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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. This may not surprise you if you live in Mandan and need to run your heat all winter. The average resident spends $160 a month on their heating.
Browse our guide to the top HVAC companies in Mandan to find the best one for you and your home. Our topic contractors can help you stay comfortable while reducing your bills.

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Informative resources
Services Offered

Our Rating
User Rating
Services Offered

Our Rating
User Rating
Free quotes
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:
A malfunctioning or aging HVAC system probably needs professional attention from a technician who can make repairs or install a new unit. Keep an eye out for these common indicators that your HVAC needs service:
If you notice any of these HVAC red flags, your system evaluated. A local company can complete an inspection, diagnose problems, and recommend repairing or replacing your HVAC unit.
The price of HVAC installation or maintenance will vary depending on the type of unit you have. Common kinds of HVAC units include the following:
The cost of HVAC maintenance also depends 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 | $1,881-$4,796 | |
| Hybrid Split | $3,812-$7,023 | |
| Heat Pump | $2,951-$30,074 | |
| Packaged Heating and Air | $247-$412 |
HVAC upkeep is important, but can be pricey. Luckily, there are steps homeowners can take to reduce wear and tear on their system and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $62-$165 | |
| Condensor Cleaning | $1,235-$3,705 | |
| Thermostat Repair | $82-$206 | |
| Ductwork Cleaning | $395-$988 |
It's important to know what makes a good HVAC company. Working with a contractor that's properly licensed and highly experienced will give you confidence that they can fix your system, providing you with effective heating and cooling for your home.
Contact at least three HVAC contractors for quotes. Explain your issues and schedule an in-person inspection if possible. Compare companies' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand upfront payment.
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 from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on the kind of equipment they plan 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.
All contractors in North Dakota who work on jobs valued over $4,000 are required to be licensed by the Secretary of State's office. The various classes of licenses available allow contractors to work on jobs valued at different amounts. For most residential jobs, any class of license should be sufficient. To get a license, a contractor must provide proof of general liability insurance.
Individual municipalities may have additional licensing requirements, so be sure to verify this information before signing a contract. You should also look at a company's reviews and complaints on sites such as Google Reviews, Yelp, and the Better Business Bureau (BBB). Pick a company with great feedback and good customer testimonials.
Make sure you know the details of any project before it begins. When getting HVAC repairs, have your provider detail which parts require replacement and why. Confirm that your technician will clean and test the system after the repair to ensure that everything works. When getting a replacement, ask your contractor to explain the new HVAC system model, estimated installation time, features, brand, and energy efficiency. Before starting the project, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
A reputable HVAC company will stand behind its repair work and equipment installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully review warranty terms for each contractor and choose the provider that offers the most protection at a reasonable price.
Get written estimates before beginning HVAC work. The quote should cover costs for both materials and labor. Read all terms carefully before signing.
Typically, your HVAC system should be inspected twice a year. After an inspection, your HVAC technician will tell you what services are required. You should also have an inspection if you notice any new issues, like leaks, unusual smells, or strange noises. If your home has ductwork, it should be serviced every few years.
The best times of the year to have an HVAC inspection are the spring and fall. Technicians are often less busy during these times, so it will be easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically gets 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 you can, 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 between half a day and two days. This timeline will be determined by the size of your house, the accessibility of your system, and any new issues your technician uncovers.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. In Mandan, 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 for cooling than window units.
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 Mandan, you may need a higher-capacity furnace.
Normally, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer financing, you might consider taking out a loan on your own. Be sure to speak with a financial advisor and your HVAC company to find out what options are available and appropriate for your situation.
There are a number of ways you can make your HVAC system more energy-efficient:
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