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Last Updated: February 25, 2025
On average, American homeowners devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. With Greeley's higher cost of living, you're probably eager to reduce your energy bills.
Use our guide to the top HVAC companies in Greeley to find the best one for you and your home. Our topic contractors can help you reduce your bills while still staying comfortable.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Informative resources
Clear pricing policy
Reliable customer support
Free quotes
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An HVAC system that's broken or outdated likely needs professional attention for maintenance or replacement. Watch for these signals that your system needs service:
If you're experiencing any of these HVAC issues, have a technician inspect your system. A local professional can identify problems and let you know whether whether repairing or getting a new HVAC unit is the best solution.
Your HVAC installation or maintenance cost changes depending on the type of unit. Common HVAC unit varieties include the following:
HVAC costs differ based on the work needed. HVAC systems are complicated and may need multiple types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,884-$4,804 | |
| Hybrid Split | $3,818-$7,034 | |
| Heat Pump | $2,956-$30,125 | |
| Packaged Heating and Air | $247-$412 |
It’s important to make any essential HVAC fixes or replacements as needed, though they can be expensive. The good news is that homeowners have ways to minimize progressive deterioration and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $62-$165 | |
| Condensor Cleaning | $1,237-$3,711 | |
| Thermostat Repair | $82-$206 | |
| Ductwork Cleaning | $396-$990 |
Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent coolig and heating year-round.
Request estimates from at least three HVAC contractors. Describe your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid companies 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, a contractor must pass an exam (the type of exam depends on the 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 on a state-by-state basis.
The state of Colorado doesn't have state-level HVAC contractor licensing requirements; however, anyone who runs an HVAC business is required to have a Colorado business license, plus insurance. You may want to check with your municipal government to learn if there are local licensing requirements for HVAC contractors. Additionally, contractors that do electrical or plumbing work in addition to HVAC work must be registered with the State Plumbing Board or the Colorado Electrical Board, respectively. 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 understand what a company’s process is like. When HVAC repairs are needed, ask your provider to specify which parts require replacement and explain why. Confirm that your technician will clean and test your system afterward to guarantee proper operation. When replacing your HVAC system, ask the contractor to provide details on the new features, energy efficiency, model, brand, and estimated installation time. Before signing a contract, make sure you understand the process your provider will use to select the correctly sized system for your home and what the cost will be.
Reliable HVAC companies offer warranties on repairs and equipment installations. The more complete the coverage, the better. Review warranty details between companies and pick the one that offers the best protection for a fair price.
Get a written estimate before HVAC work begins. A comprehensive quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.
Normally, 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 call a technician if you start to notice any issues, like unusual smells, leaks, or strange noises. If your home has ductwork, it should be serviced every few years.
The best times of the year to have an HVAC inspection are during the spring and fall. Technicians tend to be less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, when it typically sees 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 you can, and avoid making drastic changes — adjust it only a few degrees at once. You could also consider a smart thermostat.
Generally, HVAC installation or replacement takes one to three days for the entire system. Installing or replacing a furnace or air conditioning unit can take as little as half a day or as much as two days. The exact amount of time will be based on factors like the size of your house, how easily accessible different sections are, and whether your technician discovers any problems.
For a 2,000-square-foot home, you should look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units).
For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with around 2.5 to 5 tons of capacity. In general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
Normally, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer these options, you may consider taking out your own loan. Be sure to talk to your HVAC company and a financial advisor 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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