Sierra LLC provides quality air conditioning, heating and indoor air quality service, repair, maintenance and installations to the Las Vegas Valley, as well as plumbing services including a 65-point inspection. Our trained technicians have decades of combined knowledge and experience, making us the number one choice for Las Vegas, Nevada and surrounding metropolitan area for Superior Comfort and Service - Guaranteed! We are value-driven to provide the highest levels of integrity, dependability and service backed up by our written guarantees.