Same-day local service. We repair & install all heating & cooling systems.
Capital Heating, Cooling, Electric, and Plumbing offers same-day AC and heating repairs and thorough installations with a team of local technicians that’s served Hartford neighborhoods for nearly two decades.
Call 262-220-7020 now for immediate repairs or book online.
Why Hartford Homeowners Choose Capital
- Serving Hartford homeowners since 2007
- 24/7 availability: nights, weekends, & holidays
- Same-day repairs and installations
- Backed by a large team of technicians so help is always ready
- Accredited by the Better Business Bureau for trust and accountability.
- Winner of the Angie’s List Super Service Award and named Best of HomeAdvisor.
Hartford Air Conditioning Services
Hartford has a lot of older bungalows and mid-century ranches and these homes were never built with central air in mind. That often means undersized ductwork, retrofitted mini-splits, or window units straining to keep up. Our technicians see it constantly: second floors that never cool down, ductwork leaking conditioned air, systems short-cycling because they’re fighting a house that wasn’t designed for modern cooling. Whether you need a repair, a replacement, or a cooling setup that actually fits your home, we’ll get it right.
- AC Repair
- AC Installation / Replacement
- AC Maintenance & Tune-Up
- Ductless Mini-Split Services
- Heat Pump Cooling Repairs
Hartford Heating Services
No matter what’s keeping your home warm, here’s how we can help:
- Furnace Repair
- Furnace Installation
- Boiler Repair & Installation
- Heating Maintenance & Tune-Up
- Heat Pump Heating Repairs
Furnaces heat most Hartford homes, typically on natural gas — homes off the utility grid usually run on propane instead. Age is usually what brings people to call us: units past their 15 year lifespan, cycling constantly but still leaving rooms cold. A smaller share of homes, mostly the oldest ones near downtown, still run on boiler systems with cast-iron radiators or baseboards — some going strong for decades with the right maintenance, others swapped for a modern high-efficiency boiler rather than retrofitting for ductwork. We’re also seeing more homeowners pair a heat pump with their furnace for a hybrid setup that cuts energy costs without sacrificing heat on the coldest days. Whatever’s keeping your home warm, our technicians know the difference between a repair and a system that’s simply worn out — and we’ll tell you straight which one you’re dealing with.
Systems We Service
Furnaces & Boilers • Central Air Conditioners • Ductless Mini-Splits • Heat Pumps
No matter the brand or age of your equipment, our technicians have the training and parts on hand to keep it running efficiently.
Repairs, Installations & Maintenance
Whatever stage your system is in, we’ve got it covered. Need help now? We offer 24/7 emergency service and same-day repairs to get your system back up and running fast. Looking to upgrade? We professionally install efficient new systems sized right for your home. And with regular maintenance, we catch small issues before they turn into costly breakdowns — keeping your system running smoothly and your energy bills in check.
Ready to schedule an appointment? Call 262-220-7020 now or –
Servicing All of Hartford, Wisconsin
No matter where you are in Hartford, Capital Heating, Cooling, Electric, and Plumbing is close by. We serve homeowners throughout the city, from the historic homes near downtown and the Wisconsin Automotive Museum to the neighborhoods along Main Street and out toward Hartford’s west side industrial parks — so you’re never far from a technician who knows the 53027 zip code and can get to you fast.
Check out our customer reviews to see why homes in Hartford, WI choose us. Call 262-220-7020 if you need to schedule services.
Indoor Air Quality
Want to breathe cleaner, healthier air at home? We can help there too!
- UV Light Air Purifiers
- Air Duct Cleaning
Generator Services
Have peace of mind that your home will have reliable energy during a power outage.
- Whole House Generators
- Generator Repair
- Generator Maintenance
FAQs
Do you offer 24/7 emergency service?
Yes. Whether a furnace quits during a January cold snap or an AC gives out mid-summer, someone from our team is ready to head your way, day or night, weekends and holidays included.
How fast can you get to my home?
Fast — our technicians know Hartford well and can typically get out to you and finish the repair the same day you call.
What systems do you service?
Doesn’t matter what you’ve got or how old it is — furnace, boiler, central air, ductless mini-split, heat pump, our technicians have worked on it. We also handle whole-home generators and indoor air quality equipment.
Why is warm air blowing out of my vents instead of cool air?
Usually a refrigerant leak, a failing compressor, or a dirty condenser coil struggling to release heat. It can also mean your thermostat is miscalibrated. We diagnose the exact cause and get cool air moving again, often the same day.
Why is my furnace blowing cold air?
Often a clogged filter, a pilot light or ignition issue, or a thermostat set to “fan” instead of “auto.” It can also signal a bigger mechanical problem — we’ll pinpoint the issue and fix it fast.
Why isn’t my AC cooling my house?
Low refrigerant, a frozen evaporator coil, or a failing compressor are the most common culprits. Sometimes it’s just a dirty air filter restricting airflow. We troubleshoot the full system to find the real cause, not just a quick patch.
How long has Capital been in business?
Since 2007. We’re BBB-accredited and have picked up a few awards along the way, including the Pulse of the City Award for customer satisfaction and Best AC & Furnace Repair in Milwaukee.
How often should I schedule maintenance?
Twice a year is the sweet spot — a furnace check in the fall before it really gets cold, and an AC check in the spring before summer hits. Catching a small issue early saves homeowners from a bigger headache (and a bigger bill) down the road.
Do you provide free estimates?
Yes — no charge, no pressure. If you’re considering a new system or replacement, our technicians will take a look and walk you through the real costs before anything gets decided.
