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Claim This BusinessAbout MarioHvac LLC
MarioHvac LLC is a single-technician HVAC contractor operating in Rancho Cucamonga, California. With a perfect 5.0-star rating from 63 customer reviews, homeowners consistently praise the technician for professional, knowledgeable service and clear communication throughout each project. Reviewers span a wide range of needs, from minor thermostat emergencies to full system replacements, and several specifically mention how Mario explains every step and offers practical recommendations for system longevity. Whether a homeowner needs a same-day capacitor repair or guidance on a new installation, the reviews suggest Mario tailors his approach to each situation rather than applying a one-size-fits-all checklist.
The reviews point to several practical advantages. Several homeowners received same-day service, including a morning thermostat call that resulted in a same-afternoon installation, and Mario handled each arrival with professional presentation, clean work practices, and detailed explanations. Reviewers also describe Mario as honest, noting he answers every question without pressure and helps customers feel confident in their choices. This combination of accessibility, transparency, and technical skill shows up repeatedly across reviews from homeowners with very different HVAC needs.
Mark Bravo discovered his AC had failed during a heat wave and Mario diagnosed a bad capacitor, completing the repair on the spot without a prolonged diagnostic process. Liliann Sumaran called about a thermostat failure in the morning and Mario arrived the same day to install the replacement, providing peace of mind by evening. Manny hired Mario for a full HVAC system replacement and received step-by-step updates throughout the process, with the work finishing on time and without surprises. Jonathan Trenkle asked numerous questions about mini split options and appreciated that Mario walked him through every choice before the installation began. Each reviewer describes a smooth, stress-free experience built on clear communication and dependable execution.
What Customers Say
All 63 reviews award 5 stars, with every reviewer specifically naming Mario and describing him as professional, knowledgeable, and thorough. Customers consistently praise clear communication, same-day responsiveness, and honest guidance, while several reviewers highlight clean work practices and detailed explanations as distinguishing qualities.
Services
AC Repair
Diagnoses and repairs cooling failures including capacitors and other components with same-day service available.
Mini Split Installation
Installs ductless mini split systems, explaining all options and helping homeowners choose the right configuration.
Thermostat Replacement
Replaces failed thermostats with new units, often completing installations the same day as the initial service call.
Full HVAC System Replacement
Manages complete HVAC system replacement from evaluation through installation with clear step-by-step updates.
Same-Day Service
Responds to urgent calls quickly, with reviews confirming same-day arrival for morning emergency requests.
HVAC Maintenance
Provides tune-ups and system recommendations to help homeowners plan long-term equipment upkeep.