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Last Updated: February 25, 2025
On average, 55% of energy use in American homes goes toward heating and cooling, according to the Department of Energy. With the cold winters in Monona, you probably feel as though you're spending even more than that. On average, the monthly heating bill for a Monona resident is $190.
We've compiled this guide to the top HVAC companies in Monona to help you choose the best person for your job and get your system into its best shape ever.

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

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

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

Our Rating
User Rating
Free quotes
Clear pricing policy
Services Offered

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

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

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

Our Rating
User Rating
Informative resources
Free quotes
Clear pricing policy
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
Clear pricing policy
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:
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. Look for these common signs that your system requires professional attention:
Arrange an inspection if you notice any of these issues. A local technician can assess your system, detect problems, and decide whether you need repairs or a new HVAC unit.
Your HVAC installation or maintenance cost changes depending on the style of unit. Common HVAC unit types include the following:
The price of HVAC maintenance also varies depending on the kind of work you're having done. HVAC systems are complicated and might require different kinds of maintenance. The cost of some common repairs is as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,975-$5,036 | |
| Hybrid Split | $4,003-$7,374 | |
| Heat Pump | $3,099-$31,580 | |
| Packaged Heating and Air | $259-$432 |
Taking care of necessary HVAC repairs and replacements when needed is important, but can be expensive. Fortunately, there are steps you can take to reduce gradual wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $65-$173 | |
| Condensor Cleaning | $1,297-$3,890 | |
| Thermostat Repair | $86-$216 | |
| Ductwork Cleaning | $415-$1,037 |
Knowing the indicators of a good HVAC company is important. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective heating and cooling in your home.
Request estimates from three or more HVAC contractors. Describe your issues and ask if specialists can inspect your system in person. Review each company's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid providers that pressure you or demand payment before work.
Look for an HVAC company that employs skilled technicians with the necessary training and licenses. 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 at the state level.
Wisconsin doesn't have any mandatory state-level requirements for HVAC contractors; all contractors simply need to register with the Department of Safety and Professional Services. An individual has the option to become certified as an HVAC Qualifier, which requires four years of experience, education, or a combination of the two, and may allow them to be exempt from some local regulations. Whether or not your technician is an HVAC Qualifier, you should be sure that they meet any city or municipal requirements. Also look at a company's reviews and complaints on sites such as Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with glowing feedback and stories of satisfied customers.
Make sure you understand the details of your project before it begins. When getting HVAC repairs, have your provider detail which parts need replacement and why. Confirm that your technician will clean and test the entire system after the repair to ensure that everything works. When getting a replacement, ask the contractor to explain the new HVAC system energy efficiency, brand, estimated installation time, features, and model. Before signing a contract, you should understand how your provider will size the system appropriately for your home and the price you'll pay.
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.
Get written quotes before beginning any HVAC work. The quote should outline costs for both labor and materials. Review all terms carefully before signing.
Normally, you should have your HVAC system inspected twice a year. After an inspection, your technician will tell you what, if any, services are needed. You should also call a technician if you start to notice any issues, like unusual smells, strange noises, or leaks. If your home has ductwork, it should be serviced every few years.
The best times of the year to have an HVAC inspection are during the spring and fall. Technicians are less busy during these times, making it easier to get an appointment. 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 how much power your HVAC system uses to heat your home. Keep your thermostat as low as you can and don't make drastic temperature changes — increase or decrease it a few degrees at a time. If possible, try switching to a smart thermostat.
It takes roughly one to three days to have an HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this might take anywhere from a few hours up to two days. This timeline will be influenced by the size of your home, the accessibility of your system, and any new issues your technician runs into.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. In Monona, 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 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). In Monona, you may need a higher-capacity furnace.
Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer these options, you might consider taking out your own loan. Be sure to talk to a financial advisor and your HVAC company to learn 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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