“Installation Pros supplied and installed new tankless water heater. Cory is highly professional, came as per schedule, and completed the work promptly. We used Installation Pros several times for different jobs. We are very happy with their quality of work and service, and will use them again whenever we need maintenance for our home.”
Installation in Southern California
Water heater installation.
Replacing a water heater involves more than the new equipment. We review the heater type, location and existing setup before confirming the work.

Start with the details
Help us plan
your installation.
Send safely accessible photos without opening covers or moving equipment. Our team will discuss any additional site information needed.
- Tank or tankless equipment and model
- Existing gas or electric setup
- Indoor or outdoor location and access
- Replacement, relocation or new installation
A few common questions.
Do I need a permit to replace a water heater?
Usually. California's contractors board lists water heater installation among projects that usually need a permit, and Los Angeles County requires one for replacements. Rules vary by city; ask our team what your job needs.
Does California require earthquake straps?
Yes. State law requires new, replacement and existing home water heaters to be braced, anchored or strapped against earthquakes. Plumbing code places straps in the upper and lower thirds of the tank.
When is an expansion tank needed?
When your water system is "closed" by a pressure-reducing valve, check valve or backflow preventer. Without one, expanding hot water can cause early leaks and a dripping relief valve. Ask our team whether your home needs one.
Tank or tankless: what's the difference?
Tankless heaters heat water on demand and can last up to 20 years, versus about 8 to 12 for a tank. They draw much more gas at once, so they often need a larger gas line, new venting and a condensate drain. Our team reviews your setup with the quote.
Can I replace a gas water heater with a gas one in 2026?
Generally yes, for an existing single-family home. On June 6, 2025, the South Coast AQMD board voted not to adopt its proposed zero-emission water heater rule, and California's 2025 Energy Code (enforced since January 1, 2026) still lists gas or propane as a replacement option. Local rules can differ; our team reviews them for your project.
What does a heat pump water heater need?
Free air space around the unit (manufacturers often specify 450 to 700 cubic feet), a condensate drain and usually a 240-volt, 30-amp circuit. Circuit or panel work is for a licensed electrician.
How long does a water heater last?
About 8 to 12 years for a tank and 15 to 20 or more for tankless. Signs it's time: water at the base, rusty or discolored hot water, or rumbling and popping noises.
What should I have ready for a water heater quote?
A photo of the rating plate (model, serial number and gas type), the fuel (natural gas, propane or electric), where the heater sits (garage, closet, attic or outdoors), and whether it's a tank or tankless.
A clear next step
Reviewed by our team.
We review your equipment, location and access details, then contact you about scope and scheduling. Sending a request does not confirm a price or reserve an appointment.
Serving Los Angeles, Orange, San Bernardino, Riverside, San Diego and Ventura counties. Availability for your exact address is confirmed by our team.
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What customers say about our work.
In their own words, from Google and Yelp.
- 4.9 Google · 1,104 reviews
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