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Last Updated: February 25, 2025
On average, Americans devote 55% of their energy usage to heating and cooling their home, according to the Department of Energy. Energy costs in Centennial tend to be higher than in some other places, meaning that you'd probably like to save money on your bill.
We've put together this guide to Centennial's top HVAC companies to help you find the right person for your job and get your system into top shape.

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

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

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

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

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

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

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

Our Rating
User Rating
Prompt service delivery
Free quote
Reliable customer support
Clear pricing policy
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:
A malfunctioning or aging HVAC system probably needs professional attention from a technician who can make fixes or install a new unit. Look out for these common signs that your HVAC needs service:
Book an inspection if you notice any of these problems. A local technician can inspect your system, identify problems, and figure out whether you need repairs or a new HVAC unit.
What you pay for HVAC installation or maintenance is determined by your system type. Common HVAC unit styles include the following:
The amount you spend on HVAC maintenance also varies depending on the kind of work being done. HVAC systems are complicated and can require different kinds of maintenance. The prices of some common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $2,000-$5,099 | |
| Hybrid Split | $4,053-$7,467 | |
| Heat Pump | $3,138-$31,976 | |
| Packaged Heating and Air | $263-$438 |
Taking care of necessary HVAC repairs and replacements when needed is crucial, but can be expensive. Thankfully, there are steps you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $66-$175 | |
| Condensor Cleaning | $1,313-$3,939 | |
| Thermostat Repair | $88-$219 | |
| Ductwork Cleaning | $420-$1,050 |
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 fix your system, providing you with effective heating and cooling in your home.
Contact at least three HVAC providers for quotes. Explain the issues and have specialists visit to inspect your HVAC system if possible. Compare the companies' explanations, solutions, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand payment upfront.
It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific 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 at the state level.
There are no state-level licensing requirements for HVAC technicians in Colorado; however, anyone who runs an HVAC business is required to have a Colorado business license, as well as insurance. You should check with your municipal government to learn if there are any local licensing requirements for HVAC contractors. Any contractors who do plumbing or electrical work in addition to HVAC work must be registered with the State Plumbing Board or the Colorado Electrical Board, respectively. You should also read reviews and complaints on sites like Google Reviews, the Better Business Bureau (BBB), and Yelp. Pick a company with glowing reviews and reports of fantastic customer experiences.
Always make sure you know the details of any project. For HVAC repairs, your provider should specify which parts require replacement and why. Confirm that your technician will clean and test the system after repairs are finished to ensure that it’s working properly. When replacing your HVAC, request that the company explain the new estimated installation time, brand, model, features, and energy efficiency. Before signing a contract, make sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.
A trustworthy HVAC company will back its repair services and installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully review warranty terms for each contractor and choose the company that provides the greatest protection within your budget.
Always get HVAC quotes in writing before work begins. A detailed quote will cover costs for both materials and labor. Confirm that you agree to all terms before signing the contract.
Typically, you should have your HVAC system inspected twice a year. After that inspection, your technician will tell you what services are required. You should also have an inspection if you start to notice any issues, like leaks, unusual smells, or strange noises. 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 tend to be less busy during these times, making it easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally gets the most use.
You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at a time. You may also consider installing a smart thermostat.
It takes between one and three days to have your HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take anywhere from a few hours up to two days. This timeline will be affected by the size of your house, the accessibility of your system, and any issues your technician discovers.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. 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 should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Usually, HVAC financing is through a third-party lender. If your HVAC company doesn't have financing options, you might consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to learn what options are available and appropriate for your situation.
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