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, controls and heat output. The ProCom ML300TBA-B 28K Blue Flame wins on value. The ProCom ML300TBA-B 28K Blue Flame costs $131 less ($188.99 vs $319.99).
ProCom ML300TBA-B 28K Blue Flame
#10 in Vent-freeFull review
The cheapest way here to heat a large propane room or garage with a thermostat. Pick it when price matters more than warranty length.
Amazon $188.99$188.99
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), controls (thermostat, blower, electronic ignition vs thermostat) and heat output (30,000 BTU/hr vs 28,000 BTU/hr).
- Choose the ProCom ML300TBA-B 28K Blue Flame for value ($6.75 per 1,000 BTU ($188.99, 28,000 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 | ProCom ML300TBA-B 28K Blue Flame |
|---|---|---|
| Overall rating | 4.4/5 | 3.3/5 |
| Value 30% | 60 $10.67 per 1,000 BTU ($319.99, 30,000 BTU) | 92 $6.75 per 1,000 BTU ($188.99, 28,000 BTU) |
| Heat output 15% | 100 30,000 BTU/hr | 90 28,000 BTU/hr |
| Controls 20% | 100 thermostat, blower, electronic ignition | 50 thermostat |
| Fuel 5% | 0 propane only | 0 propane only |
| Warranty 30% | 100 5-year warranty | 0 1-year warranty |
Specifications
| Heatstar HSSVFBF30LPBT 30K Blue Flame | ProCom ML300TBA-B 28K Blue Flame | |
|---|---|---|
| Heat | ||
| Venting | Vent-free | Vent-free |
| Heat type | Blue flame | Blue flame |
| Maximum input | 30,000 BTU/hr | 28,000 BTU/hr |
| Minimum input | - | 14,000 BTU/hr |
| Heating area claim | 750 sq ft | 1,400 sq ft |
| Fuel and controls | ||
| Fuel | Propane | Propane |
| Thermostat | Yes | Yes |
| Blower | Yes | No |
| Ignition | Electronic (battery) | Push button |
| Needs an outlet | No | No |
| Oxygen depletion sensor | Yes | Yes |
| Build | ||
| Weight | 30 lb | 28 lb |
| Warranty | 5 years | 1 year |