{"title":"RMH Wood Stoves","description":"\u003cp\u003eFor winter 2025 we are very pleased to be bringing to market our version of a Nordic Finnish Pönttöuuni Rocket Mass Heater Batch Box wood stove\u003c\/p\u003e","products":[{"product_id":"rmh","title":"RMH Pönttöuuni wood cook stove all in one biomass heating appliance firewood log burner","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNow Available for Preorder\u003c\/strong\u003e \u003cstrong\u003eHasty Heat All-in-One RMH Pönttöuuni Patio Heater Wood Cook Stove\u003c\/strong\u003e \u003cem\u003eThe Ultimate Biomass Heating Appliance – Rocket Mass Heater, Cooker, Water Heater \u0026amp; Biochar Maker\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eDiscover the next-generation Finnish-style \u003cstrong\u003ePönttöuuni Rocket Mass Heater (RMH)\u003c\/strong\u003e from HH — a true Swiss-army-knife wood stove engineered for maximum efficiency, clean burns, and year-round versatility.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis high-performance log burner features an all-refractory ceramic combustion chamber (zero metal to erode or replace) paired with nearly half a ton of thermal mass. Burn a hot, fast, clean fire once or twice a day, then let the stored heat radiate gently all night long through cozy \u003cstrong\u003eFAR infrared\u003c\/strong\u003e warmth — just like sunshine bouncing around your home. No inefficient smoldering overnight fires. No unattended burn risks. Just pure, safe, radiant comfort.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eMulti-Function Powerhouse\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-night heating\u003c\/strong\u003e from thermal mass (stores and slowly releases heat for 12+ hours)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooking\u003c\/strong\u003e on the removable griddle-lid surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater heating\u003c\/strong\u003e (optional internal boiler coil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric power generation\u003c\/strong\u003e (optional TEG thermal-electric generator)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon-negative biochar production\u003c\/strong\u003e for garden soil enrichment and true carbon sequestration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eEngineered for peak efficiency, ultra-clean emissions, and real-world function. Traditional Finnish Pönttöuuni designs achieve up to 91% heat retention by capturing flue gases in massive thermal storage instead of sending heat up the chimney. Exhaust temps drop to a gentle 100–200°F while your home stays warm — even in sub-zero conditions on as little as one bucket (~30 lbs) of wood per day for an 1,100 sq ft space.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eNext-Gen Design Advantages\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eElevated combustion chamber for toddler safety and easier loading\u003c\/li\u003e\n\u003cli\u003eRemovable top lid for simple cleaning + direct cooking surface\u003c\/li\u003e\n\u003cli\u003eAmbidextrous door for flexible installation\u003c\/li\u003e\n\u003cli\u003eShip lightweight, then fill on-site with local sand, rock, or aggregate (“sand battery” thermal store) to minimize freight costs\u003c\/li\u003e\n\u003cli\u003eDIY kit option (bring-your-own-barrel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eModels rolling out based on preorder demand:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col dir=\"auto\"\u003e\n\u003cli\u003eFull-size 55-gallon model\u003c\/li\u003e\n\u003cli\u003eCompact 16-gallon tiny-home \/ cabin model\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eOptional upgrades include stainless steel construction, stovetop oven or giant pot, insulation jackets for extended heat output duration, and more.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eAs with every Hasty Heat product, we prioritize efficiency, durability, clean combustion, and real-world usefulness. Updates and detailed specs will continue to drop as R\u0026amp;D progresses — follow the development thread on our blog.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003ePreorder now\u003c\/strong\u003e and help bring the next generation of clean, high-capacity, multi-function wood heating to market. Deliveries begin Fall 2026.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cspan\u003eStay\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ewarmer,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ecook\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003esmarter,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003esequester\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ecarbon,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eand\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ereclaim\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003etrue\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eoff-grid\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eindependence\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ewith\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ethe\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eHasty\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eHeat\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eRMH\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ePönttöuuni.\u003c\/span\u003e\u003c\/p\u003e","brand":"HastyHeat","offers":[{"title":"55G","offer_id":49214606573761,"sku":"rmh","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"30G","offer_id":49214606606529,"sku":"rmh","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"20G","offer_id":49214606639297,"sku":"rmh","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"16G","offer_id":49214606672065,"sku":"rmh","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"K55G","offer_id":49214858035393,"sku":"rmh","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"K30G","offer_id":49214858068161,"sku":"rmh","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"K20G","offer_id":49214858100929,"sku":"rmh","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"K16G","offer_id":49214858133697,"sku":"rmh","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"BBC","offer_id":49214903812289,"sku":"rmh","price":300.0,"currency_code":"USD","in_stock":true},{"title":"TEG","offer_id":49214903845057,"sku":"rmh","price":500.0,"currency_code":"USD","in_stock":true},{"title":"SSB","offer_id":49214903877825,"sku":"rmh","price":500.0,"currency_code":"USD","in_stock":true},{"title":"SSL","offer_id":49214903910593,"sku":"rmh","price":160.0,"currency_code":"USD","in_stock":true},{"title":"STO","offer_id":49214943625409,"sku":"rmh","price":400.0,"currency_code":"USD","in_stock":true},{"title":"STP","offer_id":49214943658177,"sku":"rmh","price":500.0,"currency_code":"USD","in_stock":true},{"title":"BIN","offer_id":49214958403777,"sku":"rmh","price":300.0,"currency_code":"USD","in_stock":true},{"title":"STIN","offer_id":49214958436545,"sku":"rmh","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1777\/7479\/products\/img_thermal_1508206277158.jpg?v=1551877254"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1777\/7479\/collections\/img_thermal_1508206277158.jpg?v=1751720350","url":"https:\/\/hastyheat.com\/de\/collections\/rmh.oembed","provider":"HastyHeat.com","version":"1.0","type":"link"}