From the Makers’ Own Documents

Wolf, Viking, Monogram ranges: from their own manuals.

No published figure makes a Wolf range better than a Viking, or a Monogram better than either, and we do not rank them. What the makers’ own documents settle is how the three differ. Wolf rates its dual fuel burners up to 20,000 Btu and as low as 300 Btu for a simmer. Viking’s 7 Series and Monogram both reach 23,000 Btu. All three relight a flame that goes out, and all three give two years of parts and labor.

The differences sit lower down: which ovens self-clean, what the electronics are, and what each warranty still covers in year four. Wolf’s names electronic control boards. Viking’s names burners and oven elements, not ignition systems. Monogram’s names gas surface burners only. Everything below was read on October 5, 2026; our own view is kept for the last section.

On This Page

  1. The three, side by side
  2. Which has the stronger burners
  3. Dual fuel or all gas
  4. How the warranties compare
  5. What each manual asks of the owner
  6. What each costs new
  7. Which is more reliable
  8. Service and parts
  9. Which suits whom
  10. Questions
  11. Sources

The Three, Side by Side

Each column is one maker’s current documents: Wolf’s 2025 guides for its dual fuel and gas ranges; Viking’s 2026 manuals for the 5 Series and its 2022 manual for the 7 Series; Monogram’s Rev. 6 owner’s manuals for Monogram dual fuel (ZDP) and all-gas (ZGP) ranges, a design announced in 2021. Burner figures are natural gas. Earlier series differ.

WolfVikingMonogram
BurnersSealed, dual-stacked: at the lowest setting the flame drops to a second tierSealed on the 5 and 7 Series, brass flame ports on the 7; an open-burner 5 Series gas range is still soldSealed: dual-flame stacked burners and multi-ring burners, with brass caps
Highest burner20,000 Btu on dual fuel; 15,000 on the gas range18,500 Btu on select 5 Series models; 23,000 on the 7 Series23,000 Btu on 36- and 48-inch six-burner tops; 21,000 on a 30-inch
SimmerDual fuel: as low as 300 Btu. Gas range: less than 300 Btu on low settings, per Wolf’s answerVariSimmer, a range of low settings on every burner; no figureA lower simmer flame on the stacked burner, the inner ring alone on the multi-ring; no Btu figure
IgnitionSpark; relights automaticallySpark, at any knob position; relights while gas is flowingSpark, every burner sparking when one knob is at LITE; relights automatically
In a power outageBurners can be lit by hand with a lighter; nothing relights a flame that goes out, and Wolf says to monitor the burner closelyThe manual says not to operate the range at allBurners may be lit with a match; the oven is inoperable
OvensDual fuel: electric, Dual VertiFlow convection. Gas: 30,000 Btu burner, 18,000 Btu infrared broilerDual fuel: electric, TruConvec convection. Gas: 30,000 Btu burner, infrared broilerDual fuel: electric, reverse-air convection. All gas: 23,000 Btu bake, 18,000 Btu broil
Self-cleanDual fuel: about four hours, the door locked until below 550°F. Gas: noneDual fuel: about 3½ hours, then 30 minutes to cool. 5 and 7 Series gas: none; the 30-inch 3 Series gas range is sold as self-cleaningDual fuel: 3 to 5 hours, and a 30-minute steam clean. All gas: steam clean only
ControlsDual fuel: touchscreen, selector bezel and knob, Wi-Fi. Gas: knobs, an indicator light, two buttonsKnobs and indicator lights; the manuals describe no screen, timer or appKnobs, an LCD display and a Mini Knob; Wi-Fi and Bluetooth; a software update at first setup
Looks like a fault, may not beGas range: a flashing oven or griddle light means the flame was lost and the range locked out; knob off, then onIgniters that spark after the flame lights: wet or dirty, or a supply not grounded or with reversed polarityF and a number on the display: all off, an hour to cool, power off 30 seconds; service if it returns

The refrigerators of the same makers, compared the same way: Sub-Zero, Viking, Monogram, side by side. Which range you have: where the model and serial tag sits.

Which Has the Stronger Burners?

On paper, Monogram and Viking’s 7 Series: 23,000 Btu, against Wolf’s 20,000 and the 18,500 of Viking’s 5 Series. Each row is a 36-inch range on natural gas, as its maker rates it.

36-inch rangeSurface burners, BtuLow end
Wolf dual fuel, DF36650One 20,000, two 18,000, two 15,000, one 9,200As low as 300 Btu
Wolf gas, GR366Five 15,000, one 9,200A simmer tier on every burner; less than 300 Btu on low settings
Viking 5 Series, VDR5 and VGR515,000, except 18,500 at front right on select modelsVariSimmer; no figure
Viking 7 Series, VDR7362 and VGR736223,000 in front; 15,000 at the rear, with one 8,000VariSimmer; no figure
Monogram, ZDP366 and ZGP366Two 23,000, two 18,000, two 15,000A lower simmer flame on the stacked burners, the inner ring alone on the multi-ring; no Btu figure

Propane changes the figures. Monogram rates the same top at 21,000, 15,000 and 10,000 Btu on LP, and Viking’s 5 Series sheet gives 16,600 and 12,500. Wolf says its ratings are the same on natural gas and LP unless noted. In a house on a propane tank, read the LP line.

The low end is where the designs part. A Wolf burner has two tiers of ports, and Wolf gives as low as 300 Btu for its dual fuel burners. Monogram’s stacked burner keeps a lower flame lit whenever it is on, and its multi-ring burner runs the inner ring alone between Lo and Sim. Viking’s VariSimmer is a span of low settings, without a published figure. What a healthy flame looks like on all three.

Dual fuel or all gas: what changes inside?

Under one name each maker sells two different machines. A dual fuel range puts gas burners over an electric oven: elements, the boards that switch them, a door lock for the clean cycle, and a 240-volt supply. Wolf asks for a dedicated 30-amp circuit on its 36-inch dual fuel range; Monogram for 30 amps on its 30- and 36-inch and 50 on the 48-inch. An all-gas range burns gas in the oven too: Wolf’s and Monogram’s 36-inch gas ranges run on a 120-volt, 15-amp circuit.

Self-clean follows the oven. Wolf says outright that its gas ranges have no self-clean: no door lock, and an oven that does not reach the heat a true self-clean needs. Viking lists its 5 and 7 Series gas ranges as not self-cleaning. Monogram’s all-gas range has a steam clean, a cup of water on the oven floor for 30 minutes, and nothing hotter. The dual fuel ranges of all three run a high-heat cycle, and Viking puts its own at up to 750°F. Wolf’s cycle, and why we would not run it · Viking’s cycle, and what comes out first.

The cycles differ in what they stop: a Monogram locks out its cooktop until the clean ends, and a Viking 5 Series its griddle. Wolf and Viking have the racks taken out first; Monogram lets them stay, and asks for graphite lubricant on the slides when they stiffen.

The electronics differ as much as the burners. A current Wolf dual fuel range has a touchscreen and can join the home Wi-Fi; a Wolf gas range has knobs and an indicator light. Viking’s manuals describe knobs and lights on both fuels. Monogram puts an LCD display, Wi-Fi and Bluetooth on both, and its manuals open with a note that the range needs a software update at first setup. More electronics is not a defect. It is a longer list of parts to test when something stops.

How the Warranties Compare

Each column is the maker’s printed residential warranty for a range. The first two years read alike. The difference is the list that follows, and the date the years are counted from.

WolfVikingMonogram
Whole range, parts and labor2 years; 3 with Factory Certified Installation2 years2 years
Later coverage, parts only5 years: gas burners, electric heating elements, electronic control boardsYears 3 to 5: surface, bake, broil, griddle and grill burners; bake, broil, convection and surface elements5 years: gas surface burners. Lifetime: the gray porcelain enamel oven racks
Left off that listThe appearance of a burnerIgnition systems, burner bases and burner caps; no control boards named for cookingGrill, griddle and oven burners; no elements or electronics named
The owner pays, on that later coverageLabor and every other costShipping, handling and laborThe service trip and labor
Counted fromThe date of original installationThe date of original retail purchase, or the closing date on new construction, whichever period is longerThe date of original purchase
Who does warranty workWolf Factory Certified Service; on the five-year list an owner using anyone else asks Wolf for the partA Viking authorized service agencyMonogram’s Factory Service Centers or an authorized Customer Care technician

Wolf will not reimburse a part bought elsewhere, so in years three to five the call to Wolf comes before any purchase. Viking’s warranty does not apply to damage resulting from repair by anyone other than its authorized agencies. Inside any maker’s full two years, the call belongs to the maker. All four makers’ terms, refrigeration included.

What Each Manual Asks of the Owner

None of these manuals sets a service interval for a range. Each asks for the same small things, most of them about the burners.

  1. 01

    Wolf

    Burner caps seated properly, the burner and igniter kept clean, and after a spill the area left to dry completely, with a hair dryer if you like. In the oven: no oven cleaner or liner of any kind, no foil, no cookware on the oven floor, and a door gasket that is never cleaned.

  2. 02

    Viking

    Burner caps lifted off and cleaned routinely, and always after a spill-over. Clogged ports cleared with a straight pin, never a toothpick, and no burner cap in the dishwasher. No ammonia or abrasives on the control panel or the knobs, and no oven cleaner in the oven.

  3. 03

    Monogram

    Burners cleaned routinely, without steel wool or scouring pads, which can clog the openings. Brass caps soaked in water and white vinegar, never brushed with metal. The white ceramic igniters kept dry and clean, and the metal tip of the electrode wiped with a soft cloth or an emery board.

Wolf’s care, step by step: burners, igniters and spills. A burner that sparks and will not light: Wolf’s and Viking’s own lists.

What Each Costs New

The makers’ own prices on their own sites on October 5, 2026, not ours and not a dealer’s. Wolf shows one price for each model, Viking a starting price for each series, width and burner layout. Viking’s are matched to Wolf’s layouts: four burners at 30 inches, six at 36, six and a griddle at 48. Monogram lists its own prices on monogram.com; they are not compared here.

RangeWolfViking, starting at
30-inch dual fuel$9,395 (DF30450/S/P)$8,399, 5 Series
36-inch dual fuel$14,405 (DF36650/S/P)$10,499, 5 Series; $16,279, 7 Series
48-inch dual fuel$18,395 (DF48650G/S/P, six burners and griddle)$16,279, 5 Series; $22,159, 7 Series
30-inch gas$6,655 (GR304)$5,999 sealed, $5,299 open burner, 5 Series
36-inch gas$8,955 (GR366)$7,999 sealed, $6,349 open burner, 5 Series; $10,799, 7 Series
48-inch gas$14,255 (GR486G, six burners and griddle)$12,999 sealed, 5 Series; $18,399, 7 Series; $9,799 open burner, 5 Series, eight burners and no griddle

Viking’s 30-inch 3 Series starts at $4,779 for the self-cleaning gas range and $5,499 for dual fuel. Every figure is the range alone, before delivery, installation, ventilation or any change to the gas or electrical supply. New Wolf prices set against the cost of a repair.

Which Is More Reliable?

No figure we could read answers it brand by brand, and we do not rank the three ourselves. This is what neutral publishers print, and what each number does and does not measure.

  1. 01

    Consumer Reports

    Its report on pro-style range brands, updated June 13, 2024, rates 14 brands, Monogram, Viking and Wolf among them, from member surveys covering 50,329 ranges bought between 2013 and 2023. Three brands earn above-average predicted reliability and four below, and it finds pro-style ranges less reliable than ordinary ones. The marks by brand are for members, and we do not reproduce them. They measure problems owners report, projected to the fifth year, not what failed or what it cost.

  2. 02

    Yale Appliance

    A New England dealer that sells Wolf and Monogram and has its own service department; it counts units needing service in their first twelve months against units sold. In articles of August 28 and September 2, 2026, it puts professional dual fuel ranges at about 19.9 percent and all-gas ranges at about 15.9, across brands, against 8.3 percent across everything it services. It does not sell or service Viking, and wrote in February 2025 that it had no accurate service data on Monogram yet.

  3. 03

    What that leaves

    A first-year rate from one dealer says nothing about year ten, and a survey mark nothing about a single range. For Viking there is no public service-rate figure that we could read. Both publishers put the category above their own comparison: Consumer Reports against ordinary ranges, Yale against all appliances.

Recalls are the other public record. A recall is not a failure rate: each names models and serial or date ranges, and each of these ended in a free repair. These five are not offered as a complete list.

CPSC recallRanges namedUnitsHazard
Wolf, 25-034, November 7, 2024Dual fuel ranges with infrared griddles, serials 18517201 to 18868311 and 10006001 to 10006009About 44,000A boil-over or spill can short-circuit the range and turn the griddle on
Wolf, 08-391, September 3, 200848-inch gas ranges P48, PS48 and R48About 24,000Delayed ignition of gas in the 18-inch oven
Viking, 22-082, February 16, 20225 Series gas ranges, VGR and VGIC models made August 10 to December 1, 2021About 3,050Rigid gas tubing can separate at the joint to the bake, broil and griddle burners
Viking, 15-144, May 21, 2015Gas ranges sold July 2007 to June 2014, VGIC, VGCC and VGSC modelsAbout 52,000The ovens can turn on by themselves
GE Monogram, 07-555, June 6, 2007Monogram professional gas ranges with griddles, 36 and 48 inches, made October 2005 to May 16, 2006About 2,600An electrical arc between the wiring and the griddle gas supply tube

The notices list the exact models and serials, and the tag on the range settles it. A recall repair is the maker’s to make, at no charge. Checks on a range that came with the house.

What does each maker say about service and parts?

Wolf’s guides send owners to Wolf Factory Certified Service, found through Wolf Customer Care at 800-222-7820. For parts, Sub-Zero Group names the parts distributor for each area, by phone, with a one-year warranty on the part, and says it attempts to keep replacement parts in stock for 20 years for most products.

Viking’s manuals say to call an authorized service agency, or Viking at 888-845-4641, and its support page links to a parts store and a servicer locator. Monogram’s warranty service runs through Monogram’s Factory Service Centers or an authorized Customer Care technician, scheduled through Bodewell. Its manual adds that servicing may use the range’s onboard data port, and that an owner may decline to have that data sent to Monogram.

We are none of those networks. Aphelion is an independent company, and inside a maker’s full two years the right call is to the maker. After that, our diagnostic visit is $119 for the first appliance and $69 for each additional appliance on the same visit, both waived if you go ahead with the repair. A repair made with the genuine parts we supply carries our 12-month warranty on parts and labor. What we repair on a range.

We repair the appliance itself; new gas lines and supply connections are work for a licensed gas contractor, and we will tell you plainly when a job has reached that line. If you ever smell gas, that is a different matter. Do not light anything or touch a switch; leave the house and call Southwest Gas, your propane supplier, or 911 from outside.

Which Suits Whom, in Our View

This section is opinion. It rests on the documented differences above, and it is not a ranking.

  1. 01

    You simmer more than you sear

    In our view, a Wolf dual fuel range: the only one of the three whose documents rate a simmer in Btu, as low as 300, and the only one whose five-year list names electronic control boards.

  2. 02

    You want the most heat under one pan

    In our view, a Monogram or a Viking 7 Series, both rated at 23,000 Btu. On propane the Monogram figure is 21,000, so read the LP line first.

  3. 03

    You want as few electronics as possible

    In our view, an all-gas range from Wolf or from Viking’s 5 or 7 Series: knobs, an indicator light, no screen and no clean cycle. The oven is then cleaned by hand.

  4. 04

    You want an app and a display

    In our view, a Monogram, with Wi-Fi and an LCD on both fuels, or a Wolf dual fuel range, where connecting is optional.

  5. 05

    You already own one of the three

    In our view, keep it. Nothing in these documents is a reason to pull out a working range for another make.

Questions

Is Wolf better than Viking?

No published figure settles it, and we do not rank the two. Wolf rates its dual fuel burners up to 20,000 Btu and as low as 300 Btu for a simmer, and its five-year warranty names electronic control boards. Viking’s 5 Series burners are 15,000 Btu, with one at 18,500 on select models, its 7 Series puts 23,000 Btu burners in front, and its later coverage names burners and oven elements, not ignition systems.

Which is more reliable: Wolf, Viking or Monogram?

No neutral publisher prints a failure rate by brand for these three ranges that we could read on October 5, 2026. Consumer Reports rates all three from member surveys and keeps the brand marks for members. Yale Appliance, a New England dealer that sells Wolf and Monogram, put first-year service at about 19.9 percent for professional dual fuel ranges and 15.9 percent for all gas, across brands, in articles of August and September 2026; it does not sell or service Viking, and wrote in February 2025 that it had no accurate service data on Monogram yet.

Which has the most powerful burners?

By the makers’ ratings on natural gas: Monogram, with two 23,000 Btu burners on its 36- and 48-inch six-burner tops, and Viking’s 7 Series, with 23,000 Btu burners across the front. Wolf’s dual fuel range has one 20,000 Btu burner and its gas range tops out at 15,000. Viking’s 5 Series burners are 15,000, with one at 18,500 on select models.

Do Wolf, Viking and Monogram gas ranges self-clean?

Mostly not. Wolf says its gas ranges have no self-clean feature, and Viking lists its 5 Series and 7 Series gas ranges as not self-cleaning. Monogram’s all-gas range has a 30-minute steam clean only. The dual fuel ranges of all three run a high-heat self-clean, and Viking sells a 30-inch 3 Series gas range as self-cleaning.

How do the Wolf, Viking and Monogram range warranties differ?

All three give two years of parts and labor on the whole range; Wolf gives three when a Factory Certified Installation company puts it in. After that, Wolf covers gas burners, electric heating elements and electronic control boards as parts for five years from installation. Viking covers burners and oven elements as parts in years three to five, not ignition systems. Monogram covers gas surface burners for five years, with the service trip and labor paid by the owner.

Sources

  1. Wolf Dual Fuel Range Use and Care Guide, 9069899 Rev-A (03/2025): oven care (pp. 4–6), controls and modes (p. 8), connecting (p. 11), Clean and 550°F (p. 16), burners, simmer, the power outage and ratings (p. 21), care and troubleshooting (pp. 24–25), service (p. 26), the warranty (p. 27).
  2. Wolf Gas Range Use and Care Guide, 9069898 Rev-A (03/2025): the knobs (p. 6), the oven and its buttons (p. 8), burners, simmer and ratings (p. 9), the lock-out (p. 13).
  3. Wolf quick reference sheets generated October 5, 2026, DF36650/S/P and GR366: burner ratings, 300 Btu, re-ignition, Dual VertiFlow, the gas oven burner and broiler, the electrical supply.
  4. Wolf and Sub-Zero Group answers, read October 5, 2026: Legacy Dual Fuel and Dual Fuel Range Comparison; Gas Burner Simmer and High Btu Ratings; GR Series Gas Range Total Btu Output; Self-Clean feature for a Gas Range; How to Order Product Parts; Length of Time Parts Are Available.
  5. Wolf Appliance Residential Limited Warranty with Factory Certified Installation (09/18): three years full, the same five-year list.
  6. Viking 5 Series Use & Care Manuals (04/2026): dual fuel, 089445-000 (power failure, p. 6; burners and oven, p. 8; re-ignition and VariSimmer, p. 10; burner heads, p. 27; self-clean, p. 30; troubleshooting and service, pp. 32–33) and gas, 089447-000 (pp. 6, 8 and 23; no self-clean section).
  7. Viking 7 Series Use & Care Manual, 066424-000D (10/2022): power failure (p. 6), burner ratings and ovens (p. 8), re-ignition (p. 13), cleaning (pp. 28–29), self-clean on dual fuel models only (p. 31).
  8. Viking specification sheets (02/2026), F60352E, dual fuel, and F60350F, gas: the 18,500 Btu burner on select models, natural gas and LP ratings, the bake burner, convection.
  9. Viking Indoor Appliances Warranty, 085216-000 (04/2025): the two-year, 90-day and five-year terms, the starting dates and the exclusions.
  10. Viking Range, vikingrange.com, October 5, 2026: the range listing and its starting prices; the 5, 7 and 3 Series range pages; Support FAQs (up to 750°F); Customer Support.
  11. Monogram owner’s manuals, Rev. 6: 49-2000663, dual fuel ranges ZDP304, ZDP366 and ZDP486 (setup, p. 9; power failure and re-ignition, p. 11; burners, p. 12; controls, p. 16; steam and self-clean, pp. 34–35; racks, p. 36; burner care, pp. 39–40; error codes, p. 41; the warranty, p. 43) and 49-2000662, all-gas ranges ZGP304, ZGP366, ZGP364 and ZGP486 (pp. 8, 10, 31, 35 and 39).
  12. GE Appliances, Monogram price book, effective 7/1/2023: the specification tables (pp. 18–19) and the warranty summary (p. 134). Its 2023 prices are not used here.
  13. GE Appliances pressroom, February 8, 2021: the redesigned Monogram professional range.
  14. Wolf, subzero-wolf.com, October 5, 2026: prices on the pages for DF30450/S/P, DF36650/S/P, DF48650G/S/P, GR304, GR366 and GR486G.
  15. Consumer Reports, Most and Least Reliable Pro-Style Range Brands (updated June 13, 2024).
  16. Yale Appliance blog: The Best 36-Inch Professional Ranges for 2026 (August 28, 2026); The Best 48-Inch Professional Ranges for 2026 (September 2, 2026); The Most Reliable Gas Ranges for 2026 (March 24, 2026), for the method; Wolf vs. Monogram Professional Dual Fuel Ranges (February 1, 2025).
  17. U.S. Consumer Product Safety Commission, recalls 25-034, 08-391, 22-082, 15-144 and 07-555.

Written from these sources, all checked on (checked again ), by Aphelion Appliance Repair, Phoenix. Ratings, cycles and terms belong to the series and documents named beside them; earlier ranges differ, prices change, and your own warranty paperwork governs your range. The last section is our opinion. Nothing here is a manufacturer’s instruction, and anything involving the gas supply is a licensed gas contractor’s work.

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