When it comes to improving indoor air quality and reducing moisture in your home, two popular ventilation systems stand out: Positive Pressure Ventilation (PPV) and Heat Recovery Ventilation (HRV). But which one is the best choice for your home? Let's break it down in a simple and helpful way.
What is Positive Pressure Ventilation (PPV)?
Positive Pressure Ventilation works by bringing fresh air from outside into your home and pushing out stale, damp air. This system creates a slight positive pressure inside, helping to reduce condensation and improve air circulation.
✅ Pros:
Affordable and easy to install
Helps reduce condensation and mould issues
Constant supply of fresh air
Ideal for older homes with moisture problems
❌ Cons:
Can bring in cold air during winter
Less efficient at heat retention
May not be as effective in well-sealed modern homes
What is Heat Recovery Ventilation (HRV)?
Heat Recovery Ventilation is a more advanced system that exchanges stale indoor air with fresh outdoor air while retaining heat from the outgoing air. This makes it an energy-efficient option that improves air quality without significant heat loss.
✅ Pros:
Saves energy by retaining heat
Helps regulate humidity levels
Ideal for modern, airtight homes
Provides continuous fresh, filtered air
❌ Cons:
Higher upfront cost
Requires professional installation and maintenance
Not as effective in draughty or older homes
Which Ventilation System is Best for You?
For older homes with damp or condensation problems, PPV is a cost-effective solution.
For modern, well-insulated homes, HRV offers energy efficiency and better air quality.
If energy efficiency is a priority, HRV is the better long-term investment.
If you want a simple, budget-friendly option, PPV is a great starting point.
Both systems improve indoor air quality, but the right choice depends on your home’s design, climate, and budget.
Need Expert Advice?
At Swiss AC, we specialize in ventilation solutions that keep your home fresh, dry, and comfortable. If you're unsure which system is right for you, get in touch with us today for expert advice and a free consultation!
Jan Buschi
Call us today 0273006680
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