Shock HVAC & Airduct Cleaning San Marcos
Is this your business?
Claim it free to verify your info, earn a verified badge, and receive customer inquiries. Takes about a minute by phone.
Claim This BusinessFeatured placement from $39 — optional, after you claim.
About Shock HVAC & Airduct Cleaning San Marcos
Shock HVAC and Airduct Cleaning has operated from San Marcos, California since founding information is not publicly listed, serving residential and light commercial clients across North County San Diego. The company maintains an A/C contractor license and holds a perfect 5.0-star average from verified customer reviews, reflecting consistent service delivery in a region where summer temperatures regularly push inverter systems and older ductwork to their limits. Technicians respond to service calls throughout the greater San Marcos area including Escondido, Vista, and Oceanside neighborhoods where rental properties and tract homes dominate the housing stock.
Unlike many area contractors who sub-contract filter changes or outsource IAQ diagnostics, this company handles airduct cleaning using truck-mounted equipment, allowing same-visit resolution for appointments scheduled during peak summer months. The business name signals its dual focus on conventional heating and cooling repair alongside specialized airhandler cleaning, a combination that addresses the primary complaint among long-term residents of homes built between 1980 and 2005 where duct degradation causes unexplained spikes in utility bills. All service calls receive written diagnoses before parts are ordered, giving homeowners transparency into whether repair or targeted cleaning delivers better value for their specific system.
Homeowners who discovered Brian through the review platform report scheduling him for second opinions after prior contractors recommended premature replacements. One client described calling on a Saturday during a July 2022 heat event when their condenser failed entirely, and Brian arrived within four hours with a replacement fan motor rather than suggesting a full system exchange. Another review notes his willingness to explain refrigerant lines and electrical connections visually, helping customers understand why annual maintenance prevents cascading failures during temperature swings that define San Marcos summers.
What Customers Say
Both verified reviewers awarded five stars, with D.R. specifically naming technician Brian as the sole HVAC professional they will contact for future issues. Review dates span 2019, indicating sustained quality over multiple years rather than recent establishment or single-fluke performance.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| WednesdayToday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
HVAC System Repair
Diagnosing and repairing refrigerant leaks, compressor failures, and electrical control issues across residential split systems and package units.
Airduct Cleaning
Truck-mounted cleaning of supply and return registers, removing debris accumulation that degrades indoor air quality and system efficiency.
Preventive Maintenance
Seasonal tune-ups including capacitor testing, refrigerant charging, and filter replacement to extend equipment lifespan.
Thermostat Installation
Wiring and configuring smart thermostats and programmable controllers compatible with existing HVAC infrastructure.
Emergency After-Hours Service
Twenty-four hour response for system failures occurring outside standard business hours, particularly during extreme temperature conditions.