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Last Updated: February 25, 2025
On average, American homeowners devote 55% of their energy usage to heating and cooling their home, according to the U.S. Department of Energy. In Lower, you're likely looking to reduce your energy usage and save money.
We've compiled this guide to Lower's top HVAC companies to help you hire the right person for your job and get your system into top shape.

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

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

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

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Informative resources
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:
If your home's HVAC system isn't working correctly or nearing the end of its lifespan, you might need an HVAC contractor for maintenance or replacement. Watch for these common indicators that your system requires expert attention:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and determine whether repair or full HVAC replacement is the better solution.
The cost of HVAC installation or maintenance changes depending on the type of unit you have. Common kinds of HVAC units include the following:
HVAC maintenance prices vary based on the services needed. HVAC systems are complex and may need a number of types of maintenance. Prices for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,859-$4,738 | |
| Hybrid Split | $3,766-$6,938 | |
| Heat Pump | $2,916-$29,714 | |
| Packaged Heating and Air | $244-$407 |
Repairing or replacing your HVAC system when needed is important, but can be expensive. Thankfully, there are actions you can take to minimize wear and tear over time on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$163 | |
| Condensor Cleaning | $1,220-$3,660 | |
| Thermostat Repair | $81-$203 | |
| Ductwork Cleaning | $390-$976 |
Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. Picking an established business with certified technicians gives you assurance your HVAC system will deliver consistent coolig and heating year-round.
Request estimates from three or more 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 timeline. Avoid providers that pressure you or demand payment before work.
Look for an HVAC company that employs qualified technicians with 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 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.
In New Jersey, HVAC contractors are required to be licensed by the Board of Examiners of Heating, Ventilating, Air Conditioning and Refrigeration Contractors. Contractors must be bonded and must participate in ongoing education. Individuals who operate an HVAC business must also have general liability insurance. You should also look at a company's reviews and complaints on sites such as Google Reviews, the Better Business Bureau (BBB), and Yelp. Pick a company with great feedback and good customer testimonials.
It’s important to understand what the work process is going to look like. For HVAC repairs, the company should detail the specific parts that need replacement and why. Get confirmation that your technician will clean and test the full system afterward to guarantee everything is working correctly. When replacing your HVAC system, ask the contractor to provide details on the new features, model, estimated installation time, energy efficiency, and brand. 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.
Trustworthy HVAC companies provide warranties for their services. Broader coverage is better, so make sure to compare warranties between companies. Choose the one that provides the most comprehensive coverage at a reasonable cost.
Get written estimates before beginning HVAC work. The quote should include costs for both labor and materials. Review all terms carefully before signing.
You should have your HVAC system inspected about twice a year. At the time of the inspection, your technician will inform you if any services are needed. You should also have your system inspected if you notice new issues such as leaks, strange noises, or unusual smells. If your system 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 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 may also consider installing a smart thermostat.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. For a house 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 Lower, you may be able to make do with a lower-capacity furnace.
Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out a loan on your own. Be sure to talk to your HVAC company and a financial advisor to find out what options are available and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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