{"product_id":"ecosmart-eco-27-tankless-water-heater-compact-cold-climate-electric","title":"EcoSmart ECO 27 Tankless Water Heater - Compact Cold-Climate Electric","description":"\u003cp\u003eIn this review of the EcoSmart ECO 27 tankless water heater the bottom line is simple: this unit is built for homes that need reliable on-demand electric hot water in colder climates or for higher flow applications. It stands out because it is explicitly configured to handle incoming water temperatures down to 37 degrees, delivering nearly 3 gpm under those conditions and up to 6.5 gpm with warmer inlet water. For buyers who want precise control and high energy efficiency without a large storage tank, this model is a practical, space-saving option.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-climate ready:\u003c\/strong\u003e Configured to operate when inlet water can be as low as 37 degrees, making it suitable for northern homes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModulating power:\u003c\/strong\u003e Self-modulating flow sensor technology applies only the energy needed, helping maintain steady outlet temperature and improving efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital temperature control:\u003c\/strong\u003e A clear digital display allows precise outlet temperature adjustment in 1 degree increments for consistent comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e At roughly 17 x 17 x 3.5 in and weighing about 11 lb it mounts easily in mechanical closets or small utility spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency:\u003c\/strong\u003e With a listed energy efficiency of 99.8% and a copper heat exchanger, it minimizes standby losses and electrical waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust electrical design:\u003c\/strong\u003e Uses three 9 kW heating elements and requires 3 sets of 8 AWG wiring and three 40 A breakers, offering strong heating capacity for larger demand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe EcoSmart ECO 27 is best for homeowners in cold climates or properties with moderate to high hot water demand who can provide the required electrical service (240 V, 112 A draw). It is a good fit where space is limited and where precise \u003cstrong\u003etemperature control\u003c\/strong\u003e and instant hot water are priorities.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for sites without adequate electrical infrastructure or for users who need continuous very high flow rates from multiple simultaneous fixtures beyond the unit's capability; such buyers should consider larger commercial solutions or multiple units.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery efficient operation with self-modulating control that reduces energy use during low demand.\u003c\/li\u003e\n\u003cli\u003ePrecise digital temperature control in 1 degree increments for consistent comfort.\u003c\/li\u003e\n\u003cli\u003eDesigned for cold inlet temperatures, so it performs well in northern climates where inlet water can reach 37 degrees.\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight, making installation in tight spaces straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires substantial electrical capacity (three 40 A breakers and 3 sets of 8 AWG), which may need panel upgrades and higher installation cost.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed experience with sustained hot water delivery and concerns about product lifespan in real-world use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eECO 27 (electric, 27-kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e27 kW, 240 V, single phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow rate\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.7 to 6.5 gpm depending on inlet temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet temperature rating\u003c\/td\u003e\n\u003ctd\u003eOperates with inlet down to 37 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e17 x 17 x 3.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical requirements\u003c\/td\u003e\n\u003ctd\u003e112 A draw; (3) 40 A breakers; required wire: 3 sets 8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials \u0026amp; safety\u003c\/td\u003e\n\u003ctd\u003eCopper heat exchanger; (3) 9 kW Emerson elements; UL and CSA certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe EcoSmart ECO 27 is a strong choice for households that can meet its electrical requirements and need a compact, efficient tankless option that performs in cold climates. It offers precise \u003cstrong\u003edigital temperature\u003c\/strong\u003e control and excellent energy efficiency, but buyers should budget for a potentially higher installation cost and pay attention to long-term reliability reports when planning ownership.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit handle multiple showers?\u003c\/strong\u003e\u003cbr\u003eYes, depending on inlet temperature it can supply several showers simultaneously at moderate flow rates, but maximum gpm depends on your incoming water temperature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical upgrades are needed?\u003c\/strong\u003e\u003cbr\u003eThe unit draws about 112 A and requires three 40 A breakers and 3 sets of 8 AWG wire, so many homes will need a panel capable of that load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it energy efficient?\u003c\/strong\u003e\u003cbr\u003eYes, the manufacturer lists an energy efficiency of about 99.8% and the self-modulating technology helps reduce wasted power.\u003c\/p\u003e","brand":"EcoSmart","offers":[{"title":"Default Title","offer_id":48620141281499,"sku":"B002635ODW","price":516.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81Plpbv8P3L._AC_SL1500_12eeb28c-8cb5-4fb9-a980-6c2246a5617a.jpg?v=1778495182","url":"https:\/\/gearmusthave.com\/products\/ecosmart-eco-27-tankless-water-heater-compact-cold-climate-electric","provider":"GearMustHave","version":"1.0","type":"link"}