8 AC Installation Contractors in Oak Creek, WI
Top-Rated AC Installation Contractors in Oak Creek
Stramowski Heating Inc
“689 reviews yield a 4.7-star average, with 3 of 3 detailed reviews awarding 5 stars praising named technicians James and Gio; 1 negative review from a…”
Thielmann Heating, Cooling & Plumbing
“365 reviews yield a 4.9-star average, with multiple customers specifically praising named technicians Chris Pohl, Ron, Hayden, and Dave for same-day emergency…”
All AC Installation Contractors (8 total)
RH Heating & A/C LLC
“All 54 reviewers awarded 5 stars, with technicians Fred, Mike, Brandon, and Josh frequently named for…”
A-1 Services, Inc
“Positive reviews (3 of 4) emphasize the owner's HVAC knowledge, efficient same-day service for commercial…”
Johnstone Supply
“Four of six reviewers award 5 stars, with positive feedback focusing on staff helpfulness and service…”
Diversified Heating and Cooling
“All six reviews award five stars, with four reviewers naming John or the crew by name and describing direct…”
AC Installation Costs in Oak Creek
New central AC installation costs in Oak Creek, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $168 | $392 | $784 |
Ductless mini-split (single zone) | $2,240 | $5,040 | $8,960 |
Central AC replacement (existing ducts) | $3,920 | $7,280 | $13,440 |
Central AC new install (with ductwork) | $7,840 | $13,440 | $22,400 |
Carrier (residential) | $4,256 | $6,944 | $11,760 |
Trane (residential) | $5,600 | $9,856 | $15,232 |
Lennox (residential) | $3,920 | $7,280 | $13,440 |
Rheem (residential) | $3,584 | $6,160 | $10,080 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in Oak Creek, WI: What to Expect
Oak Creek sits within Milwaukee's Great Lakes continental climate, where winters average 14 F lows and summers peak near 83 F. While heating dominates from November through March, the brief eight to ten week cooling season still drives significant demand for AC Installation in Oak Creek. Eight licensed contractors serve the area with an average rating of 4.5 stars across nearly 1,300 reviews, and half of them offer around-the-clock availability for emergencies.
Window units start around $168 and climb to $784, while ductless mini-split systems for single zones run $2,240 to $8,960. Central AC replacement using existing ductwork ranges from $3,920 to $13,440, with final costs depending on home size, equipment selection, and labor. Wisconsin does not require a statewide HVAC license, so contractors operate under local licensing regulations that vary by municipality.
Customer feedback points to response time as a defining factor. Thielmann Heating, Cooling & Plumbing earns a 4.9-star average with reviewers citing technicians like Chris Pohl and Dave for same-day emergency service and meticulous cleanup. Oak Creek Heating & Cooling draws praise for Sunday and after-hours availability, with many customers noting same-day or next-day arrivals. These patterns reflect what homeowners prioritize when selecting an installer in the region.