{"title":"Best Greenhouse For Cold Climates","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-elite-8x16","title":"Grandio Elite 8x16 Greenhouse Kit","description":"\u003ch2\u003eGrandio Elite 8x16 Greenhouse Kit – Barn-Style Design, Premium Insulation, 128 Sq Ft\u003c\/h2\u003e\n\u003ch3\u003eWhat Is the Grandio Elite 8x16?\u003c\/h3\u003e\n\u003cp\u003eThe Grandio Elite 8x16 is a full 8-foot-tall, barn-style hobby greenhouse offering 128 square feet of growing space. It’s part of Grandio’s premium Elite series, featuring 10mm twin-wall polycarbonate panels. Thicker and better-insulating than the 6mm panels found in the Ascent series. Along with a heavy-duty powder-coated aluminum frame, smooth-gliding double sliding doors, roof vents, built-in rain gutters, and an included snow load kit. All backed by Grandio’s industry-leading warranty.\u003c\/p\u003e\n\u003ch3\u003eWho Is the Grandio Elite 8x16 Best For?\u003c\/h3\u003e\n\u003cp\u003eThe Elite 8x16 is ideal for dedicated home gardeners and serious hobby growers who want a large, premium greenhouse with the best insulation available in a residential structure. It’s a top choice for growing vegetables, herbs, flowers, and tropical plants year-round across multiple dedicated zones, and for gardeners in cold or snowy climates who need maximum thermal retention across a generous footprint. It’s also a popular choice for anyone who wants a greenhouse that makes a visual statement in their backyard.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 8-ft tall barn-style roof\u003c\/strong\u003e – Classic, attractive design with generous headroom across the full 128 sq ft interior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10mm twin-wall polycarbonate panels\u003c\/strong\u003e – Superior insulation and UV diffusion — thicker than standard hobby greenhouse panels for better heat retention in cold climates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty powder-coated aluminum frame\u003c\/strong\u003e – Rust-proof, corrosion-resistant, and built for high winds and heavy snow loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble sliding doors\u003c\/strong\u003e – Smooth-gliding entry with easy access for people, wheelbarrows, and large containers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof vents\u003c\/strong\u003e – Ventilation to regulate temperature and prevent overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in rain gutters\u003c\/strong\u003e – Channels water away from the foundation to protect your installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnow load kit included\u003c\/strong\u003e – Engineered for heavy snow climates straight out of the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional back door transformation kit\u003c\/strong\u003e – Replace the rear wall with a second entrance for a true walkthrough layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnchor options\u003c\/strong\u003e – Choose Wood, Concrete, or Dirt to match your installation surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Premium Upgrade\u003c\/strong\u003e – Enhanced features for the most dedicated growers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow Does the Elite 8x16 Compare to the Elite 8x12?\u003c\/h3\u003e\n\u003cp\u003eThe Elite 8x16 offers 33% more growing space than the Elite 8x12 (128 sq ft vs. 96 sq ft), making it the right choice for gardeners who want to run three or more dedicated growing zones, accommodate large raised beds, or simply have the most room possible while staying in the Elite series. Both models share the same 10mm panel construction, barn-style roof, and included features, the 8x16 gives you significantly more interior space.\u003c\/p\u003e\n\u003ch3\u003eHow Does the Grandio Elite Differ from the Grandio Ascent?\u003c\/h3\u003e\n\u003cp\u003eThe Elite series offers two key upgrades over the Ascent series: 10mm twin-wall polycarbonate panels (vs. 6mm in the Ascent) for significantly better insulation and heat retention, and a distinctive barn-style roof design that maximizes interior volume and curb appeal. If you want the best insulation and the most attractive greenhouse Grandio makes, the Elite is the right choice.\u003c\/p\u003e\n\u003ch3\u003eIs the Grandio Elite 8x16 Easy to Assemble?\u003c\/h3\u003e\n\u003cp\u003eYes. The Elite 8x16 is designed for DIY assembly with a clear instruction manual and all necessary hardware included. Components are pre-cut and labeled for straightforward installation. Due to its size, a second pair of hands is recommended, and most customers complete assembly over a weekend.\u003c\/p\u003e\n\u003ch3\u003eWhat Anchor Option Should I Choose?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood\u003c\/strong\u003e – Best for mounting to an existing wood deck or raised platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete\u003c\/strong\u003e – Ideal for permanent installation on a concrete pad or patio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirt\u003c\/strong\u003e – Ground anchor option for direct soil installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 ft x 16 ft (128 sq ft)\u003c\/li\u003e\n\u003cli\u003eRoof Style: Barn-style\u003c\/li\u003e\n\u003cli\u003eRoof Peak Height: 8 ft\u003c\/li\u003e\n\u003cli\u003eFrame: Powder-coated aluminum\u003c\/li\u003e\n\u003cli\u003ePanels: 10mm twin-wall polycarbonate\u003c\/li\u003e\n\u003cli\u003eDoors: Double sliding doors\u003c\/li\u003e\n\u003cli\u003eVentilation: Roof vents included\u003c\/li\u003e\n\u003cli\u003eExtras: Rain gutters \u0026amp; snow load kit included\u003c\/li\u003e\n\u003cli\u003eWarranty: Backed by Grandio’s industry-leading warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e128 square feet. Full 8-ft barn-style height. 10mm premium insulation. The Grandio Elite 8x16 is the greenhouse for serious growers who refuse to compromise on space, performance, or style.\u003c\/p\u003e","brand":"Grandio Greenhouses","offers":[{"title":"Wood \/ No Upgrade","offer_id":51883794530616,"sku":"ELITE-816-W","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Wood \/ Add Premium Upgrade","offer_id":51883794628920,"sku":"ELITE-816P-W","price":4918.0,"currency_code":"USD","in_stock":true},{"title":"Concrete \/ No Upgrade","offer_id":51883794563384,"sku":"ELITE-816-C","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Concrete \/ Add Premium Upgrade","offer_id":51883794661688,"sku":"ELITE-816P-C","price":4918.0,"currency_code":"USD","in_stock":true},{"title":"Dirt \/ No Upgrade","offer_id":51883794596152,"sku":"ELITE-816-D","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Dirt \/ Add Premium Upgrade","offer_id":51883794694456,"sku":"ELITE-816P-D","price":4918.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/3770\/0664\/files\/Elite_8x8_Eagle_3.webp?v=1775764691"}],"url":"https:\/\/grandiogreenhouses.com\/collections\/best-greenhouse-for-cold-climates.oembed","provider":"Grandio Greenhouse","version":"1.0","type":"link"}