Heating System Repair in San Jose, CA

When your home heating system is not keeping up, Freon Service can help diagnose the issue and recommend practical repair options. We provide residential heating repair in San Jose for common furnace, heat pump, ductless mini-split, and thermostat-related problems. Our technicians inspect the system and provide a written estimate before approved repair work begins.

Signs Your Heating System May Need Repair

When you need heating repair, early service can help reduce the risk of a minor issue turning into a larger repair. Pay attention to these common warning signs that you need heating system repair:

  • Heater Isn’t Producing Heat: The system runs continuously but never warms up, and airflow feels weak.
  • System Is Blowing Cool or Lukewarm Air: The unit is producing only lukewarm or cool air and isn’t adequately warming your home.
  • Heating Turns On and Off Frequently: Your heater is short-cycling, which prevents your system from reaching the set temperature.
  • Some Rooms Stay Colder Than Others: There are temperature differences between rooms, with some areas colder than others.
  • New or Unusual Noises: You’re hearing sudden scraping, squealing, or banging sounds.
  • Thermostat Calls for Heat But Nothing Happens: You set the thermostat to heating mode, but the system fails to start.

Different problems with heating units can have similar symptoms. A professional diagnostic will help identify the cause before we begin your home heating system repair.

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Residential Heating Systems We Service and Repair

With our heating system repair service, we fix a wide range of equipment to keep homes comfortable and safe. Here’s what we can fix.

Gas and Electric Furnaces

Gas and Electric Furnaces

Gas and electric furnaces require precise calibrations to operate safely. We diagnose and repair all major furnace models. Our heating technicians have years of experience servicing furnaces and have the knowledge to fix your unit quickly.

Gas and Electric Furnaces

Heat Pumps

Heat Pumps

Heat pumps can switch between heating and cooling, providing year-round comfort. But they also need specific care. Our qualified technicians are skilled in maintaining heat pumps, so your system will keep your house cozy. We provide services for many different types and brands of heat pumps.

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Heat Pumps

Ductless Mini-Split Heating

Ductless Mini-Split Heating

Is one room or zone not heating properly? Our techs will run a full diagnostic and fix your mini-split so your zoned area stays warm. We can handle repairs for all major makes and models.

Ductless Mini-Split Heating

Thermostats and Heating Controls

Thermostats and Heating Controls

We understand that precise temperature controls are integral to a properly functioning heating unit. If you’re facing an inaccurate temperature reading or unresponsive controls on a traditional or smart system, we can inspect the thermostat wiring to restore your system’s responsiveness.

Thermostats and Heating Controls

Should You Repair or Replace Your Heating System?

If your system isn’t producing heat, you may not always need a replacement. There are many common heating issues that our techs can easily repair. But if you’re considering a replacement, consider these factors about your unit:

  • Age
  • Overall condition
  • Frequency of repairs
  • Frequency of failures
  • Availability of parts
  • Overall safety
  • Repair costs
  • Ongoing issues

Replace your heating unit if your system is older than 15 years, requires frequent and expensive repairs, and parts are difficult to source. But if your system is relatively new, well-maintained, and hasn’t faced too many issues, residential heating system repair makes more financial sense.

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Should You Repair or Replace Your Heating System?

Trusted HVAC Contractors in San Jose

Licensed Heating & Cooling Experts

Licensed Heating & Cooling Experts

Our HVAC contractors are fully licensed, Section 608 EPA-certified, and trained to handle heating and cooling systems of all sizes and brands across the Bay Area.
Residential & Commercial HVAC Services

Residential & Commercial HVAC Services

Freon Service is an HVAC company built for both residential and commercial work. Single-family home or an office building in Silicon Valley, the standard of work doesn't change.
Personalized Comfort Solutions for Every Home or Business

Personalized Comfort Solutions for Every Home or Business

Square footage tells us almost nothing on its own. Share what you know about your space and your bills, and we'll take it from there with equipment sizing, SEER2 ratings, and more.
What to Expect From Your Heating Repair Service

What to Expect From Your Heating Repair Service

Our residential heating repair process is built around a precise diagnosis, clear communication, and dependable service. Each visit consists of an inspection, an explanation of our findings, and, if you accept our recommendation, the actual repair.

  1. Review the Problem: We’ll discuss the symptoms and operational changes you’re observing. This will help us narrow down any probable causes.
  2. Inspect and Diagnose: Our techs will evaluate the unit and check for any issues to pinpoint the root cause of the problem.
  3. Explain the Findings: We’ll clarify the most likely cause of the problem and explain your repair options.
  4. Complete Approved Repairs: Our techs will finish the component repairs you approve using quality replacement parts and tools.
  5. Test System Operation: After our repair, we’ll perform full operational checks, system testing, and verify the safety controls to confirm your system is running at peak performance.

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For scheduling appointments with our HVAC and Electrical specialists for repairs, installations, or maintenance, please use the provided form.

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Why San Jose Choose Freon Service

5+

Years of Experience

1225+

Satisfied Clients

10+

Professionals

Experience and Expertise
Experience and Expertise

Freon HVAC's technicians are highly experienced and possess the necessary expertise to handle a wide range of HVAC services.

Quality Workmanship
Quality Workmanship

Freon HVAC is committed to delivering high-quality workmanship, ensuring that every project is completed to the highest standards.

Customer Satisfaction
Customer Satisfaction

Freon HVAC prioritizes customer satisfaction, providing exceptional service and ensuring that their customers' needs are met.

What Our Clients Say about Freon Service

Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Freon HVAC absolutely lived up to their promise! My A/C was struggling, and now it's running like a dream. The technician was thorough, explained everything clearly, and I can already feel a significant difference in my home's comfort. I'm so glad I booked with them – it's going to be a much cooler summer thanks to their excellent maintenance.
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Ivan Lawson profile picture
Ivan Lawson
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Vlad really helped our family out after our air conditioning system stopped working during a heat wave due to another contractor’s faulty modifications to the drain system. He identified the issue right away and replaced the unreliable pump based drainage with a passive drain just as the home builder had originally designed. I can tell he takes pride in his work and truly knows his stuff!
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William Jimenez profile picture
William Jimenez
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I chose Freon Service because I saw their 5-start reviews. And after their service, I know Freon truly deserves 5-star rating. I need to replace my air ducts. Freon is the first to reply and the estimator Matt came the next day. Due to my vacation schedule, he followed up and came a second time after my vacation to confirm on the work order. Jake (the technician) and his team did a great job, very professional, courteous, and patiently answered all my silly questions. I am a bit picky about the air flow, and Jake came a couple more times to help me adjust the air flow. Always on time, always courteous and patient. I am very happy with their service and Freon will be my go-to place for HVAC service.
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janie richard profile picture
janie richard
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I couldn’t be more impressed with the service. Vlad, the technician was prompt, professional, and incredibly knowledgeable. He quickly assessed the issue and had it resolved in no time. His expertise and efficiency made the whole experience seamless. Thank you again Vlad! I hope I don’t have to call on Freon services again but if I ever need to, I will absolutely use them again. Highly recommended!
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Camille Nguyen-Chui profile picture
Camille Nguyen-Chui
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Excellent service from responding to questions about options and quotes to installation of HVAC. We reviewed about six quotes and their options and total cost was competitive compared to the others. We opted for a heat pump system. They also informed us and explained all the available federal, state and local rebates and tax credit with going with a heat pump system. Installation of the HVAC heat pump system went smoothly. Freon staff was very professional. Victor, the HVAC technician and his helper, Riff were great. They took good care of not tracking mud by laying a floor drop cloth and wearing shoe coverings. They leveled the ground where they installed the heat pump, tested the temperature of the vents, remove all debris (they did this for each day of installation), and explained all the settings. Count me in as a very satisfied customer. If you are considering replacing your HVAC system, give them a call.
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Kirk Y profile picture
Kirk Y
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Our experience with Freon was great ! They were very professional and did an excellent job. I would definitely recommend Freon.
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Chaitra Pai profile picture
Chaitra Pai
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Technician Matt diagnosed the problem quickly and accurately. Very appreciative for his service. Thank you!!
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Shashi Jaggia profile picture
Shashi Jaggia
"Freon did a wonderful Mitsubishi heating and cooling systems installation for my whole house a year ago. i am now having a problem contacting the company to come out and service the system as required by the warranty. Have contacted the company by phone and text to no avail for the last two and a half months. I can understand if they are busy but the silence is no excuse. Hopefully this will get a reply."
C H.
My heater couldn't start. Called Freon service and made an appointment on the first call. Vlad from Freon service showed up on time. Within minutes, he found the issue with the gas valve. He explained clearly and provided the solution to fix the issue. He found the replacement unit in his vehicle and gave me a quote with a reasonable price. Once I accepted it, he started working and fixed the issue right away. My heater is working again. Excellent service from the start to the end. Highly recommended. I have their business card for all future projects.
Tony Y.
Matt came in on time. He diagnosed the problem within a minute. It was late in the afternoon, and he had another appointment waiting. But once I expressed my wish to fix it ASAP, since it was cold at night, he agreed to fetch the parts right away although it was traffic time. He came back with the parts in nearly 45 minutes. Once installed it, the heater worked like a champ! I much appreciated the service!
Xiao

Get Your System Working Properly Again. Schedule Heating Repair With Freon

Don’t let a malfunctioning heater compromise your comfort. Our heating repair company delivers prompt services for San Jose homeowners.

We’ll conduct an accurate HVAC diagnostic and make the necessary repairs to restore your unit’s heating performance. Our certified techs focus on identifying the actual cause the first time, not just treating symptoms.

Whether your system needs a minor or complex fix, we’ll focus on solutions that extend your equipment’s life. Enjoy a warm and comfortable home just in time for winter. Contact us at Freon today to schedule your heating repair.

Call (408) 877-5557 Book Now

Get Your System Working Properly Again. Schedule Heating Repair With Freon

We Service All Major Brands and Models

Brands

Areas We Serve

Areas Areas 2 Areas 2
  • Atherton
  • Belmont
  • Burlingame
  • Campbell
  • Cupertino
  • Foster City
  • Fremont
  • Hillsborough
  • Los Altos Hills
  • Los Altos
  • Los Gatos
  • Menlo Park
  • Milpitas
  • Mountain View
  • Palo Alto
  • Redwood City
  • San Mateo
  • Santa Clara
  • Saratoga
  • Sunnyvale
  • Woodside
  • West Menlo Park
  • Stanford
  • Emerald Hills
  • Monte Sereno

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FAQ

What are the signs my heating system needs repairs?

Common signs that you need heating repair include cold or lukewarm airflow, strange noises (such as rattling or banging), frequent short cycling, higher-than-average energy bills, the thermostat says “heat on” but no heat, foul odors, failure to turn on, and cold spots in certain rooms.

If you notice any of these symptoms, it’s time for a professional inspection.

Why is my heater running but not warming my home?

This problem can have many root causes. Some potential issues may include clogged air filters, faulty heating elements, burner problems, refrigerant leaks (specifically in heat pumps), thermostat issues, electrical failures, and leaky ductwork. If warm air isn’t evenly distributed throughout your home, contact us. We’ll find the underlying problem.

What heating systems does Freon repair?

We at Freon repair gas and electric furnaces, heat pumps, ductless mini-splits, and more. We can also repair digital and manual thermostat control systems.

Is your heating unit not mentioned here? Call us, and we’ll let you know whether we can offer you heater repair in San Jose.

Should I repair or replace my heating system?

If your unit is over 15 years old, requires frequent repairs, or has compromised safety, replacing your heating system is a better option. You should definitely not use the system if there are burning smells or gas odors.

If you’re not experiencing any of the above, heating repair in San Jose is more cost-effective.

What happens during a heating-system diagnostic?

To pinpoint the cause of the performance issue, our tech will inspect the heating components, conduct electrical testing, check the safety controls, verify the thermostat’s signals, and perform airflow testing. This way, our diagnostics will catch minor issues before they turn into a complete system failure.

How quickly can heating service be scheduled?

This depends on our availability, your location, and the type of issue. We offer priority service for emergency repairs. Contact us at Freon to check our earliest available appointment. Our team will respond quickly to restore your comfort.

Should I keep using a heater that makes unusual noises or smells?

No. Persistent noises (especially banging sounds), burning odors, or gas smells signal a potential mechanical or electrical hazard, which is a safety issue. If you notice any of these symptoms, turn off your system immediately and call us right away.

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