Energy Optisave

UK’s Trusted PIV Specialists

The Ultimate Whole of House Ventilation System

Purify your indoor air and eliminate condensation with one simple and cost-effective solution.

Resolving Condensation Issues with PIV Systems

PIV (Positive Input Ventilation) systems introduce fresh, filtered air into your home, creating positive pressure that pushes out stale, moisture-laden air. This simple yet effective technology eliminates damp and condensation permanently — protecting your property and your family’s health.

Why Choose Energy Opti Save

Integrated Approach

Complete survey, installation and aftercare under one roof.

Expert Assessment

Professional inspection to determine root cause and recommend tailored solutions.

Practical Long-Term Solutions

Not temporary fixes — permanent protection against damp and mould.

The Urgent Problem

The UK residential sector is facing a widespread damp and mould crisis affecting over 6.5million homes. A key factor which is exacerbating this issue is misfitted wall insulation which can trap moisture inside properties rather than preventing it, Leading to increased dampness and mould growth.

Poor installation and inadequate ventilation in older buildings have escalated these problems, causing significant structural damage and health risks. With homeowners suffering from respiratory and cardiovascular conditions worsened by these damp environments which intern places huge financial strain on the NHS.

The Damp and Mould Crisis

The United Kingdom faces an additional problem as government figures from 2023-2024 indicate that 1.3 million dwellings in England(about 5% of the total housing stock) had damp problems in one or more rooms. The problem affects both houses and leasehold flats across the UK, with social housing and housing association properties frequently reporting complaints related to damp and mould

Damp and mould damage properties and seriously impact health by triggering respiratory and cardiovascular health issues. These increased health diagnosis’s place significant strain on the NHS. Vulnerable groups such as children, the elderly, and low income families are disproportionally affected. Immediate coordinated action is essential to improve housing conditions, safeguard public health and reduce healthcare pressures caused by this growing crisis.

Not Just about Property!

Damp and mould are not just surface issues; they have serious health, financial, and social implications. The NHS spends an estimated £1.4 billion annually treating respiratory illnesses linked to damp environments. Furthermore, structural damage caused by moisture leads to costly repairs and increased energy bills as homes become harder to heat efficiently.

How PIV Technology Works

Energy Opti Save delivers the UK’s most trusted ventilation and moisture-control systems through Advanced PIV Eco Technology (Positive Input Ventilation), combining expert diagnosis, premium treatment, and long-term protection.

Fresh filtered air introduced into loft

Positive pressure pushes stale air out

Constant airflow prevents condensation

Low energy consumption

Quiet operation

Black Mould: A Serious Health Risk

Black mould is far more than an eyesore – it’s a serious health risk. Mould releases mycotoxins that can trigger or worsen conditions such as asthma, sinus infections, eczema, coughing, respiratory disease and cardiovascular conditions.

For children, the elderly, and those with existing health concerns, a mould-infested home can quickly become a health crisis. The spores may be invisible, but their impact can linger long after the visual signs are wiped away.

Key Problems Moisture Causes

Moisture infiltration leads to a cascade of problems that worsen over time, affecting both your property’s condition and your family’s wellbeing.

Professional Solutions Matter

These issues rarely resolve on their own – professional diagnosis and ventilation are essential for lasting results.

Structurally, mould destroys plaster, paint, and wallpaper through staining, bubbling, and flaking from trapped moisture, while rotting wooden frames, joists, and flooring as damp spreads.
It weakens walls, causing cracks from ongoing saturation and expansion/contraction, promotes pests like dust mites and rodents. This could result in failed surveys along with failed insurance and mortgage applications.

Transform Your Home with PIV

Say goodbye to mould and condensation. Book your free survey today.