A heat recovery unit ventilates buildings while recovering heat or coolness from the outgoing air.
It saves energy on air conditioning and heating. Send airflow and layout.
What is a heat recovery unit?
Room ventilation fans bring in fresh air and remove stale, warm or moist air from specific spaces: bathrooms, kitchens, offices, boardrooms, stores and labs. Each space has its own needs, such as quiet running in a boardroom or moisture resistance in a bathroom.
Ducted fans and heat recovery units serve several rooms through ductwork. A heat recovery unit also transfers heat between outgoing and incoming air to save energy.
Further reading
- Ventilation in buildings (Wikipedia)
- Heat recovery ventilation (Wikipedia)
- Window and wall fans (Wikipedia)
Key terms explained
- Heat recovery
- Passing outgoing air through a heat exchanger to warm or cool incoming air.
- Supply and extract
- Supply fans bring air in, extract fans take it out.
- Airflow (m3/h or CFM)
- How much air a fan moves. 1 m3/h is about 0.59 CFM.
- Static pressure
- The resistance a fan must push against from ducts, filters and grilles, in pascals (Pa).
- Air changes per hour (ACH)
- How many times the air in a room is replaced each hour.
Features and benefits
- Models for each type of room.
- Wall, ceiling and ducted types.
- Quiet options for offices.
- Moisture-resistant options for wet rooms.
Technical specifications
| Product | Heat recovery unit |
|---|---|
| Core | Heat exchanger, confirm type |
| Size and airflow | Confirm with quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Sizes, grades and ratings depend on stock and model. Tell us what you need, and we will confirm before you order.
Applications of a heat recovery unit
- Bathrooms. Removes steam and odours.
- Toilets. Clears odours.
- Home and commercial kitchens. Removes heat and cooking smells.
- Offices. Supplies fresh air.
- Boardrooms. Quiet air movement.
- Stores and warehouses. Removes heat.
- Laboratories. Removes fumes where rated.
- Electrical cabinets. Cools panels.
- Schools. Classroom ventilation.
- Clinics. Treatment room air.
How to choose and install
- Size by room volume and use.
- Choose quiet fans for offices and boardrooms.
- Use moisture-rated fans in wet rooms.
- Duct outside, not into ceiling voids.
- Provide make-up air.
Why choose Sparks Plumbing Experts
- Fans in several sizesInline duct fans and box fans come in a range of diameters, so you can match airflow to the room.
- PVC and metal optionsChoose corrosion-resistant PVC for humid rooms or metal housings for tougher conditions.
- Grilles and diffusers tooDiffusers, louvers and grilles finish the system you are ventilating.
- Sizing guidanceTell us the room size and duct route, and we help you pick a fan with enough airflow.
- Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
- Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
- Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
- Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
- Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
- Supply across East AfricaWe serve customers across Kenya. We also supply buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan.
Related products and accessories
Browse more: Ventilation · HVAC · Electricals · Louvers.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya. We also serve buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.
Request a Quote WhatsApp 0726 086 895
Frequently asked questions
What details do you need to quote ventilation fans?
Tell us the space size and use, duct size and length, power supply, or the model you are replacing. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.
Do you deliver ventilation fans outside Nairobi?
Yes. We supply customers across Kenya. We also serve buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan. Delivery or courier arrangements are agreed when you confirm the order.
How much does a ventilation fan cost in Kenya?
The price depends on the type, size, motor and quantity. Therefore, send your list with a quote request and we will reply with current figures.
Which fan suits a boardroom?
A quiet ducted or inline fan sized for the room.
Can a bathroom fan vent into the ceiling?
No. Duct it outside.
Does a kitchen fan replace a hood?
No. A hood captures fumes at the source.
What does a heat recovery unit save?
It recovers heat or coolness from extract air.
Do cabinet fans need filters?
Yes, in dusty areas.
Where can I buy heat recovery unit in Kenya?
Buy it from Sparks Plumbing Experts Ltd at KCB Building, Enterprise Road, Industrial Area, Nairobi. We are open Monday to Friday, 8 am to 5 pm, and Saturday, 9 am to 12 noon. You can also order by phone or WhatsApp on 0726 086 895. We deliver across Kenya and to Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan.
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bathroom fan size
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Prices change with size, model and quantity. Request a quote from Sparks Plumbing Experts for current figures.
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Axial fans move lots of air at low pressure. Centrifugal fans push against ducts and filters.
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Room volume times air changes per hour gives the airflow. Then allow for duct resistance.
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