10 Best HVAC Companies in Greenwood Village, CO

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Last Updated: February 25, 2025

According to the Department of Energy, about 55% of the energy used in American homes is used for heating and cooling. In Greenwood Village, you're probably looking to reduce this energy expense and save money.

Our guide to Greenwood Village's top HVAC companies can help you get your system into its best shape ever, allowing you to save money while staying comfortable.

Top 10 Best HVAC Companies in Greenwood Village

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KJ Thomas Mechanical

KJ Thomas Mechanical Logo

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User Rating

6175 Trevarton Dr, Longmont, CO 80503 (303) 435-8141 kjthomasmechanical.com

Free quotes

Clear pricing policy

Informative resources

Reliable customer support

Prompt service delivery

Services Offered

Maintenance
Inspection
Smart home integration
Indoor air quality
Radiant heating
Ac installation
Furnace repair
Furnace installation
Ventilation
Boiler installation
Boiler repair
Ductless
Duct cleaning
Filtration

MileHi HVAC Contractor Denver

MileHi HVAC Contractor Denver Logo

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User Rating

4885 S Broadway, Englewood, CO 80113 (720) 770-0055 milehihvac.com

Clear pricing policy

Informative resources

Reliable customer support

Free quotes

Services Offered

Maintenance
Inspection
Emergency services
Ac repair
Indoor air quality
Furnace installation
Ventilation
Ac installation
Furnace repair
Ductless
Filtration
Duct cleaning
Boiler installation

Controlling Systems

Controlling Systems Logo

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User Rating

7000 N Broadway #1-106, Denver, CO 80221 (720) 445-8906 controllingsystemsco.com

Clear pricing policy

Prompt service delivery

Free quotes

Informative resources

Services Offered

Furnace installation
Emergency services
Furnace repair
Radiant heating
Ventilation
Ac installation
Filtration
Smart home integration
Boiler installation
Indoor air quality
Maintenance
Ductless
Boiler repair
Ac repair

Sanders and Johnson Heating and Cooling

Sanders and Johnson Heating and Cooling Logo

Our Rating

User Rating

7100 Broadway #7K, Denver, CO 80221 (720) 594-2176 sandersandjohnson.com

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Filtration
Inspection
Ductless
Boiler installation
Ac installation
Indoor air quality
Ac repair
Furnace repair
Emergency services
Maintenance
Furnace installation
Boiler repair

Now Heating and Air

Now Heating and Air Logo

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User Rating

8661 Rosemary St, Commerce City, CO 80022 (303) 287-8000 nowha.com

Clear pricing policy

Free quotes

Reliable customer support

Prompt service delivery

Informative resources

Services Offered

Ac installation
Duct cleaning
Ductless
Inspection
Furnace repair
Ac repair
Maintenance
Boiler repair
Indoor air quality
Furnace installation
Boiler installation
Emergency services

Elkhorn Heating & Air Conditioning, Inc./Elkhorn Electric, Inc.

Elkhorn Heating & Air Conditioning, Inc./Elkhorn Electric, Inc. Logo

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User Rating

3869 Norwood Dr #9, Littleton, CO 80125 (720) 615-0098 myelkhorn.com

Reliable customer support

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

Furnace repair
Smart home integration
Ac installation
Maintenance
Emergency services
Boiler installation
Ductless
Furnace installation
Filtration
Ac repair
Indoor air quality
Inspection

Steel T

Steel T Logo

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User Rating

2750 S Shoshone St, Englewood, CO 80110 (303) 761-9276 steelt.com

Informative resources

Clear pricing policy

Prompt service delivery

Free quotes

Reliable customer support

Services Offered

Furnace repair
Maintenance
Ac repair
Emergency services
Ac installation
Ductless
Inspection
Ventilation
Filtration
Furnace installation
Indoor air quality

D.N.I. Heating-Cooling-Refrigeration-Plumbing

D.N.I. Heating-Cooling-Refrigeration-Plumbing Logo

Our Rating

User Rating

14196 Co Rd 7, Mead, CO 80542 (720) 868-5291 dniheating.com

Informative resources

Clear pricing policy

Reliable customer support

Free quotes

Services Offered

Ac installation
Indoor air quality
Furnace installation
Radiant heating
Emergency services
Ductless
Furnace repair
Boiler installation
Inspection
Maintenance
Ac repair
Smart home integration
Filtration

WireNut Home Services

WireNut Home Services Logo

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User Rating

4901 E Dry Creek Rd Suite 290, Centennial, CO 80122 (303) 731-1966 thewirenut.com

Reliable customer support

Informative resources

Free quotes

Clear pricing policy

Services Offered

Ac installation
Maintenance
Ac repair
Ductless
Emergency services
Duct cleaning
Boiler repair
Filtration
Inspection
Furnace repair
Boiler installation
Furnace installation

One Source Home Service

One Source Home Service Logo

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User Rating

2410 Vintage Dr, Colorado Springs, CO 80920 (719) 299-2740 onesourcehomeservice.com

Informative resources

Free quote

Reliable customer support

Clear pricing policy

Prompt service delivery

Services Offered

Furnace repair
Emergency services
Furnace installation
Ductless
Indoor air quality
Duct cleaning
Ac repair
Maintenance
Boiler installation
Ac installation
Boiler repair
Today's Homeowner Ranking Methodology

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:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

An HVAC system that's broken or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these indicators that your system needs service:

  • Refrigerant leaks
  • Poor air circulation or uneven heating/cooling
  • Strange noises when turning on
  • Unusually high energy bills
  • Rust, cracking, or corrosion
  • Frequent breakdowns and need for repairs
  • Thermostat malfunctions or temperature control issues
  • An HVAC system that's over 15 years old

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and let you know whether repair or full HVAC replacement is the better solution.

Cost of HVAC Installation and Maintenance in Greenwood Village

HVAC installation or maintenance costs vary depending on your system. Common HVAC unit varieties include the following:

  • Split or mini-split: If your home doesn't have the right ductwork for central air or heating, you probably have a split HVAC system. Split or mini-split systems consist of indoor units that regulate the temperature in individual rooms, and that are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but has the capacity to draw on either electricity or gas as energy sources.
  • Heat pump: Heat pumps work by circulating warm and cool air between your home and the outdoors. These systems don't generate heat or air conditioning themselves, and are better for more moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller houses. They have a single cooling and heating unit, typically in a basement or attic. This unit is often compact, energy-efficient, and easy to maintain.

HVAC maintenance prices vary based on the specific services needed. HVAC systems can be complex and potentially require several different services. Fees for typical jobs are as follows:

HVAC Unit TypeCost
Split$2,052-$5,231
Hybrid Split$4,158-$7,660
Heat Pump$3,219-$32,805
Packaged Heating and Air$269-$449

Ways to Save Money on HVAC Costs

Essential HVAC maintenance is important, but can be expensive. Fortunately, there are steps homeowners can take to reduce wear and tear on their HVAC and lower future maintenance needs.

  • Monitor for potential problems. Monitoring your system for problems — for example, by checking your thermostat and energy bills routinely — helps you get ahead of problems before they get too expensive.
  • Change filters regularly. Replacing your air filters or washing them every 1–3 months allows smooth air circulation through your HVAC system. You should also try to keep debris from accumulating on the external parts of your HVAC.
  • Keep your system clean. Keeping your condenser fan blades, indoor evaporator coil, ductwork, and grills clean helps your HVAC system function properly and lowers the risk of mold. The National Air Duct Cleaners Association recommends cleaning your home's HVAC system when you notice things starting to get dirty.
  • Change the position of your blinds seasonally. During winter, leaving your blinds open allows your home to benefit from passive solar heating. In the summer, keeping your blinds shut helps to block out heat. Doing both helps minimize the amount of work your HVAC system is required to do.
ServiceCost
Filter Replacement$67-$180
Condensor Cleaning$1,347-$4,041
Thermostat Repair$90-$225
Ductwork Cleaning$431-$1,078

How To Choose a Local HVAC Company

Knowing the right things to look for in an HVAC company is key for a smooth repair or installation. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent heating and cooling year-round.

Compare Multiple Bids

Get quotes from at least three HVAC providers. Explain your issues and ask if specialists can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid contractors that pressure you or demand payment before work.

Check Credentials

Look for an HVAC company that employs skilled technicians with the necessary training and licenses. In all states, HVAC contractors need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for any individual who helps "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 on a state-by-state basis.

The state of Colorado doesn't have state-level HVAC contractor licensing requirements; however, those who run an HVAC business are required to have a Colorado business license, as well as insurance. You may want to check with your municipal government to find out if there are local licensing requirements for HVAC contractors. Additionally, contractors that 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 the Better Business Bureau (BBB), Google Reviews, and Yelp. Choose a company with positive reviews and reports of fantastic customer experiences.

Understand Work Details

Always make sure you understand the details of a planned project. For HVAC repairs, your provider should specify which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are completed to verify that it’s working properly. When replacing your HVAC system, ask your contractor to provide details on the new brand, energy efficiency, features, model, 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.

Compare Warranties

A reputable 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 warranty terms for each contractor and choose the company that provides the best protection within your budget.

Get Quote in Writing

Always get estimates for HVAC service in writing before work begins. An itemized quote should cover both materials and labor. Make sure you review all terms before signing a contract.

Frequently Asked Questions About HVAC in Greenwood Village, CO

Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what, if any, services are needed. You should also call a technician if you start to notice any issues, like unusual smells, strange noises, or leaks. If your home has ductwork, it should be serviced every few years.

The best times of the year to have your HVAC system inspected are the spring and fall. Technicians are generally less busy during these times, so it will be easier to get an appointment. This also helps get your system ready for the summer and winter, the times of the year when it sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. 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 a time. You may also consider a smart thermostat.

For a 2,000-square-foot home, you'll want 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 between 2.5 and 5 tons of capacity. Typically, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company might have financing options via a third-party lender, or you may choose to obtain a loan on your own. It's smart to discuss payment options with a financial advisor and your HVAC company to make sure that you're choosing the best option for you.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Keep your air ducts clean and change or clean your air filters regularly.
  • Have regular inspections to take care of problems as they come up.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you aren't able to purchase one, try to keep the temperature indoors as close to the outside temperature as is comfortable.
  • When replacing part of your HVAC system, explore Energy Star-certified or similar environmentally friendly options.

Other Greenwood Village, CO Home Services

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