Water Heater Installation & Replacement in San Diego County | Hack's Plumbing & Drain
Need a new water heater? Whether it’s a hot water heater replacement, a tankless water heater installation, or a like-for-like tank swap — we get it done same-day across Carlsbad, Escondido, Oceanside, Vista, San Marcos, and all of San Diego County.
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Accredited Business
& Insured
Emergency Service
Years of Experience
GET IT DONE IN 3 STEPS
Call or Book Online
Call 24/7 or submit our form. Tell us whether you need a hot water heater replacement, tankless water heater installation, or a new water heater install. We confirm your appointment — often same-day across Carlsbad, Escondido, Oceanside, Vista, San Marcos, and all of San Diego County.
We Diagnose & Quote
Our tech arrives, assesses your current unit, and gives you a clear upfront price — whether that’s a like-for-like water heater replacement, a hot water heater replacement, or an upgrade to tankless water heater installation. No pressure, no upsells, just honest options.
Same-Day Installation
We install your new water heater cleanly and correctly, haul away the old unit, and test everything before we leave. Most water heater installations and hot water heater replacements are completed the same day — you’ll have hot water again fast.
Solutions for Every Need
Commercial Plumbing
Grease trap installations, drain maintenance, boilers, sewer repairs, and much more…
Drain Cleaning
We have the best equipment in the industry to handle any drain problem. Drains are our specialty.
Gas Line Repairs
We provide professional gas line repair and replacement services. Experienced gas line plumbers
Water Heaters
From 3o-gallon home water heaters to commercial boilers, we repair and replace them all at affordable rates.al Plumbing
Camera Inspections
We can pinpoint the problems and record them on video so you can see the cause of the repair before we start.
Hydro Jetting
With the most powerful jetters in the industry, we can clear the toughest clogs in no time.
SATISFIED CUSTOMERS
Lorraine Nellis
Sabrina Salazar Wesley

INDUSTRY LEADERS
At Hack’s Plumbing and Drain, we’ve replaced hundreds of water heaters across San Diego County — and we know that when yours goes out, you need someone fast, honest, and qualified.
We carry top-rated tank and tankless units and can install same-day in most cases. No overselling, no unnecessary upgrades, and no hidden fees on the invoice. Just hot water back on as quickly as possible.
FIND SAVINGS
FOR SAN DIEGO HOMEOWNERS
No Hot Water? Let's Get It Fixed Today.
Tell us whether you need an installation, replacement, or upgrade to tankless — we’ll get back to you with a same-day appointment and upfront pricing. No obligation.
Water Heater Installation — Common Questions
Can you install a water heater the same day?
Yes — we stock common tank sizes on our trucks. Most water heater installations and hot water heater replacements across Carlsbad, Escondido, Oceanside, Vista, San Marcos, and San Diego are completed same-day.
Should I replace my tank water heater with a tankless unit?
Tankless water heater installation is worth considering if you want on-demand hot water, lower energy costs, and a longer equipment lifespan. Our tech will walk you through both options with honest pricing — no pressure.
What areas do you serve for water heater installation?
We install and replace water heaters throughout San Diego County — including Carlsbad, Escondido, Oceanside, Vista, San Marcos, Chula Vista, El Cajon, and surrounding communities.
How long does a water heater installation take?
Most standard water heater replacements take 2–3 hours. Tankless water heater installation may take longer depending on venting and gas line configuration, but we complete most installs in a single visit.
Are your plumbers licensed for water heater work in California?
Yes — all of our plumbers are fully licensed, bonded, and insured in California. Water heater replacements and installations require a permit in San Diego County and we handle that process for you.
Service Areas
No Hot Water? We Can Install a New One Today.

