Trusted AO Smith Water Heater Installation and Repair Services in Downey, CA
Hot water is something we often take for granted, until it’s gone. At Downey Plumbing Heating & Air Conditioning, we know how important it is to have a dependable water heater that keeps up with your household’s daily needs. That’s why we proudly offer professional installation, repair, and maintenance services for AO Smith water heaters in Downey and nearby communities. AO Smith is one of the most respected names in the industry, known for building long-lasting and energy-efficient units that are both powerful and reliable.
Technician was Very Supportive, Very Knowledgeable





Whether you’re planning to replace your aging system or need help diagnosing a problem with your current water heater, our licensed plumbers are here to help. We take the time to understand your home’s hot water demands, guide you through your model options, and complete each installation or repair with precision. From energy-saving tankless models to high-capacity tank systems, we install and service them all. If you’re looking for a brand you can count on and a team of professionals who stand behind it, you’ve come to the right place.
AO Smith Water Heater Installation Services in Downey, CA
When it’s time to install a new water heater, choosing the right brand and installer can make all the difference. Our team specializes in AO Smith water heater installations and has the training and experience to set your new system up correctly from the start. We begin every job with a consultation to understand your home’s hot water usage and preferences. Then we help you select the ideal model, whether that’s a tankless system for energy savings or a larger tank unit for busy households.
During installation, we handle every detail:
- Safely removing the old unit
- Making all necessary plumbing connections
- Testing for safety, leaks, and efficiency
- Ensuring your home is left clean and water-ready
With us, you don’t just get a new water heater, you get peace of mind. Our goal is to provide a reliable, efficient, and hassle-free installation that keeps your hot water flowing for years to come.
AO Smith Water Heater Repair Services
A malfunctioning water heater can quickly throw your routine into chaos. Whether it’s leaking, making noise, or failing to provide enough hot water, we’re here to get it working again, fast. Our technicians are trained in servicing AO Smith water heaters of all types and ages, from traditional tank models to advanced tankless units.
We’ll arrive on time, troubleshoot the issue, and walk you through your options before making any repairs. Most problems, such as faulty heating elements, thermostats, or valve leaks, can be repaired on the spot. We carry common AO Smith parts and use proper repair techniques to extend your unit’s life and restore performance.
If your water heater is beyond repair, we’ll explain your replacement options and help you upgrade to a more efficient system. Either way, you can expect honest advice, fair pricing, and dependable work from a local team that takes pride in doing things right.
Energy-Saving Features of AO Smith Water Heaters
AO Smith water heaters are designed with energy efficiency in mind, helping you reduce monthly utility costs without sacrificing performance. Many models feature advanced insulation, self-cleaning tank technology, and smart controls to limit standby heat loss and improve heating response. Tankless models are especially efficient, delivering hot water only when needed, ideal for households looking to reduce energy use.
Here’s how AO Smith helps you save:
- Energy Star® certified models are available for greater efficiency
- Self-cleaning dip tubes that reduce sediment buildup
- Tankless options that eliminate the need to heat stored water
- Eco-friendly gas and electric models that meet California codes
Our team can recommend a model that balances comfort, performance, and energy savings. We’ll also show you how to make small adjustments, like setting the thermostat to 120°F, for added savings over time.
Why Homeowners Choose AO Smith Water Heaters
AO Smith isn’t just a popular brand, it’s a brand trusted by homeowners and professionals alike. For over 145 years, the company has built a reputation for producing water heaters that stand the test of time. They offer a variety of models that fit all types of homes and hot water demands, from compact units for apartments to high-efficiency tankless models for growing families.
Top reasons customers choose AO Smith:
- Exceptional build quality and long product life
- A variety of models, including gas, electric, hybrid, and tankless
- Strong warranties on parts and tanks
- Proven customer satisfaction and positive industry reviews
- Easy maintenance features and smart system diagnostics
When you invest in an AO Smith water heater through Downey Plumbing Heating & Air Conditioning, you’re not just buying a product, you’re investing in comfort, confidence, and long-term savings.
Maintenance Tips to Keep Your AO Smith Water Heater Running Strong
Even the best water heaters need regular care to perform their best. At Downey Plumbing Heating & Air Conditioning, we recommend annual maintenance to extend the lifespan of your AO Smith water heater and keep it running efficiently.
Here’s what we check during a maintenance visit:
- Flush the tank to remove sediment that reduces efficiency
- Inspect the anode rod to protect against corrosion
- Test the pressure relief valve for safety
- Check connections for leaks and wear
- Calibrate the thermostat to an ideal setting
With regular service, your AO Smith heater will continue to operate safely and effectively, often for 10–15 years or more. We can also set up a routine maintenance schedule so you never have to remember when it’s due, leave that to us.