Blaze King Princess Wood Insert
Best high-efficiency wood insert for homeowners seeking long, overnight burn times.
This insert is a masterclass in efficiency, turning a single load of wood into nearly thirty hours of steady, radiant warmth. It demands a bit more patience with the catalytic process, but the trade-off is an incredibly clean burn that keeps your home cozy without constant tending.
$3650.87
at
Flatironsfire
Who it's for
- Eco-conscious buyers prioritizing fuel efficiency and lower emissions
- Homeowners seeking overnight heat without frequent refueling
- Busy users wanting consistent temperatures without manual monitoring
Who should skip it
- Casual users preferring a simple, plug-and-play heating experience
- Design-focused homeowners wanting a modern, stylish fireplace aesthetic
- Minimalists looking for a low-maintenance heating solution
Performance breakdown
Burn Efficiency
Catalytic technology delivers industry-leading heat retention and minimal fuel waste.
Burn Duration
Extended burn times allow for nearly a full day of consistent heat.
Environmental Impact
Ultra-low emission rates make this one of the cleanest burning options available.
Heating Capacity
Easily manages large living spaces with impressive BTU output and coverage.
Maintenance Ease
The deep firebox design significantly reduces the frequency of ash removal.
Installation Versatility
Clever design allows this powerful unit to fit into smaller fireplace openings.
Key Specs
Efficiency
~79.7% HHV
Emissions
~1 g/hr
Firebox Volume
2.57 cu ft
Burn Time
Up to 29 hours on low; around 9 hours on high
Heat Output
Approx. 30,200 BTU/hr on high; ~9,000–11,700 BTU/hr on low
Heating Range
1,000–2,300 sq ft
Weight
~325 lb
Flue Collar Size
6" diameter
Wood Capacity
53 lbs
Max BTU
43,000
Know before you buy
Still have a question?
Ask Metto anything about the Blaze King Princess Wood Insert before you decide.
