top of page
Expert Water Heater Repair & Replacement in Sunnyvale & The South Bay
No hot water? Leaking tank?
Is Your Water Heater Acting Up?
From banging noises to slow hot water delivery, small issues can lead to big leaks. Our technicians fix all issues—small & large—and ensure your unit meets local safety codes.
Symptoms:
⚠️ Water leaking at the base
⚠️ No hot water or slow recovery
⚠️ Banging or rumbling sounds
⚠️ Pilot light issues
Water Heater Repair & Maintenance
Extend the Life of Your Unit.
Not every issue requires a new unit. We provide honest assessments to fix your current system if possible.
Key Services:
-
Code Upgrades: Strapping and safety compliance.
-
Flushing: Removing sediment and decalcifying tankless units.
-
Emergency Repairs: Restoring hot water fast.
Installation & Upgrades
More Hot Water. Less Energy Waste.
When it's time for a new unit, we help you choose the most cost-effective solution, from standard tanks to high-efficiency models. We handle everything, including the disposal of your old unit.
The Comet Difference:
-
Recirculating Pumps: We recommend installing these to stop water waste and get hot water to your faucet faster.
-
Safety First: All installations meet strict local plumbing codes.
OR
Real Results: Sunnyvale Case Study
Project Spotlight: Tight-Space Replacement in Sunnyval
The Problem: A Sunnyvale customer found water pooling on their closet floor. The culprit? Corrosion at the base of the heater causing a slow, damaging leak in a very tight space.
The Comet Solution: Our team performed a difficult full removal of the 40-gallon unit. We installed a brand new tank and upgraded the safety features by adding a new drip pan and pump to prevent future flooding.
The Result:
-
Leak eliminated.
-
Safety upgraded to current code.
-
Restored hot water and peace of mind.
What your neighbors are saying
FAQ
This section answers common questions.
-
Do I need a tankless or standard water heater?
We install both. Standard tanks are cost-effective, while tankless units offer endless hot water and energy savings. We help you decide based on your household usage.
-
Why is my water heater making a banging noise?
This is often due to sediment buildup at the bottom of the tank. Our flushing and maintenance service can clear this out and extend the life of your heater.
bottom of page