Emergency HVAC Services in Greater Madison
Need emergency HVAC help now? Our 24/7 team restores heat or cooling fast with honest advice and clear options. We are a family-owned company serving Greater Madison, including Madison, Sun Prairie, and Middleton. Backed by a 4.9 rating from 1,887 reviews and trusted manufacturer partnerships, we fix it right the first time. Call or book online for priority service today.
Why Choose Us
Carrier Distinguished Dealer
Recognized dealer status for proven expertise and service.
Nest Elite Pro Technicians
Trained to install and support Nest smart thermostats.
Focus on Energy Partner
Helps you access rebates and energy savings.
Since 1949, Local Team
Family-owned with deep roots in the Madison area.
24/7 Priority Response
Goldstar program members receive priority emergency service.
What Our Customers Say
speed
“He came out the same day I called and had our AC working within an hour.”
speed
“They sent someone right away the same day and repaired it immediately on a 90F day.”
value
“Same-day visit with reasonable pricing and helpful discounts.”
An AC emergency is when you’ve lost cooling, the system won’t run, or there’s a safety concern that can’t wait. If your air conditioner or heat pump stops cooling in Madison or Sun Prairie, call for 24/7 help. Harker Heating & Cooling provides emergency diagnostics and repairs for cooling systems, including heat pumps. Service Available 24/7.
Quick checks:
- Check Thermostat.
- Check Air Filter.
Updated: 2025-12-09
Need help in Dane, WI? Call (608) 255-6902 or book online.
Emergency HVAC visit costs vary by your system, the issue, and whether service is after-hours. A technician will diagnose first and confirm pricing on site before any repair. We provide 24/7 service for furnaces, air conditioners, heat pumps, boilers, and garage heaters. Follow-up work includes complimentary service estimates. Goldstar Program members receive 24/7 priority service, $20 off the diagnostic charge, and 10% off parts and labor. Service is available in Madison, Sun Prairie, and nearby areas.
Updated: 2025-12-18
Need help in Madison, WI? Call (608) 255-6902 or book online.
"Lee was very timely and had our heat up and running in no time." — Mike K.
Still have questions?
Have questions or need service? Contact our team today to discuss your needs, request a quote, or schedule an appointment.
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