Comfort Glow CGWI1800 Insert vs Comfort Glow CGWS750 Mighty Mini

Last updated: October 31, 2026

The Comfort Glow CGWI1800 Insert rates 3.3 among inserts stoves; the Comfort Glow CGWS750 Mighty Mini rates 3.2 among wood stoves ones. The Comfort Glow CGWS750 Mighty Mini costs $580 less ($719 vs $1,299).

Comfort Glow CGWI1800 Insert vs Comfort Glow CGWS750 Mighty Mini

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different type classes (inserts and wood stoves), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.

Factor weightComfort Glow CGWI1800 InsertComfort Glow CGWS750 Mighty Mini
Overall rating3.3/53.2/5
Efficiency 30%65 73% EPA tested efficiency (HHV)75 75% EPA tested efficiency (HHV)
Value 30%53 $45.67 per 1,000 BTU of EPA tested output ($1,299, 28,445 BTU)56 $27.62 per 1,000 BTU of EPA tested output ($719, 26,028 BTU)
Emissions 15%29 1.8 g/h of smoke particles (EPA)32 1.7 g/h of smoke particles (EPA)
Warranty 10%11 2-year warranty11 2-year warranty
Convenience 15%70 takes 18 in logs, blower included20 takes 11 in logs, blower optional

Specifications

Comfort Glow CGWI1800 InsertComfort Glow CGWS750 Mighty Mini
EPA certification
EPA certifiedYes (2020 standard)Yes (2020 standard)
Efficiency (HHV)73%75%
Emissions1.8 g/h1.7 g/h
Tested heat output10,689 to 28,445 BTU10,652 to 26,028 BTU
Heating
FuelCord woodCord wood
TypeFireplace insertFreestanding
Heats up to1,200 sq ft750 sq ft
CatalyticNoNo
BlowerIncludedOptional
ThermostatNoNo
App controlNoNo
Fuel
Firebox1.2 cu ft0.6 cu ft
Longest log18 in11 in
Power needed120 V outletNone
Installation
Flue size-6 in
Mobile home approvedNoYes
Safety listingULUL
Dimensions44 x 20 x 31 in (W x D x H, with faceplate)16.5 x 13 x 30.15 in (W x D x H)
Warranty2 years2 years
Released2024-092024-11

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