About us
Your Local Las Vegas HVAC Experts & “Man’s Most Reliable”
Dependable Heating, Cooling & Clean Air Solutions
At Cosmo’s Heating and Air Conditioning, you’re getting more than heating and cooling — you’re getting Man’s Most Reliable.
Experience honest service, transparent pricing, and year-round protection through our Cosmo’s Comfort Club — because when comfort matters, Vegas Valley’s Most Reliable is always here to help.
Trusted HVAC Service and Installation by Man’s Most Reliable
Fast Response &
Emergency Services
When your comfort’s on the line, we don’t keep you waiting. Our team is on call and ready to get your system back up — fast.
Certified Multi- Service Technicians
From repairs to installing our certified partner. You’ll get honest work and reliable results, every time.
Affordable Maintenance Plan
Save more with a plan built for real homes, not fine print. We’ll keep your system running strong so you can focus on what matters.
Locally Owned & Operated
Born and built in Vegas — we’re your neighbors, not a corporate call center. At Cosmo’s, we treat your home like our own.
Looking for a Trusted Home Service Expert?
We’re here to help.
With guaranteed performance designed for maximum efficiency, cleaner air, and lasting comfort that saves you more over time.
Our Services Include
Repair Services
When the Vegas heat hits, homeowners trust Cosmo’s for professional installation, repair, and replacement — done right the first time. We provide honest recommendations, transparent pricing, and energy-efficient systems built to handle the desert climate. Dependable comfort backed Cosmos.
Installation Services
At Cosmo’s Heating and Air Conditioning, we provide fast, honest, and dependable heating repair for all furnace and heat-pump systems. From gas furnaces to electric heaters, every job is handled with precision, care, and your comfort as our top priority.
Maintenance Services
At Cosmo’s, we believe true comfort isn’t just about staying cool today — it’s about peace of mind all year long. That’s why we created the Cosmo’s Comfort Club, our exclusive HVAC maintenance membership. Members get priority scheduling, exclusive discounts, and tune-ups that keep your system running like new — all backed by the Cosmo’s Comfort Guarantee.