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Last Updated: February 25, 2025
On average, Americans devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. You want to be comfortable in your Ontario home, but you also don't want to be wasting your money on ineffective heating and cooling.
Our list of Ontario's top HVAC companies can help you save money by getting your HVAC system installed, repaired or replaced for a fair price by a skilled worker.

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

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

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

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

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

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

Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
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:
A malfunctioning or aging HVAC system probably needs attention from a professional who can make fixes or install a new unit. Keep an eye out for these common indicators that your HVAC needs service:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and recommend whether repair or full HVAC replacement is the better solution.
What you pay for HVAC installation or maintenance varies based on your system style. Common HVAC unit styles include the following:
HVAC maintenance prices differ depending on what services are needed. HVAC systems are complex and may require different kinds of maintenance. Fees for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,772-$4,518 | |
| Hybrid Split | $3,591-$6,615 | |
| Heat Pump | $2,780-$28,331 | |
| Packaged Heating and Air | $233-$388 |
HVAC upkeep is important, but can be pricey. Thankfully, there are steps homeowners can take to reduce wear and tear on their system and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $58-$155 | |
| Condensor Cleaning | $1,163-$3,490 | |
| Thermostat Repair | $78-$194 | |
| Ductwork Cleaning | $372-$931 |
Finding the right HVAC company is crucial for a smooth installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.
Request estimates from at least three HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.
Look for an HVAC company that employs qualified technicians with the necessary training and licenses. In all states, HVAC contractors 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." An individual 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 Oregon, HVAC contractors need a construction contractor license issued by the Oregon Construction Contractors Board. To receive this license, a contractor must be bonded and insured. You should also read reviews and complaints on sites like Google Reviews, Yelp, and the Better Business Bureau (BBB). Pick a company with glowing reviews and testimonials about great customer experiences.
Always make sure you know the details of a planned project. For HVAC repairs, your provider should specify which parts require replacement and why. Confirm that your technician will clean and test your system after repairs are done to verify that it’s working properly. When replacing your HVAC system, request that the installation company describe the new features, model, brand, energy efficiency, and estimated installation time. Before work starts, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Trustworthy HVAC companies back their services with warranties. Compare warranties from different companies, bearing in mind that broader coverage is better. Look for the provider that offers the most coverage for a reasonable price.
Always get HVAC estimates in writing before work begins. A detailed quote covers costs for both materials and labor. Ensure that you agree to all terms before signing the contract.
You should have your HVAC system inspected twice annually. After the inspection, your technician will inform you if any services are required. You should also schedule an inspection if you notice new issues such as strange noises, unusual smells, or leaks. If your system has ductwork, you should have it inspected every few years.
Normally, it's a good idea to have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. 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 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 try to adjust it only a few degrees at a time. You may also consider purchasing a smart thermostat.
It takes between one and three days to have your HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take between half a day and two days. This timeline can be determined by the size of your home, the accessibility of your system, and any new issues your technician discovers.
Normally, HVAC financing is 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 find out what options are available to you and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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