{"product_id":"comfortbilt-alpine-hp40-pellet-stove","title":"ComfortBilt Alpine HP40 Pellet Stove","description":"\u003cp\u003eThe \u003cstrong\u003eComfortBilt Alpine HP40 pellet stove\u003c\/strong\u003e is the most compact ComfortBilt pellet stove we carry: 17\" wide, 18\" deep and 27\" tall. It heats up to 1,500 sq ft and delivers 13,458 to 26,224 BTU\/h in EPA testing from a 25 lb hopper. It is EPA certified at 0.742 g\/h with 81% efficiency (HHV). A room blower, automatic ignition, a programmable thermostat and a remote are built in or included. It vents through 3\" pellet pipe with a 2\" fresh-air intake and is approved for mobile homes. Finishes are Black, White and Burgundy.\u003c\/p\u003e\u003cdiv style=\"border: 2px solid #c8542a; border-radius: 8px; padding: 16px 20px; margin: 20px 0; background: #fdf7f3;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003e✔ Required for Your Alpine HP40 Installation\u003c\/h3\u003e\n\u003cp style=\"margin: 4px 0 12px; font-size: 0.9em;\"\u003e\u003cem\u003ePer the \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0411\/0670\/2486\/files\/HP40_Manual.pdf?v=1724350596\" target=\"_blank\"\u003eAlpine HP40 owner's manual\u003c\/a\u003e — every pellet stove install needs these:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e☑ \u003cstrong\u003e\u003ca href=\"\/products\/comfortbilt-duravent-3-pellet-stove-piping-kit\"\u003e3\" Type-L Pellet Vent Kit\u003c\/a\u003e\u003c\/strong\u003e — complete piping for a standard through-wall installation (includes the required appliance adapter).\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e☑ \u003cstrong\u003e\u003ca href=\"\/collections\/hearth-pads\"\u003eHearth Pad\u003c\/a\u003e\u003c\/strong\u003e — non-combustible (Type 1 ember protection) floor protection reaching at least 6\" past the glass and 6\" past both sides of the stove.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e☑ \u003cstrong\u003e\u003ca href=\"\/products\/duravent-3-pelletvent-pro-wall-thimble-air-intake-kit\"\u003eOutside Air Kit\u003c\/a\u003e\u003c\/strong\u003e — \u003cem\u003erequired\u003c\/em\u003e for mobile homes; recommended for basements and tightly sealed homes. The stove has a 2\" intake; the kit is sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 12px 0 0; font-size: 0.9em;\"\u003e\u003cem\u003eOptional: \u003ca href=\"\/products\/duravent-3-pelletvent-pro-straight-pipe\"\u003eextra pipe lengths\u003c\/a\u003e \u0026amp; \u003ca href=\"\/products\/duravent-3-pelletvent-pro-90-degree-elbow\"\u003eelbows\u003c\/a\u003e for longer runs · \u003ca href=\"\/products\/duravent-3-pelletvent-pro-single-tee-clean-out-cap\"\u003eclean-out tee\u003c\/a\u003e for vertical installs.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3\u003eWho the Alpine HP40 is for\u003c\/h3\u003e\u003cp\u003eThe HP40 is built for spaces where a full-size stove won't fit or would overheat the room:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCabins, sunrooms, finished basements, workshops, additions and smaller homes up to about 1,500 sq ft.\u003c\/li\u003e\n\u003cli\u003eTight floor plans. It needs only 4\" behind it with horizontal venting and 8\" to a side wall.\u003c\/li\u003e\n\u003cli\u003eZone heating one living area so the furnace runs less.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHeating capacity depends on climate, insulation and layout. Like every pellet stove it runs on electricity, so it stops during a power outage.\u003c\/p\u003e\u003ch3\u003eHopper and burn time\u003c\/h3\u003e\u003cp\u003eThe 25 lb hopper takes a little over half of a standard 40 lb bag. ComfortBilt doesn't publish a burn time for the HP40, and a small hopper means more frequent refills than a big stove, especially on higher settings. If you want to fill less often, the \u003ca href=\"\/products\/comfortbilt-alpine-hp41-pellet-stove\"\u003eAlpine HP41\u003c\/a\u003e holds 52 lb and the \u003ca href=\"\/products\/comfortbilt-alpine-hp42-pellet-stove\"\u003eAlpine HP42\u003c\/a\u003e holds 120 lb.\u003c\/p\u003e\u003ch3\u003eHeat output and efficiency\u003c\/h3\u003e\u003cp\u003eEPA testing puts the HP40 at 13,458 to 26,224 BTU\/h, with 81% efficiency (HHV) and 0.742 g\/h particulate emissions. That output suits a small space: enough to warm a cabin on a cold night without driving you out of the room. In Temp mode you can switch on ECO, which shuts the stove off once the room reaches your set temperature and relights it when the room cools. ComfortBilt notes that ECO adds wear on the igniter, so use it on mild days rather than all winter.\u003c\/p\u003e\u003ch3\u003eControls\u003c\/h3\u003e\u003cp\u003eThe control panel offers four modes: Manual (five heat levels), Temp (set a room temperature from 61°F to 82°F), Weekly (up to four on\/off periods for each day) and Thstat for a wired wall thermostat. The included remote handles everyday changes, and the ash pan pulls out for cleaning.\u003c\/p\u003e\u003ch3\u003eAlpine HP40 vs. HP41 vs. HP42\u003c\/h3\u003e\u003cp\u003eThe three Alpine models share the same controls and venting; they differ in size, hopper and output.\u003c\/p\u003e\u003cp class=\"medium-hide large-up-hide\" style=\"font-size:1.4rem;font-weight:700;color:#c45f1c;margin:0 0 0.6rem\"\u003e↔ Swipe the table to see more →\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;padding:1px;background:linear-gradient(to right,#fff 30%,rgba(255,255,255,0)),linear-gradient(to right,rgba(255,255,255,0),#fff 70%) 100% 0,radial-gradient(farthest-side at 0 50%,rgba(0,0,0,0.25),rgba(0,0,0,0)),radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,0.25),rgba(0,0,0,0)) 100% 0;background-repeat:no-repeat;background-size:40px 100%,40px 100%,16px 100%,16px 100%;background-attachment:local,local,scroll,scroll\"\u003e\u003ctable style=\"width:680px;min-width:680px;table-layout:auto;border:0.1rem solid rgba(var(--color-foreground),0.2);box-shadow:none\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/comfortbilt-alpine-hp40-pellet-stove\"\u003eComfortBilt Alpine HP40\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/comfortbilt-alpine-hp41-pellet-stove\"\u003eComfortBilt Alpine HP41\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/comfortbilt-alpine-hp42-pellet-stove\"\u003eComfortBilt Alpine HP42\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating area\u003c\/td\u003e\n\u003ctd\u003eUp to 1,500 sq ft\u003c\/td\u003e\n\u003ctd\u003eUp to 2,200 sq ft\u003c\/td\u003e\n\u003ctd\u003eUp to 2,500 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA output range\u003c\/td\u003e\n\u003ctd\u003e13,458–26,224 BTU\/h\u003c\/td\u003e\n\u003ctd\u003e12,744–32,155 BTU\/h\u003c\/td\u003e\n\u003ctd\u003e14,857–42,370 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHopper\u003c\/td\u003e\n\u003ctd\u003e25 lb\u003c\/td\u003e\n\u003ctd\u003e52 lb (40 usable)\u003c\/td\u003e\n\u003ctd\u003e120 lb (100–110 usable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated burn time\u003c\/td\u003e\n\u003ctd\u003eNot published\u003c\/td\u003e\n\u003ctd\u003eUp to about 20 hours\u003c\/td\u003e\n\u003ctd\u003eUp to 80 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency (HHV)\u003c\/td\u003e\n\u003ctd\u003e81%\u003c\/td\u003e\n\u003ctd\u003e80.3%\u003c\/td\u003e\n\u003ctd\u003e86.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003e0.742 g\/h\u003c\/td\u003e\n\u003ctd\u003e1.59 g\/h\u003c\/td\u003e\n\u003ctd\u003e1.07 g\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e17\"\u003c\/td\u003e\n\u003ctd\u003e18.5\"\u003c\/td\u003e\n\u003ctd\u003e24.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSide wall clearance\u003c\/td\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003ctd\u003e24\"\u003c\/td\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eChoose the HP40 for a small space or a tight corner. Step up to the HP41 to heat a mid-size home (note its 24\" side wall clearance), or to the HP42 if you'd rather fill the hopper a couple of times a week.\u003c\/p\u003e\u003ch3\u003eVenting and installation\u003c\/h3\u003e\u003cp\u003eUse 3\" or 4\" Type L or PL pellet vent, starting with a 3\" appliance adapter on the exhaust. The \u003ca href=\"\/products\/comfortbilt-duravent-3-pellet-stove-piping-kit\"\u003eComfortBilt 3\" pellet vent kit\u003c\/a\u003e covers a standard through-wall install. The 3\" system allows up to 17 equivalent vent length (EVL) and 4\" up to 27; each 90° elbow or tee counts 5. Switch to 4\" if the flue is taller than 12 ft or you live above 5,000 ft. Keep horizontal runs to 4 ft, and ComfortBilt recommends at least 3 ft of vertical pipe on through-wall installs. See our \u003ca href=\"https:\/\/stovesource.com\/blogs\/guides\/pellet-stove-venting-guide\"\u003epellet stove venting guide\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eOutside air through the 2\" intake is required in mobile homes and recommended for basements and tight houses; the \u003ca href=\"\/products\/duravent-3-pelletvent-pro-wall-thimble-air-intake-kit\"\u003eDuraVent 3\" wall thimble air intake kit\u003c\/a\u003e provides it. In a mobile home the stove must also be permanently attached to the floor and grounded to the chassis. Clearances are in the table below.\u003c\/p\u003e\u003ch3\u003eFloor protection\u003c\/h3\u003e\u003cp\u003eUnless the stove sits on a non-combustible floor or masonry hearth, it needs a non-combustible floor protector extending 6\" in front of the glass and 6\" on each side, plus 2\" beneath the flue pipe on horizontal installs. At 17\" wide, that means a pad at least 29\" wide. Shop our \u003ca href=\"\/collections\/hearth-pads\"\u003ehearth pads\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy buy the ComfortBilt Alpine HP40 from StoveSource\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Sales Tax\u003c\/strong\u003e in any state.\u003c\/li\u003e\n\u003cli\u003eFree shipping on orders over $250 to the lower 48. \u003cspan class=\"ss-avail\" data-handle=\"comfortbilt-alpine-hp40-pellet-stove\"\u003eShips in 1–2 days\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eAuthorized ComfortBilt dealer, with the full manufacturer's warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/price-match\"\u003ePrice match guarantee\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eReal help with sizing, venting and clearances: call \u003cstrong\u003e1-888-914-0022\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ComfortBilt","offers":[{"title":"Black","offer_id":67694264647932,"sku":"HP40-Alpine","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":67694264680700,"sku":"HP40-Alpine-White","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"Burgundy","offer_id":67694264713468,"sku":"HP40-Alpine-Red","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/9944\/0892\/files\/comfortbilt-HP40-alpine-pellet-stove-studio.jpg?v=1791898146","url":"https:\/\/stovesource.com\/products\/comfortbilt-alpine-hp40-pellet-stove","provider":"StoveSource","version":"1.0","type":"link"}