Pro Listing

Multi Air Service LLC

Pasadena HVAC Companies
Ranked #10 in Pasadena | Grade B-
4.90 (30 reviews)

Multi Air Service LLC

Local HVAC service in Pasadena focused on practical fixes, clear estimates, and reliable follow-up. Appointments available Monday through Saturday.

Why Homeowners Choose This Business

Homeowners mention quick response times, straightforward advice, and careful workmanship. Estimates and findings are explained before repairs proceed. Routine and urgent issues are addressed during extended weekday and Saturday hours.

Service Area

Pasadena and nearby areas in the San Gabriel Valley, including Altadena and San Marino.

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Listing details

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  • Service information
  • Customer review signals
  • Photo gallery
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  • Published local profile

How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Renovation Services
  AC Repair
  Furnace Repair
  HVAC Diagnostics
  Repairs
  Refrigerant leak repair
  Thermostat Installation
  Blower motor replacement
  Heat Pump Service
  Ductwork Assessment
  HVAC Maintenance
  AC replacement
  Heating Tune-Up
  Air Conditioning Service

Air conditioning and heating diagnostics, repair, tune-ups, and replacement. Refrigerant leak checks and fixes, blower and motor replacements, thermostat setup, ductwork assessments, and system performance evaluations.


Reviews

Recent Reviews

4.90

(Based on 30 reviews)

Reviews consistently note fast responses and clear, honest communication. Customers mention effective troubleshooting and willingness to explain options before repairs. Several describe quick turnaround during hot weather and appreciation for fair, transparent service. Feedback points to reliable follow-through on both simple fixes and more complex HVAC issues.

Google Review
Raina Bonthoux on Multi Air Service LLC

I can’t say enough good things about Ricardo! He’s a true expert when it comes to air conditioning and heating. Whenever an issue pops up, he’s quick to respond—often the same day or by the next. He’s prompt, polite, and really goes the extra mile to thoroughly diagnose the problem. You can tell he genuinely cares about getting everything working perfectly. If you need AC or heating help, Ricardo’s your guy!

Google Review
Daniel Spooner on Multi Air Service LLC

When I find someone extraordinarily skilled, knowledgeable and HONEST like Ricardo Ortega and Multi Air Service, I feel compelled to leave a review for others. As long as his company is in business and we are in this area, whenever we have any question or concern with our HVAC system, he will be the only person we ever call, one thousand percent.

We were in a fortunate position because while nothing was overtly broken with our system, due to other things we had going on at the house, we decided our HVAC system was overdue for a checkup. We were also fortunate to have already been connected with Mr. Ortega through a commercial office job he helped out on in the past, in which he provided invaluable expertise.

In our case, he was able to diagnose, pinpoint and explain a lot of little incorrect things that had been done, all of which added up to a far from ideal setup. Basically, our system had been installed without care, and quite a few decisions were made simply to cut costs when it was installed, prior to our living here.

Ricardo did a thorough inspection, then explained every action or correction he recommended doing. Some were more important than others, and he was honest and up-front about how we could approach it piecemeal, or do everything at once, or even live with some of the problematic aspects. He then provided a clear estimate broken out by his suggestions. It was fair and reasonable. And knowing his past expertise at installing and maintaining very large corporate systems, I consider it a bargain to be able to have his expertise available for our house.

In my opinion I think Ricardo knows everything there is to know about HVAC systems and their proper installation and upkeep. He is a detail-oriented person, someone who takes care in his craft, and like an engineer he will always work to find viable solutions, then will speak to you to get alignment on the next steps. He’ll very likely find additional things along the way and let you know easy ways to remedy them too.

Like I said, we will never call another person for any HVAC concerns (commercial or residential). He has my utmost respect.

Google Review
Chris Buntine on Multi Air Service LLC

Multi-Air Service was terrific. Ricardo was very responsive and provided very clear, honest and solid technical advice. He tackled a difficult project, getting all the work done very quickly. He even found some other problems with our HVAC system and was able to fix those. To be able to get such great support shortly after the Eaton fires was fantastic. A highly recommended service.

Ricardo is wonderful. I had a bad refrigerant leak, no AC when it started to get hot, and he came out right away and diagnosed the problem. He went above and beyond in helping me understand options. I really appreciate his honesty, how quickly he responded and how quickly he got my system working. Ricardo did a great job and is very reasonable. He is now my ‘go-to’ person for anything central air.
Thank you for coming to save me from the heat!

Ricardo was very responsive, honest, knowledgeable, quick and fair. Our air broke on Saturday of labor day weekend. He came over within an hour , we needed a new motor and it was fixed by Tuesday afternoon, only because it was a special order. Would have been faster if it wasn't. We got him off of Google, and he was still open at 6pm. We got very lucky and he is our new air guy! Thank you Ricardo. I wish I could find 10 more like him for all our other house needs.

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Frequently Asked Questions

Common calls include AC not cooling, heater not starting, refrigerant leaks, failing capacitors or motors, and thermostat problems. The technician diagnoses the root cause and explains repair options and costs before beginning work.

Yes, service covers central air conditioning and forced-air heating. Many visits include checking system performance, airflow, and controls to ensure the whole system works together properly.

Scheduling is typically prompt during open hours, with next-day availability in many cases. If timing is tight, the team will offer the earliest practical window and keep you updated.

Yes. After inspection, you’ll receive a straightforward summary of findings, estimated costs, and pros and cons for repair versus replacement. The goal is to help you choose the most practical option for your home and budget.

Make sure the area around the indoor unit, thermostat, and outdoor condenser is accessible. If you can, note any error codes, unusual noises, or recent filter changes to share with the technician.
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Opening Hours


  • Monday 7:00 AM – 5:30 PM
  • Tuesday 7:00 AM – 5:30 PM
  • Wednesday 7:00 AM – 5:30 PM
  • Thursday 7:00 AM – 5:30 PM
  • Friday 7:00 AM – 5:30 PM
  • Saturday 7:00 AM – 5:30 PM
  • Sunday Closed

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Business Details


Business Rating
4.90 (30 reviews) Pro Listing
Address
470 Avocado Ave, Pasadena, CA 91107
Phone
Business Type
general_contractor

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