icon hero footer 2

Same-Day Service Available

icon hero footer 3

93% of repair calls fixed on the first visit (1,242 calls, Sep 2025 – Sep 2026)

icon hero footer 4

120-Day Warranty on Repairs

Licensed Rooftop AC Replacement in Glendale

When your unit fails, the choice between repair and rooftop unit replacement determines your long-term costs and reliability. We install rooftop units for businesses in Glendale and across Greater Los Angeles under CSLB license #1131338 (C-20, C-38).

Schedule a site visit today. We’ll send a technician to assess your situation.

Cold Cloud technician repairing wiring inside an open rooftop HVAC unit

When Rooftop AC Replacement Makes More Sense Than Repair

Units older than 12-15 years often consume more energy and require frequent service calls. A single failure on a 20-year-old system often signals the approaching breakdown of other components.

Replacement:

  • Eliminates frequent repairs
  • Stabilizes your utility bills
  • Provides manufacturer warranties that repair work cannot match

When repair costs exceed 50% of a rooftop unit replacement in Glendale, CA, choose replacement. Our technicians calculate this comparison during every inspection and present the financial analysis.

Types of Rooftop HVAC Systems We Replace

We handle all of your heating and cooling needs. Our rooftop unit replacement cost depends on the type of unit and building factors. But some models that we replace are:

  • Packaged Rooftop Units (RTU)

    Most small-to-medium commercial spaces use packaged units that combine a compressor, coils and fans in a single rooftop housing. These self-contained systems cost less to install than split configurations. We replace all major RTU brands and match capacity, efficiency and control compatibility with your existing setup.

  • Single & Multi-Zone Commercial Systems

    Larger buildings require zone-based cooling that directs air to different sections. Replacement of multi-zone systems demands precise ductwork evaluation and damper reconfiguration. Our team verifies that new equipment connects to your existing distribution system.

  • Replacement of Aging or Failed Rooftop Units

    Whether your unit has reached service-life limits or failed completely, we handle the full replacement cycle with crane-assisted removal, rooftop unit installation of capacity-matched systems and final performance testing.

Alex Butakov and Peter Davis, co-founders of Cold Cloud Mechanical, on a Los Angeles rooftop
patient
2,300 +

happy clients

about us

Why Glendale Businesses Choose Cold Cloud

Owners come to us for licensed work and a clear written scope and price. We provide rooftop unit replacement near Glendale that includes:

  • Fast Replacement. Minimal Business Downtime

    We coordinate with your business to replace your unit at a time that minimizes downtime. Our technicians will be on site to install and test your new system.

  • Accurate System Matching — No Oversizing or Undersizing

    Oversized models? They cost you a lot of money on unnecessary power bills. Undersized models work overtime. We offer accurate rooftop unit replacement AC with system matching to guarantee accurate cooling of your space.

  • Crane Coordination & Safe Removal of Old Equipment

    As your HVAC technician in Glendale, we manage the crane scheduling and coordination for the installation. We’ll remove existing systems and replace them with the help of a crane.

  • Permits, Inspections & Code Compliance

    We are required to obtain permits for all AC units and follow California’s Title 24 standards. Our team will coordinate with inspectors and verify that your new system is fully code-compliant.

  • Transparent Replacement Pricing

    Estimates are provided upfront so that you’re never left wondering what your final bill will be.

  • Fast response times
  • Skilled, certified technicians
  • Customized maintenance plans
  • Energy-saving solutions
established in 2023
Established
2023

Serving Homes & Businesses

phone
Need Quality Services?

Call on: (747) 298-8580

clock
opening hours

Mo – Fr: 8:00 am – 8:00 pm
Sa – Su: 9:00 am – 6:00 pm

mail
schedule appointment

Mail us: info@thecoldcloud.com

our process

Our 3-Step Rooftop AC Replacement Process

We make your install as simple as 1.. 2.. 3. Our process for a rooftop unit installation and air conditioner includes:

    Icon for step one of the Cold Cloud service process

    Inspect – Evaluate Existing System & Compatibility

    We examine electrical connections, ductwork condition and structural support. This evaluation identifies any code deficiencies that demand correction before we begin your rooftop unit replacement.

    Icon for step two of the Cold Cloud service process

    Replace – Crane Removal & New System Installation

    Our team removes your existing system using a crane and keeps the existing structure in place. We’ll then set a new unit, reattach all connections and complete the installation.

    Icon for step three of the Cold Cloud service process

    Optimize – Testing, Airflow & Performance Check

    We charge refrigerant to specification, test all electrical controls and verify airflow distribution throughout your building.

    what we provide

    Proper Rooftop Unit Sizing for Replacement Projects

    Manual J calculations form the foundation of correct sizing. We measure your space, document existing ductwork and assess thermal load from:

    • Windows
    • Walls
    • Occupancy

    The resulting capacity recommendation prevents efficiency losses and comfort problems that undersizing and oversizing create.

    Your replacement unit receives capacity recommendations from engineering analysis, not guesswork.

    (747) 298-8580

    Two new Daikin heat pump outdoor units installed in a Los Angeles courtyard
    1
    Expert Repairs

    Our technicians find the actual cause before replacing anything and explain what failed.

    2
    Licensed, Insured & EPA-Certified

    CSLB C-20 and C-38 licensed contractor (Lic. #1131338), fully insured and bonded, with EPA 608-certified technicians on every job.

    3
    Fast Response Time

    Our technicians arrive quickly to get your equipment running with minimal delay.

    Rooftop AC Replacement Cost in Glendale, CA

    Ready to start your RTU replacement? Reach out to us for a comprehensive assessment and quote to help you feel comfortable with your decision.

    (747) 298-8580

    Cold Cloud technicians installing a rooftop HVAC unit in Los Angeles

    Permits and Glendale Code Requirements for Rooftop Replacement

    Need an HVAC upgrade in a commercial building? Plan for a lot of time spent on permits and meeting local codes. We handle both for our clients.

    (747) 298-8580

    Daikin heat pump outdoor unit installed beside a Los Angeles home

    Energy Efficiency Benefits of Replacing an Old Rooftop AC

    Modern rooftop units operate at SEER2 ratings 40-60% higher than equipment from 2005 or earlier. Variable-capacity compressors modulate output to actual demand, avoiding constant-speed operation of older models. Many newer systems integrate with building automation for demand-responsive control.

    You might even qualify for rebate programs to offset your expenses.

    (747) 298-8580

    Mitsubishi Electric outdoor unit installed on a concrete pad beside a home
    Reviews

    Financing Options for Rooftop AC Replacement

    Need help paying for your rooftop unit replacement? Inquire about our financing options.

    Google review★★★★★
    Decided to update the HVAC in my Glendale house. The main issue was one of the back rooms — it never cooled down properly in summer and stayed colder than the rest of the house in winter. The other rooms were fine, just that one was always off. Got quotes from a few companies. Cold Cloud stood out right away. Their tech Alex showed up with a 3D scanner and did a full heat load calculation for every room. Showed me the airflow numbers on the spot and explained that the back room wasn't getting enough CFM because the duct was undersized. That's why it was always lagging behind the rest of the house. The other contractors didn't ask anything beyond square footage. Not sure how they were even planning to size the system. Cold Cloud actually knows what they're doing. Real math. They installed a Daikin FIT system and helped me get $4,000 back through the LADWP rebate. Really happy with how it turned out.
    George Muradov
    Google review★★★★★
    We applaud Cold Cloud Mechanical on their professionalism and outstanding service. We highly recommend them. They recently installed a new rooftop HVAC for our townhome. Every step of the way they were communicative, prompt and excelled at getting the job done. They took care of all steps, including permits and inspections. We passed the city inspection today. Alex, Roman and everyone we dealt with at Cold Cloud have provided excellent customer service. We interviewed several AC companies before selecting Cold Cloud Mechanical. We couldn't be more pleased with our decision to use Cold Cloud and would definitely use them again and have recommended them to others. In addition to hiring them for their professionalism and expertise, the equipment costs were very reasonable. We have only highly positive comments to make about the company. Thank you Alex and team!!
    Robert Pierce
    Google review★★★★★
    We recently had a new HVAC system installed by Cold Cloud, and we could not be happier with the experience. From start to finish, the entire team was professional, knowledgeable, and incredibly great to work with. I worked closely with Alex, who did a fantastic job walking us through our options, explaining the technical details clearly, and tailoring the system perfectly to our budget and needs. The level of responsiveness was outstanding—Maria was always on top of everything via email, keeping communication smooth and making sure we knew exactly what to expect at every step. They also went above and beyond by guiding us through the entire LADWP rebate process, making sure we had all the proper documentation ready to maximize our savings. If you are looking for a reliable, honest, and highly skilled HVAC contractor, I recommend Alex, Maria, and the whole Cold Cloud team.
    Mac
    Google review★★★★★
    We worked with Cold Cloud to replace our HVAC system in our condo in Sept 2025. All in all, a wonderful experience and I highly recommend them. The quote with Alex was really easy and I appreciated that they gave me two options for different tiers of equipment and that they offer to do city inspections. Everything was clear and transparent and they gave me good options to consider. Their pricing was also competitive compared to other quotes I got. The installation itself is really high quality and well done. I feel like my unit is now one of the best installed ones on the roof. My only constructive comment was that there was a bit of miscommunication during scheduling. I conveyed to their project manager and he is aware of it and they are working on streamlining and improving it. I think a simple email with the expected schedules, expected location of the crane, etc., would have helped to make sure everyone is on the same page. I recommended them already to a neighbor and they also had a good experience. The neighbor had a small drywall issue and they stood behind their work and resolved it for her without any charge so they try really hard to provide good service and to make sure you are absolutely satisfied. So to sum it up, I think they provide great equipment and great installation at good prices. Whatever small hiccups they have with scheduling or communication, they are open to feedback and improvement so overall I highly recommend working with them.
    Grace G.
    Google review★★★★★
    Had great experience with cold cloud mechanics, fast same day service, and priced reasonably. I had my old unit replaced with Daikin, now it’s cooling like never before
    Ken Ch
    Google review★★★★★
    Im leaving this review after my in home estimate done by Alex. First of all, Alex was on time and professional. I have had 4 companies come out to check my ac unit and Alex was the most thorough, he not only took the time to figure out what tonnage my 34 year old system was but he also took the time to review options on his app designed for AC installations (no other company had this). He was by far the most professional and provided exemplary work. A++
    Nar Yer

    Replacement Details Most Quotes Skip

    Service DetailWhy It Matters
    Quiet inverter operation — 20+ dB quieterA new variable-speed system runs noticeably quieter than an old single-stage
    All-electric / heat-pump readinessReplacing now aligns with California's gas phase-out and keeps you rebate-eligible
    Match the SEER2 tier to the rebate minimumThe rebate often starts at a specific efficiency step — cross it and payback comes faster
    Full changeover, not condenser-onlyA new outdoor unit on an old indoor coil drops efficiency and can void the warranty
    New refrigerant needs a matched coil and line setAn R-32 / R-454B system won't perform on mismatched R-410A parts
    On the Job

    We Sweat the Details. You Stay Cool.

    Rooftops, attics, crawlspaces — wherever your equipment is, our technicians are there. Real photos of the Cold Cloud team at work in Los Angeles homes and businesses.

    See Our Projects

    contact us

    Schedule Your Rooftop AC Replacement in Glendale

    Call today to schedule an on-site rooftop replacement assessment in Glendale. We’ll inspect your current unit and recommend the most cost-effective next step.

    Los Angeles:

    • Agoura Hills
    • Altadena
    • Arcadia
    • Atwater Village
    • Bel Air
    • Beverly Hills
    • Bradbury
    • Brentwood
    • Burbank
    • Calabasas
    • Canoga Park
    • Chatsworth
    • Eagle Rock
    • Encino
    • Glassell Park
    • Glendale
    • Grapevine
    • Hollywood Hills
    • La Cañada Flintridge
    • La Crescenta
    • Los Angeles
    • Los Feliz
    • Malibu
    • Monrovia
    • Newbury Park
    • North Hollywood
    • Northridge
    • Oak Park
    • Pacific Palisades
    • Pasadena
    • Porter Ranch
    • San Gabriel
    • San Marino
    • Sherman Oaks
    • Sierra Madre
    • South Pasadena
    • Studio City
    • Sunland
    • Tarzana
    • Temple City
    • Thousand Oaks
    • Topanga
    • Tujunga
    • Valley Village
    • Van Nuys
    • West Hills
    • Westlake Village
    • Woodland Hills
     
    question

    FAQs

    Yes. We’ll attempt a direct rooftop unit replacement if the current ductwork supports it.

    Good question. The debate of a rooftop AC repair vs replacement is easier when the cost of repairs exceeds 50% of the cost of replacing the unit.

    Commercial HVAC replacement can cost $4,500 – $12,000+, depending on requirements.

    Most RTU replacement takes 6 to 10 hours to complete.

    Yes. Even an energy-efficient rooftop unit will weigh enough to require a crane. We’ll discuss all of this in our estimate.

    Maintenance is key. A rooftop unit’s lifespan ranges from 15 to 20 years.