★★★★★  4.9 · 1,000+ Five-Star Reviews

Expert AC & Heating Services Aliso Viejo, CA

Heating and air conditioning care for Aliso Viejo homes, a city built almost entirely in the 1990s and now replacing its first generation of equipment. Courteous service from the family-owned, NATE-certified team Orange County has trusted since 1989.

Schedule Service(714) 465-5828

4.9★ on Google · 1,000+ Five-Star Reviews · Since 1989 · CSLB #754456 · Financing Available

Your Local HVAC Team

Aliso Viejo Is Replacing Its First Systems, and We Are Busy

Aliso Viejo is one of the youngest cities in the county and one of the most uniform: nearly every home went up between 1990 and 2005 as part of a single master plan, in HOA neighborhoods of two-story tract homes, townhomes, and condos. That means the original builder-grade furnaces and condensers are all reaching the end of their lives at about the same time. A 25-year-old system on R-22 refrigerant is the most common thing we see here, and the right move is usually a well-planned replacement rather than another repair.

Klondike Air is local, family-owned and operated since 1989, with 1,000+ five-star reviews from Orange County homeowners. Fully stocked service vehicles reach Aliso Viejo daily from our Irvine office, with written, upfront pricing you approve before any work begins.

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SERVING ALISO VIEJO DAILY

Irvine Office

4000 Barranca Pkwy, Ste 250, Irvine. Our Irvine office dispatches to Aliso Viejo every day, down the 73 or the 5 to Aliso Creek Road.
PHONE: (714) 465-5828

Where We Work

Serving Every Corner of Aliso Viejo

From the Town Center to the Wood Canyon edge, our technicians are in these neighborhoods every week:

Aliso Viejo Town CenterGlenwoodVantisPacific ParkWood CanyonAliso Creek corridorLaguna AudubonCanyon View
HVAC Services in Aliso Viejo

Everything Your Home’s Comfort System Needs

AC Repair →

Air conditioning repair across Aliso Viejo, diagnosed fast, priced upfront, fixed right the first time.

Heating & Furnace Repair →

Furnace and heat-pump repair for the chilly canyon mornings that settle in each winter.

AC & Heating Installation →

Right-sized, quiet replacement systems that meet HOA requirements. Free in-home estimates, financing available.

HVAC Maintenance →

Seasonal tune-ups that extend the life of aging builder-grade equipment. Gold Club members save 10% on repairs.

Air Ducts & Indoor Air Quality →

Duct sealing, rebalancing, and indoor air quality upgrades for two-story homes and attached housing.

Canyon-Climate Expertise

Cool Canyon Mornings, Warm Afternoons

Aliso Viejo sits in the hills between Laguna Beach and the Saddleback Valley. Mornings often start under a marine layer that burns off to warm, dry afternoons, and the 1990s equipment here has seen 25 summers of that cycle. We treat that as part of the job:

End-of-Life Planning

Most original systems here are on R-22 and past 20 years. We tell you honestly where yours stands so a replacement is planned, not forced by a July failure.

Two-Story Balance

Hot upstairs, cool downstairs is the defining complaint in this city. Zoning and variable-speed systems fix it for good.

HOA-Ready Replacements

Placement, sound, and visibility rules vary by association. We prepare submittals and pick equipment that passes.

Outdoor AC condenser at an inland Orange County home

Protect your system year-round with the Gold Club Maintenance Plan →

Neighborhood Know-How

One Master Plan, Several Kinds of Homes

Aliso Viejo was planned as a single community, but the homes inside it are not all alike. Detached two-stories, townhomes with shared walls, stacked condos, and a few newer infill projects each call for a different approach, and we have worked all of them since the city incorporated.

Detached two-story tract homes. The bulk of the city: 1990s stucco two-stories with a single system, one thermostat downstairs, and an attic air handler. Upstairs bedrooms that run several degrees warmer than the living room are the standard call. The fix is zoning or a variable-speed system sized to the actual load, and because the original equipment is at end of life anyway, the replacement is the moment to solve it.

Townhomes in Glenwood, Pacific Park, and around the Town Center. Shared walls, small side yards, and condensers placed wherever the builder could fit them. HOA rules govern replacement placement and sound, and compact, quiet equipment is the answer. We coordinate with the association and handle the paperwork.

Stacked condos and carriage units. Rooftop or balcony condensers, tight mechanical closets, and access that has to be arranged in advance. We choose equipment that fits the space the building actually provides and plan crane or lift needs before the day of the job.

Vantis and newer infill. The newest homes in the city carry modern equipment and warranties that depend on documented annual maintenance. We set those systems up correctly from the first tune-up and keep the records.

R-22 everywhere. Most original Aliso Viejo systems run on R-22, which is no longer produced and has become expensive to source. A leak on one of these systems is often the point where repair stops making sense. We explain the math plainly, with real numbers for both options, and let you decide.

Real Reviews

What Your Neighbors Are Saying

★★★★★

“Complete, comprehensive diagnostic review of our HVAC system. Richard is very personable and skilled. He was patient while answering all of our questions. We are thoroughly satisfied.”

Gene Boone · Verified Customer · Posted on Google

Aliso Viejo HVAC FAQs

HVAC Questions, Answered

Most residential AC repairs in this market run $150 to $650, with common service calls averaging around $350. A diagnostic fee typically runs $75 to $150 and is often applied to the repair. A failed capacitor sits at the low end; compressor work is the priciest at $900 to $2,900 or more. Every Klondike Air visit starts with a written, upfront quote you approve before work begins. Call (714) 465-5828 for your exact price.

If it still runs, you are not obligated to, but plan for it. Systems from that era are on R-22 refrigerant, which is scarce and expensive, and most are past the 15-year mark where repairs stop paying off. We will give you an honest read on where yours stands and a written quote for replacement so you can choose the timing.

A useful benchmark is the $5,000 rule: multiply the repair cost by your system’s age in years. If the result tops $5,000, replacement usually wins. We price both options with real numbers and an honest recommendation.

Central AC units typically last 12 to 15 years, and full HVAC systems 10 to 25 depending on the equipment. Aliso Viejo’s mild coastal-hill climate is easier on equipment than inland cities, which is why so many original systems here lasted this long. Maintenance decides how much longer.

Nearly every two-story here was built with one system and one thermostat downstairs. Heat rises and afternoon sun hits the upstairs walls. Zoning, a variable-speed system, or a dedicated upstairs unit solves it, and a replacement is the ideal time to do it.

Almost always. Associations here have rules on equipment placement, visibility, and sound. We prepare the submittal with specifications and sound ratings and choose equipment that satisfies the HOA without giving up capacity.

Yes. Rooftop, balcony, and side-yard equipment on attached housing is a regular part of our work in Aliso Viejo. We coordinate access with the association and choose compact replacements that fit.

Often, yes. The mild climate suits heat pumps well, and they provide heating and cooling from one system with strong efficiency. We will compare a heat pump against a gas furnace and AC pairing for your home and show the operating-cost difference.

All major brands: Carrier, Trane, Lennox, Rheem, Bryant, Goodman, Daikin, American Standard, and more. NATE-certified, factory-trained technicians on every visit.

Yes, across the city. Our Irvine office dispatches to Aliso Viejo daily. Call (714) 465-5828 and we will book the earliest available appointment.

Ready for Total Home Comfort?

Call for service in Aliso Viejo · Free estimates on replacements

Schedule ServiceCall (714) 465-5828