{"product_id":"alorair-hd55-crawl-space-dehumidifier","title":"AlorAir Sentinel HD55 Crawl Space \u0026 Basement Dehumidifier","description":"\u003c!-- more --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003ePull Up to 113 PPD and Cover 1,200 Sq.Ft. With One Crawl Space Dehumidifier\u003c\/h2\u003e\n\u003cp\u003eThe AlorAir Sentinel HD55 is a heavy-duty \u003cstrong\u003ecrawl space dehumidifier\u003c\/strong\u003e built to keep humidity locked between 36% and 90% — automatically, and without you lifting a finger.\u003c\/p\u003e\n\u003cp\u003eYou set it once and walk away. No hauling water buckets, no checking tanks, no guessing if it's actually working. It drains itself by gravity, restarts itself after a power outage, and keeps running even when your crawl space drops to 36°F.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/alorair-hd55-basement-dehumidifier-wifi-energy-star-detail.jpg?v=1786485852\" alt=\"AlorAir Sentinel HD55 Crawl Space \u0026amp; Basement Dehumidifier - hero view\" style=\"width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/alorair-hd55-basement-dehumidifier-wifi-side-angle.jpg?v=1786485852\" alt=\"AlorAir Sentinel HD55 blue dehumidifier with MERV-1 filter panel open, protecting internal components from dust\" style=\"width: 100%; height: auto;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/hd55-basement-dehumidifier-wifi-energy-star-detail_a95d0a94-ccbd-4f2a-84fc-cc34587a23ad.jpg?v=1786485852\" alt=\"AlorAir Sentinel HD55 Blue WiFi performance stats: 53 PPD AHAM, 113 PPD saturation, 1,200 sq ft coverage\" style=\"width: 100%; height: auto; margin-top: 20px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; justify-content: center;\"\u003e\n\u003ch2\u003eA Basement Dehumidifier Engineered to Run Itself\u003c\/h2\u003e\n\u003cp\u003eThe rare earth alloy tube evaporator resists corrosion and freon leakage, so the coil lasts longer and performs better, year after year.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Defrost Technology\u003c\/strong\u003e — worried about it freezing up in a cold crawl space? It keeps working reliably down to 36°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV-1 Filter\u003c\/strong\u003e — dust and debris eventually kill internal components; this filter keeps them protected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravity Drainage\u003c\/strong\u003e — skip the daily tank-emptying routine entirely; it drains on its own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Restart\u003c\/strong\u003e — a power outage won't wipe your settings; it remembers and resumes automatically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Diagnosis System\u003c\/strong\u003e — no more guessing what's wrong; error codes give you clear troubleshooting tips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecETL Certified\u003c\/strong\u003e — built and tested to handle rugged crawl space and basement conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Foot Pad \u0026amp; Portable Handle\u003c\/strong\u003e — install it, move it, or level it without a struggle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/basement-dehumidifier-wifi-energy-star-detail-closeup.webp?v=1786485852\" alt=\"AlorAir Sentinel HD55S white dehumidifier with 2026 Energy Star certification for energy efficiency\" style=\"width: 100%; height: auto;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/sentinel-hd55-basement-dehumidifier-wifi-detail.jpg?v=1786485852\" alt=\"AlorAir-C app screenshots showing multiple connected AlorAir Sentinel HD55 WiFi dehumidifiers\" style=\"width: 100%; height: auto; margin-top: 20px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; justify-content: center;\"\u003e\n\u003ch2\u003eGo Beyond the Basics With a WiFi Dehumidifier That Reports Back to You\u003c\/h2\u003e\n\u003cp\u003eThe HD55 Blue WiFi and HD55S WiFi models connect to the free AlorAir-C app, so you never have to physically check the unit to know it's doing its job.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Remote Monitoring\u003c\/strong\u003e — worried it's not running while you're away? Check real-time humidity and settings from your phone, anywhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Manual Emptying\u003c\/strong\u003e — there's no internal tank to check hourly; it's fully automatic gravity drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Star Certified (HD55S WiFi)\u003c\/strong\u003e — as an \u003cstrong\u003eenergy star dehumidifier\u003c\/strong\u003e, it delivers a higher COP of 2.4 L\/kWh for lower running costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary Compressor (HD55S WiFi)\u003c\/strong\u003e — built to resist short-cycling, which means a longer service life for the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Humidistat\u003c\/strong\u003e — dial in precise humidity control instead of rough estimates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eAlorAir Sentinel HD55 Crawl Space Dehumidifier Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e115 V\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCapacity (HD55 Blue \u0026amp; Blue WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e113 PPD Saturation, 53 PPD AHAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCapacity (HD55S WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e120 PPD Saturation, 55 PPD AHAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCoverage Area (HD55 Blue \u0026amp; Blue WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eUp to 1,200 Sq.Ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCoverage Area (HD55S WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eUp to 1,300 Sq.Ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCOP (HD55 Blue \u0026amp; Blue WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e2.27 L\/kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCOP (HD55S WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e2.4 L\/kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eAirflow (HD55 Blue \u0026amp; Blue WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e120 CFM, 205 CMH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eAirflow (HD55S WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e130 CFM, 230 CMH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eSound Pressure Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u0026lt;50-52 dBA (varies by model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eDraining\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eGravity Drainage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eFunctioning Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e33.8-104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eFunctioning Humidity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e36%-90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eR32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eFilter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eMERV-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eUnit Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e19.2 x 12.2 x 13.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eShipping Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e22.3 x 16.6 x 16.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e41.70 lbs (18.91 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eDefrosting Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eAutomatic Defrosting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCertification (HD55S WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eEnergy Star Certified, cETL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCertification (HD55 Blue \u0026amp; Blue WiFi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003ecETL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e6-Year Limited (First 2 Years Full Coverage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 10px; margin-bottom: 12px;\"\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/AlorAir-Sentinel-HD55-User-Manual.pdf?v=1786485491\"\u003eAlorAir Sentinel HD55 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003eFor complete specifications, download the technical data sheet above.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eStop Moisture Before It Becomes a Problem\u003c\/h3\u003e\n\u003cp\u003eHit the Buy Now button and we'll get your AlorAir Sentinel HD55 \u003cstrong\u003eshipped within 1-3 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAlorAir Sentinel HD55 Basement Dehumidifier Video\u003c\/h2\u003e\n\u003cp\u003e \n\n\u003cnoscript class=\"loading-lazy\"\u003e\n\u003ciframe loading=\"lazy\" width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/D7bN7IOxOWY\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\n  \u003c\/noscript\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 30px 0; margin-bottom: 40px;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"AlorAir","offers":[{"title":"HD55 Blue","offer_id":59761923916062,"sku":"RF02ALOS-Sentinel-HD55-0NNML00","price":587.48,"currency_code":"USD","in_stock":true},{"title":"HD55 Blue WiFi","offer_id":59761923948830,"sku":"RF02ALOS-Sentinel-HD55-1NNML00","price":628.66,"currency_code":"USD","in_stock":true},{"title":"HD55S WiFi","offer_id":59761923981598,"sku":"RF02ALOS-Sentinel-HD55S-1NNMW00","price":681.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/crawl-space-basement-dehumidifier-wifi-energy-star.jpg?v=1786485852","url":"https:\/\/aircompressorzone.com\/products\/alorair-hd55-crawl-space-dehumidifier","provider":"Air Compressor Zone","version":"1.0","type":"link"}