ProCom ML200TBA-B 20K Blue Flame
#12 in Vent-freeFull review
A low cost thermostat heater for a propane home, cabin or shop up to a mid size room. It stays useful when the power is out.
Amazon $170.99$170.99
1.9/5
A small manual heater for one natural gas room, including a bedroom where local code allows vent-free heat. Choose a thermostat model if you want it to hold a set temperature.
- 10,000 BTU/hrOutput
- Natural gasFuel
- Blue flameHeat
- NoThermostat
Check price at Amazon$175.86
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The only size in Dyna-Glo’s blue flame line its manual allows in a bedroom (wall mounted), where local code permits
- Turns down to 5,000 BTU for gentle heat in a small room
- Battery push button ignition and no outlet needed, so it works through outages
Cons
- No thermostat, so you adjust the knob by hand as the room warms
- Natural gas only
- Costs more than ProCom’s 10,000 BTU thermostat model
The Dyna-Glo Blue Flame Manual family
Every Dyna-Glo Blue Flame Manual model we rank, smallest first. Ratings compare each against its own venting.
| Model | Output | Rating | Price |
|---|---|---|---|
| Dyna-Glo BF10NMDG-4 10K Blue Flame (this one) | 10,000 BTU/hr | 1.9/5 | $175.86 |
| Dyna-Glo BF20NMDG-4 20K Blue Flame | 20,000 BTU/hr | 2.6/5 | $210.69 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its venting. How we rank explains each one.
Specifications
| Model number | BF10NMDG-4 |
|---|---|
| Heat | |
| Venting | Vent-free |
| Heat type | Blue flame |
| Maximum input | 10,000 BTU/hr |
| Minimum input | 5,000 BTU/hr |
| Heating area claim | 300 sq ft |
| Fuel and controls | |
| Fuel | Natural gas |
| Thermostat | No |
| Blower | No |
| Ignition | Electronic (battery) |
| Needs an outlet | No |
| Oxygen depletion sensor | Yes |
| Build | |
| Warranty | 1 year |
Alternatives in this venting
Dyna-Glo BF20NMDG-4 20K Blue Flame
#13 in Vent-freeFull review
A plain manual blue flame heater for a natural gas living room or den. Most buyers will get more for the money from a thermostat model.
Amazon $210.69$210.69
ProCom MN100TBA-B 10K Blue Flame
#14 in Vent-freeFull review
A cheap thermostat controlled heater for one small natural gas room or office. Buy it when you want hands-off warmth and do not need much output.
Amazon $129.59$129.59
Compare
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