Is Quartz Heat Resistant? What the Manufacturers Actually Say

Is quartz heat resistant? Yes, but it isn't heat proof. Every major quartz manufacturer says the same thing: quartz handles everyday warmth, but hot pans, bakeware and heat-producing appliances should always go on a trivet or hot pad. Direct or sustained heat can damage the surface, and heat damage is generally excluded from quartz warranties.

I get this question at nearly every consultation, usually from someone who cooks a lot and wants to know if they can slide a skillet off the burner onto the counter. The honest answer is no. Below is what the manufacturers themselves say, why quartz reacts to heat the way it does, and how to plan your kitchen around it. For the bigger picture on quartz, see our guide to what quartz countertops are.

Are Quartz Countertops Heat Resistant? What the Brands Say

Quartz makers publish care instructions. Here is what the major brands we work with say about heat, in their own words where it matters:

• Cambria says its quartz "may not withstand the direct transfer of heat from pots and pans and other cooking units such as electric frying pans and griddles, air fryers, slow cookers, roaster ovens, and heat lamps." It recommends a closed-weave hot pad or a solid trivet such as a breadboard.
• Silestone (Cosentino) calls Silestone heat resistant, but notes that sudden changes in temperature can affect it and highly recommends trivets.
• Caesarstone tells owners to "always place hot cookware on trivet and hot pads" and describes quartz as heat resistant but not heat proof.
• MSI Q Quartz asks owners to always use a trivet or hot pad between the countertop and any heat-generating device, including crock pots, deep fryers, hot pots and pans, and electric skillets.
• Corian Quartz says its quartz is "heat- and scratch-resistant, but not heat- and scratch-proof," and recommends trivets and hot pads.

None of these brands publishes a safe temperature for its surface. That's deliberate: what does damage depends on how hot the item is, how long it sits, and how fast the temperature changes. So the rule is simple: trivet every time.

Is Quartz Heat Resistant or Heat Proof? Why the Limits Exist

Engineered quartz is made mostly of ground quartz, bound together with resin and colored with pigments. The quartz mineral itself handles heat very well. The resin that holds it together is the more sensitive part, and it's what gives quartz its non-porous, low-maintenance surface.

Heat can affect quartz in two ways:

• Surface marks. Direct heat can discolor or scorch the surface under a hot pan. Caesarstone warns that a very hot pan straight out of the oven will burn the countertop and cause permanent damage.
• Thermal shock. A sudden, local temperature change can crack the slab. Cambria notes that sudden or rapid temperature changes, especially near edges, and direct or sustained heating can damage a stone surface. Caesarstone's warranty explains that thermal shock can happen when a hot pan, dish or other object is left on the countertop for more than a brief period.

Can You Put Hot Pans on Quartz?

No. Pans straight off the burner and bakeware straight from the oven are exactly the items every manufacturer tells you to set on a trivet or hot pad. A few habits make that easy:

1. Keep a trivet or wooden board next to the range and the oven, where you actually set things down.
2. Use the stovetop itself, or a cool burner, as a resting spot for hot pans.
3. Plan a heat-safe landing zone during design. Some homeowners add a built-in board or a length of counter beside the range where a trivet always lives.
4. Don't rely on a thin dish towel. Cambria specifically recommends a closed-weave hot pad or a solid trivet.

Air Fryers, Slow Cookers and Other Appliances on Quartz

Small appliances are the heat source people forget. They sit in one place for hours, and some vent heat downward. Manufacturers name them specifically:

• Air fryers and roaster ovens are on Cambria's list of items that need a hot pad or trivet.
• Slow cookers and crock pots: Cosentino warns against using crock pots, skillets or other hot items directly on Silestone, and MSI and Cambria also name them.
• Electric skillets and griddles appear on the Cambria and MSI lists.
• Deep fryers are on MSI's list.

A cutting board or a trivet under each of these solves the problem. If you run an air fryer or a slow cooker every day, pick a permanent spot for it and a trivet or board that stays under it.

Hot Pan on Quartz: Is Heat Damage Covered by the Warranty?

Generally, no. Quartz warranties come from the manufacturer, and the major brands exclude heat damage in their own terms:

• Cambria's warranty excludes damage from direct or sustained heat or cold, including sudden or rapid changes in temperature or thermal shock.
• Silestone's warranty excludes thermal shock from crock pots, skillets or other hot items placed directly on the surface, and damage from excessive heat or scorching.
• Caesarstone's residential warranty lists damage from excessive heat as improper use.
• MSI states that damage caused by thermal expansion is not covered under the Q warranty.

Read the warranty for the brand you choose. Our quartz brands page links to each brand we carry.

Quartz Heat Resistance Compared With Other Countertops

If heat is your top concern, it helps to know how quartz compares with natural stone:

• Quartzite is a natural stone. Cambria itself notes that quartzite is more heat resistant than quartz, though it still recommends trivets for both. Our quartz vs quartzite guide compares them in full.
• Granite is a natural stone that many cooks choose for heat, but it can still be damaged by sudden temperature changes, and it's porous, so it needs more care against stains. See quartz vs granite.

For most households, quartz's low maintenance and stain resistance outweigh the need to use a trivet. It's a habit, not a limitation.

Quartz and Heat in South Florida Outdoor Kitchens

Outdoor kitchens bring a second kind of heat: direct sun, most of the year. Built-in grills also add radiant heat right next to the countertop. Manufacturer terms for outdoor use differ by brand and product, so if you're planning a lanai or pool kitchen, check the manufacturer's outdoor guidance and warranty for the exact product before you choose. Our guide to outdoor quartz countertops in Florida and our outdoor countertops page cover the options.

What to Do If Your Quartz Has Heat Damage

A light scorch mark or a small crack isn't always the end of the countertop. Stop using the area for hot items, photograph the damage, and have a professional fabricator look at it before you try any cleaner or polish. Don't apply sealers or topical treatments to quartz; Cambria, for one, says not to apply any sealers, penetrants or topical treatments to its product. For everyday care, see our guide to cleaning quartz countertops.

The Bottom Line on Quartz and Heat

Quartz is heat resistant, not heat proof. Use a trivet or hot pad under hot pans, bakeware and heat-producing appliances every time, and your countertops will stay close to how they looked on install day. When you're ready to choose a color, browse our quartz countertops or get an instant figure from our quote calculator.