10 Best HVAC Companies in Beloit, WI

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Last Updated: February 25, 2025

On average, Americans devote 55% of their energy usage to heating and cooling their home, according to the U.S. Department of Energy. This probably doesn't come as a shock if you live in Beloit and have to run your heat all winter. On average, residents spend $180 a month on their heating.

Use our guide to the top HVAC companies in Beloit to find the best choice for you and your home. Our topic contractors can help you stay comfortable while reducing your bills.

Top 10 Best HVAC Companies in Beloit

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JNL Climate Control, Inc.

JNL Climate Control, Inc. Logo

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215 Prairie Lake Rd, East Dundee, IL 60118 (847) 358-2251 jnlclimatecontrol.com

Clear pricing policy

Informative resources

Free quotes

Prompt service delivery

Reliable customer support

Services Offered

Furnace installation
Boiler installation
Radiant heating
Inspection
Ac installation
Maintenance
Boiler repair
Indoor air quality
Ductless
Filtration
Emergency services
Furnace repair
Ac repair

Rosenthal Heating & Air Conditioning

Rosenthal Heating & Air Conditioning Logo

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1000 Lotus Dr Unit 8, Silver Lake, WI 53170 (262) 534-7330 4rosenthal.com

Free quotes

Clear pricing policy

Reliable customer support

Prompt service delivery

Informative resources

Services Offered

Ventilation
Ac installation
Radiant heating
Maintenance
Duct cleaning
Furnace repair
Emergency services
Indoor air quality
Boiler installation
Furnace installation
Filtration
Zoning systems
Ac repair
Ductless

Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating)

Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating) Logo

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112 Center St, Grayslake, IL 60030 (847) 752-4746 precisiontoday.com

Free quotes

Informative resources

Prompt service delivery

Clear pricing policy

Reliable customer support

Services Offered

Ductless
Filtration
Ac repair
Ac installation
Inspection
Duct cleaning
Boiler repair
Boiler installation
Furnace repair
Maintenance
Furnace installation
Indoor air quality

Air Blue Heating and Cooling

Air Blue Heating and Cooling Logo

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User Rating

1154 N Main St Unit D, Algonquin, IL 60102 (847) 250-1703 airblueinc.com

Clear pricing policy

Reliable customer support

Free quotes

Prompt service delivery

Informative resources

Services Offered

Ac installation
Ac repair
Furnace installation
Duct cleaning
Emergency services
Maintenance
Ductless
Indoor air quality
Ventilation
Boiler installation
Smart home integration

American Family Heating & Air Conditioning

American Family Heating & Air Conditioning Logo

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User Rating

4079 Conifer Dr, Elgin, IL 60124 (847) 583-8731 americanfamilyhvac.com

Clear pricing policy

Free quotes

Informative resources

Reliable customer support

Services Offered

Boiler installation
Furnace installation
Emergency services
Indoor air quality
Ductless
Ac repair
Ac installation
Ventilation
Filtration
Boiler repair
Maintenance
Furnace repair
Duct cleaning

Lake County Mechanical, Inc

Lake County Mechanical, Inc Logo

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User Rating

328 North Ave, Antioch, IL 60002 (847) 989-4649 lakecountymechanical.com

Clear pricing policy

Reliable customer support

Services Offered

Filtration
Emergency services
Furnace installation
Maintenance
Duct cleaning
Radiant heating
Ac repair
Ductless
Zoning systems
Boiler repair
Indoor air quality
Ac installation
Boiler installation
Ventilation
Furnace repair

G & R Heating and Air

G & R Heating and Air Logo

Our Rating

User Rating

24 Center Dr Unit #9, Gilberts, IL 60136 (224) 419-5324 grheatingcooling.com

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Services Offered

Duct cleaning
Indoor air quality
Boiler repair
Ac repair
Furnace installation
Maintenance
Furnace repair
Smart home integration
Filtration
Ac installation
Emergency services
Boiler installation
Inspection

Wohlers Heating & AC

Wohlers Heating & AC Logo

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User Rating

351 Progress Dr, Cottage Grove, WI 53527 (608) 839-1604 wohlersheating.com

Informative resources

Reliable customer support

Free quote

Clear pricing policy

Services Offered

Boiler repair
Ac installation
Emergency services
Furnace repair
Filtration
Ac repair
Maintenance
Furnace installation
Indoor air quality
Boiler installation
Duct cleaning
Ductless

Lanz Furnace & Fireplace

Lanz Furnace & Fireplace Logo

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User Rating

1206 29th Ave, Monroe, WI 53566 (608) 291-3606 lanzfurnace.com

Clear pricing policy

Reliable customer support

Free quote

Prompt service delivery

Informative resources

Services Offered

Indoor air quality
Emergency services
Filtration
Ductless
Maintenance
Zoning systems
Ventilation
Ac installation
Ac repair
Furnace repair
Boiler installation
Furnace installation

Absolute Comfort HVAC LLC

Absolute Comfort HVAC LLC Logo

Our Rating

User Rating

30913 Shady Ln, Waterford, WI 53185 (262) 664-9284 absolutecomfortwi.com

Reliable customer support

Free quotes

Informative resources

Clear pricing policy

Services Offered

Ductless
Maintenance
Boiler installation
Indoor air quality
Furnace repair
Ac installation
Furnace installation
Ventilation
Boiler repair
Emergency services
Duct cleaning
Ac repair
Today's Homeowner Ranking Methodology

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:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

A faulty or aging HVAC system probably needs professional attention from a technician who can make fixes or install a new unit. Look out for these common signs that your HVAC needs service:

  • Unusually high energy bills
  • Uneven heating/cooling or poor air circulation
  • Odd noises when the system turns on
  • Refrigerant leaks
  • Frequent breakdowns and need for repairs
  • Cracking, rust, or corrosion
  • Thermostat malfunctions or temperature control issues
  • An HVAC system that's over 15 years old

If you notice any of the above, have a local HVAC technician inspect your system. They can pinpoint problems and determine whether repair or full HVAC replacement is the best course of action.

Cost of HVAC Installation and Maintenance in Beloit

What you spend on HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home doesn’t have the ductwork for central air or heating, you probably have a split or mini-split system instead. Split HVAC systems have internal units in each room to manage temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but is able to utilize either electricity or gas as energy sources.
  • Heat pump: Heat pumps move warm and cool air between your home and outside. These systems don't make their own heat or AC, so they work more efficiently in moderate climates and may not be as effective during Beloit's cold winters.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller homes. They have a single cooling and heating unit, typically in an attic or basement. This unit is often small, cost-effective, and easy to maintain.

HVAC maintenance costs differ depending on what services are needed. HVAC systems are complicated and may require different kinds of maintenance. Prices for common services are as follows:

HVAC Unit TypeCost
Split$1,860-$4,743
Hybrid Split$3,770-$6,945
Heat Pump$2,919-$29,743
Packaged Heating and Air$244-$407

Ways to Save Money on HVAC Costs

It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Luckily, there are steps you can take to slow the wear and tear on your system.

  • Change the position of your blinds seasonally. Opening your blinds in winter allows passive solar heat into your house. Closing your blinds in summer blocks some heat from getting indoors. Both of these measures help lower the work required from your house's HVAC system.
  • Keep your system clean. Keeping your indoor evaporator coil, condenser fan blades, ductwork, and grills clean helps your HVAC system function properly and lowers the risk of mold. The National Air Duct Cleaners Association recommends cleaning your HVAC system when you notice things starting to get dirty.
  • Change filters regularly. Replacing or cleaning your air filters every 30–90 days helps air flow smoothly through your system. You should also try to keep debris away from the external sections of your HVAC system as much as possible.
  • Monitor for potential problems. Keeping a close eye on the efficiency of your HVAC system — for instance by reviewing your thermostat settings and energy bills — helps you identify and fix problems before they get out of hand.
ServiceCost
Filter Replacement$61-$163
Condensor Cleaning$1,221-$3,664
Thermostat Repair$81-$204
Ductwork Cleaning$391-$977

How To Choose a Local HVAC Company

It's important to know what makes a good HVAC company. 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.

Compare Multiple Bids

Contact at least three HVAC companies for quotes. Explain the issues and have technicians visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand payment upfront.

Check Credentials

When selecting 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.

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 can optionally become certified as an HVAC Qualifier, which requires four combined years of education and experience and may exempt them from some local regulations. Whether or not your technician is an HVAC Qualifier, be sure that they meet any local requirements. Always check a provider's reviews and complaints with organizations such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Choose a company with positive reviews and a history of good customer service.

Understand Work Details

Always make sure you understand what a company’s process is like. When getting HVAC repairs, ask your provider to specify which parts require replacement and why. Confirm that your technician will clean and test your system at the end of the job to verify proper operation. When replacing your HVAC, ask your installation company to provide details on the new model, features, energy efficiency, brand, and estimated installation time. Before work begins, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.

Compare Warranties

A reputable HVAC company will stand behind its repair work and installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully compare the fine print between contractors and choose the company that provides the best protection at a reasonable price.

Get Quote in Writing

Get a written proposal before HVAC work begins. A comprehensive quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.

Frequently Asked Questions About HVAC in Beloit, WI

You should have your HVAC system inspected twice annually. At the time of the inspection, your technician will tell you what services are required. You should also call a technician if you notice new issues such as unusual smells, strange noises, or leaks. If your home has ductwork, you should have it inspected every few years.

Normally, you should schedule inspections 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 likely sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. Always keep your thermostat as close to the outside temperature as you can, and try to adjust it only a few degrees at a time. You might also consider purchasing 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 be based on things like the size of your house, how easily accessible different sections are, and whether your technician discovers any problems.

For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. For homes over 1,000 square feet, central air will 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 Beloit, you might need a higher-capacity furnace.

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 several ways you can make your HVAC system more energy-efficient:

  • Keep your air ducts clean and clean or change your air filters on a regular basis.
  • Have regular inspections to take care of problems as they arise.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try to keep the temperature indoors as close to the outside temperature as is comfortable.
  • When replacing part of your HVAC system, explore Energy Star-certified or other environmentally friendly options.

Other Beloit, WI Home Services

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