Water Heater Repair & New Installations
Capital Heating, Cooling & Electric provides same-day water heater repair and professional installation for homeowners across Milwaukee and the surrounding areas.
Whether your water heater is leaking, running cold, or needs a full replacement, Capital has you covered.
Our certified plumbers repair and install gas, electric, and tankless systems — fast, reliable service that keeps your home comfortable and your hot water flowing all year long.

Do You Have a Water Heater Emergency? Call Capital right away if you notice:
Active Leaks or Flooding
A leaking tank or burst pipe can quickly damage your floors, walls, or basement.
Gas Smells Near the Unit
This could indicate a dangerous gas leak. Leave the area immediately and call for professional help.
Electrical Hazards
Sparking, smoke, or breakers constantly tripping with your electric water heater should be treated as urgent.
Carbon Monoxide Concerns
For gas systems, any suspicion of exhaust venting issues or carbon monoxide leaks requires immediate service.
When emergencies strike, Capital’s plumbers are available with same-day service, 7 days a week. We’ll respond quickly, assess the situation, and provide safe, effective repairs to restore your hot water and protect your home. Call 262-220-7020 now!
Fast, Reliable Water Heater Repair & Installation with Capital
When Milwaukee homeowners need water heater service, they call Capital. Our certified plumbers are trained to repair and install every type of system — gas, electric, and tankless — with the speed and precision you expect.
We have a large local team ready for same-day repairs, and we back every installation with transparent pricing and guaranteed workmanship. Whether it’s fixing a leak, restoring hot water, or replacing an outdated unit, Capital delivers the service and reliability that keeps your home running.
Comprehensive Water Heater Repair in Milwaukee
In Milwaukee, water heaters work harder than in many other parts of the country. Cold groundwater in the winter forces your system to heat from near-freezing temperatures, and our area’s hard water leaves behind minerals that build up inside tanks and pipes. Over time, these local factors lead to breakdowns that homeowners can’t ignore.
That’s why Capital’s certified plumbers are trained to repair every type of water heater found in Milwaukee homes — gas, electric, tank, and tankless. Whether it’s an older unit in a Bay View basement or a modern high-efficiency system in Brookfield, our team knows the unique service needs of each and fixes them fast.
Common Problems We Fix Every Day
Inconsistent or No Hot Water – Often caused by worn heating elements, faulty thermostats, or undersized units that can’t keep pace with Milwaukee winters.
Pilot Light & Ignition Failures – Drafty basements and aging gas components make this a common call, especially in the city’s older homes.
Leaks and Pooling Water – Sediment buildup from hard water corrodes tanks and fittings, creating leaks that only get worse with time.
Noisy Operation – Popping or rumbling sounds usually mean excess sediment, which reduces efficiency and strains the system.
Unexplained Energy Spikes – When your water heater runs longer than it should to do the same job, efficiency has dropped and repair is needed.
Slow Recovery Time – In cold months, some Milwaukee households find their water heater takes too long to reheat after use, often pointing to failing elements, dip tube issues, or sediment restricting capacity.
Local Knowledge That Matters
Capital’s plumbers are trained to spot the difference between a one-time malfunction and a deeper issue caused by Milwaukee’s climate or housing conditions. That means quicker diagnosis, fewer surprises, and repairs that hold up through our toughest winters.
Types of Water Heaters We Repair
Capital’s plumbers are trained to repair every type of water heater found in Milwaukee homes. Whether you live in an older East Side property or a newer build in Waukesha, we know the unique issues that come with each system.
Traditional Tank Water Heaters
Still the most common in Milwaukee, tank models often develop leaks, corrosion, or sediment buildup from our area’s hard water. We repair heating elements, thermostats, valves, and more to keep them running.
Tankless (On-Demand) Water Heaters
Tankless systems are efficient, but they’re sensitive to mineral buildup and venting problems — both common in southeast Wisconsin. Our team clears clogs, replaces faulty sensors, and restores flow so you get hot water on demand.
Electric Water Heaters
Quiet and compact, electric models can fail when heating elements burn out or thermostats malfunction. We quickly diagnose and replace worn parts so you’re not stuck with cold showers.
Gas Water Heaters
Very common in Milwaukee basements. Pilot light failures, ignition issues, and gas valve problems are frequent repair calls — often made worse by drafty older homes.
Hybrid (Heat Pump) Water Heaters
Though less common locally, hybrid units can struggle in cold basements. We service compressors, fans, and controls to keep them efficient year-round.
Point-of-Use / Mini-Tank Heaters
Often found under sinks or in additions, these small units can leak or lose heating power. We repair or replace components to extend their life.
For all your water heater needs in Milwaukee, trust Capital to deliver exceptional service and quality workmanship. Contact us today to schedule an installation or repair service.
We believe in giving you red carpet service and superior workmanship, backed by our 100% satisfaction guarantee.
When it comes to water heater service, you need local Milwaukee plumbers you can trust. At Capital, we deliver expert repairs and installations that keep your hot water running reliably—backed by honest service and guaranteed results.
Call Capital today, and never be without hot water again!
Testimonials
What Our Customers Say
Professional Water Heater Installation in Milwaukee
If your water heater is more than 10–15 years old, requires frequent repairs, or can no longer meet your family’s needs, replacement is often the smarter investment. Capital makes installation smooth, affordable, and built to last.
We install:
Tank water heaters: Available in both gas and electric models, these systems offer an affordable upfront cost and reliable hot water supply.
Tankless water heaters: Endless hot water on demand, compact design, and improved efficiency for families upgrading their systems.
Hybrid / specialty models: Less common, but we handle them too, giving you every option to match your home’s needs.
Our plumbers evaluate your household’s hot water usage, recommend the right model, and install it to manufacturer standards for maximum performance. With Capital, you can count on transparent pricing, quality workmanship, and lasting comfort.
Tankless vs Traditional Water Heaters
Selecting the right water heater depends on your household’s specific needs. Here’s a brief comparison to help you decide:
Traditional Tank Water Heaters:
- Store a set amount of hot water for immediate use
- Lower initial installation costs
- Suitable for households with consistent hot water usage
Tankless Water Heaters:
- Heat water on demand, providing endless hot water
- Compact design saves space
- More energy-efficient, potentially lowering utility bills
- Longer lifespan compared to traditional models
Our experts at Capital Heating & Cooling will assess your home’s hot water demands and guide you in choosing the most efficient and cost-effective solution.
Common Questions on Water Heater Repair & Installation
How much does water heater repair cost in Milwaukee?
The cost depends on the type of system (tank, tankless, gas, electric) and the issue. Small fixes like thermostat or valve replacements are usually affordable, while bigger problems like leaks, ignition failures, or tank damage cost more. At Capital, we always provide upfront pricing so you know the cost before work begins — no surprises.
How long does a water heater repair take?
Most repairs can be completed in one visit and usually take 1–2 hours. Because our trucks are fully stocked with common parts, our plumbers can often solve the problem right away without a second appointment. More complex repairs may take longer if specialty parts are needed.
When should I replace instead of repair?
If your water heater is more than 10–15 years old, requires frequent service calls, or no longer meets your household’s hot water demand, replacement may be the smarter choice. Our plumbers will inspect your unit and give you honest recommendations so you can decide whether repair or replacement makes more sense.
How long does it take to install a new water heater?
A standard tank water heater can usually be installed in about 2–3 hours. Tankless systems may take longer because of additional venting or plumbing adjustments. Capital’s team works efficiently and ensures everything is installed to code and manufacturer standards.
What types of water heaters do you install?
We install all major types — traditional tank models (gas and electric), tankless/on-demand systems, hybrid models, and point-of-use heaters. Our plumbers will assess your home’s needs and help you choose the right system for your budget and hot water usage.
Do you offer same-day water heater service?
Yes. Capital provides same-day water heater repairs and replacements 7 days a week across Milwaukee and surrounding areas. If you lose hot water, our team is ready to respond quickly.
Will a new water heater lower my energy bills?
In many cases, yes. Older tanks with sediment buildup or worn-out parts run inefficiently and waste energy. Newer tank and tankless models are much more efficient, saving you money on monthly utilities. Our team can help you choose the right model to maximize savings.
