The new NIBE S735 is a powerful and intelligent exhaust air heat pump that gives you a pleasant indoor climate all year round, sustainable energy use and full control of your mobile phone. It uses a natural refrigerant that has a low climate impact and intelligent technology that helps you get extra comfort and save energy. With a low noise level, stylish design and compact format, it fits easily into your new home.
The NIBE S735 is an intelligent inverter-controlled exhaust air heat pump with an integrated hot water heater, providing heating, hot water and ventilation efficiently and economically. It provides large savings as it automatically adapts to your home’s heating needs. The heat pump operates with a natural refrigerant for a sustainable impact on the climate and the environment.
The NIBE S735 has a high seasonal performance factor, which results in low operating costs. Its low noise level, stylish design and compact size make it easy to put in place and install. Designed for new builds and also suitable for replacement. The NIBE S735 can be docked to other heat sources, and with the NIBE supply air module it is also suitable for homes with exhaust and supply air ventilation.
With integrated wifi and the possibility of connecting to wireless accessories, the S-Series will become a natural part of your connected home. Smart technology adjusts the indoor climate automatically and gives you enjoy full control over the system via your smartphone or tablet. High comfort level and low energy consumption – and you're doing nature a favour at the same time.
TOP PERFORMER
High seasonal performance factor and low operating costs for both new builds and replacement.
LOW NOISE LEVEL AND EASY TO LOCATE
Low noise level, stylish design and compact size make it easy to put in place and install.
HIGH COMFORT
User-friendly touchscreen and integrated wireless connection with energy-saving smart technology for a high level of comfort.
Advanced functions
With our wide range of accessories, the heat pump can offer a wide range of functions for heating, ventilation and solar electricity production. Click on the “Accessories” tab above to read more about the different accessories offered.
NIBE Smart Price Adaption
With Smart Price Adaption (SPA)*, the heat pump will monitor the prices on the Nordic NordpoolSpot electricity trading exchange and can reduce the variable electricity cost of your electricity bill by 5–10%. The heat pump then works the most when the electricity costs the least, and vice versa. To activate the function, you need to be connected to myUplink and have a variable rate electricity contract per hour. Your heat pump gets information on the electricity prices for the coming 24-hour period and then adjusts its operation based on the price and your expected heating and hot water needs. *Requires a variable hourly rate electricity contract
Integrated hot water heater
The hot water heater built into the heat pump is insulated with environmentally friendly foam for minimal heat loss. Accessories for larger hot water volumes can be connected.
High hot water capacity
Provides up to 264 litres of 40 degree water.
WiFi/myUplink
Using the Internet and the myUplink app, you get a quick status overview of the heat pump and the heating in your home. This flexible solution enables you to easily monitor and control heating and hot water production. In the event of a malfunction in the system, you will promptly receive a push notification and e-mail notifying you of this. With myUplink, you can use the smart services Weather Forecast Control for more even heating and operation, and Smart Price Adaption*, in order to further reduce energy costs. You can automatically receive ongoing software updates for optimal operation and the latest features. The WiFi connection also enables you to connect the heat pump to your already smart home. *Requires variable hourly rate contract
Natural refrigerant
The refrigerant moves energy in the form of liquid or gas in the heat pump. This heat pump works with a natural refrigerant that has a very low GWP (Global Warming Potential) value, for a sustainable climate and nature footprint.
User-friendly
The heat pump has a touchscreen with a colour display, intuitive interface and built-in intelligence. Using a heat pump has never been easier. With the myUplink app, it becomes part of your smart home and makes your everyday life easier. Voice control with Google Home is just one example. The design is Scandinavian and stylish and the door opens with a simple push.
Low noise level
Designed to give off little noise.
Wall console for wall mounting.
The OEK S20 enables NIBE S735 and S735C exhaust air heat pumps to increase usable heating capacity by intelligently mixing outdoor air with the home’s exhaust air stream. By introducing outdoor air through a dedicated duct fitted with a motorised damper and an ambient temperature sensor, the main unit can adapt ventilation behaviour based on outdoor conditions, switching seamlessly between mixed air and exhaust only operation to protect performance and system safety.
This accessory is used when the heat pump is installed in a room with low ceiling height or when for some other reason you want to share the heat pump. After dividing, the lower part of the heat pump becomes 1500 (S735) mm high.(Height, upper part: 674 mm).
The NIBE RMU S40 is a room unit with 2,8” touch display with built in temperature and humidity sensors. It is used to control and monitor your NIBE S series heat pump/indoor module from another room in the house than the room where the heat pump is placed.
The NIBE S Series is a natural part of your connected home. Smart technology adjusts the indoor climate automatically while you’re in complete control from your phone or tablet. Giving maximum comfort and minimum energy consumption, while doing nature a favour at the same time.
Communication module that translates Modbus RTU, from a solar inverter, to Modbus TCP/IP, for the heat pump to control the solar inverter
Floor stood cabinet to support the SAM S42
The NIBE DEW S42 is a complete docking kit that allows installers to connect the S735 exhaust air heat pump to the VPB S200 hot water cylinder. Supplied with a dedicated AXC control module, diverter valve, shut-off valve, check valve and a full set of immersion sensors, the DEW S42 provides all the hydraulic and electrical components necessary for reliable hot water integration. With pre-configured wiring looms, labelled connectors and factory-mounted communication cabling, the DEW S42 ensures a straightforward, standards-compliant installation.
The SRV 10 is a wireless radiator thermostat designed to give finer room level control within NIBE S-Series heating systems. Installation is straightforward: the unit is fitted onto an M30x1.5 radiator valve using the supplied adapter if required, then automatically enters its mounting and calibration phases. Local comfort can be adjusted directly at the radiator using the plus and minus keys, with the LCD screen providing clear feedback on operating mode, set temperature and battery status.
The SAM S42 is a dedicated supply air module designed to expand the capabilities of the NIBE S735 and S735C exhaust air heat pumps by adding tempered supply air ventilation. The unit incorporates a water to air coil, buffer vessel and dedicated circulation pump to preheat outdoor air before it enters the dwelling, improving comfort. Installation is straightforward, with wall or cabinet mounting options and clear pipework and ducting provisions, including separate connections for outdoor air and supply air.
The TOC 40 top cabinets provide a practical and visually clean way to conceal ventilation ducting and services above NIBE indoor units. Designed to match the width and depth of a wide range of products, they create a seamless, built-in appearance while maintaining the required 3 mm clearance from the main front panel for correct operation. Installers can select from fixed-height versions of 245 mm or 345 mm for standard ducting runs, or choose the 385–635 mm adjustable model when additional height is needed.
The TOC 40 top cabinets provide a practical and visually clean way to conceal ventilation ducting and services above NIBE indoor units. Designed to match the width and depth of a wide range of products, they create a seamless, built-in appearance while maintaining the required 3 mm clearance from the main front panel for correct operation. Installers can select from fixed-height versions of 245 mm or 345 mm for standard ducting runs, or choose the 385–635 mm adjustable model when additional height is needed.
The TOC 40 top cabinets provide a practical and visually clean way to conceal ventilation ducting and services above NIBE indoor units. Designed to match the width and depth of a wide range of products, they create a seamless, built-in appearance while maintaining the required 3 mm clearance from the main front panel for correct operation. Installers can select from fixed-height versions of 245 mm or 345 mm for standard ducting runs, or choose the 385–635 mm adjustable model when additional height is needed.
The TOC 40 top cabinets provide a practical and visually clean way to conceal ventilation ducting and services above NIBE indoor units. Designed to match the width and depth of a wide range of products, they create a seamless, built-in appearance while maintaining the required 3 mm clearance from the main front panel for correct operation. Installers can select from fixed-height versions of 245 mm or 345 mm for standard ducting runs, or choose the 385–635 mm adjustable model when additional height is needed.
This wireless sensor allows you to read the CO2, temperature and humidity level in a room or climate zone using the myUplink app. For NIBE S-series heating installations with ventilation the indoor comfort level can automatically be adjusted to give you a comfortable indoor climate. For example, you can increase ventilation and lower the CO2 level when there are a lot of people present or lower the ventilation to further reduce your energy costs. Because it is battery powered, it is easy to install, but it can also operate with an external power source using a micro USB.
Mount the sensor in your room and connect it to your NIBE S-Series heat and ventilation installation.
Enhances the signal, improving communication between your smart home products when they are placed at a distance from each other. For NIBE S- Series heating installations, the repeater functions as a switch, giving you the opportunity to control it remotely, schedule On and Off times and measure energy consumption.
Plug in the repeater and connect it to your NIBE S-Series heating installation.
The wireless room thermostat allows you to read and control the temperature of a room or a climate zone from the display of the room thermostat or via the myUplink app in your smartphone. For instance by increasing the hot water production when you have many guests or lower the ventilation for better savings when you are not home. Because it is powered by a rechargeable battery, it is easy to install.
Mount the thermostat in your room and connect it to your NIBE S-Series heat pump.
ECS 40 is used when heat pump is installed in houses with up to four different climate systems that require different flow line temperatures, for example, in cases where the house has both a radiator system and an under floor heating system.
This wireless sensor allows you to read the temperature and humidity in a room or climate zone using the myUplink app. On the heat pump you can see the current room temperature or change it in °C. THS 10 replaces the fixed indoor sensor. Because it is battery powered, it is easy to install.
Mount the sensor in your room and connect it to your NIBE S-Series heating installation.
Extension frame.
The NIBE ECS 41 kit allows installers to add one or more additional heating circuits to a NIBE heat pump installation where different supply temperatures are required, such as radiator and underfloor heating combinations. Each kit includes a dedicated AXC accessory module, shunt valve, shunt motor, circulation pump and temperature sensor, enabling the new zone to run as a fully controlled climate system with independent flow temperature, heating curve and pump operation. The ECS 41 is sized for larger UFH areas above 80 m².
Height (mm)
2025
Width (mm)
600
Depth (mm)
620
Net weight (kg)
200
Product efficiency class room heating, 35 °C
A+++
Product efficiency class room heating, 55 °C
A++
Efficiency class water heating
A
Refrigerant amount, CO2 equivalent (ton)
0,0009
Declared tap profile
XL
Low sound levels for comfort without the noise. Discover how NIBE heat pumps minimize noise while maximizing efficiency.