We don't just build apartments. We create real homes for people that are pleasant to live in. And we believe in them so much that not only our clients, whose satisfaction is our first priority, live in them, but also ourselves.
“We specialize in passive and low-energy houses, which, combined with cutting-edge architecture and a respectful approach to the surrounding environment, bring countless benefits to the owners of our residences.”
Imagine waking up in the morning to fresh air in your bedroom even without ventilation. You don't have a headache from the stuffy room and you feel refreshed. Let alone the annoying draughts or dust and various allergies from pollen. You can put all that out of your mind. A smart ventilation system and a CO 2 sensor will solve it for you.
Controlled ventilation with heat recovery keeps our apartments comfortable. In the hot summer, the apartment is comfortable even without air conditioning, and because we don't have to ventilate, in winter you don't lose precious heat through open windows. The apartment is always comfortable, as you like it between 20 and 23 °C. Controlled ventilation ensures air circulation, so that the ideal humidity of 35% - 50% is maintained in the apartment, it is easy to breathe and mould, bacteria and dust mites have no chance.
Natural light has a major impact on our health, sleep quality and mood. That's why we try to bring as much of it into our interiors as possible with generously designed windows. And if the sun doesn't shine? We'll advise you on healthy lighting options.
It is difficult to determine which noise in the apartment is more annoying. Traffic from the street, noise from the stairwell, or noise from the neighbors. Perfect soundproofing, special windows with triple glazing and the ideal floor composition will already ensure that you have your own oasis of peace at home and nothing disturbs you from your favourite activities.
In our projects, we create thoughtful spaces for leisure and support community life. There is plenty of green space, playgrounds and community gardens where you can grow herbs or barbecue and get to know your neighbours.
Ing. Petr Valeš
After studying at the Czech Technical University he worked in several design studios and then headed into residential development. Today he is the Director of Product Management at JRD Real Estate and above all the arbiter of the quality of a healthy indoor environment for all our projects. And because he is a professional who does his job with tremendous dedication, it continually drives him to push the standards of healthy and environmentally friendly living to the next level. It is no exaggeration to say that Peter is a man in his own right.
Fresh air throughout the day is very important for a well-functioning body and mind, as well as for a healthy sleep. This is best ensured by the automatically controlled ventilation system we equip all our apartments with. No more draughts or open windows in freezing weather. Controlled ventilation with heat recovery also keeps harmful CO2 levels low.
The fresh air from outside passes into the apartment through dust and possibly pollen filters. The amount of dust particles, dirt and irritating allergens brought in from the outside is thus reduced to a minimum. High-quality insulation and controlled ventilation technology with heat recovery maintain a pleasant indoor climate in winter and summer with minimal heating or cooling costs.
Did you know that the average family produces up to 10 litres of water vapour a day? That's a lot for an apartment. Despite the precisely sealed building envelope, we remove this moisture with an automatic ventilation system. This means that mould, mites and bacteria do not breed in JRD apartments. Read more about healthy living with JRD.
Our low-energy houses and energy passive houses can save up to 85% of heating costs compared to conventional new builds. We achieve this low consumption thanks to the optimal use of solar energy, special layered insulation and eco-friendly warm-air heating with heat recovery. Thanks to the savings, we are then able to offer a higher standard at a comparable price.
Due to the use of state-of-the-art technology and top-quality materials, we can offer truly luxurious apartments for sale. With a healthy indoor environment and well thought out layouts, they will provide maximum comfort for your whole family. They also save the environment and your wallet.
At current energy prices, you will save approximately CZK 7,000 - 15,000 per year on heating in JRD flats. As energy prices rise, so will the amount of savings on heating and the market price of low-energy and passive houses. Read more about sustainable housing and energy savings.
The generously designed windows, reaching down to the ground, are not interrupted by profiles that would spoil the view outside. Even the little ones can enjoy the view.
The internal layout of each JRD apartment is thought out to the last detail. The main living rooms are always spaciously designed and have large south-facing windows to maximize the time when the sun shines into the living rooms, and the apartments are well lit.
For times of year when natural light is scarce, make use of even and healthy artificial lighting, which we will be happy to advise you on.
Whether a tram passes under your windows or the children from the nearby playground shriek, thanks to the triple-glazed windows and the perfect building envelope, you will hear almost nothing.
You won't hear about your neighbours watching a suspenseful horror movie on TV or practicing polka in our apartments. Together with the UCEEB, we have developed a special floor composition that is up to 35% quieter than the standards. We have also been involved in the development of the innovative Vapis10 masonry with excellent acoustic properties. For the interstitial walls, we use a masonry that exceeds the standard requirements by 5 dB.
In our apartments, you will not be disturbed by unpleasant noises from the bathrooms and toilets of the neighbours. We use acoustically soundproofed bathtubs for which we have designed a technological procedure for their safe installation. You don't have to worry about the noise from the air conditioning system, which brings fresh air into the apartment. In fact, we use special ducting that is up to 30% quieter, which means that even those who can hear the grass grow can sleep well in our apartments.
Around our projects you will find thoughtful community gardens and terraces where you can, for example, plant your own vegetables or herbs, barbecue or sit with your neighbours.
More than one person can fit on our extended benches. And if you want to sunbathe, you can carry the bench out into the sun.
In the park around our projects, we are planting mature trees and shrubs from our own nursery. So that you feel the right comfort at home.
To get a better idea of the differences between conventional and low-energy buildings, the following comparison is useful.
Outdated heating system, heat source is a major source of emissions; ventilation by simply opening windows, uninsulated, poorly insulated structures, overheating
Conventional heating using a high output gas boiler, ventilation by opening a window, construction at the level of the standard requirements
Heating system with lower power, use of renewable sources, well-insulated construction, controlled ventilation
Controlled ventilation with heat recovery, excellent thermal insulation parameters, very tight construction
Parameters at least at passive house level, large area of photovoltaic panels
Mostly over 200
80 - 140
Less than 50
Less than 15
Less than 15
| Parameter | Routine construction | Passive construction | Units |
|---|---|---|---|
| Floor area of the building | 150 | 150 | m2 |
| Specific heat demand for heating | 92 | 15 | kWh/m2 per year |
| Annual heat demand for heating | 13 800 | 2 250 | kWh per year |
| Energy requirement for hot water preparation | 3 050 | 3 050 | kWh per year |
| Energy consumption for lighting | 800 | 800 | kWh per year |
| Energy consumption for appliance operation | 2 300 | 2 300 | kWh per year |
| Energy consumption for operation of technical equipment | by variant | by variant | kWh per year |
In addition, our project standards include controlled ventilation with heat recovery, which has a major impact on the indoor environment of your home.
The ventilation in the apartments from JRD is automatically controlled by a computer system. Their inhabitants do not have to worry about opening the windows on a regular basis and at the same time fresh air flows into the apartment without any draughts, which provides enough oxygen for everyday activities and quality sleep. It also prevents problems that occur in ordinary apartments – high carbon dioxide levels, increased humidity and associated mould growth. Controlled ventilation thus has a positive effect on health, physical and mental condition. Especially people with allergies, eczema and asthma perceive the positive influence of a healthy environment in a passive apartment.
How heat recovery works
Controlled ventilation with heat recovery serves to ensure optimal air exchange in the building while minimizing heat loss during ventilation. Controlled ventilation ensures the supply of fresh air without any draughts and removes dirt and dust from the outside environment by means of filters. This air is then heated by the heat from the operation of the household (heat given off by human bodies, heat from domestic appliances, cooking or solar radiation coming through windows), which is passed on to the exhaust air from the interior in the heat exchanger. The air brought indoors will thus reach a comfortable and stable temperature, ensuring a comfortable living environment.
