{"product_id":"empire-loft-29-small-vent-free-gas-fireplace-insert-20-000-btu","title":"Empire Loft 29\" Small Vent-Free Gas Fireplace Insert (20,000 BTU)","description":"\u003cp\u003eSame compact Loft insert, real heating intent: the 20,000 BTU version modulates down to 13,000 on natural gas and offers both control philosophies - millivolt for wireless simplicity, intermittent pilot for zero standby consumption. It converts a cold masonry firebox into the supplemental heater for the room it lives in.\u003c\/p\u003e\u003cp\u003eFitment is identical to its 10,000 BTU sibling - openings from 19-3\/8 inches tall - so the choice between them is purely about output and the room's size under the vent-free room-sizing rules.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis product is part of the Loft Vent-Free Insert family - use the selector above to compare sizes and control options.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20,000 BTU with modulation:\u003c\/strong\u003e down to 13,000 BTU (NG) \/ 16,000 (LP, millivolt) for long even burns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMV or IP under one listing:\u003c\/strong\u003e IP adds spark-on-demand ignition, AC adapter and AA backup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall-firebox fit:\u003c\/strong\u003e same 19-3\/8\" x 27-1\/2\" x 13-1\/2\" minimum cavity as the 10k model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurround system:\u003c\/strong\u003e \u003ca href=\"\/products\/empire-3-sided-4-sided-surrounds-for-small-and-medium-vent-free-insert\"\u003emetal surrounds\u003c\/a\u003e in two sizes plus a 4-sided flush option, or \u003ca href=\"\/products\/empire-cast-iron-surround-for-innsbrook-fireplace-inserts\"\u003ecast iron\u003c\/a\u003e + \u003ca href=\"\/products\/empire-surround-adaptor-kit-for-innsbrook-fireplace-inserts\"\u003eSAN20 adaptor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlower-ready:\u003c\/strong\u003e optional 120 V blower moves the convective share; flex line comes attached.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput (Natural Gas)\u003c\/td\u003e\n\u003ctd\u003e20,000 BTU max \/ 13,000 BTU min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput (Propane)\u003c\/td\u003e\n\u003ctd\u003e20,000 BTU max \/ 16,000 (MV) - 14,000 (IP) BTU min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eMillivolt or Intermittent Pilot (by variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003eNatural Gas or Liquid Propane (fuel-fixed at purchase - no field conversion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVenting\u003c\/td\u003e\n\u003ctd\u003eVent-Free (installs into an existing fireplace; no flue needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoom-Size Guidance\u003c\/td\u003e\n\u003ctd\u003eapprox. 50 cu ft of space per 1,000 BTU\/hr input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsert Body (measured)\u003c\/td\u003e\n\u003ctd\u003e19-1\/8\" H x 29-1\/4\" W x 14-5\/8\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Existing Fireplace Opening (measured)\u003c\/td\u003e\n\u003ctd\u003e19-3\/8\" H x 27-1\/2\" W x 13-1\/2\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired to Complete\u003c\/td\u003e\n\u003ctd\u003eSurround (metal 3\/4-sided or cast iron with adaptor kit) - sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlower\u003c\/td\u003e\n\u003ctd\u003eOptional (120 V, 1 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eANSI Z21.11.2 (design-certified by CSA, Unvented Room Heater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime parts + 5-yr labor (combustion chamber, heat exchanger); 5-yr parts and labor, other components; 1-yr remotes\/accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInstallation \u0026amp; Planning\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough opening:\u003c\/strong\u003e existing firebox at least 19-3\/8\" H x 27-1\/2\" W x 13-1\/2\" D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurround:\u003c\/strong\u003e required - closes the old opening and sets the finished face; the barrier screen ships mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion air:\u003c\/strong\u003e size the room honestly - allow roughly 50 cubic feet of space per 1,000 BTU\/hr of input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas:\u003c\/strong\u003e fuel-fixed - choose natural gas or propane at purchase, no field conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e millivolt variants need nothing but the gas line; IP variants want batteries in reach for outage nights; optional 120 V blower\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Empire Comfort Systems","offers":[{"title":"Millivolt \/ Propane","offer_id":50213099700463,"sku":"VFLC20IN32P","price":1959.0,"currency_code":"USD","in_stock":true},{"title":"Millivolt \/ Natural Gas","offer_id":50213099733231,"sku":"VFLC20IN32N","price":1959.0,"currency_code":"USD","in_stock":true},{"title":"Intermittent Pilot \/ Propane","offer_id":50213099765999,"sku":"VFLC20IN72P","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Intermittent Pilot \/ Natural Gas","offer_id":50213099798767,"sku":"VFLC20IN72N","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/5633\/8415\/files\/VFLC20IN32P-1_f674b9bd-0f0f-4a60-8951-b761e8c4cf7a.jpg?v=1784548041","url":"https:\/\/hearthdepot.com\/products\/empire-loft-29-small-vent-free-gas-fireplace-insert-20-000-btu","provider":"Hearth Depot","version":"1.0","type":"link"}