Service of ventilation systems

How often should ventilation be serviced?

Any minor malfunction can eventually disable the entire ventilation system. In order for the equipment to serve efficiently and for a long time, it is very important to carry out service maintenance at least once a year, or even twice. Without a scheduled inspection, the system may not live longer than the warranty period.

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One-time and scheduled maintenance

Service maintenance is divided into one-time and scheduled.

• In the case of a one-time call, a team of specialists arrives at the facility to provide services within 24 hours of receiving the call. Payment is made upon completion of the work.
• Scheduled maintenance is carried out in accordance with the contract, which specifies the terms, work and their cost.
• Nighttime service is also provided.

What does ventilation system maintenance include?

Not only monoblock or packaged ventilation units, but also simple fans need maintenance.

Termal offers the following diagnostic services:

• Cleaning of filters and switchgear
• assessment of the operation of fan blades and motors
• checking the electric heater for contacts, inspecting heaters of other types, cleaning the cooler
• checking and cleaning the recuperator
• diagnostics of electrical wiring and automation systems, as well as air damper drives
• cleaning of grids
• checking the drainage system (if there is a heat exchanger)
• replacement of parts whose service life has expired
• overview of the ventilation unit as a whole

Cleaning and changing filters

Cleaning and replacement of filters is one of the most frequent services in ventilation maintenance. Filters are installed on both the exhaust and the supply air. Over time, they become clogged with dust. Their capacity decreases and the required air flow does not enter the room. Filters can be coarse, medium and fine. There are also special bactericidal HEPA filters. The greater the dust holding capacity, the more often the filter needs to be cleaned.

In addition to filters, fan blades, grilles, air ducts, and recuperators are cleaned of dust and dirt. Coolers are cleaned with special reagents. In electric heaters, the contacts on the terminal block are checked to avoid system fires.

Cost of service maintenance

The cost of maintaining a ventilation system depends on the type of service, the capacity of the equipment or the size of the parts to be serviced, as well as the time required to complete the work.

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