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Last Updated: February 25, 2025
If you're like the typical American homeowner, over half of your energy bill (55%, per the Department of Energy) goes toward heating and cooling. You want to be comfortable in your Cambridge home, but you also don't want to waste your money on inefficient heating and cooling.
We've researched and assembled this guide to Cambridge's top HVAC companies to help you hire the best person for your job and get your system into top shape.

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

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

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

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

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

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

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

Our Rating
User Rating
Informative resources
Clear pricing policy
Prompt service delivery
Free quote
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
Clear pricing policy
Prompt service delivery
Reliable customer support
Free quote
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 repairs or replacement. Watch for these common signs that your system requires professional attention:
If you notice any of these HVAC issues, you should have a technician inspect your system. A local professional can detect problems and decide whether fixing or replacing your HVAC unit is the best solution.
HVAC installation or maintenance costs vary depending on your system. Common HVAC unit varieties include the following:
The amount you spend on HVAC maintenance also depends on what kind of work you're having done. HVAC systems are complex and might require different kinds of maintenance. The cost of some common repairs is as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,682-$4,287 | |
| Hybrid Split | $3,407-$6,277 | |
| Heat Pump | $2,638-$26,882 | |
| Packaged Heating and Air | $221-$368 |
Fixing your HVAC by repairing or replacing parts when needed is crucial, but can be expensive. Luckily, there are actions you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $55-$147 | |
| Condensor Cleaning | $1,104-$3,312 | |
| Thermostat Repair | $74-$184 | |
| Ductwork Cleaning | $353-$883 |
Finding the right HVAC company is vital for an easy installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide consistent heating and air conditioning year-round.
Get quotes from at least three HVAC contractors. Explain your issues and ask if specialists can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid contractors that pressure you or demand payment before work.
When selecting an HVAC provider, choose one with technicians that have the right 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 mandatory 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 Ohio are licensed by the Ohio Construction Industry Licensing Board. To obtain a license, contractors need to have at least five years of experience, carry a minimum amount of contractor liability coverage, and pass an exam. Your local jurisdiction may have additional licensing requirements. You should also check a provider's reviews and complaints with organizations such as Google Reviews, Yelp, and the Better Business Bureau (BBB). You'll want to select a provider with glowing reviews and stories of positive service experiences.
It’s important to know what the work process will look like. For HVAC repairs, the company should detail the particular parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to make sure everything is operating properly. For replacement, ask the contractor to explain the new HVAC system brand, energy efficiency, estimated installation time, features, and model. Before work begins, you should understand how your provider will size the system appropriately for your home and the price you'll pay.
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 reasonable price.
Get written quotes before beginning HVAC work. The quote should include costs for both materials and labor. Review all terms carefully before signing.
Generally, you should have your HVAC system inspected twice a year. After that inspection, your HVAC technician will tell you what services are required. You should also have an inspection if you notice any new issues, such as unusual smells, leaks, or strange noises. If your home has ductwork, it should be serviced every few years.
The best times of the year to have your HVAC system inspected are during the spring and fall. Technicians tend to be less busy during these times, making it easier to get an appointment. This also ensures that your system is ready for the summer and winter, when it typically gets the most use.
You can save energy throughout the year by reducing the amount of work it takes for your HVAC system to maintain your home's temperature. 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 a time. You might also consider purchasing a smart thermostat.
It takes around one to three days to have your HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this might take between half a day and two days. This timeline can be affected by the size of your house, the accessibility of your system, and any issues your technician uncovers.
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 generally 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 may provide financing options through a third-party lender, or you might be able to obtain a loan on your own. It's smart to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.
There are a number of ways you can make your HVAC system more energy-efficient:
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