PIV LV-EVL-H (heated) Positive Input Ventilation Loft Vent (30 per pallet)

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(MVA35) LV-EVL-H

£270.00 Per Unit

Airflow

60 L/s

Noise

38dB

Energy

A+

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PAS Compliant

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Installed in the loft, LV-EVL-H draws, filters and lightly warms incoming air before feeding it through a central ceiling diffuser. This continuous, tempered airflow dilutes humidity and pollutants, pushing stale, moist air out through natural leakage paths for a drier, healthier living environment. Built by EnviroVent, the LoftVent platform uses high-efficiency motor technology for low running costs, with easy-access, long-life filters for simple maintenance. The H model’s integral heater adds comfort in colder months, while smart control elevates from background trickle to boost during humidity peaks after bathing or cooking.

Key Features

Brand: EnviroVent — LoftVent PIV (LV-EVL-H) with integral heater
Whole-home condensation & mould control via central diffuser
Filtered fresh-air supply; quiet, low-energy motor
Humidity/temperature-responsive trickle & boost modes
Long-life filter; simple access for replacement
Insulated ducting to minimise losses and noise
Helps meet UK Building Regulations Part F when correctly specified.

What’s Included

LV-EVL-H loft PIV unit (with heater)
Insulated flexible duct & ceiling diffuser (model/package dependent)
Filter cartridge (pre-installed)
Mounting feet/straps & fixings, installation/user instructions.

Ideal For

Houses & bungalows needing whole-home condensation control
Retrofits where a discreet, energy-efficient solution is preferred

Installation Notes

Position on a stable loft deck; wire to a fused spur (per regs)
Route insulated duct to a central landing diffuser; keep bends gentle
Ensure roof space ventilation or duct intake to external air as guided by EnviroVent documentation.

Maintenance

Inspect/replace filters at recommended intervals; check duct/insulation; test boost seasonally.

Technical Overview (enter exact numbers from datasheet if you have them)

Mounting: Loft-mounted PIV with integral heater (H)
Controls: Humidity/temperature response, trickle + boost
Duct: typically Ø125–150 mm; central ceiling diffuser
Supply: 230 V AC via fused spur (see datasheet for rating)

Dummy Datasheet

First4Ventilation says:

"The Envirovent units are a real work-horse in PIV terms getting the job of extensive movement of air throughout the property done with the minimum of fuss. A solid performer from Envirovent. This one gently warms the filtered air being pushed through the property."

Consumer/Fitter says:

"This is a powerful solution to mould and damp issues in the home. This unit moves a great deal of air quietly and efficiently but also warms it too."

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