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Last Updated: February 25, 2025
If you're like the typical American homeowner, more than half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. Since heating and cooling represent such a significant chunk of your utility bills, you'll want to ensure that the HVAC system in your Guilderland home is functioning properly.
Our list of Guilderland's top HVAC companies can help you get your system into top shape, allowing you to save money while staying comfortable.
Our Rating
User Rating
Clear pricing policy
Informative resources
Reliable customer support
Free quotes
Services Offered
Our Rating
User Rating
Reliable customer support
Free quotes
Clear pricing policy
Informative resources
Services Offered
Our Rating
User Rating
Reliable customer support
Informative resources
Prompt service delivery
Services Offered
Our Rating
User Rating
Reliable customer support
Clear pricing policy
Informative resources
Services Offered
Our Rating
User Rating
Free quotes
Clear pricing policy
Informative resources
Reliable customer support
Services Offered
Our Rating
User Rating
Reliable customer support
Clear pricing policy
Informative resources
Free quotes
Services Offered
Our Rating
User Rating
Informative resources
Reliable customer support
Services Offered
Our Rating
User Rating
Prompt service delivery
Reliable customer support
Clear pricing policy
Services Offered
Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered
Our Rating
User Rating
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 may need to hire an HVAC contractor for repairs or replacement. Look for these common indicators that your system needs professional attention:
Arrange an inspection if you notice any of these problems. A local technician can assess your system, detect problems, and figure out whether you need to fix or replace your HVAC.
Your HVAC installation or maintenance cost changes depending on the style of unit. Common HVAC unit varieties include the following:
HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complex and may require different maintenance services. Fees for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,975-$5,035 | |
| Hybrid Split | $4,002-$7,372 | |
| Heat Pump | $3,099-$31,573 | |
| Packaged Heating and Air | $259-$432 |
It's important to repair or replace your HVAC system when it's broken, but it can also be expensive. Thankfully, there are some steps you can take to reduce wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $65-$173 | |
| Condensor Cleaning | $1,296-$3,889 | |
| Thermostat Repair | $86-$216 | |
| Ductwork Cleaning | $415-$1,037 |
Knowing what to look for in an HVAC company is crucial for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and make sure your system provides reliable heating and air conditioning for your home.
Contact at least three HVAC providers for quotes. Explain your issues and schedule an in-person inspection if possible. Compare providers' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand upfront payment.
When picking an HVAC provider, choose one with technicians that have the appropriate training, licenses, and experience. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for any individual who helps "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.
The state of New York doesn't have state-level HVAC licensing; however, there may be local requirements, so be sure to check with your city or municipal government. For example, in some cases, a technician may need an Oil Burning Equipment Installer or High Pressure Boiler Operating Engineer license from the NYC Department of Buildings, or a Certificate of Qualification for Refrigerating System Operating Engineer from the Fire Department of New York. Also check a company's reviews and complaints on sites such as Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with great feedback and stories of satisfied customers.
Always make sure you know what a company’s process is like. When HVAC repairs are needed, ask your provider to explain which parts require replacement and why. Confirm that your technician will clean and test your system afterward to verify proper operation. When replacing your HVAC, have the provider describe the new estimated installation time, energy efficiency, brand, features, and model. Before work starts, ask about the process your provider will use to properly size the new system for your home and how much it will cost.
Reliable HVAC companies provide warranties for their services. The broader the coverage, the better, so make sure to compare warranties between providers. Choose the one that gives you the most coverage at a fair cost.
Get a written quote before HVAC work begins. A comprehensive quote includes both materials and labor costs. Make sure you understand and agree to all terms before signing the contract.
You should have your HVAC system inspected twice a year. Following an inspection, your technician will tell you what services are needed. You should also have your system inspected if you start noticing issues such as strange noises, leaks, or unusual smells. If your system has ductwork, it should be inspected every few years.
Normally, it's smart 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 typically 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 changes in the temperature — only increase or decrease it a few degrees at a time. If you can, try switching to a smart thermostat.
Generally, whole-system HVAC installation or replacement takes between one and three days. Installing or replacing an air conditioning unit or a furnace can take as little as half a day or as much as two days. The exact amount of time will vary depending on things like how large your home is, how easily accessible different parts of the system are, and whether your technician discovers any problems.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. In Guilderland, you can probably make do with a unit on the lower end of this range. If your home is larger than 1,000 square feet, central air will generally 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 may have financing options via a third-party lender, or you might be able to obtain a loan on your own. It's a good idea to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.
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