only where fresh air moves freely.
Amazon $77.99$77.99
Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Benass 30,000 BTU Double Tank Top for safety (tip-over shutoff, flame-out shutoff; no safety listing published vs tip-over shutoff, flame-out shutoff; no safety listing published).
- Choose the Mr. Heater MH540T 540° Tank Top for value ($1.73 per 1,000 BTU ($77.99, 45,000 BTU) vs $2.67 per 1,000 BTU ($79.99, 30,000 BTU)) and turndown (turns down to 30,000 BTU vs turns down to 22,000 BTU).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every tank top propane heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Benass 30,000 BTU Double Tank Top | Mr. Heater MH540T 540° Tank Top |
|---|---|---|
| Overall rating | 3.1/5 | 3.0/5 |
| Value 25% | 59 $2.67 per 1,000 BTU ($79.99, 30,000 BTU) | 90 $1.73 per 1,000 BTU ($77.99, 45,000 BTU) |
| Safety 30% | 50 tip-over shutoff, flame-out shutoff; no safety listing published | 40 tip-over shutoff, flame-out shutoff; no safety listing published |
| Warranty 15% | 50 warranty not published (neutral score used) | 0 1-year warranty |
| Turndown 15% | 38 turns down to 22,000 BTU | 48 turns down to 30,000 BTU |
| Ignition 10% | 0 lit by hand | 0 lit by hand |
| Fuel options 5% | 50 runs on a bulk tank only | 50 runs on a bulk tank only |
Specifications
| Benass 30,000 BTU Double Tank Top | Mr. Heater MH540T 540° Tank Top | |
|---|---|---|
| Heating | ||
| Heat output | 22,000 to 30,000 BTU | 30,000 to 45,000 BTU |
| Type | Tank top | Tank top |
| Use | - | Job sites and garages |
| Heats up to | 800 sq ft | 1,125 sq ft |
| Thermostat | No | No |
| Fan | No | No |
| Fuel and power | ||
| Fuel | Bulk tank | Bulk tank |
| Hose included | No | No |
| Ignition | By hand | By hand |
| Power needed | None | None |
| Safety | ||
| Safety listing | None published | None published |
| Low-oxygen shutoff | - | No |
| Tip-over shutoff | Yes | Yes |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | 4.92 x 18.5 x 18.1 in | 22.6 x 11.6 x 16.8 in |
| Weight | - | 5.5 lb |
| Warranty | - | 1 year |
| Released | - | 2015-09 |