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AC units, heat pumps and generators in Alexandria, VA

AC units, heat pumps and generators may go in side and rear yards only if they stay at or under 55 dBA at every property line. Not in the front yard. The city noise code holds residential property lines to 55 dBA too.

A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Alexandria before you build.

The details

  • Show compliance with a plat, screening details or manufacturer sound data.High confidence
  • Replacing an electric unit needs no building permit in Virginia. New systems and generators do.High confidence

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Common questions

Where can outdoor mechanical equipment go in Alexandria?
AC units, heat pumps and generators may go in side and rear yards only if they stay at or under 55 dBA at every property line. Not in the front yard. The city noise code holds residential property lines to 55 dBA too.

Sources

  1. City of Alexandria Zoning Ordinance §§ 7-101, 7-202, 7-801, 7-1101, 7-1102 (Municode, Supp. 103). Checked 2026-10-21
    [7-202(A)] Arbors, trellises and pergolas, provided that such structures: (a) Shall not exceed ten feet in height... (c) Shall remain 80 percent open... (10) Walls which do not exceed two feet in height... (12) Structures or mechanical equipment associated …
  2. Virginia USBC, 13VAC5-63-80 Section 108.2 (pools, mechanical, electrical and flood-area items). Checked 2026-10-21
    8. Swimming pools that have a surface area not greater than 150 square feet and are less than 24 inches deep... 14.4 Replacement of mechanical appliances provided the equipment is not fueled by gas or oil in Group R-2 where serving a single-family dwelling …

Disclaimer: This is general information, not legal or professional advice for any one property. Codes change. SetbackIQ is not a zoning determination, a permit, or a survey, and it does not replace an architect, engineer, or lawyer. Confirm with your building and zoning offices before you build, buy, or sign a contract.