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  • HVAC (Heating, ventilation, and air conditioning)

    Acontec specializes in a complete range of heating, ventilating, air conditioning and refrigeration services including design, installation, repair, retrofit, and maintenance contracts. We take complete responsibility for the design and installation of high-quality, cost-effective, energy-efficient systems.

    Our growing list of customers comes from a variety of sectors including: industrial plants, healthcare facilities, multi-unit housing, commercial and institutional building owners, and state and municipal government facilities. Our factory-trained technicians are available 24 hours a day and 7 days a week to perform HVAC and Refrigeration System Installations and all aspects of HVAC and Refrigeration service, maintenance and repair.

    HVAC and Refrigeration equipment maintenance issues are all but inevitable. That’s why preventive maintenance plans can provide extremely valuable return on investment. When we serve as your HVAC and Refrigeration Preventive Maintenance contractor, you can focus on production.

    Planned HVAC and Refrigeration equipment maintenance is essential to the proper operation of HVAC and Refrigeration equipment. If preventive maintenance is not performed regularly, the equipment will inevitably require extensive and costly repairs and result in unplanned downtime. It just makes good sense to pay a small amount periodically to avoid paying considerably more, later. When we perform our inspections, proper operation of the equipment is checked and verified. If not properly maintained HVAC equipment will exceed its design limitations and result in equipment failure.

    Planned HVAC and Refrigeration equipment maintenance benefits:

    Regularly scheduled service intervals | Elimination of system failures | Elimination of complaints and health risks | Increased efficiency | Reduced running time | Reduced utility bills

    An annual HVAC and Refrigeration Equipment Preventive Maintenance Contract will undoubtedly increase the life of your equipment and reduce downtime.

    Typically, Air Conditioning Installations Include:

    Split Systems | Multi Split Systems | VRV & VRF Systems | Close Control Units | Chillers
    Rooftop Packages | Fan Coil Units | Building Management Systems

    Split systems are room air conditioner units, or small air handling units, incorporating a direct expansion cooling coil, a filter and a fan to recirculate room air. They can be connected to a remote air, or water-cooled, condensing unit via low-pressure vapour and high-pressure liquid refrigerant lines. The external units are normally roof mounted and contain twin compressors, heat exchangers and air circulation fans. In cooling mode, the external unit heat exchangers function as a refrigerant condenser producing liquid which is circulated to the remote room units. This passes through the coils, absorbs heat, evaporates and the gas is returned to the compressors. When operating in a heating mode the functions are reversed.

    A multi-split air conditioning system operates on the same principle as described above but has the added advantage of allowing up to five indoor units to be connected to the one outdoor unit. A multi-split system allows for numerous air-conditioned zones to be facilitated within the building without the need for ductwork installation. This system can facilitate individual control of the indoor environment. Variable Refrigerant Volume (VRV) systems provide a multi-split air conditioning solution for commercial buildings that offer variable refrigerant flow control. This means the building’s occupants have the capability to maintain individual zone control in their air-conditioned space. The VRV system offers the added benefit of only circulating the minimum amount of refrigerant required at any time, thus enabling individual climate control in the air-conditioned zone.

    In air conditioning systems chilled water is typically distributed to the heat exchangers or coils in the air handling unit and then the water is then recirculated back to the chiller to be cooled again. Such cooling units transfer sensible heat and latent heat from the air to the chilled water, thus cooling the air.

    Fan coil units are a single housing which consists of coils, condensate tray collection, circulating fan and filter. The fan recirculates the air from the space continuously through the coils either directly or via the void in which the fan is located. Such units can provide heating also, through the addition of a heating coil.