{"title":"Portable Greenhouse For Winter","description":null,"products":[{"product_id":"heatstar-blue-flame-heater-10k-btu-propane","title":"HeatStar Blue Flame Heater — 10,000 BTU Propane","description":"\u003ch2\u003eHeatStar Blue Flame Heater — 10,000 BTU Propane\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHeatStar Blue Flame Heater — 10,000 BTU\u003c\/strong\u003e delivers safe, clean-burning propane heat for smaller greenhouses, shops, garages, or home spaces. At $230, it covers up to \u003cstrong\u003e300 square feet\u003c\/strong\u003e, operates without electricity, and requires no venting or chimney. It includes a built-in thermostat, blower fan, and battery-operated electronic ignition — and is freestanding with a feet kit included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Installation kit required:\u003c\/strong\u003e This heater requires the \u003cstrong\u003eRemote Propane Vent-Free Installation Kit\u003c\/strong\u003e to operate. It can be purchased separately or bundled with this heater at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cannot be shipped to California.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat Are the Key Specs?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Propane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTU output:\u003c\/strong\u003e 10,000 BTU (max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat coverage:\u003c\/strong\u003e Up to 300 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat:\u003c\/strong\u003e Built-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlower fan:\u003c\/strong\u003e Built-in 110V (factory-installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Electronic battery ignition (1 AA battery included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99.9%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVenting:\u003c\/strong\u003e Vent-free — no chimney or flue required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Freestanding only (feet kit included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18.5\" L × 11.25\" W × 22.75\" H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 20 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CSA certified for use in the USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-year limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow Does the 10K BTU Compare to the 20K BTU Model?\u003c\/h3\u003e\n\u003cp\u003eHeatStar Blue Flame propane heaters are available in two BTU outputs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000 BTU\u003c\/strong\u003e — $230 — covers up to 300 sq. ft., freestanding only, ships in 1–2 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20,000 BTU\u003c\/strong\u003e — $316 — covers up to 700 sq. ft., wall-mountable or freestanding, ships in 1–2 weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 10K model is the right choice for smaller greenhouses or spaces under 300 sq. ft. where the 20K would be oversized. Both models require the Remote Propane Vent-Free Installation Kit and cannot ship to California.\u003c\/p\u003e\n\u003ch3\u003eDoes This Heater Require an Installation Kit?\u003c\/h3\u003e\n\u003cp\u003eYes — this heater requires the \u003cstrong\u003eRemote Propane Vent-Free Installation Kit\u003c\/strong\u003e for proper installation. The kit can be added to your cart separately or bundled with the heater at checkout. Do not purchase this heater without also ordering the installation kit.\u003c\/p\u003e\n\u003ch3\u003eDoes It Work During a Power Outage?\u003c\/h3\u003e\n\u003cp\u003eYes — the HeatStar Blue Flame Heater operates without electricity, making it a reliable heat source during power outages. The electronic ignition runs on a single AA battery (included). The built-in 110V blower fan requires electricity to operate, but the heater itself will still produce heat without it.\u003c\/p\u003e\n\u003ch3\u003eIs This Heater Safe for Greenhouse Use?\u003c\/h3\u003e\n\u003cp\u003eThe HeatStar Blue Flame is a vent-free propane heater with a \u003cstrong\u003ebuilt-in low oxygen shut-off (ODS) sensor\u003c\/strong\u003e that automatically shuts the heater off if oxygen levels drop below a safe threshold — a critical safety feature for enclosed spaces like greenhouses. It is CSA certified for use in the USA. Note: this unit is \u003cstrong\u003enot approved for use in bedrooms\u003c\/strong\u003e. Ensure adequate ventilation in your greenhouse when operating any propane heater.\u003c\/p\u003e\n\u003ch3\u003eCan This Heater Ship to California?\u003c\/h3\u003e\n\u003cp\u003eNo — this heater \u003cstrong\u003ecannot be shipped to California\u003c\/strong\u003e due to state regulations on vent-free propane heating products. If you're in California, contact the Grandio team to discuss alternative greenhouse heating options.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000 BTU\u003c\/strong\u003e — heats up to 300 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e99.9% efficient\u003c\/strong\u003e — clean-burning propane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent-free\u003c\/strong\u003e — no chimney or flue required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in ODS sensor\u003c\/strong\u003e — auto shut-off if oxygen drops\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBuilt-in thermostat and blower fan\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks without electricity\u003c\/strong\u003e — battery electronic ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreestanding\u003c\/strong\u003e — feet kit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA certified\u003c\/strong\u003e — USA approved\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5-year limited warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation kit required\u003c\/strong\u003e — sold separately or bundled at checkout\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCannot ship to California\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShips in 1–2 business days\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIn stock — ships in 1–2 weeks. Cannot be shipped to California.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Grandio Greenhouses","offers":[{"title":"Default Title","offer_id":51883783979320,"sku":"Heatstar-10k-p","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/3770\/0664\/files\/heatstar-blue-flame-heater-2-jpg_75e222ee-67a8-4bc8-8446-4ca9911b20b1.jpg?v=1775763898"},{"product_id":"grandio-summit-12x12","title":"Grandio Summit 12x12 Greenhouse Kit","description":"\u003ch2\u003eGrandio Summit 12x12 Greenhouse Kit – Maximum Space, Commercial-Grade Performance\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGrandio Summit 12x12 Greenhouse Kit\u003c\/strong\u003e is Grandio's largest and most powerful barn-style greenhouse, engineered for serious gardeners who demand professional-level performance. With a soaring \u003cstrong\u003e9.25-foot peak height\u003c\/strong\u003e, \u003cstrong\u003e144 square feet\u003c\/strong\u003e of growing space, and massive lockable sliding doors, the Summit delivers the headroom, durability, and growing capacity to take your garden to the next level year-round.\u003c\/p\u003e\n\u003ch3\u003eWhat Makes the Grandio Summit 12x12 Stand Out?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.25-Foot Peak Height\u003c\/strong\u003e – Grandio's tallest greenhouse gives you room for tall plants, hanging baskets, trellises, and vertical growing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10mm Twin-Wall Polycarbonate Panels\u003c\/strong\u003e – Premium insulation retains heat in winter and diffuses sunlight evenly for healthier, more productive plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaviest-Duty Powder-Coated Aluminum Frame\u003c\/strong\u003e – Grandio's most robust frame — rust-proof, corrosion-resistant, and built to handle extreme snow loads and high winds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Snow Load Kit\u003c\/strong\u003e – Winter-ready right out of the box with no additional purchases required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable Double Sliding Doors\u003c\/strong\u003e – Wide, smooth-gliding doors with security locks make access easy and keep your greenhouse protected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof Vents for Airflow\u003c\/strong\u003e – Maintain the ideal growing temperature and prevent overheating during warm months.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Rain Gutters\u003c\/strong\u003e – Clean water management protects your foundation and keeps the perimeter tidy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBold Barn-Style Design\u003c\/strong\u003e – Maximizes vertical space and adds striking curb appeal to any backyard or property.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow Big Is the Grandio Summit 12x12?\u003c\/h3\u003e\n\u003cp\u003eThe Summit 12x12 measures \u003cstrong\u003e12 feet wide by 12 feet long\u003c\/strong\u003e, providing \u003cstrong\u003e144 square feet\u003c\/strong\u003e of interior growing space with a \u003cstrong\u003e9.25-foot peak height\u003c\/strong\u003e. This makes it one of the tallest and most spacious residential greenhouse kits available, with ample room for shelving, workbenches, raised beds, and large container plants.\u003c\/p\u003e\n\u003ch3\u003eIs the Grandio Summit 12x12 Easy to Assemble?\u003c\/h3\u003e\n\u003cp\u003eYes. The Summit 12x12 is designed for DIY assembly with pre-cut, numbered components and detailed step-by-step instructions. Most homeowners complete the build over a weekend with standard tools. Multiple assembly manuals are included and available for download.\u003c\/p\u003e\n\u003ch3\u003eWhat Anchor Options Are Available?\u003c\/h3\u003e\n\u003cp\u003eSelect the anchor method that best suits your site: \u003cstrong\u003eWood\u003c\/strong\u003e, \u003cstrong\u003eConcrete\u003c\/strong\u003e, or \u003cstrong\u003eDirt\u003c\/strong\u003e (Dirt anchor includes a Base Kit, adding $699). Each option provides a secure, stable foundation tailored to your yard's surface type.\u003c\/p\u003e\n\u003ch3\u003eCan I Upgrade the Grandio Summit 12x12?\u003c\/h3\u003e\n\u003cp\u003eYes. The optional \u003cstrong\u003ePremium Upgrade package\u003c\/strong\u003e adds enhanced features for an even more capable growing environment. You can also add a \u003cstrong\u003eBack Door Transformation Kit\u003c\/strong\u003e to replace the rear wall with a second entrance, perfect for through-access or improved airflow in your setup.\u003c\/p\u003e\n\u003ch3\u003eBacked by Grandio's Long-Term Warranty\u003c\/h3\u003e\n\u003cp\u003eThe Grandio Summit 12x12 is covered by Grandio Greenhouses' industry-leading warranty, so your investment is protected for the long haul.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMore space. More height. 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