A&J Air Conditioning & Heating LLC
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Claim This BusinessAbout A&J Air Conditioning & Heating LLC
A&J Air Conditioning & Heating LLC operates as a licensed HVAC contractor serving the Las Vegas Valley, including Summerlin, Henderson, and Downtown Las Vegas. With 48 verified client reviews averaging 4.9 stars, the company has built a reputation for technical precision and responsive service across both residential and light commercial projects. Their service fleet operates seven days a week from 6 AM to 8 PM, allowing scheduling flexibility for occupied homeowners and business operators alike.
What distinguishes A&J from competing contractors in the Mojave market is their focus on indoor air quality solutions alongside traditional heating and cooling systems. The company offers air purification services and maintains ongoing maintenance plans designed to protect equipment investments against desert dust accumulation and temperature extremes. Their residential division handles new installations, repairs, and system upgrades while their commercial team manages multi-unit properties and retail facilities.
Multiple reviewers specifically name Santiago as their technician, with several citing him as the primary reason they recommend A&J. Nathan White describes Santiago as "the best HVAC man in Las Vegas," noting his product knowledge and friendly approach. William Guerin mentions receiving same-day service during a summer peak period, praising Santiago's commitment to reaching every customer despite demand surges. Juan Martinez's February 2026 review highlights fair pricing combined with professional demeanor, suggesting the company maintains consistent service standards across different technicians.
What Customers Say
All eight displayed reviews carry 5-star ratings, with four explicitly naming technician Santiago as a reason for recommendation. Reviewers collectively emphasize responsive communication, detailed explanations of work performed, and fair pricing withoutupselling. William Guerin's mention of same-day availability during high-demand periods provides the strongest evidence of emergency capability.
Working Hours
| Sunday | 6 AM–8 PM |
| Monday | 6 AM–8 PM |
| Tuesday | 6 AM–8 PM |
| Wednesday | 6 AM–8 PM |
| ThursdayToday | 6 AM–8 PM |
| Friday | 6 AM–8 PM |
| Saturday | 6 AM–8 PM |
Services
Air Conditioning Installation & Replacement
New system design, equipment selection, professional installation, and old unit removal for residential and light commercial applications.
AC Repair & Diagnostics
Comprehensive repair services for all major brands, including compressor issues, refrigerant leaks, and electrical system failures.
Heating System Services
Furnace repair, replacement, and installation ensuring operational readiness for winter temperature drops common to the Mojave Desert.
Heating Repair & Maintenance
Tune-ups, part replacement, and system diagnostics to prevent mid-winter failures in heating equipment.
Air Purification & Indoor Air Quality
Assessment and installation of purification systems targeting desert dust, allergens, and indoor contaminants.
Commercial HVAC Services
HVAC solutions for businesses, retail locations, and property management companies with multi-unit requirements.
Preventive Maintenance Plans
Scheduled service agreements protecting equipment longevity, improving efficiency, and reducing unexpected repair costs.