[vc_row css=”.vc_custom_1436813970141{padding-top: 15px !important;padding-bottom: 15px !important;}” to_equal_column=”” to_para_bg=”no_bg” to_parallax=”” to_side_img_position=”left” to_para_img_repeat=”no-repeat” to_para_blur=”” to_para_over_set=”” to_para_over_opacity=”0.8″][vc_column width=”1/1″][themeone_header type=”h1″ txtalign=”txt-left” decor=”decor” decorheight=”5px” txtcolor=”accent-color1″ decorcolor=”accent-color2″]Commercial Services[/themeone_header][/vc_column][/vc_row][vc_row to_equal_column=”” to_para_bg=”no_bg” to_parallax=”” to_side_img_position=”left” to_para_img_repeat=”no-repeat” to_para_blur=”” to_para_over_set=”” to_para_over_opacity=”0.8″][vc_column width=”1/1″][vc_row_inner][vc_column_inner width=”1/2″ css=”.vc_custom_1436814029950{padding-right: 30px !important;}” delay=”0ms”][vc_single_image image=”331″ border_color=”grey” img_link_large=”” img_link_target=”_self” img_size=”500×333″][themeone_accordion active=”” title=”Equipment and Workmanship” icon=”li_shop” color=”accent-color1″][vc_column_text]Commercial Duct Cleaning Process – Duct Doctor Raleigh.
If the vacuum unit is to be located inside the building the vacuum system shall pull at least 6000 CFM and shall use a filtration system that incorporates HEPA filtration as a final filter. IF the vacuum unit is to be located outside the building it shall be a truck mounted unit pulling at least 8,000 to 10,000 CFM. The compartments shall be dust tight. Air compressor must produce a minimum of 175 PSI at 17.5 CFM. All work shall be accomplished by workmen trained and skilled in HVAC system cleaning.[/vc_column_text][/themeone_accordion][themeone_accordion active=”” title=”Ductwork Cleaning” icon=”li_shop” color=”accent-color1″][vc_column_text]

Duct Doctor Raleigh – Commercial Ductwork Cleaning Information– Ductwork shall be cleaned by inserting a vacuum hose in one end of the duct or trunk line and, with a Reverse Air Jet Nozzle, brush all interior surface areas of the duct system including reheaters, joints, seams, splitters turning vanes, scoops, baffles, cracks and crevices otherwise inaccessible. As the RJA Nozzle is operating, the residue shall be drawn into the vacuum unit (minimum 6000 CFM). All foreign materials such as dust, mold, soot, lint, hair, bacteria, and other air movement residue shall be removed from the ductwork interior, and will be cleaned to meet NADCA Standard 1992-01.

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Access openings shall be provided at required points of the duct system for physical and mechanical entry. These openings shall be provided as required at points adjacent to turning vanes, dampers, and other obstructions that might tend to trap or entrain dust, dirt, lint, and debris. Duct access openings shall be constructed in accordance with SMACNA HVAC Duct Construction Standards.

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Duct Doctor Raleigh takes special care with ducts that have interior lining materials.  A light vacuum process shall be used to prevent damage to air side surfaces. All loose fibrous materials shall be removed by a combination of controlled forced air and combined vacuum power method.

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All grills, registers, and diffusers shall be cleaned with a non-toxic, disinfecting solution. Areas around registers shall be lightly cleaned by blowing with air. After cleaning, adjust all registers to insure proper air flow.

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Coils shall be cleaned using a non-acid coil cleaner sprayed onto the coil and forced into the coil using air pressure, then flushed out using a pressure washer. There shall be no residue of the coil cleaner left in the system.

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Fan shall be cleaned by using 200 PSI air pressure and an air nozzle designed for that purpose. Each blade of the fan shall be cleaned individually using care not to disturb any balancing weights.

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Any areas in the ducts that are found to have visible microbial growth will be painted using an anti-microbial paint in an area two (2) feet in either direction of the growth. Paint shall be applied in accordance with manufacturer’s specifications using an airless sprayer or paint roller, whichever is more practical for the location. No painting will be done without prior approval of the owner representative.

[/vc_column_text][/themeone_accordion][themeone_accordion active=”” title=”Visual Inspection” icon=”li_shop” color=”accent-color1″][vc_column_text]Upon complete inspection of each section, notify inspector for visual inspection. Upon acceptance by inspector seal with silicon caulking and neatly patch with galvanized sheet metal the same gauge as the ductwork.

Duct Doctor Raleigh for all your Duct Inspection needs![/vc_column_text][/themeone_accordion][themeone_accordion active=”” title=”Area Clean Up” icon=”li_shop” color=”accent-color1″][vc_column_text]

Commercial Duct Cleaning Professional Service – Every precaution shall be taken to prevent the spread of dust and dirt in occupied areas. All desks, computers, and work tables shall be covered with drop cloths while work is performed in that area. A complete area clean-up after each work cycle shall be performed and no debris left behind.

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After the system has been cleaned and restarted, the entire work area shall be cleaned of any dust and debris. The ceilings will be lightly brushed to remove any loose dust, walls will be wiped or brushed, furniture will be dusted, and carpet and upholstered furniture will be vacuumed to remove any debris that has been circulated by the HVAC system prior to cleaning.

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Sealants and encapsulates cannot be substituted for visible contaminant removal.

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