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Last Updated: February 25, 2025
According to the Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. Since such a significant portion of your utility bill goes toward heating and cooling, you'll want to ensure that the HVAC system in your Hudson home is functioning optimally.
Our list of Hudson's top HVAC companies can help you save money by getting your HVAC system repaired, installed or replaced for a fair price by a skilled worker.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
Reliable customer support
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An HVAC system that's malfunctioning or outdated likely needs professional attention for maintenance or replacement. Watch for these signs that your system needs service:
Schedule an inspection if you notice any of these problems. A local technician can evaluate your system, identify problems, and determine whether you need repairs or a new HVAC unit.
HVAC installation or maintenance costs vary depending on your system. Common HVAC unit varieties include the following:
HVAC maintenance prices differ based on the specific services required. HVAC systems can be complex and potentially require several different services. Fees for typical jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $2,005-$5,112 | |
| Hybrid Split | $4,063-$7,485 | |
| Heat Pump | $3,146-$32,056 | |
| Packaged Heating and Air | $263-$439 |
It's important to repair or replace your HVAC system when it's broken, but it can also be expensive. Fortunately, there are some steps you can take to slow the wear and tear on your HVAC.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $66-$176 | |
| Condensor Cleaning | $1,316-$3,949 | |
| Thermostat Repair | $88-$219 | |
| Ductwork Cleaning | $421-$1,053 |
Knowing what to look for in an HVAC company is crucial for a successful project. Partnering with an experienced, licensed contractor can offer you peace of mind and ensure your system provides reliable air conditioning and heating for your home.
Request estimates from three or more HVAC providers. Describe your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid providers that pressure you or demand payment before work.
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 on a state-by-state basis.
New Hampshire doesn't have specific state-level licensing requirements for HVAC contractors. However, some contractors may require a Fuel Gas Fitting or Oil Heating Technician license from the Mechanical Safety and Licensing Board. You should also check whether your city or municipality has any local licensing requirements. You should also check a provider's reviews and complaints with organizations such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Choose a provider with positive reviews and a history of good customer service.
Always make sure you understand what a company’s process looks like. When HVAC repairs are needed, ask your provider to specify which parts require replacement and why. Confirm that your technician will clean and test the full system afterward to guarantee proper operation. When replacing your HVAC, request that the company explain the new features, brand, energy efficiency, model, and estimated installation time. Before signing paperwork, be sure you understand how your provider will determine the right system size for your home and what the price will be.
Reliable HVAC companies offer warranties on service and equipment installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the most comprehensive protection for a fair price.
Always get estimates for HVAC service in writing before work begins. An itemized quote should cover both materials and labor. Make sure you understand all terms before signing a contract.
You should have your HVAC system inspected about twice yearly. After completing their inspection, your technician will inform you what services are needed. You should also call a technician if you start noticing issues such as strange noises, unusual smells, or leaks. If your system has ductwork, you should have it inspected every few years.
Generally, it's a good idea to have your HVAC system inspected 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 likely sees the most use.
You can save energy during the winter by reducing the amount of work your HVAC system needs to do to heat your home. Keep your thermostat as low as you can and don't make drastic temperature changes — only increase or decrease it a few degrees at a time. If possible, try switching to a smart thermostat.
It takes around one to three days to have an HVAC system installed or replaced. If you only need an air conditioning unit or a furnace, this may take between half a day and two days. This timeline will be affected by the size of your house, the accessibility of your system, and any new issues your technician runs into.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Hudson, you can probably make do with a unit that's on the lower end of this range. For homes 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'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Your HVAC company might have financing options through a third-party lender, or you might 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 a number of ways you can make your HVAC system more energy-efficient:
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