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Last Updated: February 25, 2025
If you're like the average American, over half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. Nogales' hot summer weather probably mean that your energy bill is higher during the warmer months. The average resident spends $110 a month cooling their home.
We've assembled this guide to Nogales' top HVAC companies to help you find the right person for your job and get your system into top shape.

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

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

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

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

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Services Offered

Our Rating
User Rating
Prompt service delivery
Free quote
Clear pricing policy
Reliable customer support
Informative resources
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:
If your home's HVAC system is malfunctioning or suffering from a lot of wear and tear, you may need to hire an HVAC contractor for repairs or replacement. Look for these common indicators that your system requires expert attention:
These HVAC red flags indicate that you should have your system evaluated. A local provider can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
HVAC installation or maintenance costs vary depending on your system. Common HVAC unit varieties include the following:
HVAC maintenance prices differ based on the specific services required. HVAC systems can be complex and potentially require a number of services. Fees for typical jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,954-$4,982 | |
| Hybrid Split | $3,960-$7,295 | |
| Heat Pump | $3,066-$31,241 | |
| Packaged Heating and Air | $257-$428 |
Essential HVAC maintenance is important, but can be expensive. Luckily, homeowners can take steps to reduce wear and tear on their system and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $64-$171 | |
| Condensor Cleaning | $1,283-$3,849 | |
| Thermostat Repair | $86-$214 | |
| Ductwork Cleaning | $411-$1,026 |
Knowing the indicators of a good HVAC company is important. Working with a contractor that's properly licensed and highly experienced will give you confidence that they can keep your system running efficiently, providing you with effective heating and cooling for your home.
Contact at least three HVAC companies for quotes. Describe the issues and have specialists visit to inspect your system if possible. Compare the providers' explanations, solutions, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand payment upfront.
When selecting an HVAC company, choose one with technicians that have the proper training, licenses, and experience. In all states, HVAC contractors must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.
HVAC contractors in Arizona may possess one of several types of specialty residential or dual contractor licenses from the Arizona Registrar of Contractors, depending on which HVAC components they work on. Generally, contractors must have four years of hands-on experience in order to apply for a license, and they also must be bonded. You should also check reviews and complaints on sites like Google Reviews, Yelp, and the Better Business Bureau (BBB). Pick a company with glowing reviews and testimonials about good customer experiences.
Make sure you know the details of any project before starting. When getting HVAC repairs, have your provider detail which parts require replacement and why. Get confirmation that your technician will clean and test the entire system after the repair to verify that everything works. When replacing your HVAC, ask the contractor to describe the new features, brand, model, energy efficiency, and estimated installation time. Before signing a contract, ask about the process your provider will use to properly size the new system for your home and how much it will cost.
A reputable HVAC company will stand behind its repair services and equipment installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully review warranty terms for each contractor and choose the company that provides the greatest protection at a reasonable price.
Always get quotes for HVAC service in writing before work begins. A detailed quote should cover both materials and labor. Make sure you agree to all terms before signing a contract.
Normally, you should have your HVAC system inspected twice a year. After an inspection, your technician will tell you what services are required. You should also have an inspection if you notice any new issues, like strange noises, leaks, or unusual smells. If you have ductwork in your home, it should be serviced every few years.
The best times to have an HVAC inspection are the spring and fall. Technicians are less busy during these times, which makes it easier to get an appointment. This also helps get your system ready for the summer and winter, which is when it normally sees the most use.
You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Keep your thermostat temperature as close to the outside temperature as you comfortably can, and try to avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any door or window leaks to help keep cool air in. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.
It takes around one to three days to have an HVAC system installed or replaced. If you only need a furnace or a single air conditioning unit, this might take anywhere from a few hours up to two days. This timeline will be affected by the size of your house, how easily accessible your system is, and any new issues your technician discovers.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Nogales, you'll probably want to explore units on the higher end of this range. For a house over 1,000 square feet, central air will usually be more effective than window units for cooling.
For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In Nogales, you might be able to make do with a lower-capacity furnace.
Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer these options, you may consider taking out a loan on your own. Be sure to speak with your HVAC company and a financial advisor to find out what options are available and appropriate for your situation.
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