"Thank you Aaron Hart! I waited 5 years to call an HVAC because I was afraid of the cost. I checked on Next Door for reliable HVAC companies and the comments were accurate and so was Yelp! These guys are fair and honest. Appreciate you so much!"
Las Vegas, Nevada
Vegas Knight & Day Heating and Cooling is a family-owned HVAC company serving Las Vegas, NV. For 35+ years, we've provided residential and commercial heating and cooling repairs, installations, replacements, and maintenance. Licensed, Bonded & Insured. Call 702-268-8020.
From emergency repairs to full system installations, our licensed technicians handle every heating and cooling need — residential and commercial.
For Home & Business
Fast, accurate diagnosis and repair of all HVAC systems. Residential and commercial. When your AC fails in the Las Vegas heat, we respond quickly with transparent pricing and no hidden fees.
For Home & Business
New system installations for residential and commercial properties. We carry nationally recognized products and match you with the right unit for your space, climate needs, and budget. Free quotes available.
Full System Swap
When your old system is beyond repair, we handle complete HVAC replacements efficiently and cleanly. We'll recommend the right replacement system and handle everything from removal to startup testing.
Scheduled Service
Regular tune-ups extend system life and prevent costly breakdowns. Our $50 maintenance special covers up to 2 systems. Nevada's extreme heat demands twice-yearly service — before summer and before winter.
We believe everyone deserves quality HVAC service at fair prices. These offers are always available — no fine print.
Comprehensive HVAC tune-up covering up to 2 systems. Regular maintenance is the single best way to extend system life and avoid emergency breakdowns in Las Vegas's extreme heat. Includes inspection, filter check, and system optimization.
We automatically apply discounts for military personnel, veterans, first responders, teachers, and seniors. No paperwork. No hassle. Just mention your status when you call — it's our way of saying thank you for your service.
Considering a new HVAC system? We provide free, no-obligation quotes on all new unit installations. Get an honest assessment of your options and clear pricing before you commit to anything. Call 702-268-8020 to schedule.
Vegas Knight & Day Heating and Cooling has been a trusted name in Las Vegas HVAC for over 35 years. We're a locally owned, family-operated business — and that means something. When you call us, you're not getting a call center. You're getting a team that treats every home and business like their own.
We've earned an A+ rating with the Better Business Bureau and a 5.0-star rating across 589 Google reviews not through advertising, but through showing up on time, being honest about costs, and doing the job right the first time. That's the Vegas Knight & Day standard.
We install nationally recognized products chosen for performance in Nevada's desert climate — and we back every job with the integrity a 35-year reputation demands.
"Thank you Aaron Hart! I waited 5 years to call an HVAC because I was afraid of the cost. I checked on Next Door for reliable HVAC companies and the comments were accurate and so was Yelp! These guys are fair and honest. Appreciate you so much!"
"These guys are the best. They show up when they say they're going to be there. They are competitive but reasonable and aren't there to take advantage of you in any way. Honesty is extremely important when looking for specialty services in Las Vegas and these guys are top notch."
"Family owned business, who's very reliable and gave the best customer service! They replaced my coil system, and even cleaned up after the service. Best rates in town. Not to mention they also followed up after the installation! I highly recommend this trustworthy company."
Call now for a free quote. No pressure, no hidden fees — just 35 years of trusted Las Vegas HVAC service.
702-268-8020