Fairfax County, VA Noise from Specific Sources: HVAC & Mechanical Noise (2026)

(h)Mechanical equipment, to include heat pumps, air conditioners and swimming pool pumps, located on property containing single family detached or attached residential dwellings that is operating in accordance with the manufacturer's specifications and serves the dwelling and/or permitted accessory structure.(i)Activities associated with the removal of snow and/or ice from walkways, parking areas and travel lanes.(j)Impulse sound that does not exceed the maximum impulse sound levels contained in the Maximum Sound Levels Table contained in Sec. 108.1-4-2 above.(k)Activities related to the construction, repair, maintenance, remodeling or demolition, grading or other improvement of real property between 7 a.m. and 9 p.m., provided that such activity does not exceed 90 dBA in residential areas, and it shall be a violation of this Chapter to commence such activity before 9 a.m. on Saturdays, Sundays, and Federal holidays.(l)Operation of power lawn equipment:(1)Between 7 a.m. and 9 p.m. when operated within 100 yards from a residential dwelling; or(2)Between 6 a.m. and 9 p.m. when operated 100 yards or more from a residential dwelling; or(3)Between 5:30 a.m. and 9 p.m. for golf course maintenance when operated 50 yards or more from a residential dwelling; or(4)Between 7 a.m. and 9 p.m. for golf course maintenance when operated less than 50 yards from a residential dwelling.