5 AC Repair Contractors in Grafton, WI
Top-Rated AC Repair Contractors in Grafton
K Komfort Heating & Cooling
“475 reviews yield a 4.9-star average, with every published reviewer awarding 5 stars. Customers frequently mention specific technicians (Brandon, Ryu, Gurman,…”
Advent Appliance Repair Service
“Positive reviews cite diagnostic skill and same-day scheduling; the single negative review cites communication delays and a perceived lack of transparency…”
All AC Repair Contractors (5 total)
Mike the Plumber
“Two of five reviewers awarded 5 stars, praising precision and honesty. The three lower-rated reviews cite the…”
AC Repair Costs in Grafton
Typical repair costs for Grafton homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call Usually credited toward repair | $83 | $132 | $220 |
Refrigerant recharge (R-410A) | $165 | $385 | $770 |
Capacitor replacement | $132 | $275 | $495 |
Fan motor replacement | $275 | $495 | $770 |
Compressor replacement | $880 | $1,980 | $3,080 |
Evaporator coil repair | $440 | $990 | $1,650 |
Labor (hourly rate) Per hour during business hours | $83 | $121 | $165 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Repair in Grafton, WI: What to Expect
Grafton sits along Lake Michigan's shore where Milwaukee's continental climate shapes home comfort needs. Winters drop to around 14 F while summers peak near 83 F, creating a compressed cooling season of roughly eight to ten weeks each year. Even with that short window, five contractors serve the area with an average rating of 4.2 across 664 reviews, and homeowners searching for AC Repair in Grafton can find qualified help when systems struggle during those muggy July and August stretches.
Pricing across common service calls reflects the range of work involved. A diagnostic or service call runs $83 to $220, while refrigerant recharge for R-410A systems costs $165 to $770, and capacitor replacement runs $132 to $495. Wisconsin does not require a statewide HVAC license, so local licensing determines contractor qualifications in each municipality. These figures represent typical charges for the Grafton metro area, though final invoices depend on specific system conditions and parts availability.
Review patterns reveal what separates the options. K Komfort Heating & Cooling draws repeated praise for same-day emergency response and transparent diagnostics, with technicians Ryu, Eugene, Dima, and Josh mentioned by name across five-star reviews. Advent Appliance Repair Service earns credit for diagnostic skill and scheduling flexibility, though one client noted communication delays. Holton Brothers Inc. sees technicians Thomas, Chad, Peter, and Matt acknowledged in positive feedback, with the bulk of reviewers awarding top marks.