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TRUSTED BY HAMMOND, WI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon164
    Verified heating and air conditioning services reviews

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

*The Angi rating for Heating And Air Conditioning Service companies in Hammond, 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 Hammond, 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 January 23, 2026

Find Heating and air conditioning pros in Hammond

Avatar for Comfort by Design
Comfort by Design
4.6(
77
)

Serving Hammond, WI and surrounding areas

Approved (Corporate)

In business since 1991

Free estimates

Emergency services offered

"After reading all of the horror stories people tell about HVAC companies, I feel a little out of place writing a raving positive review about the company I do business with. From the call to schedule a service to the salesperson helping us decide which stove best fits our needs to the technicians who install or service our equipment, every contact with Comfort by Design is like living in a commercial where everything goes right. The company always lives by its quotes, the technicians always go beyond the expected, and for the first time in my life I am not tempted to do the work myself to avoid the hassle and disappointment when the work isn't done well, quickly, or for the price I expected. If they keep this up, I won't know how to do anything for myself in a couple of years."
Solar Panel Installation
Geothermal Efficiency
Replace Wood Burning Fireplaces with a Gas
Solar Panel Installation
Don’t let winter catch you unprepared. Ensure your furnace is ready with expert maintenance and repairs.

+11

39 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Countryside Plumbing & Heating Inc
Countryside Plumbing & Heating Inc
4.6(
80
)

Serving Hammond, WI and surrounding areas

Approved

In business since 1950

Free estimates

Emergency services offered

"Performed a great service for me and always reliable don't see to anything better than that."
Additional Photos
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+1

2 neighbors recently requested a quote
Recommended by88%of homeowners
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Avatar for Clean-Air-Pro
Clean-Air-Pro
5.0(
80
)

Serving Hammond, WI and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Bill explained what he would be doing; took pictures before and after. We are very glad we had this done and would recommend Clean-Air Pro (with Bill as technician) to everyone."
Dryer Vent
Standard Before and After- Air Duct Cleaning
Standard Before and After- Air Duct Cleaning
Standard Before and After- Air Duct Cleaning
Standard Before and After- Air Duct Cleaning

+15

Response time2 hrs
Response rate100%
5 neighbors recently requested a quote
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Avatar for Up-Front Heating & Air LLC
Up-Front Heating & Air LLC
5.0(
11
)

Serving Hammond, WI and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"Great job, great experience, great person. Jobs were completed professionally and throughly. My best HVAC experience ever."
Response time10 hrs
10 neighbors recently requested a quote
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Avatar for Hoffman Cooling & Heating
Hoffman Cooling & Heating
4.2(
55
)

Serving Hammond, WI and surrounding areas

In business since 1947

Free estimates

Emergency services offered

"Wonderful! Very professional, answered my questions and got the work done in a timely manner. Courteous, helpful and local. Hoffman Cooling & Heating was a familiar name for me and I was pleased at the great job they did! I’d recommend them!"
Heat pump installation
Heat pump installation
Additional Photos
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+5

Recommended by71%of homeowners
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Avatar for Spiess Carpet Cleaning
Spiess Carpet Cleaning
4.8(
399
)

Serving Hammond, WI and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"Great - the carpets had not been cleaned for over 15 years and after 3 boys, and 3 dogs, it needed a thorough job. Jeff did what he said they were going to do -- get the carpets looking almost new again. We are very pleased with the service! Money well spent!"
Additional Photos
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+2

Recommended by95%of homeowners
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Avatar for Stellar Techs Home Services LLC
Stellar Techs Home Services LLC
4.7(
29
)

Serving Hammond, WI and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"The representative from stellar was professional and very knowledgeable. He not only solved my air conditioning probably also solved my water softener problem. I ended up purchasing a home maintenance program or theyâ ll come out twice a year and inspect all the major mechanical devices in my house. The price was less than half of what I would pay for the value Iâ m getting. This is a good company and I will recommend them to everyone I know."
Furnace Maintenance
Furnace Maintenance
Air Exchanger Maintenance
Air Exchanger Maintenance
AC Maintenace

+2

Response time1 day
Recommended by96%of homeowners
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Heating and Air Conditioning questions, answered by experts

You can run an HRV with air conditioning—assuming that you decide to keep the system on during the summer. The HRV will continue to bring in fresh outdoor air, which will then flow into your AC unit and cool down your home. It will also keep moving the stuffy indoor air out of your house.

The standard HVAC warranty is around five years. Still, many brands offer an extension to 10 years if you register the product within a specific timeframe, typically 60 to 90 days post-purchase or HVAC installation. Over the past decade, warranty periods have substantially increased, shifting from 3-5 years in the 90s to the now-prevalent 10+ year warranties. Both warranty types cover parts failing due to manufacturer defects, incurring no additional costs. Some manufacturers provide extended warranties surpassing the usual 15- to 20-year window, though these often involve extra fees. 

Yes. Return air vents are responsible for gathering and pulling in the warmer air. Once they draw it in, your system conditions the air by removing the warmer molecules from it, allowing your air conditioner to dispense the cooler air back into your home. Not only does this create a more comfortable environment for you, but it also keeps your air conditioner from overworking, resulting in lower energy bills. 

A damper motor can last up to 15 years, but it can wear out more quickly than that if you run your HVAC unit a lot. So you might expect a longer life in a colder climate than if you live in a warmer climate.

A dirty air conditioning coil can cause your unit to work overtime, leading to reduced efficiency, higher energy use, more wear and tear, and possible ice buildup. If the coils corrode, refrigerant can leak, causing damage, possible mold growth, and an expensive repair bill. By cleaning your AC coils once a year, you’ll have a more efficient unit that’s likely to last longer.

The Hammond, 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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