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Up to 350m2
Integral LCD

Vectaire Maxi Plus BY-AT MVHR Ventilation Unit with integral acoustic attenuation

£2908.80

Bulky Item Delivery (30kg +) £85.00

The Maxi Plus BY-AT is an efficient, low-energy ventilation system that provides quiet operation (tested by BRE) and up to 89% heat exchange efficiency, effectively controlling condensation and pollution in residential properties up to 350m². 

Designed for flexible installation (wall, cupboard, or loft), it features a touch-screen LCD for accurate commissioning, complies with Building Regulations, and is SAP PCDB listed, offering a cost-effective solution manufactured in the UK to ISO 9001:2015 and 14001:2015 standards.

MaxiPlus/ATHRH - bypass, attenuation, humidistat, right handed, integral LCD

Need an MVHR Design? 
Get a Free MVHR Design Proposal from our MVHR Design Team - Call 0808 599 0360 or send us your plans

Product Info

Maxi-Plus-BY-AT Leaflet

Maxi-Plus-BY-AT User Guide

Specification

General Features

  • Extremely low noise levels.
  • Maximum capacity: 238 l/s (up to 230 l/s at 50Pa).
  • Specific Fan Power (SFP): down to 0.46 W/l/s.
  • Compact and easy to install (no extra cabinet required).
  • Lightweight: 42 kg.
  • 5-year warranty (1 year parts and labour, 4 years parts only).
  • Summer bypass: Automatically bypasses the heat exchanger based on adjustable temperature setpoints.
  • Frost-stat: Reduces intake motor speed as outside temperatures drop (+8ºC to -3ºC).

Control Features (Standard)

  • Independent variable speed adjustment for trickle, boost, and purge modes.
  • Boost activation via 230V switched live:
  • Light switch (double pole).
  • Remote humidistat.
  • Passive infrared sensor.
  • Thermostat.
  • Remote switch/pull cord.
  • Night-time boost and purge inhibitor (adjustable).
  • Run-time and power outage counters.
  • Remote purge connection on circuit board.

Technical Features

  • Casing: Steel sheet with epoxy paint finish.
  • Insulation: Class "O" fire-resistant acoustic foam.
  • Motor: Low-energy EC brushless motor with forward-curved impellors.
  • Operates at temperatures up to 60°C.
  • Counter-flow heat exchanger for energy efficiency.
  • Easy-to-access disposable G3 filters.

General Info

What is an MVHR System and what is it doing for my home?

Improvements in modern building techniques means that our homes are becoming more airtight than ever, which is great for insulation however it can leave stale air, foul smells, condensation and damp. An MVHR (Mechanical Ventilation and Heat Recovery) system is a complex ventilation system that extracts polluted air from your home and replaces it with a filtered and clean air supply whilst recovering the heat for your home.

The unit itself is either located in a utility cupboard or loft. Newer homes fitted with these systems have a much better indoor air quality if the system is commissioned and serviced regularly.

So, what are the benefits?

An MVHR system supplies fresh air into your home through a low-energy heat exchange meaning that your home is getting a consistent fresh air supply. This balanced ventilation works effectively in both the winter and the summer. The heat recovery aspect of an MVHR system recovers heat that would otherwise be lost through other ventilation systems at up to a 95% rate of efficiency. This means that the demand on your properties heating systems are reduced greatly saving you money on utilities and reducing your carbon footprint. The fact that the system is working year round means that a well-balanced system will reduce the likelihood of mould or condensation in your property which thrives in moist and humid room corners. This can massively help in alleviating airborne allergies and asthma symptoms as the air is much purer. By filtering the air, MVHR systems tackle odours and Volatile Organic Compounds (VOCs) that can be found in household products and are detrimental to your health. These harmful compounds are filtered out protecting you and improving the overall internal environment in which you live.

Delivery & Returns

  • The Air Shop uses FedEx for shipping and a tracking number is provided (if alternative courier is used, this will be advised through tracking confirmation information)
  • 48 hour shipping available
  • Your delivery date will be advised within 24 hours of completion of order based on stock availability
  • Delivery is available Monday – Friday (if alternative is required, please call to discuss)
  • The Air Shop cannot be held responsible for delivery delays by the courier
  • Orders over 30kg are excluded from free shipping and a charge will apply which will be shown on checkout


Multiple Unit Orders & Larger Pallet
If you are wanting to purchase multiple units for a larger project, or require a pallet delivery we will provide a separate and personalised quote for this. Please contact our office 033 0223 6776 or email sales@theairshop.com


Collection
Orders are available for collection, please contact us on 033 0223 6776 or email sales@theairshop.com to confirm your item Is in stock and agree a date/time.

Opening Hours
Monday – Friday / 8:00am – 5:30pm
13 Market Road, Richmond, London, TW9 4LZ

Back orders If your item is out of stock, we will back order if for you or give you the option to cancel

Specifications

Dimensions: 703mm x 802mm x 560mm
Weight: 42 kg
Duct Diameter: 150mm
Ducting: Rigid ducting is recommended for optimal energy-level performance
Airflow rate Max: 238 litres/second (100% speed)
Max Floor Area: Up to 350m2
Heat Recovery Efficiency: Up to 89%
Sound Levels db(A) Varies with airflow: 100% capacity: 41.1 dB(A)
Mounting: Can be mounted vertically in lofts, cupboards, or on walls using the provided fixing bracket
Filters: G3 filters, The Dust Destroyer, The Summer Sneezer

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