HVAC Replacement in Simi Valley, CA
Need HVAC replacement in Simi Valley, CA for a failing system? Air Force Air Conditioning & Heating replaces HVAC systems for homeowners and property managers. We provide pricing in writing before work starts.



Simi Valley HVAC Replacement for Homes and Businesses
HVAC replacement in Simi Valley is available for homes and small businesses. Indoor and outdoor units are matched to ensure the system runs properly.
We review the space for equipment, pipes, and wiring, and check the breaker panel to make sure it can support the new system.
On install day, power and gas are safely shut off, then everything is reconnected properly. The thermostat is set up and tested, and both heating and cooling are tested before the job is completed. A quick walkthrough covers the controls, filter care, and next steps.
HVAC Replacement Services Near Me
Looking for HVAC replacement near you in Simi Valley? We serve homes and small businesses in the 93065 area. When you call, you receive an arrival window and a quick update.
Call 805-409-9010 to schedule a visit. We offer times that work for home and business schedules.

When to Replace an HVAC System Instead of Repair
Replace your system when frequent repairs are needed or it cannot hold the set temperature. A sudden increase in energy bills is another warning sign, and hot and cold rooms that return often can indicate the system is not functioning properly.
Safety signs matter too. If the unit shuts off repeatedly or you smell burning, stop using it and call for service. If you smell gas, leave the home immediately and call for inspection.
After the inspection, you will receive clear prices for both repair and replacement. If a repair is possible, you will know that. If not, replacement is the safer choice.
Here's what our satisfied customers are saying...
Posted on Jim DepskyTrustindex verifies that the original source of the review is Google. We were very happy with the entire experience of hiring this company to replace our HVAC system. It took us a long time to decide on which contractor to use, and I really pestered these folks with many phone calls and questions. I was equally impressed with their depth of knowledge, their patience with my inquiries, the professionalism and care displayed during the installation, and the reasonable price.Posted on V. H.Trustindex verifies that the original source of the review is Google. If you’re looking for the smoothest experience with purchasing an AC unit/s, Air Force AC & Heating is the one to hire. The best service and honest pricing hands down! Jason, who came out to give me an estimate was so friendly, patient, and very knowledgeable. He gave us a quote on the costs for repairs vs replacement. After he diagnosed our equipments, he was honest that our units were reparable and a replacement was not at all necessary. Since our units were 24 yo, we decided to go a head and replace both units. We were outstandingly surprised with their pricing. Another company quoted us $40K to replace both units, AFAC & Heating ended up costing us $23K. Jesse, the owner and an Air Force veteran, was all hands on and so transparent and thorough with explaining their products. He took the time following up making sure we were being taken care of during the whole process. His crew was very courteous, pet friendly, and hardworking. They prepared our floors for their foot traffic and took the time to clean up. Thank you Air Force & Heating! We will definitely be referring your services!Posted on Mike RubinTrustindex verifies that the original source of the review is Google. I interviewed five or six hvac, guys, and jesse came out the winner. He's honest reasonable, that explains everything. the system he installed makes my large house ice cold, and I would highly recommend him.Posted on Viet TranTrustindex verifies that the original source of the review is Google. Thank you to Jason, the technician who diagnosed our system, and Jesse and his team who performed the installation of a new furnace and condenser unit. They were friendly, responsive, and professional from start to finish. I highly recommend Air Force AC for your HVAC needs.Posted on Val DoranTrustindex verifies that the original source of the review is Google. Jesse Porter and his team are outstanding. Team members are caring, courteous and professional which is an indication of Jesse’s management. I highly recommend Air Force and have already recommended them to many who have used their services.Posted on Sidney TanTrustindex verifies that the original source of the review is Google. I called Air Force for a 2nd opinion on my AC that has stopped working. The first quote was for $14K which included a new HVAC system. I thought that was way too much. So, I called Air Force and Jesse answered my call and was so informative and knowledgeable. So, he sent Jason to come by. Jason did a very thorough job diagnosing the issue and found the problem. He fixed it and it cost me around $750. WOW! The other company was trying to sell me something I didn't need. If you want an honest company that does a great job, call Air Force. Thanks Jesse and Jason.Posted on Jaylin TaylorTrustindex verifies that the original source of the review is Google. Mike was very nice over the phone and when he arrived he was very nice in person my flame sensor was bad he made sure it was working before he left my home thank youPosted on Raymond GiragosianTrustindex verifies that the original source of the review is Google. Jesse provided outstanding service once again… less than two years ago, I had Air Force Air Conditioning company to install a brand-new AC unit for me, twenty days before the labor and part warranty was going to expire, in early July/2024, the new unit’s compressor died … as soon as I contacted Air Force Air Conditioning Co. , Jaime one of the top technicians to visited my unit and concluded need a brand-new compressor. A day later, I wan in touch with Jesse, the owner, and he told me the manufacturer does not have any new compressor in stock and it will take about 20+ days for them to acquire that part, and as soon as manufacturer obtains and ships that part, Air Force Air Conditioning Co. will be able to replace my broken compressor. After 20 days, Jesse contacted me and said the manufacture has not been successful in acquiring the new part and Jesse has escalated the matter to the management of the manufacturer and he has convinced them to ship another identical brand-new AC unit instead…. Very next day Jesse sent the team, and they installed that brand-new unit for me, all under warranty… I was very grateful for Jesse’s outstanding support and service… I have been working with Jesse and the team for over 4 years now, and they have always delivered outstanding service….one key point that I am attempting to make here is Jesse is a genuinely good and caring individual, and you can rely on his commitments, and that is something hard to find these days, in my opinion. When you come across some bad luck situations, like I did, partnering and working with a business professional that has high ethical values and qualities is priceless, in my opinion. And that is what I have seen through the years from Jesse and his team, and I am truly grateful for the value they have delivered. ----------------------------------------------------------------------------------------- this is my review from 2023....Great service, always. This company installed 2 units for me over the past 3 years. Always get a reliable service. The owner, Jesse, is personally involved and caring. Jesse communicates clearly and honestly; you know what to expect. His team, Jason, and Jaime, are very knowledgeable, professional, and caring. Highly recommend this firm's service.Posted on Terry HoffmanTrustindex verifies that the original source of the review is Google. Excellent and Thorough Job Beginning to End. Jesse explains everything clearly. It all went smoothly.
Benefits of HVAC Replacement in Simi Valley
A new HVAC system can keep your home at an even temperature, run more efficiently, and require fewer repairs. You may see lower energy bills, and the thermostat can be easier to use and simpler to schedule.
Reliable heating and cooling
A new system starts and runs properly, heating and cooling without regular issues, helping your home stay comfortable day and night.
Even room temperatures
Replacement can fix rooms that feel too hot or too cold. Duct issues and weak airflow are checked during planning to improve air movement throughout the property.
A newer thermostat can be simpler to adjust. Many models allow you to set a daily schedule, so constant adjustments are unnecessary.
Lower repair costs
Older systems often need repeated repairs. A new system reduces emergency repair calls, making costs easier to plan.
Safer, dependable operation
Safety controls are tested during setup. Gas systems require proper venting. If you smell gas or burning, stop the system and call for help.
When Should You Schedule HVAC Replacement in Simi Valley?
Two things determine timing: the condition of your current system, and the time of year.
- Condition-based timing: schedule replacement as soon as you notice frequent repairs, a sudden jump in energy bills, uneven heating or cooling, or a system approaching 10–15 years old – waiting for full failure removes your ability to plan.
- Season-based timing: booking in spring or fall, ahead of peak summer cooling or winter heating demand, typically means more available install dates and no emergency-service pricing.
- Safety-based timing: if the system shuts off repeatedly, smells of burning, or shows signs of a gas leak, schedule replacement immediately and stop using the system until it’s inspected.
HVAC Replacement Options for Homes and Businesses
Replacement options depend on what needs to be replaced. A complete replacement involves both indoor and outdoor units so they work together. Some homes replace only the AC or only the furnace, but the parts may not work optimally together.
Heat pumps are another option because they provide heating and cooling in a single system. Many businesses use rooftop units installed in a single cabinet. Before installation, we check access and schedule a time that works for your business.
HVAC Equipment We Replace for Residential and Commercial Properties
HVAC replacement is available for homes and small businesses, including shops and offices. We install the right equipment, connect it safely, and make sure it runs properly. Airflow, wiring, and thermostat settings are checked throughout the process. A quick walkthrough is provided after completion.

Central Air Conditioners
Replacement ensures the outdoor unit and indoor coil work together. The old unit is removed, the new unit is installed, and connections are secured. Cooling is tested at the vents and thermostat.
Furnaces (Gas and Electric)
Power or gas is shut off, the old furnace is removed, and the new one is installed. Gas furnaces have venting checked and heat tested before completion.
Heat Pumps
Heat pumps handle heating and cooling in a single system. Thermostat setup ensures proper switching between heat and cooling. Heating, cooling, and airflow are tested.
Rooftop Units
Common for businesses. After replacement, heating and cooling are tested, and work is scheduled around business hours.
Ductless Mini Split Systems
Work well in rooms without ducts. Each indoor unit connects to the outdoor unit and can be set individually. Every unit is tested to ensure proper heating and cooling.
Air Handlers and Indoor Coils
Coils affect airflow. The coil must fit the outdoor unit, and the drain line must flow correctly. Airflow at vents is checked to prevent leaks.
Thermostats and Controls
Thermostat upgrades simplify temperature control. Wiring is checked, schedules can be added, and system functionality is tested.
Ductwork Repairs and Ventilation Support
Duct issues can limit system performance. Leaks, loose vents, and blocked returns are addressed, with clear options provided for airflow improvement.
What Is Included in Our HVAC Replacement Service

HVAC replacement includes everything from removing your old system to testing the new one. The work area remains clean and safe, and you see a written plan before work begins.
We connect wiring, cooling lines, and the drain line as needed. Gas heat venting is checked, and the system is started safely. The thermostat is set up, airflow is checked, and heating and cooling are tested. A walkthrough and time for questions are provided.
- Remove old equipment and clear the area
- Set the new unit in place
- Connect the wiring and check the power
- Connect cooling lines and check for leaks
- Check gas lines and venting
- Set the drain line and test the flow
- Install the thermostat and set the temperature
- Run the system and test heating/cooling
- Clean up and review next steps
Our HVAC Replacement Process
We check system size, duct airflow, and your breaker panel. A written quote is provided before work begins. On install day, we replace equipment, test heating and cooling, and show you how to use the thermostat.
Schedule a visit and explain the issue
We check sizing, ducts, and the breaker panel
Receive a written quote before work begins
Old equipment is removed, and new system installed
Heating, cooling, and airflow are tested
Quick walkthrough, filter tips, and next steps
Startup Testing and Final System Checks
Final checks ensure the system heats and cools properly. Airflow and temperature at vents are checked. The thermostat is tested for proper operation. Safety shut-off components are also tested.
The system is monitored for unusual sounds, and the drain line is checked to ensure proper flow. You receive a walkthrough and short checklist before we leave.
Permits and Inspections for HVAC Replacement in Simi Valley
Permits confirm HVAC replacement complies with local safety rules. Simi Valley posts online instructions for HVAC permits, including ductwork. Keep permit papers for future repairs or home sales.
Forms request basic equipment details like system type and model. Inspection requests go through the City’s online system. Clear access helps the inspector check the work and approve it.
Warranties and Support After HVAC Replacement
New systems come with a manufacturer’s warranty. Keep model numbers, serial numbers, manuals, and invoices together. Some brands require registration, and our team can assist.
If rooms feel too warm, too cold, or uneven after replacement, call our office. Our technicians will check vent airflow, thermostat settings, and system operation. Property managers can request service notes for building files.
Trusted NATE Certified HVAC Technicians for Replacement
Air Force Air Conditioning & Heating sends NATE-certified technicians for HVAC replacement in Simi Valley. The company is licensed in California (CSLB #998040), ensuring you work with a licensed contractor.
You receive a clear explanation of what is replaced and what remains. Floors and nearby areas are protected during installation. Model and serial numbers are added to your service file, and property managers can request job notes for records.
Brands We Repair






Why Choose Air Force Air Conditioning & Heating for HVAC Replacement
Choosing the right HVAC replacement company matters. With Air Force AC & Heating in Simi Valley, you get:
- California licensed contractor (CSLB #998040)
- HVAC replacement for homes and small businesses
- Written pricing with line-by-line items
- No work starts until you approve the quote
- Clear install-day plan: what comes out, what goes in, what stays

Areas We Serve Near Simi Valley
HVAC replacement is available in Simi Valley and nearby cities. Call to confirm appointment times.
- Moorpark
- Thousand Oaks
- Camarillo
- Westlake Village
- Newbury Park
- Agoura Hills
- Calabasas
- Woodland Hills
- Encino
- Reseda
- Northridge
Request HVAC Replacement Options in Simi Valley
Request HVAC replacement in Simi Valley when your system is old, fails regularly, or does not heat or cool properly. Share system age and main issues. Correct unit size, duct airflow, and electrical capacity are checked. You receive written details and clear next steps. Call 805-409-9010 for the next available appointment.
Explore Our Other Services
Frequently Asked Questions
How long does HVAC replacement take for a home in Simi Valley?
Replacement usually takes one day for many homes. Ductwork or electrical changes may add time. An arrival window is provided before work starts.
Should I replace both the AC and furnace at the same time?
Replacing both ensures the system remains matched. Replacing only one part may reduce efficiency or cause fit issues with the indoor coil and controls. Written options are provided to compare.
Can you replace only the outdoor unit or only the indoor unit?
It depends on the system. The indoor coil and outdoor condenser must match for proper operation. System age, refrigerant type, and condition of the other unit guide the choice.
Do I need ductwork changes for a new HVAC system?
Not always. Existing ducts can remain and still improve performance. Leaks, undersized ducts, or weak return vents may limit results.
How do you choose the right HVAC size for my home?
California law requires CSLB licensing for commercial HVAC work. Licensed contractors carry required insurance and bonds. Permit applications and inspections require license verification. Our License Number 998040 confirms legal operation and professional qualifications.
Do you handle permits and inspections for replacement in Simi Valley?
Some replacements require mechanical permits and city inspections. Equipment details are provided for paperwork, and inspection scheduling is explained before work begins.
What should I do to prepare my home before replacement day?
Park cars away from the work area and keep a clear path to the equipment. Secure pets and keep children away from the work zone. Ensure the thermostat, indoor unit, and electrical panel are easily accessible.
When should I schedule HVAC replacement in Simi Valley?
Schedule replacement as soon as you notice frequent repairs, rising energy bills, or a system nearing 10–15 years old – ideally in spring or fall before peak cooling or heating season. Scheduling ahead of a full breakdown avoids emergency rates and gives you more flexibility on installation dates and equipment options.
How far in advance should I book HVAC replacement in Simi Valley?
If your current system is showing warning signs, book a consultation as soon as possible. Off-season scheduling (spring or fall) typically offers more available install dates than peak summer or winter, when HVAC companies are busiest with emergency repairs.