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TRUSTED BY BELOIT, WI HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon146
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Beloit

Avatar for ThermaTek Heating and Air

ThermaTek Heating and Air

4.73(
327
)
Approved Pro

ThermaTek Heating and Air

4.73(
327
)
Approved Pro
Super Service Award
Customers say: Quick response
8 years of experience
Free onsite estimate

Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!

"Very courteous and prompt. Explained everything as well as showed me the issue. Ended up having to have a new home heater. Helped to get a decent discount. Installed the new system the very next evening, fairly late 5:30-8:30 pm. The service call on the first of the new year was then returned to me. The service tech that came out, I am very impressed with. The care and service they give is absolutely outstanding. He did say he did not put my filter back in and I would need to purchase a filter in the next couple of days. He also explained the gimmick about the costly filters, which I never knew. The payments posted my accounts the very next morning. I would definitely recommend this company! I didn’t feel blindsided or taken advantage of, being a single female this is a huge plus! "

Tasha J on January 2026

Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!

"Very courteous and prompt. Explained everything as well as showed me the issue. Ended up having to have a new home heater. Helped to get a decent discount. Installed the new system the very next evening, fairly late 5:30-8:30 pm. The service call on the first of the new year was then returned to me. The service tech that came out, I am very impressed with. The care and service they give is absolutely outstanding. He did say he did not put my filter back in and I would need to purchase a filter in the next couple of days. He also explained the gimmick about the costly filters, which I never knew. The payments posted my accounts the very next morning. I would definitely recommend this company! I didn’t feel blindsided or taken advantage of, being a single female this is a huge plus! "

Tasha J on January 2026


Avatar for KETTLE MORAINE HEATING & AIR CONDITIONING LLC

KETTLE MORAINE HEATING & AIR CONDITIONING LLC

4.88(
119
)
Approved Pro

KETTLE MORAINE HEATING & AIR CONDITIONING LLC

4.88(
119
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
39 years of experience

Kettle Moraine Heating & Air Conditioning, LLC is a third-generation family-owned business that has been serving Southeastern Wisconsin for over 35 years. Our mission is to provide our customers with peace of mind and 5-star service. We specialize in air conditioning, furnaces, boilers, ductless mini-splits, solar, backup generators, radon mitigation, plumbing and electrical services. Additionally, we are the region’s premier installer of Lennox energy-efficient heating and cooling systems and Mitsubishi ductless mini-split systems. With an unwavering commitment to our customers, you can count on us to deliver the personalized care you deserve. • 24/7 Emergency Service • Tune-Ups/Maintenance Plans • 0% Financing

"This company is amazing! I would recommend them 10times over. The job was gone quickly and with such precision. They care about their customers and will go to lengths that most companies, nowadays, have forgotten. The owner himself is not afraid to work hard and do what needs to be done. Sherry was beyond helpful and supportive throughout the process. If you want the job done right, this is your company."

Nichole S on November 2022

Kettle Moraine Heating & Air Conditioning, LLC is a third-generation family-owned business that has been serving Southeastern Wisconsin for over 35 years. Our mission is to provide our customers with peace of mind and 5-star service. We specialize in air conditioning, furnaces, boilers, ductless mini-splits, solar, backup generators, radon mitigation, plumbing and electrical services. Additionally, we are the region’s premier installer of Lennox energy-efficient heating and cooling systems and Mitsubishi ductless mini-split systems. With an unwavering commitment to our customers, you can count on us to deliver the personalized care you deserve. • 24/7 Emergency Service • Tune-Ups/Maintenance Plans • 0% Financing

"This company is amazing! I would recommend them 10times over. The job was gone quickly and with such precision. They care about their customers and will go to lengths that most companies, nowadays, have forgotten. The owner himself is not afraid to work hard and do what needs to be done. Sherry was beyond helpful and supportive throughout the process. If you want the job done right, this is your company."

Nichole S on November 2022


Avatar for Southport Home Services

Southport Home Services

5.00(
10
)
Approved Pro

Southport Home Services

5.00(
10
)
Approved Pro
Customers say: Quick response
21 years of experience
Free onsite estimate

At Southport Home Services, we're A+ rated by the BBB. Our technicians are NATE certified to meet national standards of excellence, and we're a Carrier® Factory Authorized Dealer, recently cited as the top medium-sized business to work for by the Milwaukee Journal Sentinel. We treat our team well and hold them to high professional standards. Our up front, transparent pricing, great customer service, and honesty in our business practices make us the plumbing and HVAC company that you'll feel good working with on a regular basis, with 100% satisfaction guaranteed.

"Jacob from Southport came out for an on-site inspection of my furnace. He inspected the unit and ran a full set of tests for functionality. I received detailed answers to all my questions, and it was overall a great visit. "

Andy B on January 2026

At Southport Home Services, we're A+ rated by the BBB. Our technicians are NATE certified to meet national standards of excellence, and we're a Carrier® Factory Authorized Dealer, recently cited as the top medium-sized business to work for by the Milwaukee Journal Sentinel. We treat our team well and hold them to high professional standards. Our up front, transparent pricing, great customer service, and honesty in our business practices make us the plumbing and HVAC company that you'll feel good working with on a regular basis, with 100% satisfaction guaranteed.

"Jacob from Southport came out for an on-site inspection of my furnace. He inspected the unit and ran a full set of tests for functionality. I received detailed answers to all my questions, and it was overall a great visit. "

Andy B on January 2026


Avatar for Fab Tek Custom Sheet Metal & HVAC, LLC

Fab Tek Custom Sheet Metal & HVAC, LLC

4.94(
9
)
Approved Pro

Fab Tek Custom Sheet Metal & HVAC, LLC

4.94(
9
)
Approved Pro
Customers say: Quick response
7 years of experience
Free onsite estimate

An HVAC system that works well ensures you get better performance that remains easy on the energy costs. Let our team optimize your property. When you hire us, you can always expect quick project completion and quality of work that generates lasting results. FabTek Custom Sheet Metal & HVAC is there when you need us. We serve Milton & Janesville and the surrounding areas and are available Monday-Friday, from 8:00 a.m.-5:00 p.m. Call us for a written estimate and learn how we will improve your property.

"I couldn't be more thrilled with the service I received from Mark at Fabtek! From the very first consultation to the final installation of my new AC unit and furnace, Mark delivered top-tier professionalism, craftsmanship, and care. He took the time to walk me through all my options, answered every question patiently, and made sure I felt confident in my choices. The installation itself was smooth, efficient, and done to perfection. You can tell Mark takes great pride in his work—everything looks clean, functions flawlessly, and was completed right on schedule. He even went above and beyond to ensure the space was tidy when he finished. And the pricing? Incredibly affordable, especially considering the quality of work and equipment. No hidden fees, no surprises—just honest, excellent service. If you're looking for someone dependable, skilled, and fairly priced, look no further than Mark at Fabtek. Highly recommended! "

LYLE M on July 2025

An HVAC system that works well ensures you get better performance that remains easy on the energy costs. Let our team optimize your property. When you hire us, you can always expect quick project completion and quality of work that generates lasting results. FabTek Custom Sheet Metal & HVAC is there when you need us. We serve Milton & Janesville and the surrounding areas and are available Monday-Friday, from 8:00 a.m.-5:00 p.m. Call us for a written estimate and learn how we will improve your property.

"I couldn't be more thrilled with the service I received from Mark at Fabtek! From the very first consultation to the final installation of my new AC unit and furnace, Mark delivered top-tier professionalism, craftsmanship, and care. He took the time to walk me through all my options, answered every question patiently, and made sure I felt confident in my choices. The installation itself was smooth, efficient, and done to perfection. You can tell Mark takes great pride in his work—everything looks clean, functions flawlessly, and was completed right on schedule. He even went above and beyond to ensure the space was tidy when he finished. And the pricing? Incredibly affordable, especially considering the quality of work and equipment. No hidden fees, no surprises—just honest, excellent service. If you're looking for someone dependable, skilled, and fairly priced, look no further than Mark at Fabtek. Highly recommended! "

LYLE M on July 2025


Avatar for Rock Valley Services, Inc.

Rock Valley Services, Inc.

4.94(
9
)
Approved Pro

Rock Valley Services, Inc.

4.94(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 years of experience

Rock Valley Services, Inc., is a locally owned and operated HVAC company that has been proudly serving Rock county for over 15 years. We are a residential heating and air conditioning contractor that provides exceptional quality and workmanship with every project we take on. Currently, we do not work on mobile homes and apologize for the inconvenience. Call today to schedule your appointment; we look forward to meeting you!

"Great company , great prices, great service."

Evelyn M on October 2017

Rock Valley Services, Inc., is a locally owned and operated HVAC company that has been proudly serving Rock county for over 15 years. We are a residential heating and air conditioning contractor that provides exceptional quality and workmanship with every project we take on. Currently, we do not work on mobile homes and apologize for the inconvenience. Call today to schedule your appointment; we look forward to meeting you!

"Great company , great prices, great service."

Evelyn M on October 2017


Affordable Quality Heating & Air Conditioning, LLC

5.00(
6
)
Approved Pro

Affordable Quality Heating & Air Conditioning, LLC

5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional, efficient, friendly, and thorough. Highly recommend Ben and Affordable Quality Heating and AC."

Mike S on October 2024

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional, efficient, friendly, and thorough. Highly recommend Ben and Affordable Quality Heating and AC."

Mike S on October 2024


Avatar for S.R.M Contracting

S.R.M Contracting

3.94(
16
)
Approved Pro

S.R.M Contracting

3.94(
16
)
Approved Pro
Customers say: Quality work
Free onsite estimate
Emergency services offered

S.R.M CONTRACTING has been in business for the last 3 years. Any job I take on. I work at it as if I was working on my own stuff. I am honest and to the point. I will not waste your money or my time. We have the experience and dedication to get the job done right! We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"No-show. He forgot."

Erik S on October 2025

S.R.M CONTRACTING has been in business for the last 3 years. Any job I take on. I work at it as if I was working on my own stuff. I am honest and to the point. I will not waste your money or my time. We have the experience and dedication to get the job done right! We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"No-show. He forgot."

Erik S on October 2025


Avatar for Sears Home Services of Milwaukee

Sears Home Services of Milwaukee

5.00(
1
)
Approved Pro

Sears Home Services of Milwaukee

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 years of experience

Sears Home Services has helped consumers transform their homes for over 100 years. Trust our experts to replace, repair or maintain your heating and cooling systems. Right now, you can save $325 on a new HVAC purchase of $1,500 or more. Restrictions apply. And, if you need HVAC repair or maintenance, ask about our HVAC Savings Program. Every paid HVAC repair and maintenance service with Sears Home Services earns you dollar for dollar savings towards your next HVAC replacement, up to 10% of your new unit purchase price.

"They were on-time, and went above and beyond to make sure everything was addressed."

William B on January 2018

Sears Home Services has helped consumers transform their homes for over 100 years. Trust our experts to replace, repair or maintain your heating and cooling systems. Right now, you can save $325 on a new HVAC purchase of $1,500 or more. Restrictions apply. And, if you need HVAC repair or maintenance, ask about our HVAC Savings Program. Every paid HVAC repair and maintenance service with Sears Home Services earns you dollar for dollar savings towards your next HVAC replacement, up to 10% of your new unit purchase price.

"They were on-time, and went above and beyond to make sure everything was addressed."

William B on January 2018


Sears Home Services- Milwaukee HVAC

New on AngiNew on Angi
Approved Pro

Sears Home Services- Milwaukee HVAC

New on AngiNew on Angi
Approved Pro
133 years of experience

Transform Home Improvements has been helping homeowners turn their improvement dreams into reality for more than 20 years. We provide a complete remodel solution, from selecting and ordering materials to installation and beyond with expert, dedicated support every step of the way. Need a complete overhaul or just updating your shower or vanity? With our robust financing options* and a full catalog of material selections to meet every budget, schedule your no-obligation in-home consult to see just how affordable your dream bathroom can be. Every project comes with our satisfaction guarantee and applicable multi-year warranties. Make this your easiest improvement project yet with Transform Home Improvements.

Transform Home Improvements has been helping homeowners turn their improvement dreams into reality for more than 20 years. We provide a complete remodel solution, from selecting and ordering materials to installation and beyond with expert, dedicated support every step of the way. Need a complete overhaul or just updating your shower or vanity? With our robust financing options* and a full catalog of material selections to meet every budget, schedule your no-obligation in-home consult to see just how affordable your dream bathroom can be. Every project comes with our satisfaction guarantee and applicable multi-year warranties. Make this your easiest improvement project yet with Transform Home Improvements.


"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

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Heating and Air Conditioning questions, answered by experts

The difference between a home surge protector and an HVAC surge protector is that an HVAC surge protector is designed to protect the components inside your HVAC unit while a home surge protector is installed near appliances and meant to protect your entire home. There are three tiers of whole-house surge protectors, and they are more expensive to install than HVAC surge protectors.

There are a few ways to determine if a vent is open or closed. You can inspect the vent and examine the position of the fins. If there are spaces between them, the vent is open. If the fins are flat and touching, the vent is closed. You can also stand under the vent when the system is running to see if you feel air flowing through it.

As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.

Yesh, heat pumps can easily cool homes when the weather reaches over 100 degrees Fahrenheit, just as powerful air conditioners can. The key is sizing the heat pump correctly for the size of your home and your climate. A local heat  pump professional can help you determine the right size and type for your home.

While spending money once or twice a year to tuneup your AC and furnace might seem like a waste of money, think again. The cost of HVAC maintenance is far less than the cost of replacing your furnace or AC unit, regardless of the type of HVAC system you have. Paying this smaller fee now will help you avoid paying much more significant costs in the future. Not to mention, having a serviced AC and heating system will help keep your home comfortable, no matter the season. 

The Beloit, 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.

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