Milwaukee’s Local Heat Pump Specialists
At Capital, we specialize in expert heat pump installation, repair, and replacement throughout Milwaukee and the surrounding areas. Our certified technicians know these systems inside and out—and we’re known for getting the job done right the first time.
Available 24/7 for immediate repairs. For repairs or installations, call 262-220-7020 or book online.
We’ve worked in homes across every part of Milwaukee—from mid-century bungalows near the lakefront to newer suburban builds—and we know how to size and install systems for efficiency in every setting. Capital’s technicians are trained on the latest cold-climate models that keep performing even when temperatures drop below freezing.
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Why a Heat Pump?
Heat Pump Benefits, How It’s Different, and How They Fit Milwaukee Homes
Unlike traditional furnaces and air conditioners, a heat pump provides both heating and cooling with one energy-efficient unit. That’s a major advantage in Milwaukee’s variable weather—where it can be 80° one day and snowing the next.
Modern heat pumps are designed to operate efficiently even in subzero temperatures, making them an excellent fit for Southeastern Wisconsin homes. They also:
- Use less energy than separate heating and cooling systems
- Offer zoned comfort and precise temperature control
- Qualify for Focus on Energy rebates and federal clean energy incentives
- Deliver a cleaner, safer alternative to combustion-based systems
Call today for a consultation and see how Capital Heating & Cooling can design a heat pump system tailored to your Milwaukee home.
Signs Your Heat Pump Needs Repair
- Not providing sufficient heating or cooling, or the airflow is weak
- Grinding, clicking, squeaking, or rattling
- Frequently turning on and off
- Leaking water or icing up
- Dramatically increased energy bills
Schedule your heat pump repair, installation, or replacement with Capital—Milwaukee’s trusted heat pump experts. Call 262-220-7020 today!
Common Causes of Heat Pump Problems in Milwaukee
Heat pumps work hard here, running nearly year-round through freezing winters and humid summers. Over time, local conditions can cause issues that affect performance, efficiency, or reliability.
Frequent system cycling in extreme cold
When temperatures drop below freezing, your heat pump may switch to backup heat more often. If it happens excessively, it could signal a failing sensor, low refrigerant, or an undersized system.
Frozen outdoor coils
Snow, sleet, and freezing rain are common in winter and can cause the outdoor coil to ice over. A properly working defrost cycle should clear it — if not, airflow or refrigerant problems may be to blame.
Blocked airflow from leaves or debris
Fall leaf buildup and spring debris can clog the outdoor unit, forcing your system to work harder and reducing efficiency.
Low refrigerant levels
Leaks are more likely in older units exposed to repeated freeze-thaw cycles. Low refrigerant makes your system run longer, increasing wear and energy costs.
Electrical or thermostat issues
Power surges and older wiring, especially in older homes around southeastern Wisconsin, can lead to electrical faults or inconsistent thermostat signals.
Humidity and indoor airflow problems
High summer humidity can stress your system’s cooling cycle, while dirty filters or leaky ducts reduce airflow and comfort throughout your home.
If your system struggles to heat, cool, or defrost properly, schedule a diagnostic visit today.
Capital provides 24/7 repairs and maintenance to keep your heat pump running efficiently through Wisconsin’s toughest seasons.
Milwaukee Heat Pump Services
Heat Pump Repair
If your heat pump isn’t heating or cooling properly, making noise, or running nonstop, it’s time to call Capital. We provide expert heat pump repair across Milwaukee, working on all major brands. Our techs diagnose issues fast—no guesswork, no upselling.
Common heat pump issues we fix include:
- Frozen outdoor units during cold weather
- Low refrigerant or refrigerant leaks
- Faulty reversing valves that prevent switching between heating and cooling
- Thermostat or sensor malfunctions
- Worn-out blower motors or fan problems
Heat pumps are efficient, but they’re also more complex than a standard furnace or AC—and not every contractor knows how to fix them properly. At Capital, our technicians are trained specifically on heat pump systems and carry the tools and parts to get most repairs done in one visit.
Heat Pump Installation
With Milwaukee’s extreme weather, your heat pump works year-round. But performance starts with proper installation. At Capital, we install it right the first time—guaranteed for efficiency, comfort, and reliability.
Capital cares to deliver red-carpet service on every job, so you can expect several benefits and amenities with your heat pump installation, including:
- Exclusive warranties on craftsmanship, parts, and products
- High-quality, name brand products designed for maximum thermal efficiency
- Comprehensive, in-home consultations from trained professionals
- Free estimates that are backed by flexible financing solutions
- Timely and respectful service from an award-winning, certified crew
Repair or Replace? When To Replace Your Heat Pump.
We get this question a lot from Milwaukee homeowners: “Should I fix my heat pump or replace it?” The answer depends on what your system’s doing—and how long it’s been doing it.
We’ll usually recommend a repair if the system’s under 10 years old, hasn’t had many issues, and the fix is straightforward—like a bad capacitor, sensor, or low refrigerant. These are common and usually worth fixing.
But if your heat pump is 10 to 15 years old, has had multiple breakdowns, or you’re looking at a major part like a compressor or reversing valve—that’s when we start talking replacement. Newer heat pumps are way more efficient and better suited for Milwaukee winters than the older units.
Either way, we’ll take the time to look it over and give you a clear, honest recommendation. No pressure—just what we’d do in our own home.
Need us to take a look? Call 262-220-7020 or book online. We’ll help you figure it out.
Heat Pump Replacement
When it’s time to replace your heat pump, Capital doesn’t just swap it out—we help you choose the right system for your home, your comfort goals, and Milwaukee’s demanding climate. Our certified technicians recommend only high-quality, proven equipment that delivers long-term performance and energy savings.
Every replacement is:
- Backed by exclusive, long-term warranties
- Covered by our 100% satisfaction guarantee
- Installed by highly trained, certified Capital crews
- Supported with full repair and maintenance services
We make sure your new heat pump is sized, installed, and set up correctly—so it runs efficiently from day one.
Federal Rebates
It looks like the government will cover 30 percent of the total cost of what you paid for your heat pump, including the cost of labor, up to $2,000.
However, please contact us for the most current available rebates since they can change.
Which Type of Heat Pump Is Right for Your Milwaukee Home?
Every home in Milwaukee is built differently — from historic duplexes near the East Side to newer homes in Brookfield and Waukesha. The right heat pump depends on your layout, insulation, and how your home handles Wisconsin’s changing weather. Our team at Capital HVAC Plumbing and Electric helps you find the perfect system that fits your comfort goals, budget, and energy priorities.
Types of Heat Pumps
Here are the most common types of heat pumps Milwaukee homeowners choose — each designed to perform efficiently through both freezing winters and humid summers.
Air-Source Heat Pumps (Cold-Climate Models)
These are the most common and versatile systems for Milwaukee homes. Modern cold-climate air-source heat pumps are designed to extract heat even when outdoor temperatures dip below zero. They reverse in summer to provide cooling, offering year-round comfort from one unit. They work especially well in homes with existing ductwork and qualify for Focus on Energy rebates and federal tax incentives.
Best for: Most Milwaukee homes that need efficient, all-season heating and cooling.
Ductless Mini-Split Heat Pumps
Perfect for homes without ductwork or for heating and cooling individual rooms. Ductless systems are compact, quiet, and ideal for older Milwaukee homes where adding ducts would be difficult—such as Bay View, Wauwatosa, and Shorewood properties. Each indoor unit offers independent temperature control, so you can heat or cool only the spaces you use.
Best for: Older homes, home additions, finished attics, and basements.
Geothermal (Ground-Source) Heat Pumps
Geothermal systems use the stable temperature underground to heat and cool your home. They’re the most energy-efficient option available, performing exceptionally well through Wisconsin’s subzero winters and humid summers. While installation costs are higher, geothermal systems last longer and can significantly reduce energy bills.
Best for: Homeowners planning a long-term investment in efficiency, comfort, and sustainability.
Need Help Choosing the Right Heat Pump for Your Home?
Every home in Milwaukee is different. Our team at Capital HVAC Plumbing and Electric will evaluate your space, insulation, and energy goals to recommend the system that delivers the best performance for your property. Call 262-220-7020 today or schedule your consultation online.

Why Choose Capital?
Capital Guarantees
Capital Heating, Cooling, Electric & Plumbing stands behind all our work. You are covered on the installation of your heating or cooling system by the following guarantees and more:
- Your 100% Unconditional Satisfaction Or Your Money-Back Guarantee
- 5-Year Comfort Guarantee
- Exclusive Lemon-Free Guarantee
- Lifetime Installation Components & Craftsmanship Guarantee
- Lifetime Ductwork Warranty
- And more.
Flexible Financing
Capital cares to make your life better today, without YOU having to worry about tomorrow. So we also offer a number of financing options to help you with your HVAC system, plumbing, or electrical repair or replacement costs.
Capital Communication

We will let you know what to expect on the day of your service, and introduce you to technician before they arrive at your doorstep. At least 24 hours prior to your installation, you’ll receive a “Meet Your Technician” email with:
- Technicians’ photo
- # years experience
- Photo of the install truck
- In Transit text
In addition to the friendly introduction, you can rest assured that every Capital technician who enters your home is thoroughly vetted, professionally trained, and nationally certified. In fact, many team members have been recruited from across the country to ensure you always receive the highest level of expertise—no matter the service.
How Do Heat Pumps Work?
Heat pumps use electricity to heat and cool your home, instead of using fuel sources like oil or propane.
There are two main parts to a heat pump system: an outdoor compressor unit, and a refrigerant and piping system powered by an indoor fan wall unit.
In the winter, the outdoor unit collects and compresses low temperature heat from the ground or air, and moves it indoors to heat your home.
During summer, the process is reversed by drawing heat energy from inside your house and sending it out through the outdoor compressor.

Capital believes installing a heat pump is the best way to keep you and your family ridiculously comfortable throughout the year, operating even in the most extreme weather.
Heat pumps can also save you money because they cover as much space as an air conditioner or heating system at a much lower cost.
AND heat pumps are environmentally friendly!
You should never have to wait for comfort, so Capital stands ready to repair your heat pump if you’re having any issues whatsoever.
Frequently Asked Questions About Heat Pumps
Q: How do I know if a heat pump is right for my home?
A: Heat pumps work well for most homes in southeastern Wisconsin, especially newer or well-insulated properties. If you want one system that provides both heating and cooling while lowering energy costs, a heat pump is a smart choice. Capital can assess your home and recommend the model that best fits your layout and comfort goals.
Q: Do heat pumps work efficiently in cold weather?
A: Yes. Modern cold-climate models are designed to operate efficiently even when outdoor temperatures fall below freezing. They use advanced compressors and defrost cycles to maintain reliable performance during Wisconsin winters.
Q: How long do heat pumps last?
A: A properly installed and maintained heat pump typically lasts 12–15 years. Regular tune-ups help extend lifespan and keep your system performing efficiently through both heating and cooling seasons.
Q: What are the signs my heat pump needs repair?
A: Weak airflow, unusual noises, short cycling, or higher utility bills are common warning signs. Freezing coils, poor heating performance, or reduced cooling during humid months often point to airflow or refrigerant issues — both common in Wisconsin’s climate.
Q: Can a heat pump replace my existing furnace or AC?
A: In many cases, yes. A heat pump can replace both systems with one high-efficiency unit. For older homes or those with unique layouts, we can also install a dual-fuel system that pairs your heat pump with a gas furnace for maximum efficiency in very low temperatures.
Q: Are there rebates for installing a new heat pump?
A: Yes. Wisconsin homeowners can take advantage of Focus on Energy rebates and federal tax incentives that make heat pump upgrades more affordable. Capital will help you find and apply for all eligible programs.
Q: How often should I schedule maintenance?
A: We recommend servicing your heat pump twice a year — once before heating season and once before cooling season. Regular maintenance keeps efficiency high, prevents costly breakdowns, and ensures comfort year-round.
Q: Do you offer 24/7 repair service?
A: Yes. Capital offers 24/7 emergency repairs across southeastern Wisconsin. If your heat pump stops working, our technicians are always available to restore your comfort fast.
