Heatstar HSSVFBF30LPBT 30K Blue Flame
#3 in Vent-freeFull review
The vent-free heater to buy when you want a blower and thermostat in the box on propane. It costs more up front but needs no add on fan.
Amazon $319.99$319.99
The Heatstar HSSVFBF30LPBT 30K Blue Flame is the better gas wall heater overall, rated 4.4 to 3.3. The Heatstar HSSVFBF30LPBT 30K Blue Flame leads on warranty and controls. The Dyna-Glo BFSS30NGT-4N 30K Blue Flame wins on value. The Dyna-Glo BFSS30NGT-4N 30K Blue Flame costs $66.48 less ($253.51 vs $319.99).
Dyna-Glo BFSS30NGT-4N 30K Blue Flame
#8 in Vent-freeFull review
A thermostat blue flame heater for a large natural gas room or garage. It works well, but the Mr. Heater dual fuel 30K has a longer warranty for little more.
Amazon $253.51$253.51
Prices were last checked November 2, 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 Heatstar HSSVFBF30LPBT 30K Blue Flame for warranty (5-year warranty vs 1-year warranty) and controls (thermostat, blower, electronic ignition vs thermostat, electronic ignition).
- Choose the Dyna-Glo BFSS30NGT-4N 30K Blue Flame for value ($8.45 per 1,000 BTU ($253.51, 30,000 BTU) vs $10.67 per 1,000 BTU ($319.99, 30,000 BTU)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every vent-free gas wall heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Heatstar HSSVFBF30LPBT 30K Blue Flame | Dyna-Glo BFSS30NGT-4N 30K Blue Flame |
|---|---|---|
| Overall rating | 4.4/5 | 3.3/5 |
| Value 30% | 60 $10.67 per 1,000 BTU ($319.99, 30,000 BTU) | 76 $8.45 per 1,000 BTU ($253.51, 30,000 BTU) |
| Heat output 15% | 100 30,000 BTU/hr | 100 30,000 BTU/hr |
| Controls 20% | 100 thermostat, blower, electronic ignition | 75 thermostat, electronic ignition |
| Fuel 5% | 0 propane only | 0 natural gas only |
| Warranty 30% | 100 5-year warranty | 0 1-year warranty |
Specifications
| Heatstar HSSVFBF30LPBT 30K Blue Flame | Dyna-Glo BFSS30NGT-4N 30K Blue Flame | |
|---|---|---|
| Heat | ||
| Venting | Vent-free | Vent-free |
| Heat type | Blue flame | Blue flame |
| Maximum input | 30,000 BTU/hr | 30,000 BTU/hr |
| Minimum input | - | 15,000 BTU/hr |
| Heating area claim | 750 sq ft | 1,000 sq ft |
| Fuel and controls | ||
| Fuel | Propane | Natural gas |
| Thermostat | Yes | Yes |
| Blower | Yes | No |
| Ignition | Electronic (battery) | Electronic (battery) |
| Needs an outlet | No | No |
| Oxygen depletion sensor | Yes | Yes |
| Build | ||
| Weight | 30 lb | - |
| Warranty | 5 years | 1 year |