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Our technicians are the best in the business: they are EXPERTS in all things HVAC!

In homes and businesses across the country, HVAC systems are responsible for air quality and comfort. Every individual is affected by the way those systems are running, so it’s important to understand what you can do to properly maintain them. At CW Suter Services, we understand that HVAC isn’t a simple, cut-and-dry subject. We’re proud of the fact that we’re Siouxland’s most trusted source for HVAC information. You can always count on finding current, relevant, and interesting information on Suter News. Our newsletter is full of tips, advice, special offers, and more. Below, you’ll find questions that other commercial or residential customers have sent us, along with the answers our experts provided.
Giving our customers a reliable source for information is a priority for us. What better way to provide that than to offer you the experience and knowledge of our team? From questions on heating and cooling, to energy efficiency or indoor air quality, to maintenance and repair (or replacement!) of your furnace or air conditioning systems, our EXPERTS have you covered.

Do you have a question?Ask your HVAC expert today! Ask your HVAC expert today! If we think your question may help someone else, it will be featured on this very page!

Dear Expert,

So, how important is Indoor Air Quality, really?

Bruce J.,
Salix, IA

Dear Bruce J.,

The Environmental Protection Agency (EPA) has ranked indoor air quality (IAQ) as one of the top five environmental risks to the health of the public. Common symptoms for exposure to indoor air pollutants include fatigue, headaches, nausea, scratchy throat and nasal irritation.

You can learn more about IAQ and how if affects you by reading about our residential Indoor Air Quality services.
If you’re interested, you can also learn more about what we can do to help with Indoor Air Quality on a commercial scale.

Allergies, Asthma, and IAQ: What You Need to Know

Your Expert,

Dear Expert,

We have negative air flow in our house. What should we do?


Dear Anonymous,

Negative air flow is created by an air pressure imbalance: commonly, negative air pressure.
Your answer depends on where the issue begins. Negative Air Pressure is not simply an annoyance: it’s often a symptom of a more involved issue, and can sometimes indicate very real health and/or safety issues, the most frightening of which is the potential for Carbon Monoxide poisoning.

Several factors come into play when hunting down the source of your problem: the type of furnace and air handler your home uses, whether or not your home has a fireplace, your home’s quality of windows, doors, and insulation…all of these can play their part when it comes to the way air flow happens in your home.

Your question is not an uncommon one, so we’ve put together some more detailed information for you, and anyone else who might be suffering similar pressure imbalance. You can read our Expert HVAC opinion here: Negative Air Pressure: Symptoms, Dangers, Solutions

When it comes down to it, the best advice we can give you is to get an expert opinion. Every home and every family is unique and, while many people may have a complaint similar to yours, the underlying issue is likely to be unique to you. Our Home Comfort Assessment is free, and our experts can come take a look at your home and offer solutions that are right for you. Schedule your assessment online or by phone.


The Importance of Proper HVAC Installation

Your Expert,

Dear Expert,

My furnace is almost 30 years old. If I get a new one, how long should it last? Do new models last as long as the old ones, or are they not built as good these days?

Woodbury County, IA

Dear Jerry,

At 30 years old, it’s likely that your furnace is showing it’s age. In the years since yours was installed, the heating and cooling industry has made incredible advances in technology; they’re definitely built to last.  With proper service and maintenance, a new furnace could take you through another 3 decades.

A new, energy-efficient heating system will help you cut your energy bills AND make your home more comfortable. We can provide you with a (free, no obligations) Home Comfort Assessment: one of our fully trained, certified technicians will visit your home, evaluate your systems, and make recommendations based on what would work best for you, your home, and your wallet. We can also discuss the financing options available, if you’d like. We’d be happy to discuss this further with you: give us a call, or schedule your Home Comfort Assessment.


Your Expert,

Dear Expert,

It seems like my house is dusty ALL OF THE TIME. Would it help if I have my ducts cleaned? About how much would it cost to have you do this?

Brandee J,
Sioux City, IA

Dear Brandee J,

You are not alone – so many homes have the same problem! Having your ducts cleaned would ABSOLUTELY help with the dust problem.

While it’s frustrating to see dust built up only a couple of days after you’ve cleaned, keep in mind that appearances aren’t the only reason to tackle your dust.

Consider the following: Americans spend 60-90% of their time indoors. The average 6-room home collects up to 40 POUNDS of dust each year; this affects the air quality that you’re spending 60-90% of your time living in!

The cost for this service varies, depending on the size of your home. Many homeowners report that the increased efficiency of their systems and, often, decreased number of visits to a doctor (for colds and allergy treatments) offset the cost of the duct cleaning service.


Learn more about Indoor Air Quality

Your Expert,

Dear Expert,

Which make/models of furnace do you service?

Janice K.,
Sioux City, IA

Dear Janice K.,

We service all makes and models (heating AND cooling!) and we’re proud to offer two high-performance brand name lines: Lennox, with its 100-year history of providing home comfort products, and Maytag, offering its great 12-year worry-free parts and labor warranty. Both brands are leaders in the industry.

Our entire equipment line:


Heating and Cooling and Sustainability

Your Expert,

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