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Before
After
Before
After
Before
AfterAC Installation in Pasadena, CA
AC installation in Pasadena typically costs between $5,200 and $9,800 for a complete system replacement in a standard single-family home, with the final price set by home size, ductwork condition, and the efficiency level you choose. Most installations take one full day from start to finish, and at Dalton Heating & Air Pasadena, you get the exact price in writing before any equipment is ordered. We’re a Garrison Partners company, held to The Garrison Standard since 2003, which means written pricing, on-time arrival, and a full-year written guarantee are not add-ons here. They’re how every job runs.
If your current system is failing or you’re building new, this page covers what a proper installation involves, what it costs, and why the crew that shows up matters as much as the equipment that goes in. For repair work or system diagnostics, see our AC Repair & Installation in Pasadena overview page. To talk specifics about your house, call us at (626) 657-5344. A live person answers, day or night.
Key Takeaways
- Realistic cost: $5,200 – $9,800 for most Pasadena homes; ductwork and efficiency level move the number.
- Timeline: Most installations are done in one day.
- Written price first: You get the number in writing before any work starts. No door-step revisions.
- Full-year guarantee: Written guarantee on the installation, plus a free return visit if anything fails within 365 days.
- Who shows up: Background-checked, uniformed, factory-trained technicians. You know the name before we arrive.
When You Need AC Installation
Pasadena summers are not a suggestion. June through September regularly pushes into the high 80s and 90s, and older homes in neighborhoods like Bungalow Heaven, Madison Heights, and Hastings Ranch often run original or badly retrofitted HVAC systems. Here’s when homeowners call us for installation rather than repair:
- The system is past 15 years old and the compressor is gone. A failed compressor on a 15-year-old R-22 system usually means replacement is the smarter money. Repairing it can run $2,000 or more, and you’re still left with an aging system that leaks refrigerant a repair tech can’t legally refill anymore.
- Repairs are stacking up. If you’ve spent more than $800 on repairs in the last two years and the system is over a decade old, you’re likely putting money into a machine that’s already told you it’s done.
- Rooms never reach set temperature. In two-story Pasadena homes, we commonly see upstairs bedrooms running 8 to 10 degrees hotter than the thermostat setting. That’s usually an undersized or failing system, not a settings problem.
- Your system still uses R-22 refrigerant. R-22 production ended in 2020. Remaining stock gets more expensive every year, and some Pasadena homeowners are paying $150 to $300 per pound just for the refrigerant on an old system that’s leaking it.
- You’re remodeling or adding square footage. A new addition changes the load calculation. Tapping into an existing system that wasn’t sized for the added space leads to short cycling, humidity problems, and a system that dies early.
- Indoor humidity is consistently high. Pasadena’s not as humid as Houston, but in peak summer, a struggling system leaves indoor air sticky and uncomfortable. If the AC runs constantly and still won’t pull moisture, the equipment has lost capacity.
When any of these apply, the question isn’t whether to replace. It’s what to replace it with, what it will cost, and who is doing the work.
Our AC Installation Process
Here’s exactly how an installation runs with us, step by step. No surprises, no “we’ll figure it out on site.” The process is the same discipline we follow on every AC Repair & Installation job.
- Load calculation and home assessment. Before any quote, we measure the home, check ductwork condition, look at insulation levels, and factor in window orientation. Rule-of-thumb sizing (like 500 square feet per ton, no questions asked) is how systems get oversized, short-cycle, and die early. We don’t do that.
- Written proposal with exact pricing. You get a written quote that includes the equipment, the labor, any duct modifications, electrical work, permits if required, and cleanup. That number is the number. Under The Garrison Standard, the price is in writing before any work starts, on every job, without exception.
- Equipment selection and scheduling. We’re factory-trained on Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We’ll recommend what fits your home and budget, not whatever’s sitting in a warehouse. You pick the date. We arrive inside the stated window.
- Installation day. A background-checked, uniformed crew arrives, lays down floor protection, removes the old equipment, installs the new system, and tests it thoroughly. That includes checking refrigerant charge, airflow, and thermostat function against manufacturer spec.
- Walkthrough and documentation. Before we leave, we walk you through the new system, register the warranty, and hand you the written guarantee. The site is left clean. The old equipment goes with us, not into your side yard.
AC Installation Pricing in Pasadena
Here’s the straight version of what AC installation costs in Pasadena, based on what we’ve quoted in this market:
| Project Type | Typical Range | Notes |
|---|---|---|
| Full system replacement (3-ton, 14 SEER2) | $5,200 – $7,000 | Condenser + air handler or furnace coil; standard Pasadena single-story |
| Full system replacement (4-ton, 16 – 17 SEER2) | $7,000 – $9,800 | Larger home or two-story; higher efficiency |
| Heat pump installation | $6,500 – $11,000 | Dual heating/cooling; excellent fit for Pasadena’s mild winters |
| Ductwork replacement (add-on or standalone) | $3,000 – $7,000 | Depends on home size and accessibility; often required on older homes |
| Mini-split system (single zone) | $3,800 – $6,500 | Good for garage conversions, ADUs, or added rooms |
What Moves the Price
- Efficiency level (SEER2 rating). A 14 SEER2 system costs less upfront than a 17 or 18 SEER2 system. Over a 12 – 15 year life, the higher-efficiency unit usually pays back in lower SCE bills, but that’s your call, not ours.
- Ductwork condition. In older Pasadena neighborhoods like Bungalow Heaven or the 1920s-era streets off Orange Grove, ductwork can be 50 – 80 years old, leaky, and incorrectly sized. If we’re installing new equipment on failing ducts, you’re paying for efficiency you’ll never feel. Sometimes ducts need to be part of the scope.
- Access and location. A rooftop-mounted unit in a hilly section of San Rafael or an attic air handler in a tight Pasadena bungalow adds labor time. Cramped crawl spaces and steep rooflines add hours, and hours add cost.
- Permits and code compliance. Pasadena requires permits for HVAC replacements, and the city’s building department enforces specific clearances and noise requirements. We handle permitting as part of the job and factor the fees into your written quote.
Every install starts with a free estimate, and the price we give is the price on the contract. Call (626) 657-5344 and we’ll schedule a load calculation and walkthrough at your convenience. No high-pressure close, no “today only” number.
Why the Crew Matters as Much as the Equipment
A Goodman installed correctly will outperform a Carrier installed poorly. That’s not brand snobbery. It’s physics. The best equipment on the market won’t hit its rated efficiency or lifespan if the install crew rushes the evacuation, skips refrigerant verification, or takes shortcuts on the electrical connections.
Pasadena homeowners have dealt with their share of rushed installs and crews that don’t clean up. That is precisely the failure The Garrison Code exists to prevent: arrive inside the stated window, price in writing before starting, do the job by the book, leave the site clean, and stand behind the work for a full year. Every Dalton Heating & Air Pasadena technician works under that code. Every single job.
And if something isn’t right after we leave? The 365-Day Done Right Promise means we make it right. Not within 30 days. Within a full year. That promise is written, not implied.
FAQs – AC Installation
How much does AC installation cost in Pasadena?
Most complete AC installations in Pasadena run between $5,200 and $9,800 depending on home size, efficiency rating, ductwork condition, and access. Give us a call at (626) 657-5344 for an exact written quote after a home assessment. Estimates are free.
Is it cheaper to repair or replace my air conditioner?
The common rule is: if the AC Replacement costs more than 30% of the replacement price, and the system is over 12 years old, replacement is usually the better financial decision. A $2,200 compressor replacement on a 14-year-old system often makes less sense than putting that money toward new equipment with a new warranty. We’ll give you straight numbers for both options and let you decide.
Can you install my AC the same day?
No one can do a proper installation the same day. A correct install requires a load calculation, equipment ordering, and a scheduled installation date. What we can do is respond quickly for the initial assessment. Call (626) 657-5344 and we’ll get a technician to your home to evaluate the system and get the written quote in your hands fast.
Does Dalton service all AC brands?
Yes. We’re factory-trained on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That matters if you’re replacing one piece of a multi-brand system or want a specific manufacturer’s equipment.
Call Dalton Heating & Air Pasadena
If you’re done with half-finished work and prices that change at the door, we’re the crew to call for AC Repair & Installation Near Me in Pasadena, CA. Every installation includes a written price before any work starts, a written full-year guarantee, and a free return visit if anything fails in that window. That’s The Garrison Standard, and it’s non-negotiable. Call (626) 657-5344 for a free estimate. A live person answers 24/7, and the technician who shows up will be background-checked, uniformed, and ready to do the job right.
Written by Marco Benitez, Owner at Dalton Heating & Air Pasadena, serving Pasadena.