Pound-for-Pound

Grills, Smokers, and Pizza showdown

recteq Staq vs Grilla Mammoth vs Pit Boss Navigator 6: The Best Vertical Pellet Smoker of 2026

By The Smith Family, reviewed by Brad Smith · Independent, no paid placement · Updated October 15, 2026Prices checked October 2026

Some links here are affiliate links — if you buy through them, we may earn a commission at no extra cost to you (sometimes with a discount for you). It never changes which products we recommend — and we name the SKIPs to prove it.

A vertical pellet smoker is a tall cabinet with the fire at the bottom and four to ten racks stacked above it. You get a lot of rack space on a small patio footprint, and you give up searing. If you want to smoke a few pork butts, a brisket and a batch of jerky at the same time, this is the shape to buy.

recteq launched a vertical of its own, the Staq 1900, on October 15, 2026, and the first question shoppers asked was how it stacks up against the Grilla Mammoth. Here is that fight, plus Pit Boss’s biggest vertical, the Navigator 6-Series. It is a Triple Threat across price classes, so it is billed pound-for-pound: one winner, whatever the price.

Quick comparison

Model	Best for	Cook area	Racks	Temp range	Hopper	Probes	Tester measurement	Warranty	Owner rating	Price
Grilla Mammoth	Best overall	1,660 sq in (5 racks of 332)	5 stainless, slots for 10	180–450°F	40 lb	2 included	Food & Wine: 10°F swing while cooking. Smoked BBQ Source: half the hopper left after 20–22 h at 225°F	4 years (Grilla web page and Mammoth manual); original owner, residential use only; parts only (failed parts returned freight prepaid; no labor or transport); rust and oxidation not covered; void unless bought new from Grilla or an authorized retailer	4.0★ / 16	Check price →
recteq Staq 1900	The new challenger	1,924 sq in	5 removable 304 stainless grates, 10 rack positions	150–450°F	33 lb	1 included (2 ports)	None yet (launched October 15, 2026); recteq claims within 5°F of the set point	4 years from purchase, original owner, residential use only; parts only (failed parts returned freight prepaid; no labor or transport); rust and oxidation never covered; no performance warranty; recteq or an authorized recteq distributor only	None yet (launched October 15, 2026)	~$999.99typical at recteqCheck price →
Pit Boss Navigator 6-Series Vertical	Most room for the money	2,224 sq in	5 porcelain-coated, 25.7 × 17.3 in	130–420°F	75 lb	1 included (3 ports)	None published	5 years all parts and 5 years electrical (this model's owner's manual); original purchaser; rust excluded unless a part loses structural integrity; parts only, no labor or freight; no performance warranty; authorized retailer or reseller only (unauthorized marketplaces may be refused)	3.3★ / 36	Check price →

Prices move constantly — any Amazon price shown is as of the date noted and subject to change; tap through for today's number.

The makers’ claims against the one measured run

Every vertical on this page comes with a headline number. Only one of those numbers has a tester’s run behind it, and even that run was at a different temperature from the claim.

Doubling Smoked BBQ Source’s half-hopper reading gives roughly 40 to 44 hours for a full 40 lb hopper at 225°F. That is our arithmetic on a single cook, with the hopper level judged by eye and two cold pork butts loaded, not a measurement. It does not confirm Grilla’s 48 hours, which is quoted at a hotter 250°F, and a hotter fire burns pellets faster. An earlier copy of recteq’s Staq page said a full hopper runs “about 70 hours”; the live page no longer says it, so we do not print it as recteq’s claim.

One more number to ignore: the Mammoth’s Amazon listing says a “15 pound hopper.” Grilla’s manual and product page both say 40 lb, and several smoker roundups have copied the wrong one.

Nobody has measured the top rack against the bottom

This is the question that matters most on a vertical, because the fire sits under the bottom rack and the food is stacked above it. We found no tester who has published a top-rack versus bottom-rack temperature for any vertical pellet smoker, these three included. Owners have, and they disagree about which way it goes:

• On the Pit Boss forum, one vertical owner writes that with a 225°F target “my bottom rack would be too hot and the top rack iffy”; another, set to 240°F, read about 225°F on the middle racks and 250°F on the bottom.
• On the AmazingRibs Pitmaster Club, a Pit Boss Copperhead 7 owner set 275°F and measured the top rack at 290°F and the bottom at 275°F: “This 15-degree difference between the top and bottom was consistent throughout the cook.”
• On the recteq forum, asked whether his Mammoth runs evenly top to bottom, an owner answered: “Negative… hotter towards the top.”

Those are single smokers, loaded differently, with water pans used differently. You can settle it for your own smoker in about an hour:

1. Clip one leave-in probe to the center of the top rack and one to the center of the bottom rack, an inch or so above the grate, not touching metal.
2. Fill the water pan (or leave it empty) the way you will actually cook.
3. Set 225°F, let the smoker settle for 30 minutes, then write down both readings every 10 minutes for an hour.
4. The difference between the two averages is your spread. Repeat at 275°F, then once more with meat loaded.
5. Put the thickest cut where it runs hottest, and rotate racks on a long cook.

The Mammoth ships with two meat probes, so you can run this the first night. The Staq and the Navigator each come with one probe; any two-probe thermometer will do.

The warranties, read in full

All three warranties look similar until you read past the number of years. This is what the documents say.

Two things fall out of that table. First, recteq’s “within 5°F” is a sales claim, not a warranted one: recteq’s own Staq manual says there is no performance warranty. Second, the Navigator’s 5 years is the longest term here and the only one that covers rust at all, and then only when a part rusts through. Pit Boss’s web page also says “select griddles and smokers” carry 2 years; this model’s own manual says 5, and that is the document for this smoker.

Best overall: Grilla Mammoth

If you want a big vertical you can buy on evidence rather than a spec sheet, this is the one.

Smoked BBQ Source’s Breanna Stark loaded two pork butts at 225°F and woke up to find “the hopper was still almost ¾ full of pellets” about 9 hours in. At the end of a 20-to-22-hour cook, “the Mammoth still had 50% of the pellets remaining in the hopper.” Food & Wine’s test saw the temperature fluctuate 10°F while cooking, which it calls a normal variance. It runs 180 to 450°F, has 1,660 sq in on five stainless racks with slots for ten, and ships with two meat probes. On Amazon it is sold and shipped by AOB Products Company, Grilla’s parent company.

Not for you if: you want a long owner record, a strong smoke flavor without help, or a quiet smoker. It has 4.0 stars across 16 Amazon ratings when we read it on October 15, 2026, too few to lean on; one of its two critical reviews is an auger that quit on the third cook. Food & Wine found that neither of its test meats had a pronounced smoke flavor (add wood chunks to the deflector if you want more), Smoked BBQ Source calls it “a little bit loud” and could not get the app onto WiFi, and Grilla does not cover rust.

Winner

Our top pick

Grilla Mammoth

Best overall · 1,660 sq in on 5 stainless racks (room for 10) · 180–450°F · 40 lb hopper · WiFi · 4-year warranty

Your pick if you smoke overnight for a crowd and want the vertical a tester actually ran: half its 40 lb hopper was still there after a 20-to-22-hour cook at 225°F, and Food & Wine saw a 10°F swing during cooking.

4.0 · 16 owner ratingsacross Amazon · 2026-10-15 · too thin to judge

Check price at Amazon →

Sold and shipped by AOB Products Company · 30-day refund/replacement · read 2026-10-15

Picked before we checked what this link pays us.

Pro review Smoked BBQ Source

“All in all, both pork butts took between 20 and 22 hours total, and when I was done cooking, the Mammoth still had 50% of the pellets remaining in the hopper.”

Grilla Mammoth

Best overall

Your pick if you smoke overnight for a crowd and want the vertical a tester actually ran: half its 40 lb hopper was still there after a 20-to-22-hour cook at 225°F, and Food & Wine saw a 10°F swing during cooking.

4.0 · 16 owner ratingsAmazon · 2026-10-15 · too thin to judge

Pro review “All in all, both pork butts took between 20 and 22 hours total, and when I was done cooking, the Mammoth still had 50% of the pellets remaining in the hopper.”— Breanna Stark, Smoked BBQ Source

Pros

• In a tester's overnight cook at 225°F, half the 40 lb hopper was left after 20 to 22 hours
• Food & Wine saw a 10°F swing while cooking, which it calls a normal variance
• Five stainless racks with slots for ten, and two meat probes in the box
• Sold and shipped on Amazon by AOB Products Company, Grilla's parent company

Cons

• Small owner record: 4.0★ across 16 on Amazon; one critical review is an auger that quit on the third cook, the other a late delivery and unanswered phones
• Nobody has published how far its top and bottom racks run apart
• Food & Wine found no pronounced smoke flavor; Smoked BBQ Source calls it a little bit loud and could not get the app onto WiFi
• Rust and oxidation are not covered, and you pay the freight to send a failed part back

What owners complain aboutDefect reports

An auger that quit on the third cook and a seller with no record of the order; late deliveries and unanswered phones.

2 of 2 critical reviews (16 ratings in all) · critical reviews read October 2026

Check price at Amazon →

Sold and shipped by AOB Products Company · 30-day refund/replacement · read 2026-10-15

✓ Safety: no active recallNo active CPSC recall for Grilla or the Mammoth (checked 2026-10-15).

The new challenger: recteq Staq 1900

The Staq is recteq’s new vertical smoker, and on paper it is a strong one: 1,924 sq in on five removable 304 stainless grates, 10 rack positions, 150 to 450°F (the bottom 30 degrees is recteq’s warming band, handy for holding food), a 33 lb hopper and dual-band WiFi. It is sold from recteq’s own store at $999.99, and recteq covers it for 4 years.

What it does not have yet is any evidence. recteq put it on sale on October 15, 2026, the day we published. No tester has measured it, recteq’s page showed no owner reviews, and the “within 5°F” figure is recteq’s own, which its manual pointedly does not warrant. Read the warranty table above before you buy: rust is excluded “for any reason”, parts come back at your cost, and a Staq bought anywhere but recteq or an authorized distributor gets no warranty at all.

We will re-read it by November 19, 2026, and it re-rules when it is measured. If you are deciding between it and the Mammoth today, the Mammoth is the safer buy, and the Staq is the bet on stainless and a bigger cabinet.

recteq Staq 1900

The new challenger

Your pick if you want stainless grates, a 450°F top and a 150°F warming floor on a vertical, and you are happy to buy before anyone has tested it: recteq launched it on October 15, 2026.

recteq launched the Staq 1900 on October 15, 2026, sold from recteq.com, and no owner reviews exist yet: its own page showed 0 reviews the day it went on sale.

Pros

• Five removable 304 stainless grates and 10 rack positions
• Runs from 150°F (recteq's warming band, 150 to 180°F) up to 450°F
• recteq says its PID controller holds within 5°F of the set point
• A 4-year warranty, stated in recteq's own Staq manual

Cons

• Launched October 15, 2026: no tester has measured it and no owner has reviewed it yet
• recteq's warranty states there is no performance warranty, so the 5°F claim is not one recteq warrants
• Rust and oxidation are not covered "for any reason", and you ship failed parts back at your cost
• Covered only when bought from recteq or an authorized recteq distributor

~$999.99typical at recteq · checked October 2026

Check price at recteq →

✓ Safety: no active recallNo CPSC recall for recteq or the Staq (checked 2026-10-15; a full-text scan of every CPSC recall record found no recteq name).

Most room for the money: Pit Boss Navigator 6-Series Vertical

The Navigator 6-Series puts 2,224 sq in on five 25.7 × 17.3 in racks, with a 75 lb hopper, WiFi and Bluetooth, for $827.54 on Amazon when we read it (on sale from $899.99, sold and shipped by Amazon). Its owner’s manual gives 5 years on all parts and 5 on the electrical parts, the longest term on this page.

The trouble is everything behind those numbers. No tester has measured it. Its Amazon rating, 3.3 stars across 36, is one pool with the smaller Navigator 3-Series, and only 7 of those reviews are of the 6-Series, five of them one-star. Read the critical reviews and the pattern is parts that are dead on arrival or quit early, fans and augers mostly, then a wait for replacements. One 6-Series owner says it always runs hotter than the set temperature. If you buy it, run it empty on day one, inside Amazon’s return window, and check the fan, the auger and the temperature before you trust it with a brisket.

Pit Boss Navigator 6-Series Vertical

Most room for the money

The listing's size menu spans 2 models: 3-Series (1,118 sq in), 6-Series (2,224 sq in) — this card is the 6-Series (2,224 sq in). Check the size before you add to cart.

Your pick if you want the most rack and hopper per dollar in a vertical — 2,224 sq in across five 25.7 × 17.3 in racks and a 75 lb hopper — and will test every part on day one, because its critical reviews are dead fans and augers out of the box.

3.3 · 36 owner ratingsAmazon · 2026-10-15 · early data · listing-wide base

Pros

• 2,224 sq in on five 25.7 × 17.3 in racks
• 75 lb hopper
• 5 years on all parts and 5 on electrical, per this model's owner's manual
• Sold and shipped by Amazon.com

Cons

• Pooled owner record: 3.3★ across 36 on a listing shared with the smaller Navigator 3-Series; only 7 of the reviews are of the 6-Series
• Tops out at 420°F, one probe in the box, and 173 lb to move
• Critical reviews: fans and augers dead on arrival or quitting, then waits for replacement parts; one 6-Series owner says it always runs hotter than the set temperature
• No tester has measured it, and nobody has published how far its racks run apart

What owners complain aboutDefect reports

Fans and augers dead on arrival or quitting, then waits for replacement parts; one 6-Series owner says it always runs hotter than the set temperature.

7 of the 10 critical reviews read name a dead or failing part; 4 of the 5 one-star 6-Series reviews do · critical reviews read October 2026

Check price at Amazon →

Sold and shipped by Amazon · 30-day refund / replacement · read 2026-10-15

✓ Safety: no active recallNo active CPSC recall for Pit Boss or Dansons (checked 2026-10-15).

Spoiler: Camp Chef XXL Pro

The XXL Pro has the temperature numbers the others lack. Smoked BBQ Source found it took “about 10 minutes for the grill to get up to 225°F” and “It didn’t swing more than 5° to 7° on either side of the set temperature throughout the entire cook.” It also has a smoke box for wood chunks.

So why is it not in the fight? Camp Chef no longer sells it: the vertical smoker collection on its own store is empty, and what remains is dealer stock. Several smoker roundups still recommend it as current. It also tops out at 350°F, its hopper holds 30 lb, and its warranty disagrees with itself (the manual says 3 years; Camp Chef’s web page gives the fan, auger and controller 1 year). Buy one only if you find it in stock and accept a smoker its maker has stopped selling.

How to choose a vertical pellet smoker

Decide whether a vertical is right at all. A vertical gives you more rack space on less patio than a barrel pellet grill, and every rack can be pulled out to load. It cannot sear (450°F is the most any of these reach), and food on the upper racks drips onto food below. If you also want steaks off the same cooker, read our best pellet grills instead.

Then buy the evidence, not the spec sheet. Every maker prints a temperature range, a hopper size and a burn time. Only the Mammoth has a tester’s run behind its burn time, and nobody has measured rack-to-rack evenness on any of them, so plan to check it yourself with two probes.

Then read the warranty past the number of years. All three exclude rust in some form, all three make you pay to ship a part back, and recteq and Pit Boss say outright that they do not warrant performance. Buy from the maker or an authorized seller, and keep the receipt.

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