Orange County’s Leading Heating & Cooling Services for More Than 37 Years

Child running in through front of home

Lennox Fall Promotion

Receive up to $1,800 in rebates* when you purchase the Lennox® Ultimate Comfort System

Receive a FREE Wi-Fi thermostat with a system purchase!

Call Aliso Air for details.

Lennox Ultimate Comfort System

Upgrade Your HVAC System with Heating and Cooling Installation

Upgrading your HVAC system is an exciting investment, with lots of potential for new benefits. Modern makes and models are packed with features that make home comfort simpler and more affordable. But to get the most from new systems, you need to pair quality equipment with experienced technicians. Aliso Air will be happy to handle your heating and cooling installation project with the same high degree of professionalism you’ve come to rely on.

We take a personalized approach to new or retrofit installation jobs. The more closely we can match your comfort preferences with the right HVAC system, the better we can ensure maximum benefit from new heating and cooling.

Resolve Problems Fast with Heating and Cooling Repair

Is your HVAC system experiencing problems? From minor issues to severe damage, Aliso Air can provide expert heating and cooling repair. We use state-of-the-art diagnostics tools to track your problem to its source, ensuring lasting repairs. Our technicians even offer 24/7 emergency repair service! We understand that HVAC problems won’t wait until it’s more convenient to start repairs.

Aliso Air strives to complete as many repairs as possible in a single visit. That way we don’t disrupt your day to day by dragging out support. Together we’ll identify the most cost-effective solution that satisfies your top priorities.

HVAC technician servicing a furnace
AC Maintenance

Ensure Peak Performance with Heating and Cooling Maintenance

For truly long-lasting comfort, it’s important to keep your HVAC system in the best possible shape. Aliso Air can do just that with our comprehensive heating and cooling maintenance. We specialize in seasonal tune-ups designed to identify and address potential concerns. This process includes keeping all key components clean and well-fastened.

Tune-ups include a thorough inspection as well as a full cleaning and adjustment of major parts. We can encourage higher performance and energy efficiency while minimizing the risk of damage or component failure. As you’ll soon discover, even just one annual maintenance visit can lower your energy bills and may even extend the life span of your equipment!

About Us

Aliso Air is the air conditioning company that has been trusted by Orange County residents for more than 37 years because of our attention to details and the quality of our work. Our AC technicians are trained in the current best practices to ensure your AC repair, tune up, replacement, heater repair, and other services are performed efficiently and correctly. We service all of your air conditioning and heating needs for Orange County, including Mission Viejo, Irvine, Newport Beach and all points in between, as well as Riverside County and San Bernardino County. Contact us today!

Aliso Air Building

* Rebate requires purchase of qualifying items between September 8, 2025 and December 5, 2025 from a participating Lennox® dealer. Contact your local participating Lennox® dealer for promotion details. Qualifying items must be installed by December 12, 2025. This offer applies to residential installations only. Rebate claims must be submitted (with proof of purchase) to www.lennoxconsumerrebates.com no later than December 26, 2025 11:59:59 p.m. ET. Rebate is paid in the form of a Lennox Prepaid Mastercard®. Use your card anywhere Mastercard is accepted. This card is issued by The Bancorp Bank, N.A., pursuant to license by Mastercard International. Mastercard and the circles design are registered trademarks of Mastercard International Incorporated. The Bancorp Bank, N.A.; Member FDIC. This is not a gift card. This card is issued for loyalty, award or promotional purposes. Please note that prepaid cards are subject to expiration, so pay close attention to the expiration date of the card. Conditions apply. See www.lennox.com/terms-and-conditions for complete terms and conditions.