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Claim This BusinessKoldair Heating & Air Conditioning Inc has served the Las Vegas Valley since 2000, making it one of the longer-established family-run HVAC operations in the region. The company maintains Nevada contractor license NV#50531MHD and operates Monday through Friday from 7 AM to 4 PM. Based at 6295 Mcleod Dr. #9 in Las Vegas, the contractor serves residential and commercial clients across the greater metro area including Summerlin, Henderson, Boulder City, North Las Vegas, and Mesquite. With 25 customer reviews averaged online, the company carries a 3.5-star rating, providing prospective clients with a baseline reference point reflecting mixed but documented service experiences.
What distinguishes Koldair from many valley competitors is a concrete policy promise: they never charge an overtime fee, which matters significantly during desert summer emergencies when after-hours calls carry premium price tags elsewhere. The company operates the Komfort Klub maintenance program, offering twice-yearly system checkups designed to catch problems before they become expensive repairs , a particularly practical approach given the extreme temperature swings Las Vegas residents endure. Their SEER calculator tool lets homeowners evaluate potential energy savings before committing to equipment upgrades, supporting informed purchasing decisions rather than high-pressure sales tactics.
Customer feedback documents specific service scenarios worth knowing about. Technician Fidel earned recognition for diagnosing a poorly performing AC unit and explaining that the system was venting roughly one-third of its cooled air externally due to damage , fixing the issue in a single morning visit after a roofer flagged the problem. Another reviewer describes Koldair arriving same-day on a Sunday during peak summer heat to address a failing AC at a family member's home. However, multiple negative reviews caution that some customers experienced prolonged repair attempts, warranty disputes, and communications where the company attributed higher utility bills directly to the homeowner's thermostat settings rather than investigating equipment performance.
Of 25 documented reviews, five-star ratings emphasize the Komfort Klub maintenance program and same-day emergency response during summer heat waves. Lower-rated feedback cites extended repair timelines and instances where customers felt accountability for equipment performance issues was deflected rather than investigated. The contrast between responsive technicians like Fidel and situations described as four-plus attempts over a week suggests variability in dispatch coordination.
| Sunday | Closed |
| Monday | 7 AM–4 PM |
| Tuesday | 7 AM–4 PM |
| Wednesday | 7 AM–4 PM |
| ThursdayToday | 7 AM–4 PM |
| Friday | 7 AM–4 PM |
| Saturday | Closed |
Full AC services including new installations, diagnostic repairs, tune-ups, and replacement for residential and commercial properties throughout the Las Vegas Valley.
Furnace repair, heater installation, maintenance, replacement, and tune-up services ensuring winter comfort in desert climate conditions.
Heat pump installation, maintenance, repair, replacement, and tune-up services offering combined heating and cooling for moderate-climate applications.
Ductless HVAC options for homes without traditional ductwork, providing targeted zone cooling and heating.
Installation and configuration of smart thermostat devices enabling remote temperature management and energy usage monitoring.
Twice-yearly preventive maintenance plan covering comprehensive system inspections and seasonal readiness checks.