Drimaster-Eco Heat HC
Positive Input Ventilation gently pressurises a house using filtered loft air, pushed in through a single ceiling diffuser. It is far cheaper than MVHR and a genuinely effective fix for condensation and mould in older British homes that cannot be made airtight enough for full heat-recovery ventilation.
- Noise
- Inaudible in occupied rooms
- Running cost
- £35/yr
- Installed
- £550 to £950 installed
Editorial render. Not a manufacturer photograph; we do not redistribute press imagery without a licence.
Primary question · Is a PIV unit a credible alternative to MVHR for an older terrace?
Solid-wall Victorian and Edwardian houses with chronic condensation that cannot accept full MVHR ducting.
£550 to £950 installed
- Cheap, low-disruption fix
- Quietly solves condensation in most cases
- Filter is upgradable to F7
- Cools the house slightly in winter without the heater coil
- Not a substitute for MVHR in a tight envelope
Open the cost planner to estimate your installed price.
Key specifications
- Filter class
- G4 standard, F7 upgrade
- Power draw
- Below 20 W typical
- Noise
- Inaudible in occupied rooms
- Warranty
- 5 years
- , Cheap, low-disruption fix
- , Quietly solves condensation in most cases
- , Filter is upgradable to F7
- , Cools the house slightly in winter without the heater coil
- , Not a substitute for MVHR in a tight envelope
If your brief matches "solid-wall victorian and edwardian houses with chronic condensation that cannot accept full mvhr ducting.", the Drimaster-Eco Heat HC is a confident pick. If it doesn't, the alternatives above are more honest answers.
Estimate your installed cost
The planner uses your specific home; not a brochure number.