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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. You don't want to spend more than necessary on cooling and heating your Lanham home, so it's critical that all systems are functioning properly.
Our guide to the top HVAC companies in Lanham can help you get your system into its best shape ever, allowing you to save money while staying comfortable.

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Free quotes
Prompt service delivery
Informative resources
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Services Offered

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

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

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

Our Rating
User Rating
Informative resources
Clear pricing policy
Services Offered

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

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

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

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

Our Rating
User Rating
Informative resources
Reliable customer support
Clear pricing policy
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 faulty or aging HVAC system probably needs professional attention from a technician who can make repairs or install a new unit. Keep an eye out for these common signs that your HVAC needs service:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and recommend whether repair or full HVAC replacement is required.
The cost of HVAC installation or maintenance will differ depending on the kind of unit you have. Common varieties of HVAC units include the following:
HVAC maintenance prices vary depending on the particular service needed. HVAC systems are complicated and might require different maintenance services. Costs for common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,998-$5,093 | |
| Hybrid Split | $4,048-$7,458 | |
| Heat Pump | $3,135-$31,940 | |
| Packaged Heating and Air | $262-$437 |
Repairing or replacing your HVAC system when needed is crucial, but can be expensive. Fortunately, there are steps you can take to minimize wear and tear over time on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $66-$175 | |
| Condensor Cleaning | $1,312-$3,935 | |
| Thermostat Repair | $87-$219 | |
| Ductwork Cleaning | $420-$1,049 |
Knowing the indicators of a good HVAC company is important. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective heating and cooling for your home.
Get quotes from three or more HVAC providers. Explain your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.
Look for an HVAC company that employs qualified technicians who have the necessary licensure and training. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all technicians 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 the type 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.
In Maryland, HVAC contractors are licensed by the Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors. To obtain a master or master restricted license, a contractor needs to have at least three years of experience and must show proof of both general liability and property damage insurance. Checking reviews on Google Reviews, Yelp, the Better Business Bureau (BBB), and similar sites can assist your decision. Choose a company with stellar reviews and stories of positive experiences from customers.
Make sure you know the details of any project before it begins. When getting HVAC repairs, have your provider detail which parts require replacement and why. Get confirmation that your technician will clean and test your system after the repair to ensure that everything works. For replacement, ask your contractor to explain the new HVAC system energy efficiency, estimated installation time, features, brand, and model. Before starting the project, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Good HVAC companies offer warranties on repairs and installations. The more complete the coverage, the better. Compare warranty details between companies and pick the one that provides the best protection within your budget.
Get a written proposal before HVAC work begins. A comprehensive quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.
You should have your HVAC system inspected about twice yearly. At the time of the inspection, your technician will inform you what services are required. You should also schedule an inspection if you notice new issues such as strange noises, leaks, or unusual smells. If your home has ductwork, you should have it inspected every few years.
Generally, it's smart to schedule inspections in the spring and fall, as these times tend to be less busy. This also helps make sure your system is prepared for the summer and winter, when it probably sees the most use.
You can save energy throughout the year by reducing the amount of work it takes for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at once. You might also consider installing a smart thermostat.
It takes around one to three days to have your HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this can take anywhere from a few hours up to two days. This timeline will be influenced by the size of your home, how easily accessible your system is, and any new issues your technician uncovers.
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 is likely to 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).
Your HVAC company might offer financing options via a third-party lender, or you may choose to obtain your own loan. It's a good idea to discuss payment options with your HVAC company and a financial advisor to make sure that you're choosing the best option for you.
There are several ways you can make your HVAC system more energy-efficient:
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