Condensation, damp and mould are some of the most common issues homeowners face across Northern Ireland and the border counties. Cold weather, poor ventilation and older-style homes make moisture build up quickly — leading to water on windows, musty smells and black mould on walls and ceilings.
At Home & Dry, we specialise in whole-home ventilation systems that remove excess moisture at the source and keep your home dry, warm and healthy all year round.
Condensation is caused when warm, moist indoor air hits a cold surface like windows or external walls. Everyday activities such as:
Cooking
Showering
Drying clothes indoors
Breathing while sleeping
...release litres of moisture into the air.
If your home can’t ventilate properly, this moisture turns into water droplets — and eventually into mould.
Water beading on windows each morning
Damp smells in bedrooms
Black mould on walls or ceilings
Peeling paint or bubbling plaster
Cold, stuffy air
Window vents not helping enough
If you’ve noticed any of these, your home is struggling with moisture control.
We install positive input ventilation (PIV) systems across Northern Ireland & border counties, designed to:
Push out moisture-heavy air
Improve airflow throughout the home
Reduce condensation on windows
Prevent mould growth
Improve indoor air quality
Lower heating bills by circulating warmer air
Drimaster Heat – ideal for houses
Flatmaster / Flatmaster 2000 – perfect for apartments and flats
Nuaire Systems – advanced ventilation options for all property types
Every installation is tailored to your property.
Specialists in condensation & mould control
Covering ALL of Northern Ireland + border counties
Clean, fast installations (usually 2–3 hours)
Affordable solutions that actually work
5-star customer feedback
Long-term warranties & aftercare
We don’t mask the problem — we fix the root cause.
Clear windows in the morning
Fresher, cleaner air throughout the home
No more black mould returning
Reduced damp smells
Warm, balanced airflow
Lower risk of asthma or allergy irritation
Customers often notice improvements within 24–48 hours after installation.
We install throughout:
Northern Ireland:
Derry / Londonderry
Tyrone
Fermanagh
Antrim
Down
Armagh
Border Counties:
Donegal
Monaghan
Cavan
Sligo
Leitrim
Louth
If you’re unsure whether you’re in our coverage area, just ask — we likely do.
“Windows have been clear every morning since the installation. The difference is unbelievable.”
— Homeowner, Omagh
“Mould in the bedroom has completely gone. Wish we’d done this sooner.”
— Customer, Strabane
We offer a free home assessment to identify the cause of your condensation and recommend the right ventilation solution.
H3: Book Your Free Check Today
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✔ No call-out fee
✔ No obligation
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You deal directly with the owner

Trusted results, not guesses

No big company overheads






""Dramatic Change For The Better""
I noticed a difference that evening with the windows after the baths and showers! I didn't expect to notice a diffrence for at least a week or so. The front door was dry, which is a first here, ever. I've got new curtains etc. and can't wait to get the house redecorated. Thanks, you've made a dramatic change for the better.
- Sharon


"My life changed forever"
Letting of our apartments and flats each year is made so much easier with Flatmaster installed, especially when properties have been empty for a period. No more musty smells meeting prospective tenants during viewings. Brilliant!
- Belvoir Lettings, Ormeau Rd, Belfast


"Highly recommend this"
The best money I've ever spent. Home and Dry's expertise is astounding.
- Mrs Johnston, Limavady

Any more questions don't hesitate to ask
A Drimaster is a Positive Input Ventilation (PIV) system that gently introduces filtered, fresh air into your home from the loft. It reduces condensation and humidity, which prevents mould growth and improves indoor air quality.
A Drimaster is designed for homes with loft space. A Flatmaster is made for flats or apartments without an attic — it draws fresh air from outside instead of the loft. Both prevent mould and improve air quality.
Yes — by lowering moisture and humidity levels, the system starves mould of the damp environment it needs to grow. In most cases, mould clears within weeks and does not return once ventilation is controlled.
Only 25p per week on average. It uses similar electricity to a low-energy light bulb — very efficient and designed to run 24/7.
Only the filter needs replaced every 5 years depending on your environment. No yearly servicing is required.
