
what is Positive Input Ventilation?
PIV (Positive Input Ventilation) is a system designed to improve the quality of the airflow by introducing fresh, filtered air into your home or business property. In comparison to MVHR systems, which use the existing air in your property, the PIV works by drawing in air from the outdoors, passing it through a filtration unit, and gently distributing them across the home. The continuous airflow allows to prevent condensation, reduce excess moisture, mould growth, and damp.
PIV systems are most beneficial for households with poor ventilation, as they can be used to create a healthier area by expelling humid, stale air and swapping it out with fresh, clean air.
Our PIV Installation Services
Our PIV installation services are a quick and efficient way to reduce condensation and improve indoor air quality within your property. The installation process is often completed within a short few hours, compared to MVHR systems which can take days. Yet, please keep in mind, the precise timeframe will be determined by the layout of your building and its size. We have a skilled team that will make sure the unit is correctly positioned for the best airflow, and we do so while keeping noise levels to a minimum.
PIV System Installation
Installing PIV systems includes fitting a central unit, often in a hallway or loft, that will gently distribute fresh, filtered air in your home or property. Our installation takes approximately a few hours, with minimal disruption to your home. Professional installation makes sure you receive all the benefits.
PIV system maintenance
Maintenance of a PIV system will make sure it consistently offers filtered, fresh air and prevents condensation issues. To maintain your system, we replace filters, inspect the unit for wear, and check your current airflow levels. Much like any other household system, routine servicing is best.
PIV unit replacement
Positive Input units should be replaced where necessary, especially if it has become less effective over time, due to wear or age. New units ensure the best possible airflow, continued protection from damp and condensation, as well as plenty of filtration. With professional replacement, you can make sure the installations is correct.
Filter Cleaning And Replacement
Frequent filter replacement and cleaning help to make sure your ventilation system is running as it should. Over time, your filters may collect pollutants and dust, which can reduce system performance. By getting these filters replaced or cleaned, you can prevent blockages and other issues.
Troubleshooting and repairs
If your PIV system isn't working correctly, troubleshooting is one of the best ways to help identify various issues like poor airflow, unusual noises, or you've noticed more condensation. Our team can also carry out common repairs like adjusting settings, replacing components, and more.
Energy efficiency assessments
These assessments look at the performance of a PIV system to make sure it operates with as minimal energy waste as possible. We check the airflow, inspect filters, and look at your overall energy consumption. Routine assessments help to improve the efficiency, reduce running costs and maintain the most effective ventilation.
Energy Efficiency and Cost Savings with PIV Systems
PIV systems are one way to improve energy efficiency within your building, as they are successful at reducing heat loss while maintaining a thorough and constant supply of filtered, fresh air. By preventing excess condensation and moisture, they successfully lower the prices on your heating bills, as dry air is much easier to warm. With minimal maintenance and low energy consumption, PIV systems provide more cost-effective solutions for healthier indoor environments.
Improved Indoor Air Quality
PIV systems improve the quality of your air indoors by providing a constant stream of fresh, filtered air, and reduce pollutants. They help us all remove excess allergens, moisture, and stale air for a healthier environment. Contact our team today and we'll do all we can to help.
Prevention of Damp and Mould
These systems help avoid damp and mould by reducing the level of excess moisture in the air. With a consistent flow of filtered air, it can prevent condensation forming upon the walls and ceilings, which will help you keep your property in the best condition and avoid costly repairs.
Energy Efficiency and Cost Savings
PIV units improve and increase energy efficiency by reducing moisture levels by making it faster and easier to heat your home. They provide low energy consumption without increasing the electricity usage. By using PIV units, you can also prevent costly repairs in the future.
Our electrical Services

Electrical Contracting Plymouth
At P.F Electrical, our mission is to deliver quality electrical contracting services. Our team of certified professionals are adept at catering to both domestic and commercial premises. We ensure safety, reliability and cost-effectiveness in all our work. Our services are customised to meet individual client needs while adhering to stringent industry standards. Remember, for quality and assurance, contact P.F Electrical today.

Electrical Testing Plymouth
Our expert team at P.F Electrical specialises in comprehensive electrical testing. We meticulously inspect and assess your wiring to verify it's operating safely and efficiently. Our rigorous process is designed to identify and rectify any potential issues before they become serious problems. Rely on us to keep your electrical systems at their operational peak.

Electrical Re-wiring Plymouth
At P.F Electrical, we provide a comprehensive rewiring service dedicated to enhancing both the safety and performance of your home's electrical system. We have a team of highly skilled and qualified electricians ready to upgrade your wiring to meet current safety standards. Contact us for a quote today.