Outdoor cooking spaces demand equipment that balances physical footprint against dependable heat output. Finding the right cooker keeps weeknight dinners moving fast without crowding small decks or family patios.

Our analysis examines 10 options for October 2026 across diverse fuel types, grate builds, and total burner power. Home cooks evaluating alternative outdoor equipment can also examine our guide to the Best Charcoal Grills for Small Patios for compact fire setups.

1
Best Seller

Monument M415BZNG 50,000-BTU Grill

Monument Grills
In Stock
9.9 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict Monument M415BZNG is a natural gas grill with 50,000 BTU output, 630 square inches of cooking space, and a dedicated broil zone. Buy it for large outdoor cooking sessions, provided your patio has natural gas access.
Pros & Cons

Pros

  • 50,000 BTU total output
  • Dedicated high-heat broil zone
  • 630-square-inch cooking area
  • 304 stainless steel burners
  • Included natural gas hose

Cons

  • Natural gas use only
  • Large 107-pound footprint
  • Requires permanent gas access
Specifications
ColorStainless Steel
Dimensions22 x 55 x 45.5 Inches
Weight106.99915423908 pounds
Product GroupLawn & Patio
BindingTools & Home Improvement

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • 50,000 BTU across five burners supports fast, high-heat cooking
  • Broil zone reaches up to 650°F in 10 minutes
  • 630 square inches handles multiple dishes for group meals
  • 304 stainless steel burners resist heat, corrosion, and rust
  • Enamel-coated cast iron grates promote even heat distribution
  • Glass viewing window reduces lid opening during cooking
Best For / Avoid If

Best for buyers prioritizing

  • 50,000 BTU total output
  • Dedicated high-heat broil zone
  • 630-square-inch cooking area

Consider another option if

  • Natural gas use only
  • Large 107-pound footprint
  • Requires permanent gas access
2
Editor's Pick

SPIRE 30-Inch 5-Burner Grill

SPIRE
In Stock
9.9 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict This built-in propane grill combines five 10,000 BTU burners, a 13,000 BTU rear burner, and 750 square inches of cooking space. It suits homeowners planning large outdoor meals who need broad cooking capacity and rotisserie support.
Pros & Cons

Pros

  • Five high-output burners
  • 13,000 BTU rear burner
  • 750 square inches cooking space
  • 304 stainless steel construction
  • Easy-clean cooking surface

Cons

  • Built-in installation required
  • Large outdoor-kitchen footprint
  • Rotisserie accessory inclusion unspecified
Specifications
ColorStainless Steel
Size30" Built-in Grill
Dimensions25.55 x 34.05 x 23.07 inches
Product GroupLawn & Patio
BindingTools & Home Improvement

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Five 10,000 BTU burners provide flexible heat across cooking zones
  • 13,000 BTU rear burner supports rotisserie cooking and warming
  • 750 square inches handles multiple foods for group meals
  • 304 stainless steel grates resist rust and simplify cleanup
  • 304 stainless steel body supports outdoor durability
  • Built-in 30-inch format suits permanent outdoor kitchen installations
Best For / Avoid If

Best for buyers prioritizing

  • Five high-output burners
  • 13,000 BTU rear burner
  • 750 square inches cooking space

Consider another option if

  • Built-in installation required
  • Large outdoor-kitchen footprint
  • Rotisserie accessory inclusion unspecified
3
-20%
Nexgrill 5-Burner Grill with Side Burner
Limited Time

Nexgrill 5-Burner Grill with Side Burner

Nexgrill
In Stock
9.8 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$299.00 Save $59.80
$239.20
Quick Verdict Nexgrill propane grill with five stainless steel burners, porcelain cast iron grates, and a dedicated side burner. Strong fit for home cooks who need multi-zone outdoor cooking and space for sauces or side dishes.
Pros & Cons

Pros

  • Five stainless steel burners
  • Dedicated side burner
  • Porcelain cast iron grates
  • Rust-resistant porcelain-coated firebox
  • Large outdoor cooking area

Cons

  • Large footprint for compact patios
  • Propane fuel required
  • Cooking-area specifications appear inconsistent
Detailed Review

What stands out in the currently available product data:

  • Five burners support flexible heat control across multiple foods
  • Side burner keeps sauces and side dishes outdoors
  • Porcelain cast iron grates promote even heat distribution
  • Grate surface offers improved non-stick performance
  • Porcelain-coated steel firebox helps resist rust
  • Spacious cooking area suits steaks, vegetables, and seafood
Best For / Avoid If

Best for buyers prioritizing

  • Five stainless steel burners
  • Dedicated side burner
  • Porcelain cast iron grates

Consider another option if

  • Large footprint for compact patios
  • Propane fuel required
  • Cooking-area specifications appear inconsistent
4
Top Rated

Bestfire 5-Burner 68,000 BTU Grill

BESTFIRE
In Stock
9.8 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict Bestfire propane grill combines five main burners, side burner, and 647 square inches of cooking space for large backyard meals. Good fit for cooks who need multi-zone cooking, warming space, and built-in storage, but installation requires extra care.
Pros & Cons

Pros

  • 68,000 BTU total burner output
  • 647 square inches of cooking space
  • Porcelain-enameled cast iron grates
  • Built-in thermometer and push-button ignition
  • Four wheels with two locking casters

Cons

  • Installation process is relatively complicated
  • Large cooking capacity needs patio space
  • Propane tank required separately
Specifications
Color5+1 burners
Dimensions27.36 x 20.47 x 22.64 inches
Weight30 pounds
Product GroupLawn & Patio

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Five main burners create flexible heat zones for simultaneous grilling
  • Side burner handles sauces, sides, and low-heat cooking outdoors
  • 647 square inches supports large family meals and gatherings
  • Porcelain-enameled cast iron grates retain heat for searing
  • Push-button ignition and adjustable knobs simplify heat control
  • Warming rack keeps cooked food ready without crowding grates
Best For / Avoid If

Best for buyers prioritizing

  • 68,000 BTU total burner output
  • 647 square inches of cooking space
  • Porcelain-enameled cast iron grates

Consider another option if

  • Installation process is relatively complicated
  • Large cooking capacity needs patio space
  • Propane tank required separately
5
-10%
BESTFIRE 2-Burner 20,000 BTU Grill

BESTFIRE 2-Burner 20,000 BTU Grill

BESTFIRE
In Stock
9.8 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$105.99 Save $10.60
$95.39
Quick Verdict BESTFIRE tabletop propane grill uses dual independently adjustable burners with 20,000 BTU total output, stainless steel grates, and a built-in lid thermometer. It suits campers, tailgaters, RV owners, and patio cooks who need portable two-zone grilling.
Pros & Cons

Pros

  • Independent burner controls
  • 20,000 BTU total output
  • Built-in lid thermometer
  • Removable legs and locking lid
  • Dishwasher-safe cooking grates

Cons

  • Tabletop setup limits cooking capacity
  • Requires propane fuel
  • Removable legs add setup steps
Specifications
Color2 burner-new
Dimensions16 x 15 x 13 inches
Product GroupLawn & Patio

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Independent dual burners support direct and lower-heat cooking zones
  • 20,000 BTU total output supports strong outdoor grilling heat
  • High dome lid accommodates thicker steaks, ribs, and larger cuts
  • Push-button ignition starts the grill without a separate lighter
  • Removable legs, locking lid, and handle simplify transport
  • Removable grease tray and dishwasher-safe grates reduce cleanup
Best For / Avoid If

Best for buyers prioritizing

  • Independent burner controls
  • 20,000 BTU total output
  • Built-in lid thermometer

Consider another option if

  • Tabletop setup limits cooking capacity
  • Requires propane fuel
  • Removable legs add setup steps
6

Royal Gourmet 8-Burner 104,000 BTU

Royal Gourmet
In Stock
9.6 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict This propane grill combines 993 square inches of porcelain-enameled cooking space with eight independently controlled burners. It suits cooks who need multiple grilling zones and high capacity, but its 90.55-inch width demands substantial outdoor space.
Pros & Cons

Pros

  • 993-square-inch cooking area
  • 104,000 BTU total output
  • Eight independently controlled burners
  • Folding side tables and wind deflectors
  • Removable grease tray and collection cup

Cons

  • 90.55-inch overall width
  • 119-pound body limits easy repositioning
  • Liquid propane operation only
Specifications
ColorBlack & Silver
SizeGrill
Dimensions90.55 x 27.56 x 40.35 Inches
Weight119 pounds
Product GroupLawn & Patio
BindingAutomotive

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • 993-square-inch cooking surface handles large meals and group grilling
  • Eight 13,000-BTU burners create individually controlled grilling zones
  • Dual electronic ignition systems support push-button burner starts
  • Porcelain-enameled steel grates provide a treated cooking surface
  • Two grease-management systems simplify tray and cup removal
  • Folding side tables and wind deflectors reduce storage demands
Best For / Avoid If

Best for buyers prioritizing

  • 993-square-inch cooking area
  • 104,000 BTU total output
  • Eight independently controlled burners

Consider another option if

  • 90.55-inch overall width
  • 119-pound body limits easy repositioning
  • Liquid propane operation only
7

SPIRE 36-Inch 6-Burner Grill

SPIRE
In Stock
9.6 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 3, 2026
Last update on Oct 3, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict This built-in propane grill combines six 10,000 BTU burners with 904 square inches of total cooking space. It suits homeowners building an outdoor kitchen who need high capacity for group meals and rotisserie cooking.
Pros & Cons

Pros

  • Six high-output burners
  • 304 stainless steel construction
  • 904 square inches total cooking space
  • Rear rotisserie burner
  • Durable stainless steel grates

Cons

  • Requires built-in outdoor kitchen installation
  • Large cabinet and counter footprint
  • Warranty details not specified
Specifications
ColorStainless Steel
Size36" Built-in Grill
Dimensions25.2 x 40 x 21.8 inches
Product GroupLawn & Patio
BindingTools & Home Improvement

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Six 10,000 BTU burners support fast, flexible cooking across multiple heat zones
  • 904 square inches of total cooking space handles large meals and gatherings
  • 304 stainless steel body resists rust and simplifies surface cleanup
  • Stainless steel grates support durability, heat distribution, and easier maintenance
  • Rear burner adds rotisserie capability and warming flexibility
  • Built-in 36-inch format fits permanent outdoor kitchen installations
Best For / Avoid If

Best for buyers prioritizing

  • Six high-output burners
  • 304 stainless steel construction
  • 904 square inches total cooking space

Consider another option if

  • Requires built-in outdoor kitchen installation
  • Large cabinet and counter footprint
  • Warranty details not specified
8

Charbroil Portable 190-Sq.-In. Grill

Charbroil
In Stock
9.5 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
Quick Verdict This portable one-burner propane grill provides 190 square inches of cooking space in an 11-pound steel body. Porcelain-coated grates simplify cleanup, making it suitable for space-limited cooks who need portable outdoor grilling.
Pros & Cons

Pros

  • 190 square inches of cooking space
  • Porcelain-coated, rust-resistant grates
  • 11-pound portable design
  • Minimal assembly required
  • Steel construction with high-temperature finish

Cons

  • One-burner cooking system
  • 90-day parts warranty
  • Limited cooking area for groups
Specifications
ColorBlack
SizeStandard
Dimensions24 x 12 x 15 inches
Weight11 pounds
Product GroupLawn & Patio
BindingApparel

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • 190 square inches supports compact outdoor meals
  • Porcelain-coated grates resist rust and simplify cleanup
  • Liquid propane provides convenient portable cooking
  • Steel construction supports regular outdoor use
  • High-temperature finish helps resist rust
  • Minimal assembly gets grilling setup moving faster
Best For / Avoid If

Best for buyers prioritizing

  • 190 square inches of cooking space
  • Porcelain-coated, rust-resistant grates
  • 11-pound portable design

Consider another option if

  • One-burner cooking system
  • 90-day parts warranty
  • Limited cooking area for groups
9
-20%
GRILL DEPOTS 4-Burner Propane Grill

GRILL DEPOTS 4-Burner Propane Grill

GRILL DEPOTS
In Stock
9.5 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 2, 2026
Last update on Oct 2, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$199.99 Save $40.00
$159.99
Quick Verdict This four-burner propane grill offers 40,000 BTU, porcelain-enameled cast iron grates, and folding side tables for larger family meals. Best for patio cooks needing broad cooking space, flexible food support, and easier storage.
Pros & Cons

Pros

  • 40,000 BTU total burner output
  • Four independently adjustable burners
  • Porcelain-enameled cast iron grates
  • Folding side tables
  • Removable grease tray

Cons

  • 35-pound build may feel lightweight
  • Four burners require more propane management
  • Large 45-inch width needs storage space
Specifications
ColorBlack Silver
Size4-Burner
Dimensions13.8 x 45 x 39 inches
Weight35 Pounds
Product GroupLawn & Patio

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Four independently adjustable burners support separate heat zones for varied foods
  • Porcelain-enameled cast iron grates support searing and resist rust
  • Perforated griddle pan handles fish, seafood, vegetables, and breakfast foods
  • Folding side tables add prep space, then reduce storage footprint
  • Removable grease tray and detachable grates simplify cleanup
  • Two wheels and side propane hook support easier backyard repositioning
10
-25%
La Bolata 4-Burner Propane Grill

La Bolata 4-Burner Propane Grill

La Bolata
In Stock
9.5 /10
ACMS Score
ACMS Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions.
Updated: Oct 1, 2026
Last update on Oct 1, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Creators API.
$319.99 Save $80.00
$239.99
Quick Verdict La Bolata 4-Burner Propane Grill offers 49,000 BTU across four main burners, a side burner, cast iron cooking surfaces, and a dedicated griddle plate. It suits home cooks who need flexible capacity for family meals and backyard gatherings.
Pros & Cons

Pros

  • 49,000 BTU total output
  • Dedicated cast iron griddle plate
  • 9,000 BTU side burner
  • Slide-out grease tray
  • Built-in thermometer

Cons

  • Large 48-inch overall width
  • 57.3-pound weight limits portability
  • Warranty details not provided
Specifications
ColorBlack, Silver
Size4-Burner
Dimensions19 x 48 x 45 Inches
Weight57.3 pounds
Product GroupLawn & Patio

Verify the current product variation before purchase; specifications may change.

Detailed Review

What stands out in the currently available product data:

  • Four 10,000 BTU burners provide separate cooking zones for varied foods
  • 9,000 BTU side burner handles sauces and sides without crowding grill space
  • Cast iron grids and griddle plate support searing, pancakes, and mixed menus
  • Stainless steel heat distributor and porcelain flame tamers support more even cooking
  • Double-walled stainless steel lid helps retain heat during covered cooking
  • Slide-out grease tray and detachable cup simplify grease removal
Best For / Avoid If

Best for buyers prioritizing

  • 49,000 BTU total output
  • Dedicated cast iron griddle plate
  • 9,000 BTU side burner

Consider another option if

  • Large 48-inch overall width
  • 57.3-pound weight limits portability
  • Warranty details not provided

Key Factors in Choosing best midwized gas grills

Cooking Surface and Burner Geometry

Primary grate surface determines how many portions finish cooking simultaneously without crowding. Compact home cookouts generally operate smoothly on four hundred to six hundred square inches of primary grilling space.

Burner layout dictates whether heat applies evenly or leaves cool zones across cooking grids. Multiple dedicated burner tubes let cooks create separate direct and indirect heat zones for different meats.

Warming racks add secondary space for holding finished patties or gently toasting soft burger buns. Ensure rack clearance allows easy spatula movement across the rear section of lower primary cooking grates.

Firebox Material and Construction Quality

Thick stainless steel and porcelain-coated steel fireboxes preserve sustained internal heat across changing ambient conditions. High-grade metal walls also shield internal burners from blustery yard drafts during long evening cooks.

Corrosion resistance remains essential for units permanently parked outdoor near humid garden beds. Welded joints and 304 stainless steel parts protect against moisture penetration that causes structural metal fatigue.

Double-walled lids keep high interior temperatures steady without radiating intense heat out toward nearby users. Solid hoods also consume less gas fuel during prolonged slow-roasting procedures on family patio decks.

Grate Materials and Heat Retention

Porcelain-enameled cast iron grates hold substantial thermal mass for deep, dark sear patterns. The smooth exterior coating seals porous iron surfaces against moisture and speeds up post-meal wipe downs.

Heavy stainless steel rod grates provide dependable rust prevention without requiring recurring seasoning oil applications. They resist surface chipping from brass cleaning brushes while releasing delicate grilled poultry skin cleanly.

Wire grates heat up rapidly but carry lower heat storage capacity during cold-weather cooking sessions. Choose heavy metal options if dense beef cuts comprise the core rotation of weekly patio meals.

Grate StyleHeat StorageMaintenance StepPrimary Advantage
Enameled Cast IronVery HighGentle nylon scrapingStrong contact searing
304 Stainless RodHighStandard brass brushTotal rust immunity
Coated WireModerateSoak and soft spongeLightweight handling

BTU Output Versus Energy Efficiency

High BTU totals provide rapid firebox preheating before quick weekday searing tasks. However, high numbers mean nothing without a properly insulated cookbox that traps heat effectively beneath the lid.

Calculate heat density by dividing total main burner BTUs across available square inches of cooking space. Efficient midsize cookers reliably deliver between seventy and one hundred BTUs per square inch of primary surface.

Excessive fuel draw empties portable tanks rapidly without producing noticeable improvements in food surface caramelization. Balance rated burner output against actual lid construction when assessing potential hardware investments for your yard.

Fuel Source and Connection Requirements

Standard twenty-pound liquid propane tanks offer freestanding mobility for flexible patio furniture arrangements. Liquid fuel burns hot and clean while letting owners reposition carts away from strong prevailing seasonal breezes.

Natural gas hookups eliminate tank swaps entirely by feeding directly from residential outdoor utility lines. These setups require strict dedicated plumbed connections, limiting cart mobility while offering unlimited cooking runtimes for entertaining.

Dual-fuel compatible cookers support conversion kits when transitioning from standalone carts to permanent outdoor kitchen islands. Cooks considering different backyard cooking methods can review our Grills and Smokers category archive for diverse wood and charcoal alternatives.

Grease Management and Maintenance Access

Angled drip shields channel rendering grease safely away from open burner ports to reduce intense flare-ups. Effective shields vaporize small grease droplets instantly to impart authentic smoky barbecue aromas to cooking proteins.

Slide-out collection pans should remove smoothly from the front or side without requiring grill disassembly. Detachable catch cups simplify disposing of cooled animal fats into regular household waste containers.

Wide firebox floors collect loose food carbon that demands scheduled scraping to prevent grease basin flare-ups. Accessible drain funnels keep seasonal deep cleaning manageable for busy backyard pitmasters.

Why You Should Trust Us

Our kitchen reviews rely on thorough technical assessments of manufacturer build schematics, material gauges, and verified thermal specifications. We highlight practical tradeoffs, real footprint constraints, and maintenance tasks instead of repeating promotional factory marketing claims.

We analyze equipment durability across varying regional climates, verifying how metal alloys survive outdoor weather exposure. Our recommendations prioritize reliable parts engineering, safe heat containment, and practical home cooking usability.

Final Thoughts

Patio chefs wanting dependable plumbed utility power should consider the Monument Grills 4+1 Burner Natural Gas Grill. Its dedicated natural gas configuration, five-burner layout, and fast-heating broil zone provide strong searing flexibility for large cookouts.

Shoppers hunting for high cooking versatility at an accessible entry point will appreciate the Nexgrill 5-Burner Gas Grill with Side Burner. The porcelain cast iron grates and auxiliary side burner support multi-dish family meals without stretching tight home improvement budgets.

For custom outdoor kitchen islands demanding premium rust defense, the SPIRE 30″ Built-In 5 Burner Dual Fuel Grill delivers an all-304 stainless steel chassis with a dedicated rotisserie burner. If your cooking routine favors low-and-slow wood cooking over gas, explore our guide to the best pellet grill options.

FAQs

What defines the best midwized gas grills for residential patios in 2026?

Midsize units generally offer four hundred to six hundred square inches of cooking space across three to five burners. This sizing provides ample capacity for family meals while fitting comfortably on standard patio decks.

Are cast iron or stainless steel grates better on midsize gas cookers?

Cast iron delivers superior heat storage for bold steakhouse sear lines but demands careful drying to prevent rust. Stainless steel grates provide effortless maintenance and total rust resistance without requiring periodic oil seasoning.

Can liquid propane equipment run on natural gas lines safely?

Propane units require specific orifice conversion kits and regulators before connecting to residential natural gas lines. Never attach natural gas to an unadapted propane burner due to dangerous operating pressure differences.

How often should internal grease management pans be emptied?

Slide-out drip trays and grease catch cups require inspection every two to three extensive grilling sessions. Frequent emptying stops fat accumulation from igniting dangerous flare-ups during high-heat searing cooks.

What BTU level is ideal for a midsize outdoor cooker?

Look for thirty thousand to fifty thousand total BTUs distributed across the primary burners. This output generates fast preheating and maintains high griddle temps without wasting fuel unnecessarily.

Do side burners provide real utility on a patio grill?

Auxiliary side burners let cooks simmer barbecue glazes, boil corn, or sauté onions without running inside to the stove. They expand culinary workflow when preparing full multi-course meals outdoors.

Can tabletop models handle everyday family cooking duties?

Compact dual-burner tabletop models work well for one or two diners but lack space for multi-zone cooking. Campers needing ultra-compact options can check our guide to the Best Portable Grills for Camping for travel setups.

How do flame tamers protect internal burner tubes?

V-shaped metal flame tamers shield gas ports from dripping grease marinades that clog tiny burner openings over time. They also radiate heat upward across the cooking grate to eliminate cold spots.