Thinking of upgrading your drafty old fireplace? A pellet stove insert can transform it into a modern, easy-to-use heat source—but picking the right brand is just as important as picking the right model. When you want dependable warmth, real efficiency, and years of trouble-free service, choosing from the best pellet stove insert brands is the smartest way to get peace of mind and lasting value.
Not all brands are created equal. Some are known for cutting-edge tech and quiet operation, others for rugged durability or customer support. In this guide, you’ll find the most trusted pellet insert brands for 2025, a simple brand-focused buyer’s guide, in-depth reviews of each flagship insert, a handy comparison table, the answers to your top questions, and a little push to help you upgrade with confidence.
Quick Picks: Best Pellet Stove Insert Brands (2025)
-
Best Overall Brand:
Harman
Known for premium quality, ultra-quiet operation, and long-term reliability. -
Best for Large Homes:
Enviro
Famous for powerful, easy-to-maintain inserts with huge hoppers and high output. -
Best Value Brand:
ComfortBilt
Delivers affordable, feature-packed inserts that are DIY-friendly and efficient.
Buyer’s Guide: How to Choose the Best Pellet Stove Insert Brand
When it comes to pellet stove inserts, the brand really does matter. Here’s why:
- Reliability: Established brands have proven track records. Look for companies with years of experience and lots of positive reviews.
- Support & Warranty: The best brands stand behind their products with solid warranties and responsive customer service—critical for any home upgrade.
- Parts Availability: Well-known brands make it easy to find replacement parts and service—essential for keeping your insert running for years.
- Technology & Features: Leading brands offer quiet blowers, programmable thermostats, remote controls, and safety certifications for easier living and safer homes.
- Installer Network: Choose brands supported by professional installers and techs in your area for stress-free installation and repairs.
Tip: Don’t just compare price. Compare support, reputation, and real-world owner satisfaction!
Detailed Reviews: Top Pellet Stove Insert Brands & Flagship Models (2025)
Harman (P35i Pellet Insert)
Why Choose Harman? Harman is legendary for ultra-quiet, reliable inserts that deliver years of steady heat with minimal fuss. Their build quality and reputation are second to none.
- Flagship Model: P35i Pellet Fireplace Insert
- Key Benefits: Up to 35,000 BTU, 62-lb hopper, programmable thermostat, whisper-quiet blower, easy-clean system, EPA certified.
- Pros: Premium quality, minimal noise, exceptional reliability, excellent customer support.
- Cons: Higher price, may require professional installation, premium replacement parts.
Final Verdict: The gold standard for buyers who want the best—backed by one of the strongest brands in home heating. See details.
Enviro (M55 Cast Iron Insert)
Why Choose Enviro? Enviro stands out for power, capacity, and durability. Their inserts are loved by those with big homes or anyone wanting less frequent pellet refills.
- Flagship Model: M55 Cast Iron Pellet Fireplace Insert
- Key Benefits: Up to 55,000 BTU, massive 60-lb hopper, 5 heat settings, cast iron build, multi-fuel ready, auto-cleaning, EPA certified.
- Pros: Huge output, long burns, rugged construction, handles big rooms with ease.
- Cons: Bulky, heavy for some installations, premium price.
Final Verdict: Perfect for large spaces or all-night heat—trusted by pros and families alike. View price.
ComfortBilt (HP22i Pellet Insert)
Why Choose ComfortBilt? ComfortBilt offers reliable, affordable inserts with excellent features—making them a top choice for value-conscious buyers and DIYers.
- Flagship Model: HP22i Pellet Stove Fireplace Insert
- Key Benefits: 50,000 BTU, 47-lb hopper, programmable thermostat, remote included, 80%+ efficiency, EPA certified.
- Pros: Great price, solid heat output, user-friendly, easy installation, parts widely available.
- Cons: Simpler styling, blower audible on high, less “premium” than top brands.
Final Verdict: Best for those who want a solid, feature-packed insert for less. Check price.
Napoleon (Oakdale Pellet Insert)
Why Choose Napoleon? Napoleon brings Canadian craftsmanship, stylish design, and proven support—great for homeowners who want looks and performance.
- Flagship Model: Oakdale Pellet Fireplace Insert
- Key Benefits: Up to 38,250 BTU, 45-lb hopper, programmable thermostat, large glass window, EPA certified, modern styling.
- Pros: Sleek looks, efficient operation, easy cleaning, strong warranty, excellent support.
- Cons: Smaller hopper, higher price for styling, professional install recommended.
Final Verdict: Perfect for modern homes that need both performance and visual appeal. Order here.
US Stove (8500 Multi-Fuel Insert)
Why Choose US Stove? A classic American brand, US Stove offers versatility, value, and a broad network of parts and installers—great for rural or off-grid homeowners.
- Flagship Model: 8500 Multi-Fuel Pellet Fireplace Insert
- Key Benefits: Up to 48,000 BTU, 60-lb hopper, multi-fuel compatible, remote and digital controls, EPA certified.
- Pros: Fuel flexibility, big hopper, affordable, parts and support are easy to find.
- Cons: Basic looks, can be louder on high, less high-end than Harman or Enviro.
Final Verdict: Top choice for flexibility and ease of ownership. Buy here.
England’s Stove Works (25-EPI Insert)
Why Choose England’s Stove Works? This brand is known for value, easy parts access, and steady reliability—perfect for cabins or rentals.
- Flagship Model: 25-EPI Pellet Fireplace Insert
- Key Benefits: 42,000 BTU, 45-lb hopper, simple digital controls, EPA certified, parts are widely available.
- Pros: Affordable, time-tested, compact size, great long-term support.
- Cons: Basic appearance, fewer “luxury” features, fan is audible at max speed.
Final Verdict: An affordable, reliable insert from a name you can trust. See details.
Comparison Table: Best Pellet Stove Insert Brands & Flagship Models (2025)
| Brand | Flagship Model | Max BTU | Hopper Size | Warranty | Key Feature | Price Link |
|---|---|---|---|---|---|---|
| Harman | P35i | 35,000 | 62 lbs | 5 yrs | Ultra-quiet, premium build | View Price |
| Enviro | M55 Cast Iron | 55,000 | 60 lbs | Limited Lifetime | High output, big hopper | View Price |
| ComfortBilt | HP22i | 50,000 | 47 lbs | 1-3 yrs | DIY-friendly, remote | View Price |
| Napoleon | Oakdale | 38,250 | 45 lbs | 5 yrs | Sleek modern look | View Price |
| US Stove | 8500 Multi-Fuel | 48,000 | 60 lbs | 3 yrs | Multi-fuel capable | View Price |
| England’s Stove Works | 25-EPI | 42,000 | 45 lbs | 5 yrs | Budget friendly, easy parts | View Price |
FAQ: Best Pellet Stove Insert Brands
Are there big differences between pellet stove insert brands?
Yes. Brand differences can include build quality, noise level, warranty, part availability, and customer support. Stick with trusted names for best results.
Which brand is the quietest?
Harman and Enviro are both known for whisper-quiet operation, thanks to advanced blower design and heavy-duty build.
Which insert brand is best for a large home?
Enviro (M55) and ComfortBilt (HP22i) both offer high-output, big-hopper models that can handle open plans and big spaces.
Which pellet insert brand is the best value?
ComfortBilt and England’s Stove Works provide strong heat and reliability for less, making them popular among value-focused shoppers.
Can I get replacement parts easily for these brands?
Yes. All brands reviewed above have strong parts availability—especially Harman, US Stove, and England’s Stove Works.
Conclusion: Choose the Best Pellet Stove Insert Brand for Real Comfort
Upgrading your fireplace with a pellet insert is one of the best ways to boost comfort, save energy, and enjoy cozy ambiance all winter. The brands above have built their reputations on quality, support, and long-term performance—so you can heat your home with true confidence.
Ready for warmth you can trust? Pick a brand (and flagship model) from our list above and turn your old hearth into the coziest, easiest-to-use spot in your home!