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Claim This BusinessDevix Heating and Cooling has anchored its operations in West Allis since establishing the business, building a reputation across Milwaukee County and surrounding communities. The company maintains round-the-clock availability, ensuring residents of West Allis, Greenfield, New Berlin, and Waukesha can access heating and cooling support regardless of the hour. Across 198 verified customer reviews, the business has accumulated a near-perfect 4.9-star rating, reflecting consistency that many contractors struggle to achieve. This volume of feedback signals a mature operation with documented service history rather than a newly launched venture.
What separates Devix from neighboring contractors is an explicit commitment to repair over replacement when viable. Multiple reviewers note the technician diagnosed their furnace or AC issue and fixed the existing equipment rather than recommending an expensive new installation. Jacob Roland specifically describes an instance where another company would have pushed for replacement, yet Devix resolved the problem affordably. The company also demonstrates readiness for emergency scenarios, with one reviewer documenting same-day arrival on Christmas Eve when heat failed during subzero conditions.
Customer feedback highlights specific technicians who defined positive experiences. Desiree Flores references Deframe as the technician who thoroughly explained the repair process and resolved her AC issue with careful attention. Em Oo's review describes arriving at her home within hours on a holiday, fixing the problem, and walking her through what to expect from an aging boiler system in the future. These interactions reveal a service philosophy centered on education and transparency rather than completing work and leaving.
All 8 reviewers award 5 stars, with 3 specifically mentioning same-day or holiday emergency response. Four reviewers explicitly praise honest repair recommendations where other companies would have suggested replacement, and 2 reference Deframe by name as the technician delivering their service.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnoses and repairs furnace malfunctions, with emphasis on fixing existing equipment rather than automatically recommending replacement.
AC diagnostic and repair services addressing cooling failures, with same-day availability during peak demand periods.
New heating system installation for residential properties, supporting both standard and high-efficiency configurations.
AC and cooling system installation services for homes, including load calculation and equipment selection.
24-hour emergency response for heating and cooling failures, with documented rapid arrival during holidays.