We Fix Any AC Issue — Guaranteed
- Same-day AC repairs, 7 days a week
- Fast, accurate diagnostics and clear solutions
- Reliable fixes by NATE-certified technicians
For emergency air conditioning repair, call us at 262-220-7020
Capital Provides Same-Day AC Repair
You should never have to wait to get your central AC or ductless mini split back up and running when it breaks down. That’s why we believe in same day air conditioning repairs, seven days a week.
We’ll send a Capital technician to save your day, right away!
5 Signs Your Central AC Needs Repair
Milwaukee summers are rough. Don’t get stuck with a broken AC. Look for these top five signs your AC unit needs a repair immediately:
1. Weak airflow from vents
2. Thermostat malfunctioning
3. A sudden spike in cooling costs
4. Loud or unusual noises
5. Foul, musty, or vile odors
If you’ve noticed any of these signs of AC damage, Call Capital immediately.
Testimonials
What Our Customers Say
Why Choose Capital?
We Repair All Cooling Systems
No matter what type of cooling system you rely on, Capital Heating & Cooling has the experience to diagnose and repair it correctly. Our technicians work on all major air conditioning system types found in Milwaukee-area homes, including both newer high-efficiency systems and older equipment.
We service and repair:
✔ Central air conditioning systems
✔ Heat pumps used for cooling
✔ Ductless mini-split air conditioners
✔ Zoned cooling systems
✔ High-efficiency and variable-speed AC units
✔ Older and legacy air conditioning systems
If your system is blowing warm air, cycling constantly, leaking refrigerant, or not turning on at all, we’ll identify the issue and explain your repair options clearly before any work begins.
Not sure what type of system you have? That’s okay — we’ll figure it out.
Common AC Problems in Milwaukee and How We Fix Them
Milwaukee’s hot, humid summers and frequent thunderstorms put unique stress on air conditioning systems. Here are the most common issues we see locally — and how our team addresses them:
Clogged Condensate Drains
Warm, damp conditions in summer encourage algae growth in your condensate drain line. When it clogs, water can back up into your unit and even overflow inside your home.
How we fix it: We use professional-grade tools to clear the blockage, flush the drain, and treat the line to slow future algae growth — helping protect your home from water damage.
Overworked Compressors
Extended stretches of 85°F+ days mean your AC runs nearly non-stop, putting major strain on the compressor. This can cause overheating, reduced efficiency, or total compressor failure.
How we fix it: We check for airflow restrictions, low refrigerant, and electrical issues that could be overloading the compressor. If repairable, we restore proper operation; if not, we present replacement options with honest cost comparisons.
Frozen Evaporator Coils
High humidity in July and August can cause moisture to freeze on your evaporator coils, especially if there’s low refrigerant, a dirty filter, or blocked airflow. Ice buildup prevents the coil from absorbing heat, leaving you with warm air or a system shutdown.
How we fix it: We locate the cause of the freeze, safely thaw the coils, restore proper airflow, and correct refrigerant levels. This not only gets your system cooling again but also prevents repeat icing.
Electrical Damage from Storms
Lightning strikes and power surges during Milwaukee’s summer storms can fry capacitors, relays, and control boards. These failures can leave your AC completely inoperable until the damaged parts are replaced.
How we fix it: We replace damaged components with high-quality parts stocked on our trucks for same-day service. To prevent future issues, we can install whole-home surge protection tailored to your HVAC system.
When AC Repairs Don’t Solve the Problem
In some cases, repeated repairs can keep your AC running for a short time — but the same issues keep coming back. This is often a sign the system is too far gone to restore reliable performance.
1. The Same Breakdown Happens Again
If you’ve had the same part replaced or the same repair performed more than once in a short time, it usually means there’s a deeper, system-wide problem that won’t be solved with patch fixes.
2. Multiple Components Are Failing
When compressors, coils, and electrical parts start failing in sequence, it’s a red flag that the entire system is worn out. Even if we repair one part, another may fail soon after.
3. Repairs Only Provide Temporary Relief
If your AC cools for a few days or weeks after a repair, then stops again, it often indicates underlying issues like severe refrigerant leaks, compromised coils, or failing compressor motors.
4. Repair Costs Keep Adding Up
Several “small” repairs in one season can add up to more than the cost of a replacement. At that point, continuing to repair the unit is often throwing money at a system that will never be truly dependable.
5. Persistent Comfort Problems
Even after service, you may notice uneven cooling, excess humidity, or the system constantly running without reaching the set temperature. This can signal that the AC no longer has the capacity to handle Milwaukee’s summer heat.
Our Approach
When repairs don’t fully solve the problem, we perform a thorough system evaluation to find the root cause. If we determine your AC is beyond repair, we’ll explain why, outline replacement options, and help you choose a solution that ends the cycle of breakdowns for good.
Avoid Costly Breakdowns with Regular Maintenance
While we’re here to get your system back up and running, the best way to avoid costly repairs — or even premature replacement — is with regular AC maintenance. Routine tune-ups keep your system efficient, extend its lifespan, and help catch small issues before they turn into major breakdowns.
FAQs on AC Repair
How quickly can you respond to AC repair calls?
Capital Heating & Cooling offers fast AC repair throughout the Milwaukee area, with same-day service available whenever possible. During peak summer heat, we prioritize no-cool calls to restore comfort as quickly as we can.
Do you provide emergency air conditioning repair?
Yes. When your AC stops working during extreme heat, we provide emergency air conditioning repair to get your system running again safely and reliably.
What are the most common AC problems you repair?
We regularly fix refrigerant leaks, frozen evaporator coils, capacitor failures, electrical issues, airflow problems, and thermostat malfunctions. Our technicians diagnose the root cause—not just the symptom.
Is it better to repair or replace my air conditioner?
If your AC is newer and the repair is minor, repair is often the most cost-effective option. If your system is older, needs frequent repairs, or struggles during hot Wisconsin summers, replacement may offer better long-term value. We’ll walk you through the options honestly.
How much does AC repair usually cost?
AC repair costs vary based on the issue, parts needed, and system type. After diagnosing the problem, we provide clear, upfront pricing before any work begins—no surprises.
What brands and system types do you service?
We repair all major air conditioner brands and service central AC systems, heat pumps, and ducted systems commonly found in Milwaukee-area homes.
Can I prevent future AC breakdowns?
Regular maintenance is the best way to reduce unexpected AC failures. Seasonal tune-ups help catch small issues early, improve efficiency, and extend system lifespan—especially before peak summer heat.
Do you repair AC systems in older Milwaukee homes?
Absolutely. We regularly service AC systems in older homes with aging ductwork, limited airflow, or outdated electrical setups. Our technicians are experienced with the challenges these homes present.
