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Last Updated: February 25, 2025
On average, 55% of energy use in American homes goes toward heating and cooling, according to the Department of Energy. It's important that the temperature control systems in your Irvine home are functioning properly, so you can avoid spending more than necessary.
Our list of the top HVAC companies in Irvine can help you get your system into top shape, allowing you to save money while staying comfortable.

Our Rating
User Rating
Prompt service delivery
Free quotes
Clear pricing policy
Informative resources
Reliable customer support
Services Offered

Our Rating
User Rating
Informative resources
Clear pricing policy
Reliable customer support
Free quotes
Services Offered

Our Rating
User Rating
Reliable customer support
Free quotes
Informative resources
Prompt service delivery
Services Offered

Our Rating
User Rating
Clear pricing policy
Reliable customer support
Informative resources
Services Offered

Our Rating
User Rating
Reliable customer support
Free quotes
Informative resources
Clear pricing policy
Services Offered

Our Rating
User Rating
Reliable customer support
Informative resources
Prompt service delivery
Free quotes
Services Offered

Our Rating
User Rating
Services Offered

Our Rating
User Rating
Clear pricing policy
Free quotes
Prompt service delivery
Informative resources
Reliable customer support
Services Offered

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Informative resources
Free quotes
Services Offered

Our Rating
User Rating
Informative resources
Reliable customer support
Clear pricing policy
Services Offered
Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:
An HVAC system that's broken or past its lifespan likely needs professional attention for repairs or replacement. Watch for these indicators that your system needs service:
These HVAC red flags indicate that you should have your system evaluated. A local provider can complete an inspection, diagnose problems, and advise you whether you should repair or replace your HVAC unit.
What you pay for HVAC installation or maintenance is determined by your system type. Common HVAC unit styles include the following:
HVAC maintenance prices differ depending on the particular service needed. HVAC systems are complex and might require different maintenance services. Prices for common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $2,035-$5,187 | |
| Hybrid Split | $4,123-$7,596 | |
| Heat Pump | $3,193-$32,531 | |
| Packaged Heating and Air | $267-$445 |
It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Luckily, there are some steps you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $67-$178 | |
| Condensor Cleaning | $1,336-$4,007 | |
| Thermostat Repair | $89-$223 | |
| Ductwork Cleaning | $427-$1,069 |
Knowing what to look for in an HVAC company is important for a successful project. Look for an experienced, licensed contractor that can give you peace of mind and make sure your system provides reliable heating and air conditioning for your home.
Get quotes from three or more HVAC contractors. Describe your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid providers that pressure you or demand payment before work.
Choose an HVAC company with skilled technicians who have appropriate licensing and experience. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled by the state.
In California, HVAC contractors must be licensed by the Department of Consumer Affairs Contractors State License Board (CSLB). HVAC contractors are considered specialty contractors by the CSLB. All contractors must have four years of experience and be bonded. Contractors with employees must also meet insurance requirements. You should also check a company's reviews and complaints on sites such as Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with positive feedback and good customer testimonials.
Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to specify which parts need replacement and explain why. Confirm that your technician will clean and test the full system after finishing the work to verify proper operation. For replacement, ask the contractor to explain the new HVAC system features, estimated installation time, model, brand, and energy efficiency. Before starting the project, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
A trustworthy HVAC company will stand behind its repair work and installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully review the fine print for each contractor and choose the company that provides the most protection within your budget.
Always get quotes for HVAC service in writing before committing to a provider. An itemized quote should cover both materials and labor. Make sure you understand all terms before signing a contract.
You should have your HVAC system inspected about twice a year. At the time of the inspection, your technician will tell you what services are required. You should also schedule an inspection if you start noticing issues such as strange noises, unusual smells, or leaks. If your home has ductwork, it should be inspected every few years.
Generally, it's smart to have your HVAC system inspected in the spring and fall, as these times tend to be less busy. This also helps get your system ready for the summer and winter, when it typically sees the most use.
You can save energy during the summer by reducing the amount of power your HVAC system uses to keep your home cool. Set your thermostat as close to the outside temperature as you can, and try to avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any leaks around your doors and windows to help keep cool air in. Similarly, ensure that your attic is well ventilated to avoid trapping excess heat in your home.
Generally, whole-system HVAC installation or replacement takes between one and three days. Installing or replacing a furnace or air conditioning unit takes anywhere from about half a day up to two days. The exact amount of time will depend on things like how large your home is, how easily accessible different areas are, and whether your technician discovers any problems.
For a 2,000-square-foot home, look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Irvine, you may be able to make do with a furnace on the lower end of this range.
For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with between 2.5 and 5 tons of capacity. In Irvine, you'll likely look for a unit on the higher end of this range. Usually, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.
Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer these options, you could consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to find out what options are available to you and appropriate for your situation.
There are a number of ways you can make your HVAC system more energy-efficient:
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