{"product_id":"domusa-nanoclima-4-bomba-de-calor-interior","title":"Domusa NanoClima 4 indoor R290 heat pump with no outdoor unit","description":"\u003ch2\u003e4 kW indoor heat pump for heating and cooling, with no outdoor unit\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eDomusa NanoClima 4\u003c\/strong\u003e is an \u003cstrong\u003eindoor air-to-water heat pump\u003c\/strong\u003e: it sits inside the home, uses natural R290 refrigerant and delivers flow temperatures up to 75 °C. Q-Tech integrates it on-site in flats with no terrace or façade space, or supplies it inside a pre-assembled plant room tested at our workshop.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eIndoor monobloc air-to-water heat pump, inverter, with two Ø 250 mm air ducts\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDomusa Teknik NanoClima 4, reference TDCL000423\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and cooling; DHW with an external cylinder and a three-way valve (the NanoClima 4 HDX 135 has one built in)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOutput\u003c\/th\u003e\u003ctd\u003e4.00 kW heating (A7W35) and 2.25 kW cooling (A35W18)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEfficiency\u003c\/th\u003e\u003ctd\u003eClass A++; SCOP 4.0 at 35 °C and 3.2 at 55 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eFlow temperature\u003c\/th\u003e\u003ctd\u003eUp to 75 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V single-phase, maximum current 7 A\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eOn-site integration by an Expert Technician or inside a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the Domusa NanoClima 4?\u003c\/h3\u003e\u003cp\u003eThe Domusa Teknik NanoClima 4 is an indoor air-to-water heat pump for heating and cooling that reaches 75 °C with no outdoor unit. It draws in and expels air through two ducts to the façade or the roof. It hangs on the wall on its own bracket.\u003c\/p\u003e\u003ch3\u003e100% indoor heat pump\u003c\/h3\u003e\u003cp\u003eThe whole refrigerant circuit stays inside the unit, with 0.40 kg of R290 and a built-in gas sensor. Domusa states that it is installed \u003cstrong\u003ewithout handling refrigerant on site\u003c\/strong\u003e: only water flows to the home. Air enters and leaves through insulated Ø 250 mm ducts, with a wall terminal, 1 m straight sections and 90° bends that can be cut to 45°.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eMany flats have no terrace, and many communities of owners do not allow outdoor units on the façade. With no space outside, the home stays on its gas boiler.\u003c\/p\u003e\u003cp\u003eThe NanoClima 4 provides heating and cooling from inside. With \u003cstrong\u003e75 °C flow temperature\u003c\/strong\u003e, Domusa states that existing radiators can be kept. Its 4 kW output is designed for apartments and well-insulated homes; Q-Tech checks the demand before recommending it.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eHeat pump type\u003c\/th\u003e\u003ctd\u003eAir-to-water, inverter, indoor monobloc\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eRefrigerant\u003c\/th\u003e\u003ctd\u003eR290, 0.40 kg charge\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eRated heating output (A7W35)\u003c\/th\u003e\u003ctd\u003e4.00 kW, with 0.927 kW input\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCOP (A7W35)\u003c\/th\u003e\u003ctd\u003e4.32\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eRated cooling output (A35W18)\u003c\/th\u003e\u003ctd\u003e2.25 kW, with 1.066 kW input\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEER (A35W18)\u003c\/th\u003e\u003ctd\u003e2.11\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSCOP and seasonal efficiency at 35 °C\u003c\/th\u003e\u003ctd\u003e4.0 (ηs 157%)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSCOP and seasonal efficiency at 55 °C\u003c\/th\u003e\u003ctd\u003e3.2 (ηs 127%)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEnergy class\u003c\/th\u003e\u003ctd\u003eA++\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum flow temperature\u003c\/th\u003e\u003ctd\u003e75 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHeating operating range\u003c\/th\u003e\u003ctd\u003e−15 to 45 °C outdoor temperature\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCooling operating range\u003c\/th\u003e\u003ctd\u003e10 to 45 °C outdoor temperature\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eRated water flow\u003c\/th\u003e\u003ctd\u003e0.69 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum heating circuit pressure\u003c\/th\u003e\u003ctd\u003e3 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHydraulic connections\u003c\/th\u003e\u003ctd\u003e1\" flow and return; ½\" drain\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply and maximum current\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz; 7 A\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSound pressure at 1 m\u003c\/th\u003e\u003ctd\u003e36 dB(A)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eProtection rating\u003c\/th\u003e\u003ctd\u003eIPX4\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eAir ducts\u003c\/th\u003e\u003ctd\u003eTwo Ø 250 mm ducts\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOverall dimensions\u003c\/th\u003e\u003ctd\u003e620 mm wide, 618 mm deep and 684 mm high\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003ctd\u003e77 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEquipment\u003c\/th\u003e\u003ctd\u003eWall bracket, deaerator, R290 gas sensor, heating expansion vessel and high-efficiency heating pump\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eData from the Domusa Teknik 2026 price list, June 2026 NanoClima catalogue and installation manual (in Spanish).\u003c\/p\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMinimum installation clearances according to Domusa: 300 mm on each side, 350 mm above and 800 mm in front.\u003c\/li\u003e\u003cli\u003eThe ducts can exit through the façade or through the roof.\u003c\/li\u003e\u003cli\u003eFor DHW, Domusa specifies a cylinder from its Sanit HE, BT-Trio or BT Duo HE ranges, with the DHW sensor supplied with the heat pump and a three-way valve.\u003c\/li\u003e\u003cli\u003eThe iConnect module is optional: consumption, schedules and remote access for the technical service.\u003c\/li\u003e\u003cli\u003eDomusa offers a kit to hybridise it with an existing gas or oil boiler; in that case the boiler produces the domestic hot water.\u003c\/li\u003e\u003cli\u003eDomusa offers the CONFORT DUO wireless thermostat, the anti-freeze drain valve, back-up heaters and the energy meter as options.\u003c\/li\u003e\u003cli\u003eDomusa includes commissioning in its price, excluding travel; its manual requires an authorised technician for the warranty to be valid.\u003c\/li\u003e\u003cli\u003eInstallation and its certification require a licensed installation company.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eIf you also need domestic hot water from the same unit, the \u003ca href=\"\/en-en\/products\/domusa-nanoclima-4-hdx-135-indoor-heat-pump-dhw\" title=\"Domusa NanoClima 4 HDX 135 with DHW cylinder\"\u003eNanoClima 4 HDX 135\u003c\/a\u003e includes a 135-litre stainless steel cylinder.\u003c\/li\u003e\u003cli\u003eIf the home needs more than 4 kW and there is room for an outdoor unit, the \u003ca href=\"\/en-en\/products\/bomba-de-calor-dual-clima-r-de-domusa\" title=\"Domusa Dual Clima R heat pump\"\u003eDomusa Dual Clima R\u003c\/a\u003e goes up to 18 kW.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes it need an outdoor unit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The whole unit stays inside the home and only two Ø 250 mm air ducts lead outside.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I keep my radiators?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, in most cases: it delivers up to 75 °C, and Q-Tech checks the heat demand of the home first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference from the NanoClima 4 HDX 135?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe heat pump is the same. The HDX is a floor-standing column with a 135-litre DHW cylinder, a back-up heater and an 8-litre buffer tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs commissioning included?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Domusa Teknik includes commissioning in its price; the technician's travel is charged separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is in stock at our warehouse. Because of its size, transport is quoted separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It needs a licensed installation company and commissioning by Domusa; Q-Tech integrates it and carries out the pre-commissioning check.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eIn a home, Q-Tech integrates the NanoClima 4 with the \u003ca href=\"\/en-en\/products\/tecnico-experto-instalacion\" title=\"On-site Expert Technician by the day\"\u003eon-site Expert Technician by the day\u003c\/a\u003e: unit, ducts, wiring and parameter setting. In developments with several identical homes, we supply it as part of a \u003cstrong\u003epre-assembled plant room from our workshop\u003c\/strong\u003e, tested and ready to connect; see how it works in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\" title=\"Expert Technician workshop pre-assembly\"\u003eExpert Technician workshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\u003cp\u003eIf another company connects the hydraulics, or the NanoClima is added to an existing boiler, we first carry out a verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site Expert Technician by the hour\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e. We then complete the electrical side, the controls and the pre-commissioning check before the Domusa visit.\u003c\/p\u003e\u003cp\u003eThe result: \u003cstrong\u003eheating and cooling with no façade unit\u003c\/strong\u003e. For sizing questions, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\" title=\"Expert Technician remote technical call\"\u003eremote technical call\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e. More units in \u003ca href=\"\/en-en\/collections\/sistemas-aerotermia-ingenieria-termica\" title=\"Heat pump systems\"\u003eheat pump systems\u003c\/a\u003e and in our \u003ca href=\"\/en-en\/collections\/servicios-climatizacion-aerotermia\" title=\"HVAC and heat pump services\"\u003eheat pump services\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/es\/nanoclima\" target=\"_blank\" rel=\"noopener\" title=\"NanoClima at domusateknik.com\"\u003eOfficial NanoClima page at Domusa Teknik\u003c\/a\u003e (in Spanish), with the manual, catalogue, energy labels and warranty document.\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time. Because of its size, transport is quoted separately.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":58988197871960,"sku":"DO-TDCL000423","price":4185.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-nanoclima-4-bomba-de-calor-interior-frontal-escala.webp?v=1793442468","url":"https:\/\/q-tech.es\/en-en\/products\/domusa-nanoclima-4-indoor-heat-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}