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Last Updated: February 25, 2025
On average, 55% of energy use in American homes goes toward heating and cooling, according to the Department of Energy. In Dunn Loring, you're probably looking to reduce your energy expenses and save money on your bills.
Our guide to the top HVAC companies in Dunn Loring can help you save money by getting your HVAC system repaired, installed or replaced by the right person for the right price.

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

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

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

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

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

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

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

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
Informative resources
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 not working properly or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these signals that your system needs service:
If you notice any of these HVAC issues, we recommend having a technician inspect your system. A local professional can identify problems and determine whether fixing or replacing your HVAC unit is the correct solution.
What you spend on HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:
HVAC costs differ based on the services needed. HVAC systems are complex and may need multiple types of maintenance. Prices for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,948-$4,966 | |
| Hybrid Split | $3,947-$7,272 | |
| Heat Pump | $3,056-$31,141 | |
| Packaged Heating and Air | $256-$426 |
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 methods to decrease the effect of wear and tear and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $64-$170 | |
| Condensor Cleaning | $1,279-$3,836 | |
| Thermostat Repair | $85-$213 | |
| Ductwork Cleaning | $409-$1,023 |
Knowing what to look for in an HVAC company is important for a successful project. Partnering with an experienced, licensed contractor can give you peace of mind and make sure your system provides reliable air conditioning and heating for your home.
Get quotes from three or more HVAC providers. Describe your issues and ask if technicians can inspect your system in person. Review each company's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid providers that pressure you or demand payment before work.
When looking for an HVAC provider, choose one with technicians that have the proper training, licenses, and experience. In all states, HVAC contractors must 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 what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.
HVAC contractors in Virginia must have a contractor license with an HVAC specialization from the Department of Professional and Occupational Regulation. A valid Master HVAC Tradesman License (which has both education and experience requirements) is necessary to apply. A license can be class A, B, or C.
Make sure you know the details of any project before it begins. For HVAC repairs, have your provider detail which parts need replacement and why. Get confirmation that your technician will clean and test your system after the repair to verify that everything works. When replacing your HVAC, ask the installation company to provide details on the new brand, features, model, energy efficiency, and estimated installation time. Before signing a contract, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.
Trustworthy HVAC companies stand behind their work with warranties. Look at warranties from different companies, remembering that more comprehensive coverage is better. Look for the provider that offers the most coverage for a fair price.
Get written bids before beginning HVAC work. The quote should cover costs for both labor and materials. Review all terms carefully before signing.
You should have your HVAC system inspected twice annually. Following an inspection, your technician will inform you what services are required. You should also call a technician if you start noticing issues such as unusual smells, strange noises, or leaks. If your system has ductwork, you should have it inspected every few years.
Normally, it's best to have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. This also helps get your system ready 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. Always keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at once. You might also consider purchasing a smart thermostat.
It takes roughly one to three days to have an HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this may take anywhere from a few hours up to two days. This timeline can be affected by the size of your house, how easily accessible your system is, and any new issues your technician runs into.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. For homes over 1,000 square feet, central air is likely to be more effective for cooling than window units.
For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out your own loan. Be sure to talk to a financial advisor and your HVAC company to determine what options are available to you and appropriate for your situation.
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