No Hot Water in Sunnyvale, CA
No hot water? Here's how to diagnose the problem and who to call.
Santa Clara County15 plumbers available
Best No Hot Water Pros in Sunnyvale
#1Strong Hire
Water Heater Specialists
4.9No Hot Water: 92/100
“Brian had everything he needed in his truck and everything was ready to go in a couple hours. He was friendly, efficient, and did a great job.”
#2Strong Hire
Ribbs Plumbing & Sewer
4.9No Hot Water: 85/100
“Dave helped us replace a broken tankless heater, guiding us to the right model for us and installed it in an expedient manner. He's been performing maintenance on it every year for us”
#3Strong Hire
Best Bay Plumbing And Rooter
5No Hot Water: 80/100
“Abel's staff replaced all plumbing for 2 bathrooms plus the exit pipe to the outside, all done in a day. They took before and after pictures.”
All No Hot Water Pros in Sunnyvale
Water Heater Specialists
4.9·270 reviews·
19 mi away — Edge of service areaGoogle Verified
+4 more
Top pick4.9Google
Strengths
Water-heater specialty validated: 4 of 5 sampled reviews…
Midnight-leak → noon-installed turnaround: 'leaked at midnight.
Returned next morning with a second new tank when first tank's…
Concerns
One reviewer notes water-heater install 'was a little bit pricey'
Ribbs Plumbing & Sewer
4.9·422 reviews·
12 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.9Google
Strengths
Same-hour water heater replacement: crew responded immediately…
Tankless water heater installs with ongoing yearly maintenance
Conservative pricing on backed-up toilets: techs offered the…
Concerns
Only 5 reviews sampled against 422 total
Best Bay Plumbing And Rooter
5·52 reviews·
7 mi awayGoogle Verified
+4 more
Top pick5.0Google
Strengths
Honest diagnostics — Sergio fixed a pipe near a water heater…
Same-hour drain response: Roberto arrived within an hour of a…
Tankless water heater diagnostics: Roberto spent hours flushing…
Concerns
Only 5 reviews sampled against 52 total
Rayne Plumbing & Sewer Service, Inc.
4.5·64 reviews·
8 mi awayGoogle Verified
+5 more
Top pick4.5Google
Strengths
2am water heater rupture got immediate plumber contact and…
Answering service callbacks within 5 minutes, on-site under an…
Same-day water heater replacement and same-day leak diagnosis at…
Concerns
Sample skews older — 3 of 5 sampled reviews are from 2021-2023,…
Fluid Dynamics Plumbing, Inc.
4.9·115 reviews·
9 mi awayGoogle Verified
+3 more
Top pick4.9Google
Strengths
Saturday water heater diagnosis after a Friday-evening failure…
Clear technical communication and transparent timelines called…
No-upsell, on-time bathroom work
Concerns
Not enough data to identify weaknesses
Commando Plumbing
4.9·167 reviews·
12 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.9Google
Strengths
Water heater specialty: 2 of 5 reviews specifically cover Rinnai…
Fast response cited in 2 of 5 reviews including a 2-hour arrival…
Whole-house repipe priced exactly as quoted (1 of 5 reviews)
Concerns
Not enough data to identify weaknesses
Payless Water Heaters and Tankless Water Heaters
4.8·366 reviews·
12 mi away — Serves your areaGoogle Verified
Proceed with care4.8Google
Strengths
Same-day water-heater install workflow cited
Two reviews describe non-pushy diagnostics
Concerns
Pricing dispute on warranty work
Intake/dispatch mismatch
Bay Water Plumbing & Water Systems
4.9·191 reviews·
12 mi away — Serves your areaGoogle Verified
+5 more
Top pick4.9Google
Strengths
Transparent pricing with no hidden fees and accurate written…
Water-heater installs handled smoothly
Owner Alvaro and techs (Tommy, Anthony) named by reviewers
Concerns
Not enough data to identify weaknesses
Wave Plumbing & Heating-Hayward Plumber
5·103 reviews·
18 mi away — Edge of service areaGoogle Verified
+5 more
Top pick5.0Google
Strengths
Water-heater work cited in 2 reviews
Sunday-morning emergency call answered and tech arrived in…
Repeat-customer kitchen-faucet install cited (Fareed)
Concerns
Not enough data to identify weaknesses
Active Plumbing and Rooter
5·106 reviews·
11 mi away — Serves your areaGoogle Verified
+3 more
Top pick5.0Google
Strengths
Sub-30-minute Sunday-night dispatch for double-toilet backup (1…
Within-hour arrival noted by 2 reviewers, including one same-day…
Pricing described as most reasonable vs competitors in 3 of 5…
Concerns
1 of 5 reviewers paid more than the original water-heater quote…
Hydroworks Plumbing
5·9 reviews·
18 mi away — Edge of service areaGoogle Verified
+2 more
Solid pick5.0Google
Strengths
Whole-house repipe work cited by 2 reviewers
Tankless water-heater installs cited by 2 reviewers as 'clean,…
Trenchless sewer-main relining cited as 'zero yard destruction',…
Concerns
Low review volume (9 total Google reviews) plus repeated…
Plumbing Point, Inc.
5·277 reviews·
In SunnyvaleGoogle Verified
+3 more
Top pick5.0Google
Strengths
Same-evening water-heater replacement after a 2-hour initial…
Detailed pre-quote inspections undercutting two other plumber…
Water-meter leak diagnosed and fixed same-day with clear quote (1…
Concerns
1 of 5 sampled reviews flags pricing as "slightly higher"…
Universal Plumbing & Rooter
5·58 reviews·
12 mi away — Serves your areaGoogle Verified
+4 more
Top pick5.0Google
Strengths
Same-day water heater replacement after a 13-year-old unit…
Resolved ghost-flushing toilet that two previous plumbers…
Photo-documented work and timeline updates
Concerns
Not enough data to identify weaknesses
Pacific Plumbing & Sewer Services
4.1·27 reviews·
10 mi awayGoogle Verified
+3 more
Avoid4.1Google
Strengths
Long-tenured customers cite competence and no-upsell honesty over…
Two-hour water-heater replacement reported by James Hamiter (1 of…
Concerns
2 of 5 sampled reviews are 1-star and reviewConsistency=0.04
Dispatch reliability flagged: 4-hour delay with no update and…
Conduct complaint: employees called rude and disrespectful to…
EJ Plumbing & Water Heaters
4.9·3.8k reviews·
In SunnyvaleGoogle Verified
Solid pick4.9Google
Strengths
Same-day or next-day dispatch cited in 3 of 5 reviews (Teri…
Camera diagnostics on hard slab/sewer cases
Repeat-customer loyalty signal
Concerns
No-show on a confirmed appointment window with zero proactive…
Cost called out as "very extensive and expensive" on the slab job…
Common No Hot Water Scenarios
Check the Pilot Light
For gas water heaters: look through the viewing window. If the pilot is out, follow the relighting instructions on the unit. If it won't stay lit, the thermocouple may need replacing.
Check the Breaker
For electric water heaters: check if the breaker tripped. Reset it once. If it trips again, there's an electrical issue — call a plumber.
Check for Leaks
Look around the base of the water heater for pooling water. A leaking tank is urgent and may need replacement.
Wait 30 Minutes
If the water heater was recently turned off or the pilot went out, it takes 30-60 minutes to reheat. If hot water doesn't return, call a pro.
Frequently Asked Questions
Why do I have no hot water?
Common causes: tripped breaker or blown fuse (electric), pilot light out (gas), failed thermostat, broken heating element, sediment buildup, or a leaking tank. Age is also a factor — water heaters last 8-12 years.
Is no hot water an emergency?
It's urgent but not dangerous (unlike a gas leak). In Sunnyvale during cold months, no hot water is more urgent — frozen pipe risk increases. Most water heater pros in Santa Clara County offer same-day repair.
How much does it cost to fix no hot water in Sunnyvale?
Common fixes: thermostat replacement $100-$200, heating element $150-$300, thermocouple $100-$200. If the tank itself is leaking, replacement runs $1,200-$3,500 depending on type and size.
How long does water heater repair take?
Most water heater repairs in Sunnyvale take 1-2 hours. Element or thermostat replacement is quick. Full water heater replacement takes 2-4 hours for a tank unit, 4-8 hours for tankless conversion.
Other Services in Sunnyvale
Drain Cleaning Water Heater Repair Burst Pipe Repair Repiping Bathroom Remodel Plumbing Sewer Repair Sewer Line Replacement Toilet Repair Faucet Repair Garbage Disposal Repair Sump Pump Repair Gas Line Repair Slab Leak Repair Water Line Repair Kitchen Remodel Plumbing Hydro-Jetting 24-Hour Plumber Same-Day Plumber Affordable Plumber Licensed Plumber Plumber Cost Clogged Drain Water Leak Low Water Pressure Frozen Pipes Sewage Backup All Emergency Plumbers
No Hot Water in Nearby Cities
Are You a Plumber?
Get listed on Fast Plumber Near Me and connect with homeowners who need emergency plumbing help right now. Free basic listings available.