{"product_id":"riga-iv-9x14-greenhouse","title":"Riga 4 9x14 Greenhouse","description":"\u003ch2\u003e\u003cstrong\u003eRiga IV (Riga 4) 9x14 Greenhouse\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRiga IV\u003c\/strong\u003e is the mid-to-large model in the Riga series — 135 sq ft of growing area in the same 9'8\" wide footprint as the Riga III, extended to 14 feet in length. It is the first Riga model to include \u003cstrong\u003etwo automatic roof openers\u003c\/strong\u003e, providing superior ventilation for the longer interior. Designed, engineered, and manufactured in Germany by Exaco with 28 years of experience, the Riga IV is built for serious year-round growing with the same “onion” arch profile, 100 mph wind rating, and premium polycarbonate glazing as the rest of the Riga lineup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips in 1–2 weeks.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eWhat’s Included — Basic Package\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e8mm UV-coated translucent twin-wall polycarbonate panels — sides and roof\u003c\/li\u003e\n\u003cli\u003e10mm translucent twin-wall polycarbonate panels — front and rear gables (added strength)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 roof windows\u003c\/strong\u003e (40\" W × 24\" D each) with automatic openers\u003c\/li\u003e\n\u003cli\u003e1 oversized rear wall window (30\" W × 42\" H) with adjustment arm\u003c\/li\u003e\n\u003cli\u003eHeavy-duty Dutch barn-style door with keyed lock (30\" W × 72\" H)\u003c\/li\u003e\n\u003cli\u003eFirst-class insulation — R\/K-value up to 1.89\u003c\/li\u003e\n\u003cli\u003e15-year warranty on aluminum frame\u003c\/li\u003e\n\u003cli\u003e10-year pro-rated warranty on polycarbonate panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild Your Package — Available Add-Ons\u003c\/h3\u003e\n\u003cp\u003eConfigure your Riga IV using the options above. Each add-on is included in the same shipment:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eWhat It Does\u003c\/th\u003e\n\u003cth\u003eAdded Cost\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnchor Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnchoring hardware to secure the greenhouse to a concrete pad or foundation\u003c\/td\u003e\n\u003ctd\u003e+$99.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Kit (Foundation Frame)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" H × 116\" W × 168\" D ground-installation frame; buried in trench and backfilled with soil to anchor the greenhouse and add interior height. Strongly recommended for soil\/lawn installations.\u003c\/td\u003e\n\u003ctd\u003e+$1,499.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eRiga IV vs. Riga III — Key Differences\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eRiga IV (this model)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/riga-iii-9x10-greenhouse\"\u003eRiga III\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14'\u003c\/td\u003e\n\u003ctd\u003e10'6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrowing Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e135 sq ft\u003c\/td\u003e\n\u003ctd\u003e102 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof Windows\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (with auto openers)\u003c\/td\u003e\n\u003ctd\u003e1 (with auto opener)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Kit Cost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+$1,499\u003c\/td\u003e\n\u003ctd\u003e+$1,299.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStarting Price\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e$7,289\u003c\/td\u003e\n\u003ctd\u003e$6,209\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMore growing length; 2-zone ventilation; larger harvests\u003c\/td\u003e\n\u003ctd\u003eCompact footprint; smaller gardens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Riga IV and Riga III share the same 9'8\" width and 7'7\" peak height. The Riga IV adds 3'6\" of length, 33 sq ft of growing area, and a second automatic roof opener for improved ventilation across the longer interior.\u003c\/p\u003e\n\u003ch3\u003eRiga Series Comparison\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003cth\u003eArea\u003c\/th\u003e\n\u003cth\u003eRoof Windows\u003c\/th\u003e\n\u003cth\u003eStarting Price\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga IIs\u003c\/td\u003e\n\u003ctd\u003e7'4\"\u003c\/td\u003e\n\u003ctd\u003e7'\u003c\/td\u003e\n\u003ctd\u003e7'\u003c\/td\u003e\n\u003ctd\u003e~48 sq ft\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSee listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga IIIs\u003c\/td\u003e\n\u003ctd\u003e7'8\"\u003c\/td\u003e\n\u003ctd\u003e10'6\"\u003c\/td\u003e\n\u003ctd\u003e7'1\"\u003c\/td\u003e\n\u003ctd\u003e81 sq ft\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e$5,939\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga III\u003c\/td\u003e\n\u003ctd\u003e9'8\"\u003c\/td\u003e\n\u003ctd\u003e10'6\"\u003c\/td\u003e\n\u003ctd\u003e7'7\"\u003c\/td\u003e\n\u003ctd\u003e102 sq ft\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e$6,209\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga IVs\u003c\/td\u003e\n\u003ctd\u003e9'8\"\u003c\/td\u003e\n\u003ctd\u003e13'10\"\u003c\/td\u003e\n\u003ctd\u003e7'7\"\u003c\/td\u003e\n\u003ctd\u003e~130 sq ft\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSee listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRiga IV (this model)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9'8\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14'\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7'7\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e135 sq ft\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e$7,289\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga V\u003c\/td\u003e\n\u003ctd\u003e9'8\"\u003c\/td\u003e\n\u003ctd\u003e17'6\"\u003c\/td\u003e\n\u003ctd\u003e7'7\"\u003c\/td\u003e\n\u003ctd\u003e165 sq ft\u003c\/td\u003e\n\u003ctd\u003e2+\u003c\/td\u003e\n\u003ctd\u003eSee listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiga XL series\u003c\/td\u003e\n\u003ctd\u003e9'8\"\u003c\/td\u003e\n\u003ctd\u003eUp to 30'+\u003c\/td\u003e\n\u003ctd\u003e7'7\"\u003c\/td\u003e\n\u003ctd\u003eUp to 300+ sq ft\u003c\/td\u003e\n\u003ctd\u003eMultiple\u003c\/td\u003e\n\u003ctd\u003eSee listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the Riga IV have two roof windows instead of one?\u003c\/strong\u003e\u003cbr\u003eThe Riga IV’s 14-foot length requires two roof windows to provide adequate ventilation across the full interior. A single roof window at one end would leave the far end of the greenhouse with insufficient airflow on hot days. The two automatic openers work independently, allowing the greenhouse to self-regulate temperature along its full length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the Riga IV and the Riga IVs?\u003c\/strong\u003e\u003cbr\u003eThe Riga IVs is the shorter “S” variant of the Riga IV series. Both models share the same 9'8\" width and 7'7\" height. Contact us for the specific length and pricing of the Riga IVs if you are comparing the two models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need the base kit (foundation frame)?\u003c\/strong\u003e\u003cbr\u003eThe base kit is strongly recommended for soil or lawn installations. The Riga IV base kit is a 6\" H × 116\" W × 168\" D aluminum frame buried in a trench and backfilled with soil to anchor the greenhouse and raise the interior height by 6\". Without a proper foundation, the greenhouse may shift over time. If installing on an existing concrete pad, the anchor option (+$99.99) may be more appropriate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Riga IV handle heavy snow loads?\u003c\/strong\u003e\u003cbr\u003eYes — the “onion” arch profile sheds snow automatically. The Riga IV has been tested against winds up to 100 mph and has never been blown away when properly anchored with the base kit or anchor option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does assembly take?\u003c\/strong\u003e\u003cbr\u003eAssembly takes approximately one full day for two people. Written instructions are included. The Riga assembly facilitation kit (metric tape, 10mm wrenches, ratchet straps, Boss 399 silicone caulk, window restraint cables) is available separately and contains all the specialized tools needed for the build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Riga IV expandable?\u003c\/strong\u003e\u003cbr\u003eNo — the Riga IV is a fixed-length model. If you anticipate needing more space in the future, consider the Riga XL series, which is designed to be expandable by adding additional sections.\u003c\/p\u003e","brand":"Exaco","offers":[{"title":"No - Skip Foundation Frame \/ No Upgrade","offer_id":59734431236382,"sku":"RIGA-IV-NOBASE","price":7999.0,"currency_code":"USD","in_stock":false},{"title":"No - Skip Foundation Frame \/ Add Premium Upgrade","offer_id":59734431301918,"sku":"RIGA-IV-UPG-NOBASE","price":10349.0,"currency_code":"USD","in_stock":false},{"title":"Yes \/ No Upgrade","offer_id":59734431203614,"sku":"RIGA-IV-FREEBASE","price":7999.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Add Premium Upgrade","offer_id":59734431269150,"sku":"RIGA-IV-UPG-FREEBASE","price":10349.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1078\/1802\/5246\/files\/Riga_4.2.webp?v=1786471249","url":"https:\/\/rigagreenhousekit.com\/products\/riga-iv-9x14-greenhouse","provider":"Riga Greenhouses","version":"1.0","type":"link"}