Wolf Passive Homes

Our Products

• Solar Panels
  • Flat Plate Vacuum Panels
  • Solar Thermal Panels
  • Solar PV Panels
• MVHR Heat Recovery Units
  • RT 250 S EC
  • RT 400 S EC
  • RT 700 S
  • RT 1000 S
  • RecVent plus
  • RT 400 Attic Model
  • Air Cycle
• Wolfplus Windows & Doors
  • Standard Sizes
  • Inward Opening - Tilt & Turn
  • Outward Opening - Top or Side Hung
  • Inward Opening - Alu Clad
• Services
  • Renewable Heat Incentive
  • Feed in Tariffs
  • 0% Business Loans on Carbon Savings
  • Installation
  • Specialist Design Service
  • Airtightness Testing
  • New Build SAP
  • New Build EPC
  • New Build SBEM
  • Water Efficiency Calculations
  • Code for Sustainable Homes
  • Renewable Statements
• Construction Fixings
  • HECO Topix
  • HECO Fix Plus
  • HECO MultiMonti
• Electrical
  • Vphase Voltage Optimiser

MVHR Heat Recovery Units

The RT 250 S EC is a compact air handling unit (or MVHR) that delivers efficient ventilation with highly efficient heat recovery, as well as cooling recovery for hot summer days.

The unit is very clever but also very simple. It draws in fresh air from outside, while at the same time extracting stale air from within the house. As the fresh air and stale air travel through the counter-flow heat exchanger inside the unit, the thermal energy from the used air can be taken and used to heat the fresh incoming air. Basically, it recycles 80% of the thermal energy from the air.

With virtually no moving parts, the RT unit is maintenance free and simply requires both filters to be changed at least once a year. Changing the filters is as simple as changing a light bulb.

This award winning unit made from high quality Swedish technology, has been successfully used in for both low-energy and passive house designs for many years to meet the exacting Swedish Building Code and Passiv Haus standards. With the UK now well on the way, to catching up with Europe, and with the introduction of the Code for Sustainable Homes; energy-efficient products such as these, are an ideal alternative to traditional radiators and virtually eliminates the need to purchase energy. Your utility bills will be a fraction of what they are now, from day one.

Our installers are highly qualified heating & ventilation engineers that are HVCA registered.
Click on Request a Quote tab, other options available

The RT 400 S EC is a compact air handling unit (or MVHR) that delivers efficient ventilation with highly efficient heat recovery, as well as cooling recovery for hot summer days.

The unit is very clever but also very simple. It draws in fresh air from outside, while at the same time extracting stale air from within the house. As the fresh air and stale air travel through the counter-flow heat exchanger inside the unit, the thermal energy from the used air can be taken and used to heat the fresh incoming air. Basically, it recycles 80% of the thermal energy from the air.

With virtually no moving parts, the RT unit is virtually maintenance free and simply requires both filters to be changed at least once a year. Changing the filters is as simple as changing a light bulb.

This award winning unit made from high quality Swedish technology, has been successfully used in for both low-energy and passive house designs for many years to meet the exacting Swedish Building Code and Passiv Haus standards. With the UK now well on the way, to catching up with Europe, with the introduction of the Code for Sustainable Homes; energy-efficient products such as these, are an ideal alternative to traditional radiators and virtually eliminates the need to purchase energy. Your utility bills will be a fraction of what they are now, from day one.

Our installers are highly qualified heating & ventilation engineers that are HVCA registered.
Click on Request a Quote tab, other options avavilable

The RT 700 S is a compact air handling unit (or MVHR) that delivers efficient ventilation with highly efficient heat recovery, as well as cooling recovery for hot summer days.

The unit is very clever but also very simple. It draws in fresh air from outside, while at the same time extracting stale air from within the house. As the fresh air and stale air travel through the counter-flow heat exchanger inside the unit, the thermal energy from the used air can be taken and used to heat the fresh incoming air. Basically, it recycles 80% of the thermal energy from the air.

With virtually no moving parts, the RT unit is virtually maintenance free and simply requires both filters to be changed at least once a year. Changing the filters is as simple as changing a light bulb.

This award winning unit made from high quality Swedish technology, has been successfully used in for both low-energy and passive house designs for many years to meet the exacting Swedish Building Code and Passiv Haus standards. With the UK now well on the way, to catching up with Europe, with the introduction of the Code for Sustainable Homes; energy-efficient products such as these, are an ideal alternative to traditional radiators and virtually eliminates the need to purchase energy. Your utility bills will be a fraction of what they are now, from day one.

Our installers are highly qualified heating & ventilation engineers that are HVCA registered.
Click on Request a Quote tab, other options available

The RT 1000 S is a compact air handling unit (or MVHR) that delivers efficient ventilation with highly efficient heat recovery, as well as cooling recovery for hot summer days.

The unit is very clever but also very simple. It draws in fresh air from outside, while at the same time extracting stale air from within the house. As the fresh air and stale air travel through the counter-flow heat exchanger inside the unit, the thermal energy from the used air can be taken and used to heat the fresh incoming air. Basically, it recycles 80% of the thermal energy from the air.

With virtually no moving parts, the RT unit is virtually maintenance free and simply requires both filters to be changed at least once a year. Changing the filters is as simple as changing a light bulb.

This award winning unit made from high quality Swedish technology, has been successfully used in for both low-energy and passive house designs for many years to meet the exacting Swedish Building Code and Passiv Haus standards. With the UK now well on the way, to catching up with Europe, with the introduction of the Code for Sustainable Homes; energy-efficient products such as these, are an ideal alternative to traditional radiators and virtually eliminates the need to purchase energy. Your utility bills will be a fraction of what they are now, from day one.

Our installers are highly qualified heating & ventilation engineers that are HVCA registered.
Click on Request a Quote tab, other options available

RecVent Plus is a tailored Comprehensive package solution for heating & ventilation with hot water, for new and existing dwellings. All our components are energy-efficient and user-friendly and have a long-life and minimum maintenance requirements. The RecVent Plus package is designed to allow you to add additional high quality Swedish components to the system, for a tailored solution to meet your needs.

The RT air handling unit (MVHR) is the essence of any low-energy or passive house, while our Heat systemtank is the hub of our energy and can easily provide you with low-energy heat and hot water.

Safe – both our ventilation systems and solar have been on the market for 25-30 years, combining our in-built experience with 5 years warranty.

Secure – our products are well documented and confirmed by independent measurements by the Swedish Technical Research and our air handling units have been awarded best technological development by the Swedish Energy Agency.

Easy – our comprehensive solutions guarantee results

Together with our collaborative partners, we can offer a comprehensive solution that includes -
•    Ventilation units with market-leading heat recovery
•    All-inclusive design in AutoCAD 3D
•    Delivery of complete ventilation packages
•    Fine tuning for optimal indoor climate and comfort

•    Training courses for heating and plumbing engineers
•    Components for treatment of hot water and heating.

RecVent Plus includes -
•    Water heater, 500 litres (700 x 700 x 1700) with 6-kW electric heating cartridges.
•    Heat loop for solar panels with capacity to connect two additional waterborne heat sources.

Alternative Heat sources **)
•    Solar panels
•    Water-jacketed pellet stoves
•    Water-jacketed fireplace-heating stoves
•    Water-jacketed cooker boilers
•    LVP air/water heat pumps (alternative to Ground source heat pumps)
•    Pellet/wood stoves
•    Ground/seawater/geothermal heat pumps
**) Alternative components for reducing total amount of purchased energy

The RT 400 is a compact air handling unit (or MVHR) that delivers efficient ventilation with highly efficient heat recovery, as well as cooling recovery for hot summer days.

Designed for a loft with low headroom, the unit is horizontal and comes in an insulated box as standard.
Due to temperature variations between the loft and the main house, this box will stop the thermal energy being lost before it can be supplied into the main part of the house. The insulated box ensures the unit operates at its maximum efficiency.

The unit is very clever but also very simple. It draws in fresh air from outside, while at the same time extracting stale air from within the house. As the fresh air and stale air travel through the counter-flow heat exchanger inside the unit, the thermal energy from the used air can be taken and used to heat the fresh incoming air. Basically, it recycles 80% of the thermal energy from the air.

With virtually no moving parts, the RT unit is virtually maintenance free and simply requires both filters to be changed at least once a year. Changing the filters is as simple as changing a light bulb.

This award winning unit made from high quality Swedish technology, has been successfully used in both low-energy and passive house designs for many years to meet the exacting Swedish Building Code and Passiv Haus standards. With the UK now well on the way, to catching up with Europe, with the introduction of the Code for Sustainable Homes; energy-efficient products such as these, are an ideal alternative to traditional radiators and virtually eliminates the need to purchase energy. Your utility bills will be a fraction of what they are now, from day one.

Our installers are highly qualified heating & ventilation engineers that are HVCA registered.

AirCycle heat recovery ventilation provides superior air quality while conserving energy and minimising heat loss. The unit recovers heat from stale air, before it is expelled from the building, and transfers this heat to the fresh air being drawn into the property and then distributes it throughout.

By recylcing heat that is naturally generated in the property, AirCycle significantly reduces space heating bills and controls the condensation levels within the building by removing stale polluted air. Condensation and damp problems are one of the major contributors to maintenance costs of any property but heat recovery ventilation plays a key role in reducing future cost of reburbishments due to damp.