Storing a pizza oven for winter comes down to four jobs: clean it thoroughly, dry it completely, cover it with the right cover, and handle its fuel according to its type. Most winter damage happens not because ovens cannot survive cold weather, but because they are stored dirty or damp — moisture trapped against steel, a stone left wet, or pellets left in a hopper to absorb humidity. This guide walks through the fuel-specific steps, the cover fit, stone protection and the spring recommissioning checklist that gets the season started without surprises.
What winter does to pizza ovens
Cold itself rarely hurts a pizza oven; moisture and temperature cycling do. Rain and snow that sit on steel can start rust, water that freezes in a damp stone or firebox expands and can crack parts, and humidity finds its way into pellet hoppers, gas connections and storage areas. An oven that is clean and dry before storage shrugs off winter; an oven stored with last season's grease, ash or pellets gives moisture a place to work. The storage season is really a cleaning season with a cover at the end.
Clean before you cover
Give the oven the deep clean it deserves before it sits. Brush crumbs and ash off the stone and out of the firebox, wipe the interior walls, and clean the exterior with a product suited to its finish. Remove any removable parts — stone, trays, grates — and clean and dry them separately if your manual allows. Pay attention to seams, hinges and the door seal, where grease and moisture collect. Then let everything dry completely, ideally on a dry day, before the cover goes on. Covering a damp oven is worse than not covering it, because the cover holds the moisture against the steel.
Fuel and canister storage rules
Fuel handling depends on the oven type. For a gas oven, disconnect the tank, cap the connection, and store the tank outdoors, upright and ventilated, following local rules; store the hose and regulator indoors in a dry place if you can. For a pellet oven, empty or nearly empty the hopper so old pellets do not absorb moisture and clog the feed, and store pellets indoors in a sealed container — never leave the bag open in the garage for months. For an electric oven that comes indoors, the fuel question disappears, but the oven should still be cleaned and dried before storage, and its cord coiled without kinks.
If the oven stays in an unheated garage, shed or covered patio through winter, plan for temperature swings and humidity rather than just rain. Keep the oven off the bare floor where cold and moisture collect, add ventilation if the space traps humidity, and check on the oven mid-season — a quick look at the cover, the seams and any stored parts catches a problem in January that would be a repair by March. Outdoor storage is fine for most pizza ovens built for it, but "outdoors under a cover" still means checking the cover holds and the oven stays dry.
Before you decide where the oven will live, check what your climate does to the parts that matter. In freeze-thaw regions, a stone left outdoors can absorb moisture through the season; bringing it inside removes that risk entirely. In humid coastal areas, stainless bodies need a dry cover and an occasional wipe to prevent pitting. In dry cold climates, the main enemies are wind-driven snow and UV, which a fitted cover handles. Match the storage plan to your weather rather than copying a generic checklist.
Choosing the right cover
A cover is only useful if it fits. Measure your oven's height, depth and width, including the chimney if it stays on, and compare against the cover's listed dimensions — a cover that is too large flaps in wind and lets rain in, and one that is too small strains its seams. Choose a waterproof, UV-resistant cover designed for outdoor ovens, and check it for tears before you store the oven under it. If the cover is sized to a specific model, match it to yours; the 12-inch pellet oven, for example, pairs with a cover listed for 12-inch ovens, while larger models need their own size.
Protecting stone and parts
The pizza stone deserves special winter care. If your oven stays outdoors under a cover, the stone will still see temperature swings; make sure it is dry before storage and never pour water on it as a cleaning shortcut. If the stone is removable and you have indoor space, bringing it inside for winter is the safest option for the stone itself — a dry stone stored indoors cannot absorb winter moisture. Small removable parts like thermometers, probes and grates should come inside regardless; they are the parts most likely to be damaged or borrowed by weather.
Rust prevention is a fall job, not a spring job. Before storage, inspect the body, hinges, door seal and any exposed steel for early rust spots, and treat them with a stainless cleaner or a fine non-metallic pad before covering. Check gaskets and seals for cracking, because a failed seal lets moisture into the oven body all winter. If a part already shows real rust-through or a cracked stone, replace it now; storing a damaged part guarantees a worse problem in spring and means the oven is not ready when the season starts.
Spring start-up after winter storage
When the season returns, reverse the storage steps deliberately. Remove the cover on a dry day and inspect it for tears or mold. Check the stone for cracks and the body for rust spots, and treat any rust early. Reconnect gas systems and run a soapy-water leak test before the first light. Refill the pellet hopper with fresh, dry pellets and confirm the feed path is clear. Clean the grates and interior once more, then run the oven through a full preheat before your first pizza. An hour of spring recommissioning prevents most of the "why is my oven acting strange" problems of the first cook of the year.
Do the recommissioning as a two-step process rather than a race to the first pizza. Step one, on a dry day, is the inspection and cleaning above. Step two, before the first real cook, is a full preheat with nothing in the oven — let it run hot long enough to burn off any moisture or odors from storage, then check the flame or heat pattern. An oven that passes the empty preheat is ready for dough; an oven that misbehaves during it is better discovered before the first launch of the season.
If you are reading this after the oven has already spent a winter outdoors without preparation, do not panic — just add the spring steps in order. Inspect for rust and cracks first, because those decide whether parts need replacing. Clean and dry everything before the first fire, run a leak test if the oven is gas, and replace any pellets that sat through the season. Most ovens recover fully from an unprepared winter with nothing more than the spring checklist; the damage happens when rust or cracks are ignored and the oven is used as-is.
Whether your oven is gas, pellet or electric, the accessories that support storage — fitted covers, spare stones and fuel-storage containers — are part of the same seasonal system. The accessories collection and the fuel-specific collections (gas, pellet, electric) are the places to match covers and parts to your model before the next season begins.
Whether you store a gas, pellet or electric oven, the pattern is identical: clean, dry, cover correctly, and handle the fuel by its rules. Do that in the fall and the spring start-up becomes a short checklist — and the oven that cooked all summer is ready to do it again.
These steps are general guidance, and models vary: follow the manual for your specific unit, and verify temperatures with a clean thermometer where the text calls for one. Product details reflect official Big Horn Outdoors listings reviewed September 5, 2026; re-check prices and availability at checkout.
