
Air Conditioning Repair in Simi Valley, CA
Your Trusted AC Repair Company in the San Fernando Valley & Greater Los Angeles Area
When the LA heat kicks in, your AC unit has to work extra hard to ensure the inside of your home stays cool and comfortable. Unfortunately, all that hard work will take a toll on the AC unit, and it will inevitably break down. And when it breaks down, all you have to do is give us a call!
MB Heating and Air has the experienced technicians your AC unit needs to work again! Our air conditioning repair technicians are certified to work on almost all air conditioning brands and can fix even the nastiest of breakdowns.
When you need AC service, call (818) 483-9715 or use our online form for an appointment.
Fast and Reliable Air Conditioning Repair Diagnosis
AC units are complex machines with many parts—each of which can wear out and break down over time. When your AC breaks down, it can be caused by several parts inside and outside your air conditioner. In many cases, the breakdown results from a combination of components failing.
This is why having highly trained and certified air conditioning technicians is crucial for a successful repair!
Common AC Problems You Might Encounter:
- Low airflow
- Water pools forming around your AC unit
- Warm air
- The AC is overly loud or humming
- Irregular cycling
- Bad odors coming out of the vent
If you live in the San Fernando Valley and you’re experiencing any of the issues above, don’t google terms like “air conditioning repair near me” or “air conditioning repair Los Angeles” - give us a call and let us help you.
No matter the scope of the problem, our diagnostics cover all potential issues, ensuring that every aspect of your air conditioning system is carefully examined and repaired as needed. Our detailed approach not only addresses the immediate malfunction but also helps prevent future problems by identifying underlying issues. We pride ourselves on thoroughness and accuracy in every diagnosis, as this sets the foundation for long-lasting solutions and improved system performance.
Our team of skilled AC repair technicians will come over to your Northridge, LA house or business and conduct a thorough inspection of the AC unit to figure out what’s the root of the problem. We’ll never do more unless you approve it first.
Sustainable Air Conditioning Solutions in Simi Valley
Simi Valley experiences warm, dry summers, which make air conditioning essential not only for comfort but also for health and productivity. However, the increased use of AC systems can have environmental impacts. At MB Heating and Air, we are committed to offering sustainable air conditioning solutions. This includes advising customers on energy-efficient units, which can greatly reduce energy consumption. Moreover, regular maintenance not only extends the life of your AC unit but also ensures that it operates efficiently, reducing its carbon footprint.
Sustainable practices also involve recycling refrigerants and opting for units that use eco-friendly coolants. We ensure that all installations and repairs meet local environmental regulations, helping you align with the community's green initiatives. By choosing MB Heating and Air, customers not only receive top-notch service but also contribute to a more sustainable Simi Valley.

Breathe Easy, Choose Us.
The Ultimate HVAC Experience Awaits!
-
Over two decades of experience in Los Angeles and the HVAC industry.
-
Generational business, driven by family values.
-
Our team is fully licensed, insured, and vetted.
-
Get started by giving us a call and setting up a free estimate.
Signs You Need Air Conditioning Repair
Properly maintaining your air conditioning unit is one of the best ways to reduce the frequency of air conditioning repairs and/or limit the severity of the repairs that are needed. However, there are times when your unit may need a repair even if the unit is properly maintained. Knowing what the signs are that indicate a repair is needed helps you to know when to call in an air conditioning company.
In addition to these warning signs, fluctuations in indoor humidity levels or an increase in dust accumulation can also indicate that your AC system requires attention. These issues not only affect comfort but can also signify deeper issues within your system that could lead to more significant breakdowns if not addressed promptly. Regular maintenance checks can catch these subtler signs early, ensuring that your air conditioning system operates at peak efficiency year-round.
FAQs: Air Conditioning Repair in Simi Valley
What Are the Most Common Causes of AC Failure?
AC failures often stem from a few key factors. One common cause is a lack of maintenance, which leads to dirt and dust accumulation affecting the system's efficiency. This can cause components to overheat or malfunction. Another frequent issue is refrigerant leaks, which not only diminish cooling performance but can also lead to complete system failure over time. Electrical problems caused by faulty connections or blown fuses can also disrupt functionality. Additionally, sensor problems, especially in units with digital interfaces, can cause inconsistent performance. Regular checks and timely interventions can prevent these issues, ensuring a long lifespan for your AC unit.
How Often Should I Schedule Air Conditioning Maintenance?
Regular maintenance is crucial for optimal performance of your air conditioning system. Ideally, maintenance should be conducted at least once a year, typically in the spring before the peak summer months. This timing ensures that your system is in its best shape to handle the increased demand when temperatures rise. Seasonal checks can address minor issues before they escalate into costly repairs. Additionally, for units that endure heavy usage or for older systems, bi-annual check-ups can be beneficial, helping to sustain efficiency and delay the need for a replacement.
How Can I Improve the Energy Efficiency of My AC System?
Improving the energy efficiency of your AC system can greatly reduce your energy bills and environmental impact. Start by ensuring regular maintenance to keep the system clean and functioning correctly. Secondly, consider upgrading to a programmable thermostat, allowing you to better manage cooling based on occupancy. Replacing your system's filters every month or two can also improve airflow and efficiency. Additionally, sealing your home’s ductwork prevents cool air from escaping, ensuring that your system doesn't have to work harder than necessary. These steps can help maintain comfort while keeping energy costs in check.
Why Is My AC Unit Making Strange Noises?
Unusual noises coming from your AC unit can be unsettling and often indicate underlying issues. Rattling sounds may result from loose parts or debris in the system, while hissing can point to refrigerant leaks. Buzzing might suggest an electrical issue, and grinding or squealing sounds could indicate motor or bearing problems. Each noise has its specific implications, and these should not be ignored, as they can lead to larger mechanical failures if left unresolved. Prompt attention from a professional is recommended to diagnose and fix these issues before they escalate.
Is It Better to Repair or Replace My Old AC Unit?
Deciding whether to repair or replace an old AC unit depends on several factors. Age is a crucial consideration; units older than 10-15 years often benefit more from replacement due to advances in energy-efficient technology. The cost of repairs is another factor—if repairs exceed half the cost of a new unit, replacement might be the more economical choice. Lastly, consider energy efficiency; newer models often offer substantial savings on utility bills. Consulting with a trusted professional from MB Heating and Air can provide the guidance needed to make an informed decision that suits your budget and comfort needs.
When you need AC service, call (818) 483-9715 or use our online form for an appointment.


Hear From Our Happy Customers
At MB Heating and Air, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
-
“We were so thrilled to find Mark to help us fix and patch our rooftop HVAC system. He is very trustworthy and knowledgeable and made us feel completely at ease, after having terrible experiences with other companies in the past.”- Sunah B.
-
“I can always depend on Mark for excellent heat/ac service. I’ve been working with him for years. He’s knowledgeable in all aspects of heating and AC installation and care. As a neighbor to whom I recommended Matk happily said “thank you s”- Patricia S.
-
“Mark is an incredible pro! His expertise and customer service skills were light years ahead of the other techs I interviewed. I would give him 10 stars if I could.”- Frank C.
-
“Mark is a master especially when it comes to older buildings. We thought it’d be difficult to bring central air and heat to our triplex built in the 1920s. He came in with amazing options and was more competitive than the other bids we got.”- Tracy H.
-
“He was timely, communicative, kind, knowledgeable, and honest. We will DEFINITELY be working with Mark again in the future and are so grateful for his help!”- Amanda D.
-
“Very professional and knowledgeable. He will help u and take care of the issues others could not address. Thank u Mark for helping me stay warm this cold winter. Highly recommend.”- Faye F.
-
MB Heating and Air was referred by a trusted friend after two reputable HVAC companies stopped responding. They wanted me to install a new $23,000 system! MB Heating and Air responded immediately, communicated well, and finished the work on time and at a great rate. Highly recommend.- Cynthia C.
-
“Mark was true to his word. Came in, bulldozed the project and had ac installed within 3 days! His crew was incredibly nice and did not cut any corners. Very professional and I would highly recommend anyone to use them!!”- Jonathan F.
-
“Mark is the best! Responded and installed in a few days! He installed my daughters unit and there was a problem which he went above and beyond to fix! Highly recommend him and his company!”- Iris B.
-
“I had very recently purchased my first condo, only to quickly discover that my HVAC system was leaking and very outdated. I called 3 different companies and decided to go with Mark. Not only was he the best price, but he was extremely thorough in explainin”- Scott M.