Expert Water Heater Repair Services in Marin County and San Francisco
Experiencing hot water loss, fluctuating temperatures, or a leaking tank? Bay Air Heating & Cooling provides fast, professional water heater repair services for residential properties throughout Marin County and San Francisco. Our licensed technicians are trained to service all major brands and models- gas, electric, tank, and tankless.
Using industry-grade diagnostic tools, we identify and resolve issues efficiently to restore your hot water supply with minimal disruption. We also ensure all repairs meet California code compliance and safety standards.
Common Water Heater Problems We Diagnose and Repair
Our team is trained to resolve a wide range of residential water heater issues, including:
Leaking Tank or Connections
- Caused by corrosion, internal cracks, loose fittings, or failed pressure relief valves.
- Often indicates aging components-our techs will determine if repair or replacement is more cost-effective.
Inconsistent or Fluctuating Temperatures
- Sediment buildup in tank models reduces heating efficiency.
- Thermostat miscalibration or undersized systems may lead to hot water running out too quickly.
No Hot Water
- Gas water heaters: Issues with the pilot light, thermocouple, gas control valve, or burner assembly.
- Electric water heaters: Failed heating elements, faulty thermostats, or tripped circuit breakers.
Unusual Sounds (Popping, Banging, or Rumbling)
Caused by hardened mineral deposits or air trapped in the tank. Neglected noise can lead to overheating or premature failure.
Rusty or Cloudy Water
- Indicates internal corrosion or a deteriorated anode rod.
- If left unaddressed, it may lead to internal tank failure.
Error Codes or Digital Malfunctions
- Many modern tankless systems include diagnostic displays.
- We interpret and resolve error codes specific to your unit.
Our Water Heater Repair Process
When you call Bay Air Heating & Cooling, you can expect a transparent, step-by-step repair process that prioritizes safety and performance:
Detailed Assessment: Inspection of tank, valves, burner/elements, thermostats, and expansion tanks.
Advanced Diagnostics: We use thermal imaging, multimeters, and gas leak detectors to identify the root cause.
Code-Compliant Repair: Repairs are completed per local building codes to ensure safety and system longevity.
System Testing & Optimization: We test for temperature accuracy, pressure balance, and confirm proper cycling.
Preventive Recommendations: We educate homeowners on how to extend system life through flushing, anode rod care, and more.
When Should You Repair vs. Replace a Water Heater?
While many water heater issues can be resolved with repairs, some symptoms may indicate it’s time for a replacement. We help you make informed decisions based on:
Symptom | Likely Solution | Notes |
Minor leak from fitting | Repair | Replace gasket or tighten connection |
10+ year-old unit with tank corrosion | Replace | Older tanks often fail suddenly |
No hot water & failed heating element | Repair | Replace heating element or thermostat |
Rusty water and rumbling sounds | Likely Replace | Indicates internal tank damage |
Frequent breakdowns | Replace | New models offer better reliability and efficiency |
Call (415) 944-0114 for Prompt, Professional Water Heater Repairs in Marin County and San Francisco.
