Furnace Repair, Installation, & Replacement
- Same-Day Furnace Repairs & Replacements — 7 Days a Week
- NATE-Certified Furnace Technicians You Can Trust
- Emergency Service Available — Call 262-220-7020 Anytime
Capital Repairs Your Furnace, Same Day
You should never have to wait to get your furnace back up and running when it breaks down. That’s why we believe in same day repairs, seven days a week. We’ll send a Capital technician to save your day, right away!
Professional 24/7 Furnace Repair
When your furnace breaks down, you need more than a quick fix. Milwaukee winters demand reliable solutions from technicians who know local systems. Capital HVAC’s NATE-certified team has repaired every major brand — Lennox, Carrier, Trane, Rheem, and more — and we use advanced diagnostics to find the real problem, not just patch symptoms.
You’ll get clear estimates, honest recommendations, and technicians who respect your home with drop cloths, shoe covers, and clean work areas. It’s this mix of skill and professionalism that keeps Milwaukee families turning to Capital when the heat goes out.
Signs You Need A Furnace Repair
Milwaukee winters are rough. Don’t get stuck with a broken furnace. Look for these top five signs your furnace needs a repair immediately:
Your energy bills are higher.
Your system is blowing out cold air.
Your unit is noisy (or noisier than usual).
Temperatures vary greatly from room to room.
If you’ve noticed any of these signs of furnace damage, contact us immediately.
Common Furnace Repairs in Milwaukee Homes
Because we’ve worked in neighborhoods from Bay View to Brookfield, we know the furnace issues Milwaukee homeowners face most often:
- Ignition and Pilot Issues – Cold snaps often expose weak ignitors and pilot lights that need repair or replacement.
- Worn Belts and Bearings – Typical in older systems found in Wauwatosa and Shorewood homes, leading to squealing or grinding noises.
- Clogged or Dirty Flame Sensors – A frequent cause of unexpected shut-offs during long winter runs.
- Blower Motor Failures – Common in two-story homes where systems run harder to push air through older ductwork.
- Thermostat and Control Problems – Especially in mixed-use spaces or older homes where wiring has been updated over time.
The Locally Trusted Furnace Repair Specialists
We know the climate, the housing stock, and the quirks of local furnace systems. Whether it’s tracking down airflow issues in a drafty bungalow or sourcing the right part for an older unit still heating a historic Milwaukee home, we’ve seen it all — and we know how to fix it.
When Your Furnace Is Beyond Repair: Moving Toward Replacement
During some repair visits, we find the problem isn’t just a worn part but a furnace that’s reaching the end of its lifespan. If the system is 15–20 years old, parts may be hard to source, efficiency drops, and major fixes become too costly to justify. At that point, it makes more sense to consider replacement than to keep patching an outdated unit.
When Repairs Reveal It’s Time to Replace
- Age and wear — older furnaces are less efficient and more expensive to repair
- Recurring failures that keep sending you back to the service line each season
- High-cost breakdowns like cracked heat exchangers or blower failures that rival the cost of a new system
Guiding You Through Furnace Replacement
If a repair isn’t possible because of age or cost, replacement is the natural next step — and Capital makes it simple.
When repairs uncover these bigger issues, we don’t leave you stuck. Our team explains why replacement is the more practical option, reviews system choices, and shows how today’s high-efficiency furnaces deliver quieter operation, lower utility bills, and more reliable comfort for Milwaukee winters.
Choosing the Right Furnace for Your Home
Every Milwaukee home has different heating needs. Older houses in neighborhoods like Bay View or Wauwatosa often require careful system sizing to account for older ductwork, while newer homes in Franklin or Oak Creek may benefit from variable-speed units that adjust airflow floor by floor. We match your furnace to your home’s design so you enjoy even, reliable warmth all winter long.
Types of Furnaces We Install
Choosing the right furnace isn’t just about picking the newest model — it’s about matching the system to your home’s size, design, and Milwaukee’s demanding winters. At Capital HVAC, we review your options and recommend the best fit based on your home’s layout, energy goals, and budget.
Gas Furnaces
The most common heating choice in Milwaukee, natural gas furnaces provide powerful, reliable heat even during single-digit temperatures. We often recommend high-efficiency gas models for older homes in Bay View, Wauwatosa, and Shorewood, where ductwork may need steady airflow to keep heat consistent.
Electric Furnaces
Electric units are less common locally due to higher operating costs, but they can be a smart option for smaller Milwaukee homes, condos, or additions where gas isn’t available. With no combustion, they also offer quieter operation and minimal maintenance.
High-Efficiency Furnaces (95%+ AFUE)
For homeowners in suburbs like Brookfield, Oak Creek, and Franklin, high-efficiency furnaces are often the best investment. These systems drastically cut heating costs, qualify for Focus on Energy rebates, and deliver consistent comfort across larger multi-story homes.
Two-Stage / Variable-Speed Furnaces
Modern two-stage and variable-speed units adjust their output to meet demand, reducing energy waste and preventing the “blast of hot air” older furnaces create. In Milwaukee’s climate — where fall and spring bring mild temperatures but winters plunge below zero — this flexibility provides steady comfort year-round.
Furnace Recommendations for Milwaukee Homes
Older City Homes – A properly sized high-efficiency gas furnace to overcome drafty construction and older ductwork.
Newer Suburban Homes – A variable-speed or two-stage furnace to manage larger square footage with precision.
Smaller Homes & Additions – Electric furnaces or hybrid systems when natural gas isn’t practical.
The Benefits of Newer Furnace Units
Homeowners often think about replacements only in terms of cost, but new systems offer more than savings:
Energy Efficiency – Many new furnaces operate at 95%+ AFUE (Annual Fuel Utilization Efficiency), meaning almost every dollar spent on gas turns into heat. That’s a huge jump from older systems running at 70–80%.
Quiet Operation – Advanced blower designs and insulated cabinets mean you’ll barely notice when the furnace is running.
Smart Compatibility – Pairing with smart thermostats allows homeowners to fine-tune comfort room by room and reduce wasted energy.
Reliability in Extreme Cold – Built to handle Midwest winters, modern systems are tested to maintain output during long stretches of single-digit temperatures.
Making Replacement Affordable
We know cost is a major concern for homeowners. That’s why we help you access Wisconsin’s Focus on Energy rebates, which can reduce the upfront price of qualifying systems. We also offer Capital’s flexible financing plans so you can spread out the investment without delaying comfort. Combined with the long-term savings of lower utility bills, replacement often costs less than continuing to repair an aging unit.
Replacement Day: What to Expect
When it’s time to replace your furnace, we treat the process with the same care and attention we’d want in our own homes.
Arrival & Preparation
Our certified technicians show up on time, ready to work. We protect your home by wearing shoe covers, laying down drop cloths, and ensuring that the work area stays neat throughout the job.
Safe Old Furnce Removal
The old system is disconnected, carefully removed, and disposed of according to local guidelines. This includes recycling materials when possible, so nothing is left behind for you to worry about.
Installing Your New System
The new furnace is set in place, connected to your ductwork, and integrated with your thermostat and electrical supply. Our technicians double-check that all connections are tight, safe, and up to code.
Testing & Calibration
We don’t just power it on and leave. We run the system through a full cycle, checking airflow, temperature output, and fuel efficiency to make sure it’s operating at peak performance. Adjustments are made on the spot so you get the most out of your new unit right from day one.
Homeowner Walkthrough
Before we pack up, we walk you through the new system — explaining how the controls work, answering your questions, and sharing maintenance tips that will help extend the furnace’s lifespan.
Clean Finish
Once everything is complete, we tidy the space, remove all debris, and leave your home just as we found it — only now with a more reliable, efficient heating system.
Testimonials
What Our Customers Say
Furnace Installation for New Homes & Additions in Milwaukee
When you’re building a new home, finishing a basement, or adding square footage, your heating system needs to be designed from the ground up. Capital HVAC specializes in installing furnaces for new builds and remodels, making sure your system is sized, placed, and set up for long-term comfort.
Why Professional Installation Matters
A furnace isn’t a plug-and-play appliance — it has to be matched to your home’s layout, ductwork, and insulation. An oversized unit wastes energy, while an undersized one struggles to keep up with Milwaukee’s cold winters. Our team uses detailed load calculations to recommend the right system for your project so you get efficient, reliable heat from day one.
Installation Scenarios We Handle
Custom Solutions – Tailored installs for multi-unit buildings, remodels, and unique floor plans.
New Home Construction – Full system design and installation, from the furnace itself to ductwork and thermostat controls.
Home Additions – Matching the new space with the existing system, or installing a dedicated furnace if needed.
Fuel Conversions – Switching from electric or oil to natural gas for better efficiency and reliability.
Built for Milwaukee Living
Our technicians understand the demands of Wisconsin winters and the variety of homes in the Milwaukee area — from classic Shorewood houses with tighter spaces to spacious suburban builds in Brookfield. Every install is done with local knowledge and long-term reliability in mind.
Capital meticulously installs all major furnace brands, and:
- Custom-builds your ductwork
- Spends extra time fine-tuning and customizing your new furnace to maximum efficiency
- Thoroughly tests your new system to make sure it has been installed perfectly
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.
