Loveland, CO Noise from Specific Sources: HVAC & Mechanical Noise (2026)

Loveland Municipal Code Chapter 7.32 contains no separate HVAC or mechanical-equipment section, no setback requirement for outdoor condensers, and no equipment-specific sound-rating maximum (compare Boulder's 50 dBA residential nighttime mechanical cap or Aspen's 55 dBA equipment-at-property-line standard with setback requirements). Outdoor HVAC units, heat pumps, swimming-pool pumps, hot-tub equipment, and similar mechanical sources are governed by the general LMC 7.32.040 limits measured at 25 feet from the property line: 55 db(A) daytime (7 a.m.-9 p.m.) and 50 db(A) nighttime (9 p.m.-7 a.m.) in residential zones; 60/55 in commercial; 75/70 in industrial. Critically, LMC 7.32.010(B) reduces the effective cap by 5 db(A) for 'periodic, impulsive or shrill noises' - HVAC compressor whine, fan blade tones, and intermittent compressor cycling routinely qualify, dropping the effective residential cap to 50 db(A) day / 45 db(A) night at 25 ft. LMC 7.32.020(D) (Adjacent) requires that when the receiving property is in a more restrictive zone (e.g., commercial-zone restaurant condenser audible at adjacent residential property line), the residential cap governs at the residential line. For installations on dense urban lots (downtown Loveland historic district, infill development) the 25-ft measurement standard may not be physically achievable; in those cases enforcement falls back on the LMC 7.32.010(C) 'unreasonable noise' standard, which permits citation based on officer determination without a meter reading. Building Code requirements administered by the Loveland Building Division (Title 15) and zoning provisions in Title 18 (Unified Development Code, hosted on EncodePlus) may impose additional siting requirements (setbacks, screening) at the permit stage, especially for rooftop mechanical units on commercial buildings near residential zones. Commercial-kitchen exhaust fans on Old Town restaurants and patio cooling units are common subjects of complaints. Report mechanical-equipment complaints to Loveland Police 970-667-2151 or to Code Administration at 970-962-2517 for non-emergency follow-up.