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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon32
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Underwood, MN

*The Angi rating for Heating And Air Conditioning Service companies in Underwood, MN 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 Underwood, MN 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 11, 2025

Find Heating and air conditioning pros in Underwood

Avatar for Aquarius Home Services

Aquarius Home Services

4.70(
196
)
•Approved Pro

Aquarius Home Services

4.70(
196
)
•Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
441 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

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

Avatar for 8th Fire Solar

8th Fire Solar

5.00(
6
)

8th Fire Solar

5.00(
6
)
Customers say: Quick response
7 years of experience

8th Fire Solar specializes in solar heating for homes, businesses, and other buildings. - Installation; Installation on residential, commercial, and other structures. Vetted installation team with testimonials to back. 40+ installations done by our installation specialists. Simple, 2-3 day process for most installations. - Assessing; Free solar site assessments for sites within a reasonable distance. Quick, simple, reliable assessment process. We can assess your home or business's solar resource for the whole year. - Manufacturing Patented & tested product. We proudly source our installation and manufacturing materials locally and regionally. Indigenous-led manufacturing and installation. 95% of our materials are sourced in the states. We offer the highest BTU-per-dollar ratio in solar heating technology. Indigenous-led, renewable heating specialists. Simple DIY installations, shipped nationwide or installed regionally. Small, tight-knit, & experienced team with 7 years in the solar field. Our installation team has backgrounds in drywalling, construction, & interior carpentry. We are a small team, so we treat every customer as part of our team.

"Really helpful and accessible staff -- they spent time with us to ensure we understood everything about install and had all of the materials we needed. They showed us around their shop -- what a great technology! We are looking forward to electricity savings and a nice warm shop on our property. Even better to be able to support a Native-owned and operated business that is creating jobs in a rural area!"

Corrie G on February 2024

8th Fire Solar specializes in solar heating for homes, businesses, and other buildings. - Installation; Installation on residential, commercial, and other structures. Vetted installation team with testimonials to back. 40+ installations done by our installation specialists. Simple, 2-3 day process for most installations. - Assessing; Free solar site assessments for sites within a reasonable distance. Quick, simple, reliable assessment process. We can assess your home or business's solar resource for the whole year. - Manufacturing Patented & tested product. We proudly source our installation and manufacturing materials locally and regionally. Indigenous-led manufacturing and installation. 95% of our materials are sourced in the states. We offer the highest BTU-per-dollar ratio in solar heating technology. Indigenous-led, renewable heating specialists. Simple DIY installations, shipped nationwide or installed regionally. Small, tight-knit, & experienced team with 7 years in the solar field. Our installation team has backgrounds in drywalling, construction, & interior carpentry. We are a small team, so we treat every customer as part of our team.

"Really helpful and accessible staff -- they spent time with us to ensure we understood everything about install and had all of the materials we needed. They showed us around their shop -- what a great technology! We are looking forward to electricity savings and a nice warm shop on our property. Even better to be able to support a Native-owned and operated business that is creating jobs in a rural area!"

Corrie G on February 2024

Avatar for J Brothers Mechanical Plus

J Brothers Mechanical Plus

5.00(
8
)

J Brothers Mechanical Plus

5.00(
8
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Service plumbing, service heating and cooling, new construction plumbing, Heating, and cooling, equipment replacement.

"Excellent work done by J Brothers. Very professional and friendly. Got the job done in a timely manner and covered all the bases. Will hire again for all plumbing and HVAC needs! Only company I trust to get the job done."

Tyler B on December 2022

Service plumbing, service heating and cooling, new construction plumbing, Heating, and cooling, equipment replacement.

"Excellent work done by J Brothers. Very professional and friendly. Got the job done in a timely manner and covered all the bases. Will hire again for all plumbing and HVAC needs! Only company I trust to get the job done."

Tyler B on December 2022

Avatar for Second Nature (Formerly FilterEasy)

Second Nature (Formerly FilterEasy)

5.00(
1
)

Second Nature (Formerly FilterEasy)

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.

Avatar for Greeley Plumbing, Heating & Air Conditioning

Greeley Plumbing, Heating & Air Conditioning

5.00(
4
)

Greeley Plumbing, Heating & Air Conditioning

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Founded in 1988, Greeley Plumbing, Heating & Air Conditioning continues as a Bryant Factory Authorized Dealer with a tradition of fast, friendly, hometown service. Greeley provides the entire Pope & Douglas County area with air conditioning, heating, and indoor air quality equipment and service—including hot water heaters and boilers—plus full-service plumbing, sewer and drain repair.

"Guy, the Installer, was punctual and professional. System works well. Great improvement in comfort after the humidifier was added. Mandy was helpful in getting me connected to Dustin. Appointments available within a couple of days."

BRUCE B on January 2018

Founded in 1988, Greeley Plumbing, Heating & Air Conditioning continues as a Bryant Factory Authorized Dealer with a tradition of fast, friendly, hometown service. Greeley provides the entire Pope & Douglas County area with air conditioning, heating, and indoor air quality equipment and service—including hot water heaters and boilers—plus full-service plumbing, sewer and drain repair.

"Guy, the Installer, was punctual and professional. System works well. Great improvement in comfort after the humidifier was added. Mandy was helpful in getting me connected to Dustin. Appointments available within a couple of days."

BRUCE B on January 2018

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Heating and Air Conditioning questions, answered by experts

For washable or electrostatic air conditioner filters, you can soak and rinse them with water. If you rinse the filter with water, make sure to use a faucet, shower head, or garden hose with a gentle water pressure setting, as strong water pressure could damage the filter.

But for disposable filters, water could ruin the filter, even allowing mold to grow in the filter. Instead, these filters should be replaced.

You will only need to refill your AC with refrigerant if it has a leak. Otherwise, a modern, well-maintained AC will most likely never need a recharge. You may notice a leak in an older system if your bills are higher, you hear a hissing sound, or if the air is blowing out hot.

AC capacitors typically last for a long time and many last for the life of the air conditioning unit. You can expect to get about 20 years out of an AC capacitor. When an AC capacitor suffers an untimely death, it’s usually due to overheating, a power surge, or a short circuit. You can prevent these events from happening and extend the life of an AC capacitor by getting regular AC maintenance every year.

There are likely dozens of HVAC repair companies that service your area, and choosing the right one can be a tricky process. To hire the right HVAC technician, we recommend reaching out to local companies and ask the following questions:

  • Are you licensed and insured?

  • Do you have any third-party certifications?

  • Do you often work on my specific type of HVAC system?

  • Do you provide any warranty for your work?

  • Do you offer maintenance contracts for ongoing savings?

  • How many years of experience do you have?

Yes. In fact, not only are AC tuneups worth it, but they’re actually necessary to keep your air conditioner in good condition, improve its efficiency, and potentially prevent major damage. Experts recommend getting a tuneup at least once per year. In most cases, you’ll want to schedule it during the spring so that you can address any issues before the hottest months of the year.

The Underwood, MN 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