Pasadena Heating and Air Conditioning Service
Living in Pasadena means enjoying beautiful weather, historic neighborhoods, and active community life. Residents often spend weekends exploring Old Pasadena, visiting the Pasadena Farmers Market, or walking through the Huntington Library and Botanical Gardens. While the climate is generally pleasant, seasonal heat waves and cooler winter nights make dependable heating and cooling systems important for every home.
When an HVAC system begins to struggle, everyday routines can quickly become stressful. A failing air conditioner during a warm summer afternoon or a heating unit that stops working on a chilly evening can make your home uncomfortable. That’s why homeowners need a professional HVAC company in Pasadena that can quickly address comfort problems.
Multi Air is proud to provide Pasadena with professional HVAC services that support year-round home comfort. From seasonal tune-ups to complete system replacements, we help create comfortable, healthy indoor air for homeowners. We're local, we're responsive, and we're here for Pasadena.
About Multi Air
Multi Air was founded in 2015 by licensed contractor Ricardo Ortega. He started the company with one goal: providing honest, high-quality HVAC services to Southern California.
Ricardo enjoys the variety of this work. He believes that every Pasadena home is different, every customer has a unique problem, and that challenge is exactly what drives him.
We believe every resident deserves access to expert Pasadena HVAC service at fair prices. We don't use high-pressure tactics, hidden fees, or unnecessary upsells. That's why your neighbors keep calling us and sending their friends and family our way.
Today, Multi Air proudly serves all of Pasadena and the surrounding San Gabriel Valley. Whether you're a longtime resident of Bungalow Heaven or a business owner on the Playhouse District's Lake Avenue corridor, we’re your local HVAC team.
Why Homeowners Choose Us for Pasadena Heating and Cooling Service
There are plenty of HVAC companies in the greater Pasadena area. Here are a few things that set Multi Air apart:
- Family-Owned and Operated
- Our family-run company is guided by discipline, integrity, and accountability. We bring these values to every job. We show up on time, work carefully, and always do things right. Serving Pasadena is an honor we take very seriously.
- Locally Owned
- We’re not a franchise. We’re your neighbors. Our business is part of the Pasadena community, which means our reputation lives here, too. We know the neighborhoods, the homes, and the people. That connection motivates us to do our best.
- Rigorously Vetted Technicians
- Every technician goes through background checks, drug screening, and hands-on skills assessments before entering your home in Pasadena. After hiring, they keep training on the latest systems and standards.
- Positive Reviews
- Our reputation comes from hundreds of satisfied customers in Pasadena. With various five-star reviews on Google and Yelp, people say we show up, communicate clearly, and fix things right. We treat every call as a chance to earn your trust.
- Guaranteed Satisfaction
- We back every installation with a 3-degree temperature performance guarantee, a 'No Lemon' replacement promise for heating and cooling systems, and a one-year money-back guarantee. If you're not satisfied, we'll remove the system and refund your entire investment with no runaround.
Air Conditioning Services
After time in Old Pasadena or a warm afternoon near the Rose Bowl, you want to come home to an AC system that cools the house without leaving warm spots behind. In Pasadena, older homes, second-story heat buildup, and strong afternoon sun can all stress your cooling systems. Our AC services help homeowners in Pasadena stay comfortable when temperatures rise.
Air Conditioning Repair
Air conditioners may develop problems such as refrigerant leaks, electrical failures, or compressor issues. When an AC unit begins blowing warm air or fails to start, professional HVAC service becomes necessary. Our air conditioning repair experts in Pasadena will get your home cool again with minimal disruption.
Call for AC Repair TodayAir Conditioning Maintenance
Seasonal Pasadena air conditioning maintenance will help your system run efficiently and catch minor problems before they turn into expensive repairs. With Pasadena’s long cooling season, regular maintenance helps your AC keep up with daily demand.
Book Seasonal AC MaintenanceAir Conditioning Installation
Older air conditioning systems often struggle to cool a home effectively. If your Pasadena AC unit isn't cooling like it used to, we’ll help you choose the right system and install it for you. Every air conditioner replacement comes backed by our performance guarantee.
Install a New AC SystemDuctless Mini-Split Systems
Ductless mini-splits provide flexible temperature control for Pasadena homes without traditional ductwork. These systems are commonly installed in home additions and attics. Mini-splits allow homeowners to control temperatures in specific areas without installing full duct systems. Our ductless AC experts in Pasadena will manage the entire installation process.
Explore Ductless CoolingHeating Services
Pasadena homes do not all heat the same way. In neighborhoods like Bungalow Heaven and Madison Heights, older homes often come with aging furnaces, draftier rooms, or patchwork ductwork. When one part of the house feels comfortable, and another still feels chilly, our heating experts will help restore balance.
Furnace Repair
Whether you have an ignition problem, a cracked heat exchanger, or a blower motor issue, scheduling a furnace repair near Pasadena is the first step to correcting the problem. Even though Pasadena winters are mild, you shouldn’t have to go without heat.
Call for Pasadena Furnace RepairFurnace Maintenance
Getting your furnace checked each year helps it last longer, run more efficiently, and keeps your family safe from carbon monoxide. Let Multi Air inspect and clean your system in Pasadena.
Schedule Furnace MaintenanceFurnace Installation and Replacement
Older heating systems eventually require replacement. Frequent breakdowns, uneven heating, and rising energy bills often indicate that a furnace is nearing the end of its service life. We help Pasadena homeowners select an energy-efficient furnace that’s the right size for your home. Our No Lemon Guarantee protects you after every replacement.
Upgrade Your Heating SystemHeat Pump Service
Heat pumps are becoming increasingly popular in Southern California. Pasadena heat pump installations are a great solution to chronic comfort problems in a mild place like Pasadena. Our team installs, repairs, and maintains all major heat pump brands.
Schedule Heat Pump Service in PasadenaIndoor Air Quality
Indoor comfort in Pasadena is not just about heating and cooling. Older ductwork, dust buildup, dry air, and seasonal air quality issues can all affect how your home feels day to day. Multi Air provides indoor air quality services in Pasadena to help improve airflow, filtration, and overall comfort.
Air Purifiers
Air purifiers neutralize bacteria, viruses, and mold spores inside your HVAC system. This is one of the most effective ways to protect your family’s health year-round in Pasadena. Whole-home air purification units integrate with your heating and cooling systems to clean circulating air.
Install an Air PurifierWhole-Home Humidifiers
Pasadena’s dry climate can make indoor air uncomfortably dry, especially in winter. A whole-home humidifier improves comfort, protects wood furnishings, and relieves dry skin and respiratory irritation.
Improve Your Indoor AirAdvanced Air Filtration Systems
High-efficiency filtration traps dust, pollen, pet dander, and wildfire smoke before they circulate through your home in Pasadena. Proper filter selection depends on the HVAC system and household needs. Our team will help you choose and install the right system.
Upgrade Your Air FiltrationThe Process for HVAC Replacement in Pasadena
Replacing an HVAC system may feel like a big project, but our time-tested process makes it much easier for homeowners to understand. Our structured approach focuses on careful planning, proper installation, and thorough testing. Each step ensures your new heating and cooling system in Pasadena operates safely and performs well.
- Home System Evaluation: Every HVAC replacement in Pasadena begins with a detailed evaluation of your current system. Our team examines the existing unit, ductwork, and overall home layout. This inspection helps determine the right system size and configuration for your Pasadena property.
- System Recommendation and Estimate: After the inspection, we will explain the replacement option(s) best for your home. Our team will answer questions and provide information about the system types, features, and expected performance. You receive a written estimate that outlines the project details and service costs.
- Scheduling and Preparation: Once you approve the installation plan, we schedule the replacement at a convenient time. Our team prepares the work area and ensures the necessary equipment is ready for installation. Careful preparation helps the installation move forward smoothly.
- Professional System Installation: Your old furnace or AC is removed before the new HVAC system is installed. All connections, including electrical and ventilation components, are hooked up at this point.
- System Testing and Final Walkthrough: Once installed, your new HVAC equipment is tested to verify that it operates correctly. Our team checks airflow, thermostat communication, and heating or cooling performance. We also walk you through system controls and answer any questions you may have.
Your Comfort Is One Call Away
Whether you're dealing with a broken AC on a sweltering Pasadena afternoon or a furnace that quit overnight, Multi Air is ready to help. We're local, we're fast, and we back every job with guarantees that mean something. Hundreds of Pasadena homeowners trust us because we show up, fix it right, and never surprise you with the bill. Don't wait for an emergency to find out who you can count on.
Got Questions? Here Are Answers to Those Most Frequently Asked
How quickly can you get to my home in Pasadena?
For most standard service requests in Pasadena, we provide same-day service. If you have an emergency, we're available around the clock. When you call, we'll give you a reliable arrival window and keep to it. For HVAC scheduled maintenance, we usually offer next-day or same-week appointments.
How long will an HVAC service call take in Pasadena?
Standard repairs take between one and three hours, depending on the problem. Diagnostic visits usually last 30 to 60 minutes, and full system replacements often take a whole day. We’ll always give you a clear time estimate before starting so you can make plans.
How much does AC repair or replacement cost in Pasadena?
Costs depend on the type of repair or system. In Pasadena, AC repairs usually range from a few hundred dollars to over a thousand for more complicated issues. Full AC replacement costs depend on the system’s size and efficiency. We always give you a written, upfront quote before starting any work, so there are no surprises.
Are you licensed and insured to work in Pasadena, CA?
Yes. We are fully licensed, bonded, and insured to do HVAC work in Pasadena. Our technicians are NATE-certified and receive ongoing training. We’re also proud to be a family-owned business that operates with the highest standards of professionalism.
Do you offer financing for HVAC replacement in Pasadena?
We know that getting a new heating or cooling system is a big investment in Pasadena. When you call, ask about our current financing options, and we’ll help you find a solution that fits your budget.
How often should I have my HVAC system serviced in Pasadena?
We recommend at least one professional tune-up each year for most systems. Ideally, schedule your AC service in the spring before Pasadena’s hot summer, and your furnace service in the fall before it gets cooler. Because Pasadena is often dusty and dry, you may need to change filters more often. Our maintenance plan takes care of this for you and gives you priority service all year.
Recent Jobs and Reviews in Pasadena, CA
Pasadena, CA at a glance
Multi Air Service LLC has completed 37 jobs in Pasadena, CA in June 2026.
The most recent job was on June 23, 2026.
Multi Air Service LLC has completed 187 jobs in Pasadena, CA in the last 12 months.
Job Locations and Reviews
Monrovia CA. Commercial installation set up. Rooftop package unit removal HVAC curb platform. New 3-Phase, heat pump system retrofit set up.
Pasadena CA. New Minisplit start up. New electrical breaker connect. Check power 115 volt. Ok. Unit up & running.
Home Depot. Pasadena CA. Purchase 20-Amp electrical breaker. 115 Bolt power installation Minisplit
Pick up parts HVAC. Pasadena CA.
Pasadena CA. No cool. Carrier. Re-charge system top it off to factory standards. Cooling properly now.
Pasadena CA. New TCL minisplit installation. Commercial use warehouse. Job completed.
Pasadena CA. Minisplit new installation. TCL. R-32-Refrigerant charge
Pasadena CA. Minisplit electric issue. Mice intrusion. Electrical damage. No cooling. New unit replacement.
Pasadena CA. Preventive maintenance. System turning on/off. Rheem R-22.
Pasadena CA. Picking up HVAC parts. New ducting components. Lennox split system.
Pasadena CA. Pick up stop. HVAC Materials.
Picking up parts. HVAC supply stop. Filters, MERV 11, fusses. Capacitors. Bryant, carrier, Payne, Goodman units. Rooftop service.
Pasadena CA. Samsung minisplit R410-A. 17K btu. Not working. No cool. No heat. No power.
Pasadena CA. Residential, commercial use. 115 volt minisplit small unit. Westinghouse. No cooling properly.
Pasadena CA. Rheem condenser unit. R-22. No power to compressor. Will re-schedule with new parts.
Pasadena CA. Trane split system. water pump condensation failure. Emergency call. California basement flooded.
Commercial building. Pasadena CA. Apartments. No cool. R-22 system. Electrical hardness wiring issue.
Pasadena CA. No cool. Payne R-22 split system. Dirty filter.
Payne package unit new installation. Commercial Gas electric connection and fittings. R454-B refrigerant. New galvanized platform. Test run fan, heat, cool modes ok.
Pasadena CA. New Payne package unit installation. Gas, electric. R454-B environmentally friendly refrigerant. Removal old equipment York package unit.
Pasadena CA. New commercial install platform. Payne package unit.
Pasadena CA. Service call no cool. High pressure built up. Restriction to airflow. Restriction to airflow. Trains split system. R420-A. Rooftop unit.
Pasadena CA. No cool. Bad indoor blower motor. York package unit leak. Will come back to replace unit. New curb, new platform.
Pasadena CA. Commercial. No cool. AC malfunction indoor blower motor. Will come back to replace unit.
Pasadena CA. Service call rooftop. No cool. Indoor blower motor out. ECM out. York unit. Rooftop. Replace OEM motor.
Pasadena CA. Service call. No cool. Payne split system. Perform check electrical. Pressure system ok.
Pasadena CA. Service call. No power. No cool. Minisplit. Checked components. Mice intrusion. Westinghouse Minisplit
New installation. Pasadena CA. Payne system R454-B refrigerant charged. Environmentally friendly and efficiency. Retrofit existing gas / electric furnace.
Pasadena CA. Prevent maintenance. Check components. Do dept clean compressor dirty. Rheem unit.
Pasadena CA. Service call no cool. York, Rooftop package unit. Perform check components. Found no fuses, burned low voltage circuitboard fuse, no thermostat, breaker off. Install, new T-Stat., new T-Stat batteries, 3-Amp fuses. Found, bad Indoor blower motor.
Pasadena CA. New installation. Perform new cooling system installation. Payne system made by Carrier.
Pasadena CA. Service installation. Air conditioning refrigerant leak. Re-do air ducting. Re-adjust HVAC configuration.
Pasadena CA. New construction. HVAC system, ducting. Remodeling. Payne
Estimate. New construction. HVAC system, ducting, registers. Airflow balance. Payne
Pasadena CA. Service call no cool, leak in the system. Check components. Found leak. York condenser.
Service call maintenance. York unit. Check components service airflow. Pasadena CA
Service call. No cool. York condenser unit. Check system components maintenance.