Air emergency
No cooling, no heat, water at the air handler, burning smell, frozen coil, breaker trip, failed thermostat, or unsafe furnace symptom.
Emergency triage
Emergency HVAC, electrical, and plumbing without blind panic.
Emergency pages are useful only if they help the homeowner reduce danger and document the right details. This hub covers no cooling, no heat, hot panels, wet outlets, active leaks, sewer backups, no hot water, and unsafe gas-appliance symptoms.
Power emergency
Sparking, hot panel, partial outage, wet outlet, repeated breaker trip, burning odor, or visible damage near service equipment.
Water emergency
Active leak, failed shutoff, sewer backup, no hot water, burst pipe, water-heater leak, or fixture overflow.
First five minutes
| Symptom | Do first | Do not do |
|---|---|---|
| Gas smell | Leave the area and contact the utility or emergency services from a safe location. | Do not switch lights, use flames, or stay inside. |
| Wet electrical | Stay away, isolate if safe, and send photos from distance. | Do not touch wet panels, outlets, or cords. |
| Active leak | Use the main or fixture shutoff if safe and document the source. | Do not wait for ceiling staining to spread. |
| Sewer backup | Stop using fixtures and locate cleanout access. | Do not keep flushing or running laundry. |
HVAC
emergency HVAC
triage no-cooling, no-heat, burning smells, water around equipment, breaker trips, and unsafe furnace concerns
Electricalemergency electrical repair
respond to sparking, hot panels, partial power loss, wet outlets, breaker failures, and unsafe wiring symptoms
Plumbingemergency plumbing
triage burst pipes, active leaks, sewer backups, no hot water, overflowing fixtures, gas-water-heater concerns, and shutoff failures
Visible review parity
Inspection-summary reviews
Circuit & Cistern LA gave us a practical retrofit check across HVAC, electrical, and plumbing instead of three disconnected opinions.
The visit was organized around photos, access, permits, and safety. That made the repair plan easier to understand and compare.
We liked that the recommendation explained what to fix now, what to watch, and what to plan before the next equipment replacement.
Questions homeowners ask before booking
Why does Circuit & Cistern LA check air, power, and water together?
Older SGV and Northeast LA homes often have connected constraints. A heat pump may need panel capacity, a water-heater change may need venting or electrical work, and an AC leak may be condensate plumbing rather than refrigerant.
Is the booking form on this site?
No. Booking uses the external scheduler at https://nexfield.pro/crm/book?u=205. The site does not create a fake internal booking form.
Why is the phone number pending?
The site is intentionally using one centralized phone placeholder until the real business number is supplied. That prevents fake phone numbers from being published.
Do you publish license numbers on the site?
No license number is shown unless a real license number is supplied by the business owner. The site avoids invented license claims.
Sources used for this guidance
LADBS Plan Check and PermitCity of Los Angeles electrical, mechanical, plumbing, and plan-check context.LADBS InspectionPermitted work is not approved until inspected and accepted; concealed work must remain visible for inspection.Los Angeles County Express PermitsSimple residential express permits can cover water-heater replacement, AC/heating replacement, drain repair, lighting, and panel replacement where plan review is not required.CEC 2025 Building Energy Efficiency Standards2025 Energy Code applies to permit applications on or after January 1, 2026 and expands heat-pump and electric-readiness requirements.CEC HVAC Energy Code SupportHVAC systems installed in California must comply with Building Energy Efficiency Standards.LADWP EV Charger RebateResidential Level 2 EV charger rebate and dedicated meter context.LADWP Charger InstallationLADWP recommends service assessment before EV charger installation and explains LADBS/LADWP inspection touchpoints.SCE Charge Ready HomeSCE panel-upgrade rebate context for qualifying Level 2 EV charger work.Pasadena Water and Power Electrify Your HomePWP electrification rebates for heat pumps, heat-pump water heaters, and panel work.SoCalGas Appliance Maintenance and SafetyGas furnace, water-heater, carbon-monoxide, earthquake strapping, and appliance clearance safety guidance.