Do HVAC companies need to be licensed?

• <div><p>Some states require special licenses for HVAC professionals, but most don’t. However, even if there is no state requirement for HVAC licensing, local requirements might exist. It’s always a good idea to check if HVAC technicians need to be licensed in your area and then Angi’s <a href="https://www.angi.com/angi-license-check.htm">contractor license lookup tool</a> to confirm that the contractor you’re hiring holds the necessary licenses. Additionally, you should always ensure the company you’re hiring is fully insured to avoid potential lawsuits if a technician gets injured on your property.</p></div>

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TRUSTED BY CAMERON, WI HOMEOWNERS

4.9
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18
Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Cameron, WI

*The Angi rating for Heating And Air Conditioning Service companies in Cameron, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Cameron, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on November 14, 2025

Reviewed in July 2025
Evan & his team recently completed our bathroom remodel, converting from a tub to a shower. We had HVAC in our old wet space which he had to relocate this as well. He was very informative of the process & made sure he had our input on where all hardware/shelving should be placed. They took...
Mad City Windows & Baths
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Reviewed in May 2023
Kurt did a great job. His cost beat the competition and the water heater installation left nothing to be desired.
KJM Plumbing
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Reviewed in September 2016
The two service techs were very professional and cleaned up after themselves. The price that was quoted was the price I paid. However once my unit was installed the HVAC does not function as advertised, the programmable thermostat that I paid extra for is not worth it. The blower fan should...
Air Tech Heating
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Reviewed in July 2016
I brought my first home this spring that my dad was helping me remodel. While in the middle of the remodel, my water heater started to fail. Around the same time, the county told us that I couldn't do the work "myself" since I was not living on the property at the time. My dad reached out to...
Cox Plumbing Co Inc
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Reviewed in June 2016
Technician was very thorough in his equipment check. He explained everything that he was doing and the results. He even wore "booties" when he came into our house. Our AC/Furnace is 15+ years old. Carew has come out annually (spring/fall) to do the cleaning. I feel that this has prolonged the...
Carew Heating & A/C
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Reviewed in January 2016
The short answer is, "It went great!" Note that I rated price an "A" not because they are cheap, but because they provide good value. I have lived in rural East Troy for about 30 years. In that time we have used Martens Plumbing and Heating to : - replace a water heater - replace a...
Martens Plumbing & Heating Inc
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Reviewed in April 2015
I decided to go with Command Service on Tuesday 1/20/2015 and on Friday they came and replaced my equipment. They sent a crew of three because they changed the furnace, air conditioner, and water heater. The crew was polite, courteous, and knowledgeable and on time. They did a very...
Command Service Center Inc
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Reviewed in January 2015
Komfort Heating did a great job. The technician called the day of service to see if he could come early, which worked out great for me. He was very honest and was able to get my furnace up and running within a half hour, for a low price. I will definitely be using Komfort for any HVAC issues...
Komfort Heating & Cooling
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Reviewed in October 2013
We have leased a water softener from Johnson Water Conditioning for over 8 years and find the price, equipment and service to be excellent. Recently we heard a noise that sounded like there was air in the line and called Johnson. A tech was sent to inspect the unit within a few days of our...
Johnson Water Conditioning
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Reviewed in June 2013
Anytime we need any heating or air conditioning work, we always call them We have been happy with their service.
Sure-Fire Inc
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Find Heating and air conditioning pros in Cameron

Aquarius Home Services

Aquarius Home Services

Customers say: Super punctual

Recommended by 92% of Angi customers

430 local quotes requested

Aquarius Home Services is the top home service provider in Minnesota and Wisconsin. Offering expert service in HVAC, Water Softeners, Plumbing and Electrical . Our work is backed by a 100% performance guarantee.

"They were on time. Explained what he would do, was very professional and did a great job."

Dan C on October 2025

"They were on time. Explained what he would do, was very professional and did a great job."

Dan C on October 2025

RC Construction

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RC Construction

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Emergency services offered

Repair, installation, service, troubleshooting. We do just about everything.

TNJ Alliance

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TNJ Alliance

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Property Preservation, Handyman Construction, Remodeling, and HVAC repair services for 40+ years combined experience! We have hundreds of satisfied customers. We can handle all your small to medium size remodel or repair work at a fair price and prompt service. We won't leave the job until you are satisfied, and you will be!

Freedom Mechanical Services

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Freedom Mechanical Services

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Emergency services offered

Freedom Mechanical Services is a growing licensed and insured HVAC family-owned and operated business in the Chippewa Valley. We can tackle everything from commercial to residential needs. With over 15 years of experience in the mechanical industry, you can depend on us to keep your business or home comfortable year-round.

Badgerland Contracting of West Wisconsin

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Badgerland Contracting of West Wisconsin

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Free onsite estimate

We are a full service contracting company, we offer all services from remodeling to plowing snow and mowing your lawn!

Percolation Consulting, LLC

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Percolation Consulting, LLC

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Integrated solar energy solutions: photovoltaic, solar-thermal, battery storage and heat pumps. We are not tied to any specific PV manufacturer and will source the best solution for your location and situation. Solar energy is no longer idealists' domain - it makes solid financial sense. Whether your goal is to minimize the time until your solar installation is paid off, or you want to ride out the Zombie apocalypse in comfortable energy self-sufficiency, we have the perfect solution for your location and building use. Contrary to popular perception, year-round self-sufficiency can be reasonably achieved in the Midwest. We have close relationships to vendors of weekly and seasonal energy storage systems which will keep lights and heat on year-round.

Total Heating and Cooling LLC

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Total Heating and Cooling LLC

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Total Heating and Cooling is here to service/ install all your hvac needs.

J&H Online Retail Store

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J&H Online Retail Store

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We are a locally owned and operated online retail store now serving the greater northland located in gary new duluth with over 65,000 products in stock we have everything your looking for

715-642-2453 HVAC company serving Northwest Wisconsin. Licensed and Insured 25+ years Experience. -Free Estimates -Residential and Commercial Heating and Air Conditioning -24/7 Emergency Service -New and Replacement Heating and Air Conditioning Equipment -Appliance repair and installation -Free In-Home HVAC Evaluation -Air Duct Cleaning, Sealing, and Replacements -EPA Certified -Certified Indoor Air Quality Specialist -Green HVAC/R Certified -Ductless Systems -Air Purification Ultra Violet Systems -Ventilation & Dehumidificaton Systems -WiFi and Smart Thermostat Installation and Set-Up -Super Tune-Ups and Cleaning -High Efficiency Filtration Systems -Air Balance & Air Volume Calibration Call today for your home, cabin or business needs. 715-642-2453

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Heating and Air Conditioning questions, answered by experts

Evaporator coils last between 10 and 15 years before they need to be replaced—as long as you stay up-to-date with routine maintenance. This is roughly the same life span as most AC units. So, if you have an older air conditioner and the evaporator coil goes out, it might be more cost-effective to replace the whole unit rather than just the coil.

Some states require special licenses for HVAC professionals, but most don’t. However, even if there is no state requirement for HVAC licensing, local requirements might exist. It’s always a good idea to check if HVAC technicians need to be licensed in your area and then Angi’s contractor license lookup tool to confirm that the contractor you’re hiring holds the necessary licenses. Additionally, you should always ensure the company you’re hiring is fully insured to avoid potential lawsuits if a technician gets injured on your property.

Yes, unfortunately, scorpions do come up through air vents on occasion if they’re not properly sealed. These pests are excellent at finding small openings and may use vents as a pathway to cooler areas inside, especially during hot weather. To prevent this, inspect your vents, seal any gaps, and install fine mesh screens where necessary.

Though it may seem redundant, you can absolutely have a central AC unit and a window AC in your home. In fact, if you place a window AC unit near your central air, it can help move the cooler air throughout your home. But doubling up on your AC methods can get pricey, so factor in cost accordingly.

A blockage in the ductwork may prevent air from flowing through the vent. If some rooms in your home are very hot or cold and another isn't, that can be a sign that a vent is blocked. Another sign of a blockage is a buildup of dirt or dust around the vent. In either case, a duct installer or cleaning service can investigate the issue for you and recommend a course of action.

The Cameron, WI homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Angi
•
Oct 20, 2025Oct 20, 2025
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How Much Are Outdoor Wood Furnace Prices? [2025 Data]
When you’re looking for a way to keep warm this winter, check out outdoor wood furnace prices based on size, installation, and other cost factors.
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Oct 20, 2025Oct 20, 2025
How Much Does It Cost to Replace an AC Condenser? [2025 Data]
If you’re having problems with your air conditioner’s condenser, it may be time for an upgrade. Learn about the cost to replace an AC condenser in this guide.
Melissa Graham
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Nov 6, 2025Nov 6, 2025
Heat Pump Not Blowing Hot Air? 7 Issues That May Be the Culprit
Is your heat pump not blowing hot air? Several factors could be causing this issue, and we dive into seven of the most common heat pump issues.
Kelly Weimert
•
Nov 6, 2025Nov 6, 2025
7 Signs You Should Replace Your Heating System
Don't get left out in the cold. These warning signs can help you determine whether you need to replace your heating system to keep you cozy all season long.
Mizuki Hisaka
•
Nov 10, 2025Nov 10, 2025
When to Replace Your Boiler: Learn About These 7 Signs
Knowing when to replace your boiler will help you avoid last-minute emergencies in the middle of winter. Here are seven signs that you may need a brand-new unit.