10 Best HVAC Companies in Denham Springs, LA

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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. Energy costs in Denham Springs can be steeper than in some other places, which means you'd probably like to save money on your bill.

We've assembled this guide to Denham Springs' top HVAC companies to help you choose the best person for your job and get your system into its best shape ever.

Top 10 Best HVAC Companies in Denham Springs

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Hammond One Hour Air Conditioning and Heating

Hammond One Hour Air Conditioning and Heating Logo

Our Rating

User Rating

49417 Kinchen Rd, Tickfaw, LA 70466 (985) 317-2262 onehourheatandair.com

Free quote

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

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

One Hour Air Conditioning & Heating® of the Northshore

One Hour Air Conditioning & Heating® of the Northshore Logo

Our Rating

User Rating

1785 LA-59, Mandeville, LA 70448 (985) 863-4132 onehourheatandair.com

Free quotes

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

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

AccuTemp Services, LLC

AccuTemp Services, LLC Logo

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User Rating

7020 U.S. Hwy 190 Unit A, Covington, LA 70433 (985) 200-1243 accutempbr.com

Prompt service delivery

Free quote

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

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

Bell Mechanical Services

Bell Mechanical Services Logo

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User Rating

12114 Industriplex Blvd, Baton Rouge, LA 70809 (225) 752-8538 bellmechanical.com

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Maintenance
Ac repair
Zoning systems
Furnace repair
Ac installation
Filtration
Emergency services
Ventilation
Ductless
Furnace installation
Boiler installation
Indoor air quality

Kelly Scott Heating & Cooling

Kelly Scott Heating & Cooling Logo

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User Rating

15045 Market St, Baton Rouge, LA 70817 (225) 294-1970 kellyscottheatingandair.com

Clear pricing policy

Informative resources

Prompt service delivery

Free quotes

Services Offered

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

River City's One Hour Air Conditioning and Heating

River City's One Hour Air Conditioning and Heating Logo

Our Rating

User Rating

15025 Market St, Baton Rouge, LA 70817 (225) 320-4162 onehourheatandair.com

Informative resources

Prompt service delivery

Clear pricing policy

Free quotes

Services Offered

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

TemperaturePro Baton Rouge

TemperaturePro Baton Rouge Logo

Our Rating

User Rating

12232 Industriplex Blvd #16, Baton Rouge, LA 70809 (225) 277-7707 temperaturepro.com

Informative resources

Reliable customer support

Free quotes

Services Offered

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

Southern Air Heating, Cooling, & Plumbing

Southern Air Heating, Cooling, & Plumbing Logo

Our Rating

User Rating

11999 Industriplex Blvd, Baton Rouge, LA 70809 (225) 777-8888 southernairbr.com

Clear pricing policy

Free quotes

Informative resources

Reliable customer support

Services Offered

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

River City Air Conditioning, Inc.

River City Air Conditioning, Inc. Logo

Our Rating

User Rating

11232 Cedar Park Ave, Baton Rouge, LA 70809 (225) 314-3456 onehourbr.com

Clear pricing policy

Prompt service delivery

Free quote

Reliable customer support

Services Offered

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

Kelly Scott One Hour Air Conditioning and Heating

Kelly Scott One Hour Air Conditioning and Heating Logo

Our Rating

User Rating

39360 Airline Plaza Pl, Gonzales, LA 70737 (225) 675-2665 kellyscottheatingandair.com

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

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

A malfunctioning or aging HVAC system probably needs attention from a professional who can make repairs or install a new unit. Watch out for these common indicators that your HVAC needs service:

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

Arrange an inspection if you notice any of these problems. A local technician can evaluate your system, detect problems, and figure out whether you need to fix or replace your HVAC.

Cost of HVAC Installation and Maintenance in Denham Springs

HVAC installation or maintenance costs change 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 heating or air, you probably have a split HVAC system. Split or mini-split systems consist of internal units that control the temperature in individual rooms. These interior units are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions in the same way as a normal split system, but has the advantage of being able to draw power from either electric or gas sources.
  • Heat pump: Heat pumps transfer warm and cool air between your home and outside. They don't generate their own heating and cooling, so they work more effectively in more moderate climates and may not be as effective during Denham Springs' hot summers.
  • Packaged heating and air: Packaged HVAC systems work best in smaller houses. They consist of a single combined air conditioner and heating unit, commonly located in an attic or basement. This unit is typically compact, cost-effective, and easy to maintain.

HVAC expenses vary based on the services needed. HVAC systems are complex and may need several types of maintenance. Costs for common jobs are as follows:

HVAC Unit TypeCost
Split$1,814-$4,626
Hybrid Split$3,677-$6,774
Heat Pump$2,847-$29,008
Packaged Heating and Air$238-$397

Ways to Save Money on HVAC Costs

HVAC upkeep is important, but can be pricey. Fortunately, homeowners can take steps to reduce wear and tear on their HVAC and lower future maintenance needs.

  • Change filters regularly. Cleaning or replacing your air filters every 30–90 days helps air flow smoothly through your system. You should also try to keep debris away from the external sections of your HVAC system as much as possible.
  • Monitor for potential problems. Monitoring your system for problems — for example, by checking your thermostat and energy bills regularly — helps you catch issues before they get too expensive.
  • Change the position of your blinds seasonally. During winter, leave your blinds open so your home benefits from passive solar heat. In summer, keep blinds shut to block out heat. Doing both decreases the amount of work your HVAC system needs to do.
  • Keep your system clean. Keeping your ductwork, condenser fan blades, indoor evaporator coil, and grills clean helps your system run and reduces the chance of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system whenever it begins to look dirty.
ServiceCost
Filter Replacement$60-$159
Condensor Cleaning$1,191-$3,573
Thermostat Repair$79-$199
Ductwork Cleaning$381-$953

How To Choose a Local HVAC Company

Knowing the indicators of a reliable HVAC company is key for a smooth repair or installation. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent coolig and heating year-round.

Compare Multiple Bids

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

Check Credentials

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, contractors 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 by the state.

HVAC contractors in Louisiana are considered mechanical contractors and must be licensed by the Louisiana State Licensing Board for Contractors. To receive this license, contractors are required to provide proof of workers' compensation and liability insurance. Reviewing feedback on Yelp, Google Reviews, the Better Business Bureau (BBB), and similar sites can assist your decision as well. Choose a provider with great reviews and stories of positive customer experiences.

Understand Work Details

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

Trustworthy HVAC companies stand behind their work with warranties. Compare warranties from different companies, bearing in mind that broader coverage is better. Look for the company that provides the most coverage for a reasonable price.

Get Quote in Writing

Get a written proposal before HVAC work starts. A full quote includes both materials and labor costs. Make sure you understand and agree to all terms before signing the contract.

Frequently Asked Questions About HVAC in Denham Springs, LA

Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what, if any, services are required. You should also have your system inspected and serviced if you start to notice any issues, such as strange noises, leaks, or unusual smells. If you have ductwork in your home, 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 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, which is when it normally gets 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 is comfortable, and avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any door or window leaks to avoid letting cool air escape. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.

Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing an air conditioning unit or a furnace takes anywhere from about half a day up to two days. The exact amount of time will vary depending on factors like how large your home is, how easily accessible different sections are, and whether your technician finds any problems.

For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. In Denham Springs, you'll probably want to choose a unit that's on the higher end of this range. For homes 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). In Denham Springs, you might be able to make do with a lower-capacity furnace.

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

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