Gilbert, AZ Noise from Specific Sources: HVAC & Mechanical Noise (2026)
Key Facts
- Exemption
- Conditional exemption for A/C, pool, spa equipment
- Condition
- Must function per specs AND meet noise table
- Residential night cap
- 45 dB(A), 10 p.m.–5 a.m.
- Residential day cap
- 55 dB(A), 5 a.m.–10 p.m.
- Civil fine
- $100–$500 per violation, § 42-65(a)(1)
- Habitual offender
- Misdemeanor after 3 violations/24 months
Summary
Gilbert exempts air-conditioning, pool and spa equipment from its noise code only conditionally. Code of Gilbert § 42-61(c)(1) requires the equipment to be "properly functioning in accordance with manufacturer's specifications" AND to meet the residential community noise standards in subsection (e): a broken or oversized unit can lose the exemption.
(c)Exemptions. The following uses and activities shall be exempt from noise level regulations in this section, but may be subject to other town regulations, including but not limited to the regulations in the Land Development Code:(1)The operation of air-conditioning, pool or spa equipment when it is properly functioning in accordance with manufacturer's specifications and the community noise standards for residential areas as set forth in subsection (e);
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 102).
Full Breakdown
, for more than five minutes to remain exempt. A rattling compressor, a unit running with a failed fan bearing, or oversized equipment installed too close to a property line that pushes noise above those thresholds falls outside the exemption and becomes enforceable like any other noise source. Measurement under § 42-61(d) uses an a-weighted sound level meter set to slow response, calibrated with an acoustical calibrator before use, except that fast response may be used for impulse or rapidly varying sounds. 00 fine per count.
Violations & Fines
A civil hearing officer may impose a sanction of not less than $100.00 nor more than $500.00 for each violation of § 42-61 caused by non-exempt HVAC, pool, or spa equipment. Three or more civil violations within a 24-month period make the property owner a habitual offender, exposing them to a criminal misdemeanor charge, up to six months in jail, and a mandatory minimum $500.00 fine per count.
Frequently Asked Questions
Is my air conditioner exempt from Gilbert's noise ordinance?
What decibel limit applies if my HVAC unit isn't exempt?
What happens if my HVAC equipment violates the standard?
Sources & Official References
Other rules in Gilbert
Compare Gilbert to another location·View the Arizona noise from specific sources overview
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