Design of air conditioning and ventilation

Efficient ventilation is considered as one of the most important infrastructure components for modern manufacturing and housing. It is quite difficult to imagine the life in the gas polluted metropolitan city without air conditioning and ventilation units. You may say that town dwellers live and work in almost hermetic premises due to the use of plastic steel windows. 

A well-designed ventilation helps air reach for the nooks in the flat, office or manufacturing premises. It also helps in air cleaning of dust and smoke and, if necessary, maintaining the required humidity level. Modern ventilation systems help maintaining temperature indoors by taking it from the exhaust air, thus helping save on heating expenditures.

The use of all mentioned functions is possible only after the qualified engineering procedure and assembly of ventilation systems. The neglected quality of any of the stages results in unexpected costs, discomfort and even premature failures. That’s why an experienced company with qualified specialists shall be responsible for ventilation engineering and assembly for any kind of facilities including a small country house or large production areas.

One of such companies in Saint Petersburg is “Baltic engineering systems”. Ventilation engineering is one of our professional spheres and we have been engaged with the business for many years. We have succeeded in installation of ventilation equipment both in small and large premises. Our activity is not limited by engineering and assembly works in flats, country houses and industrial facilities. We also repair and maintain equipment. That’s why you may contact us to offer the whole complex of engineering works including “turnkey” service and ventilation control during the whole life-time period.

The way we execute engineering of ventilation

Before the customer gets a prepared project to start buying equipment and assembly ventilation the specialists implement a set of important steps. The steps are divided into several groups:

• Ascertaining tasks associated with the heating system by the customer; determination of equipment specifications. A minor mistake at the stage may lead to an unsatisfactory result;
• Developing of technical details with the performance calculations and utilities based on aerodynamic characteristics of the premises and a row of other factors;
• Coordination of preliminary documentation with the customer including the full range of solutions;
• Drawing works and documents developing.

At the process of ventilation engineering we take into account not only the customer needs and budget but also the existing regulations. The pricing of the works is straight dependent upon the complexion of the project and its specification.

At the stage of  projecting or feasibility study the developers determine the main ventilation properties and its performance. The most important step is making a project with the calculations of heat and moisture emission which is followed by the calculation of air exchange for separate premises.

When the engineering stage is finished the customer may start choosing equipment by himself or with the help of our specialists. The range of equipment is usually discussed at the process of engineering, that’s why you only have to choose the air diffuser, materials for air ducts and then start mounting. What kind of ventilation systems we engineer?

“Baltic engineering systems” do the engineering and assembly of the following ventilation systems:

• Forced air ventilation
• Exhaust ventilation
• Balanced ventilation (input and extract ventilation)

Forced air ventilation is designed to take air from outside the room by filtering dust and other contaminants. Then the air is processed with the required temperature and humidity and then it takes into the room. The ventilation system is equipped with a calorifer (air heater). In summer time air is cooled with a conditioner.

Exhaust ventilation is usually set up to get rid of off-flavors. The type of ventilation is used rarely nowadays due to the vacuum tightness of plastic steel windows which prevent from air intake from outside.

Balanced ventilation combines advantages both the forced and exhaust types of ventilation. It allows the air to be fed directly to each room of the apartment in a set mode. Another advantage of the balanced systems is the opportunity to use heat exchangers which help get rid of air heaters and air conditioners.

Call +7(812) 740-47-75 to engineer ventilation systems in “Baltic engineering systems”.

Our company has its own engineering department. We offer the most appropriate engineering opportunities which provide the efficient air interchange process and optimize the temperature and humidity air properties. At the process of engineering we maintain the feedback with the customers and coordinate all options, that’s why the end result is always successful. Moreover, when engineering we calculate and then offer the use of optimally selected equipment with the maximized power-saving effect which not only utilizes the heat emission but also reduces the production costs.

What is air conditioning?

Air conditioning is a row of measures aimed at generating and automatic maintenance of set air parameters indoors (so called climate conditions) and which is implemented by technical means. Such parameters include temperature, humidity and intensity of air circulation.

The technological processes coming from the industrial facilities, office appliances and household devices are accompanied by heat emission and liberation of moisture as well as other substances deteriorating the environment. 

Excess heat, moisture, harmful vapors, gases and dust are called hazardous emissions.

The amount of released heat, moisture, harmful vapors, gases and dust is calculated when engineering ventilation systems. Then the heat-to-humidity ratio is estimated. The main task of the ventilation and air conditioning system is the maintenance of air environment set parameters indoors as well as the adjusted system for fresh air supply and disposal of contaminated air.

In general air conditioning is the achievement and automatic maintenance of temperature, humidity, cleanness and air circulation parameters which are most appropriate for the presence of people as well as for operation of equipment and implementation of technological processes. These parameters may be both continuous and variable.

Based on the primary function, air conditioning is divided into comfort air conditioning and process air conditioning.

Comfort air conditioning generates air environment parameters in the premises for placing equipment. These parameters are necessary both for operation of equipment and leading technological processes. At the same time the process air conditioning has to provide implementation of hygiene requirements, thus generating comfortable conditions for people working indoors.

The function of air conditioning inside small offices and apartments is implemented with the use of the “split-air” or “multi-split air” conditioners. “Split” means “separated”. The split-system consists of external and internal blocks. Many split-systems are capable of both air cooling and air heating. Nowadays the split-system is the standard for a “cheaper” solution which used to be executed in window air-conditioners in the past.

Split-systems consist of two blocks – internal and external blocks. The internal block is situated inside and the external one is set outside. Heat transfer is carried out by means of forced convection. It means that air is circulated with ventilator through the evaporation unit. The external block is aimed for heat release into environment. This separation allowed the conditioner to be set apart the window opening as the split-system internal block may be placed almost in any place. Due to setting the noisiest unit (compressor) into the external block the generated noise is significantly lower compared to the window air-conditioner.

To summarize, one of the main advantages of the split-air system is a big choice of internal blocks. They are divided into wall-mounted blocks, floor-mounted blocks, ceiling-mounted blocks, column-type cases and cassette and channel blocks which are integrated into the suspended ceiling. Wall-mounted split-air units are usually used in flats and small offices. In case the required cooling capacity exceeds 7 kW other split-air systems may be used – cassette blocks or channel blocks in premises of irregular shape, ceiling-type blocks for glass partitions, column split-systems for restaurant halls. It should be noted that the majority of cassette or channel split-systems may also be used with fresh air inlets.

Our top-ranked specialists will help you find the engineering solutions for your projects.

Call +7(812)740-47-75 or write to info@bengs.ru.