
Stiebel Eltron LWTF D Enthalpy Heat Exchanger
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Retail prices include VAT.
Enhance your home's ventilation system with the Stiebel Eltron LWTF D Enthalpy Heat Exchanger. Designed specifically for integral ventilation units, this high-performance accessory replaces the standard cross-countercurrent heat exchanger during winter months. Its primary benefit is the recovery of both heat and moisture, which helps maintain a comfortable indoor climate and prevents the air from becoming too dry during the heating season. By regulating indoor humidity, it creates a healthier living environment while simultaneously improving the energy efficiency of your ventilation system. This unit is an ideal upgrade for homeowners looking to optimise their indoor air quality and reduce energy consumption. Easy to install and highly effective, the LWTF D is a testament to Stiebel Eltron's commitment to innovative, sustainable home comfort solutions. Perfect for modern, well-insulated homes where air quality and energy retention are top priorities.
Self-install friendly
EasyThis unit is designed for confident DIYers. Guides & video below.
Add smart control
No built-in Wi-Fi — automate this unit with a smart plug & temperature sensor.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Stiebel Eltron →Official Stiebel Eltron manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Stiebel Eltron — ask us and we will send the cut sheet with mounting and clearance figures.
Description
Enhance your home's ventilation system with the Stiebel Eltron LWTF D Enthalpy Heat Exchanger. Designed specifically for integral ventilation units, this high-performance accessory replaces the standard cross-countercurrent heat exchanger during winter months. Its primary benefit is the recovery of both heat and moisture, which helps maintain a comfortable indoor climate and prevents the air from becoming too dry during the heating season. By regulating indoor humidity, it creates a healthier living environment while simultaneously improving the energy efficiency of your ventilation system. This unit is an ideal upgrade for homeowners looking to optimise their indoor air quality and reduce energy consumption. Easy to install and highly effective, the LWTF D is a testament to Stiebel Eltron's commitment to innovative, sustainable home comfort solutions. Perfect for modern, well-insulated homes where air quality and energy retention are top priorities.
Common questions about the Stiebel Eltron LWTF D Enthalpy Heat Exchanger
How many BTU is the Stiebel Eltron LWTF D Enthalpy Heat Exchanger?
The Stiebel Eltron LWTF D Enthalpy Heat Exchanger is a Accessories — check the specifications for capacity details.
What room size is the Stiebel Eltron LWTF D Enthalpy Heat Exchanger suitable for?
The Stiebel Eltron LWTF D Enthalpy Heat Exchanger is recommended for rooms N/A.
Can I install the Stiebel Eltron LWTF D Enthalpy Heat Exchanger myself?
Yes — the Stiebel Eltron LWTF D Enthalpy Heat Exchanger is rated as Easy for self-installation. Guides and video tutorials are available on the product page.
Is the Stiebel Eltron LWTF D Enthalpy Heat Exchanger smart-home compatible?
The Stiebel Eltron LWTF D Enthalpy Heat Exchanger does not have built-in Wi-Fi control, but you can add smart control using a compatible smart plug.
How long does delivery of the Stiebel Eltron LWTF D Enthalpy Heat Exchanger take?
This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A+-rated unit could save versus a standard C-rated model, based on your usage.
This unit
86 kWh/yr
EER 11
Standard model
119 kWh/yr
EER 8
Est. saving
£8.74
32 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (~9,000 BTU assumed). Actual savings vary with room size, climate and usage patterns.
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