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Recent Blog Posts

Signs Your Water Heater Needs Repair or Replacement

July 31, 2026 | Intelligent Service

Your water heater plays a major role in your home’s daily comfort, providing hot water for showers, laundry, dishes, and more. Because it works constantly behind the scenes, it can be easy to overlook signs of…

Why Your Air Conditioner Is Blowing Warm Air

June 30, 2026 | Intelligent Service

Few things are more frustrating during the summer than turning on your air conditioner and feeling warm air coming from the vents. When your AC system is not cooling properly, it can quickly make your home uncomfortable…

Why Your Air Conditioner Isn’t Cooling Your Home Properly

May 31, 2026 | Intelligent Service

A malfunctioning air conditioner can turn a hot summer day in Mount Prospect into an uncomfortable experience. If your home isn’t staying cool, it could be due to a variety of issues—some simple and others…

Meet The Team Behind Your Trusted Plumbing, Heating & Air Conditioning Service

May 22, 2026 | Intelligent Service

When you invite a home service company into your house, you do more than open the door to a uniform. You trust someone with your home’s comfort, safety, and essential systems. Our Meet the Team video gives you a closer…

How to Lower Your Energy Bills During the Summer With HVAC Maintenance

April 30, 2026 | Intelligent Service

Summer in Mount Prospect can bring long, hot days that put extra strain on your HVAC system. As your air conditioner works overtime to keep your home comfortable, energy bills can quickly rise. One of the most effective…

Tank vs. Tankless Water Heaters: Which Is Right for Your Home?

March 31, 2026 | Intelligent Service

When it comes to choosing a water heater, homeowners often face a key decision: should you stick with a traditional tank water heater or switch to a tankless system? Both options have unique advantages and…

Understanding the Lifespan of Your Home’s HVAC and Plumbing Systems

February 28, 2026 | Intelligent Service

Maintaining your home’s HVAC and plumbing systems is essential for comfort, efficiency, and long-term cost savings. Understanding the typical lifespan of these systems helps homeowners plan for maintenance,…

How to Detect and Fix Hidden Leaks in Your Home

January 31, 2026 | Intelligent Service

Hidden leaks in your home can cause serious damage if left undetected. From increasing your water bill to promoting mold growth and structural damage, even a small leak can escalate into a costly problem. Knowing how to…

Genius Club Membership: Preventive HVAC & Plumbing Maintenance for Your Home

January 14, 2026 | Intelligent Service

Most homeowners don’t want to wait for a breakdown to find out something is wrong. We hear it all the time: people call Intelligent Service because they want a trained set of eyes on their home systems, just to…

Hands adjusting an air vent for optimal ventilation indoors.

How to Improve Indoor Air Quality in Your Home Year-Round

January 1, 2026 | Intelligent Service

Indoor air quality (IAQ) plays a crucial role in your home’s comfort, health, and energy efficiency. Poor air quality can lead to allergies, respiratory issues, and general discomfort for you and your family.…

Gray furnace pipe emits dark smoke in a minimal room, highlighting potential ventilation issues.

Why Improper Venting Causes Recurring Shutdowns

December 15, 2025 | Intelligent Service

Another cold shower. Another repair bill. If your tankless water heater keeps shutting down, you’re not just unlucky—and you’re definitely not alone. Many Northwest Chicago homeowners call us after…

Community Involvement: How Intelligent Service Gives Back to the Northwest Chicago Community

December 10, 2025 | Intelligent Service

At Intelligent Service, we talk a lot about comfort, safety, and being good neighbors. Our Community Involvement video shows what that looks like when you strip away the logos and step into real homes, local…

Winterizing Your Home: Essential Plumbing and HVAC Steps

November 30, 2025 | Intelligent Service

When the temperatures drop, your home’s plumbing and HVAC systems face some of their toughest challenges. Cold weather in the Chicago area can lead to frozen pipes, higher energy bills, and unexpected system…

Smart Thermostats: Are They Worth the Investment?

October 31, 2025 | Intelligent Service

In today’s world, homeowners are constantly looking for ways to save money and make life more convenient. One technology that has gained popularity is the smart thermostat. Unlike traditional thermostats, smart…

Energy-Efficient HVAC Tips That Actually Save Money

September 30, 2025 | Intelligent Service

Keeping your home comfortable shouldn’t mean draining your wallet with high energy bills. Your HVAC system works hard year-round, but without the right strategies, it can cost more than it should. By making a few…

Open packet of disposable wipes on ceramic surface, Intelligent Service branding in background.

The Truth About “Flushable” Products: What Should Never Go Down Your Toilet

September 4, 2025 | Intelligent Service

We’ve all seen packaging that claims a wipe, pad, or cleaning product is “flushable.” It sounds convenient, but the truth is these items often cause serious plumbing issues. Even products marketed as…

Modern basement with a water heater and boiler system installed, next to stairs for efficient home heating.

10 Expert Tips for Handling Boiler Emergencies in Mount Prospect, IL

August 5, 2025 | Intelligent Service

Did you know that nearly 50% of boiler malfunctions occur due to lack of maintenance? When a boiler emergency strikes, knowing how to respond can make all the difference. From recognizing warning signs to ensuring your…

Basement HVAC system with a water heater and furnace, showcasing ductwork and ventilation pipes for home heating.

7 Clear Benefits of Professional Furnace Installation in Park Ridge, IL

August 5, 2025 | Intelligent Service

Did you know that a professionally installed furnace can greatly reduce your energy bills? Many homeowners overlook this essential aspect, often leading to inefficiencies and safety concerns. By understanding the…

7 Helpful Tips to Repair a Faulty Water Heater in Palatine, IL

August 5, 2025 | Intelligent Service

If you’re dealing with a faulty water heater in Palatine, IL, it can be frustrating. But before you call for help, there are some straightforward steps you can take to troubleshoot the issue. From checking the…

Plumber using a drain snake to unclog a bathtub in a tiled bathroom.

How Professional Drain Cleaning Protects Your Mount Prospect, IL Home

August 5, 2025 | Intelligent Service

Think of your plumbing system as the veins of your home, essential for its health and functionality. Just like a blocked artery can lead to serious issues, clogged drains can spell trouble for your Mount Prospect…

Person adjusting water heater expansion tank with wrench in home basement.

Must-Know Water Heater Repair & Maintenance Tips for Northbrook, IL Homeowners

August 5, 2025 | Intelligent Service

Did you know that nearly 75% of water heaters fail due to a lack of proper maintenance? As a homeowner in Northbrook, IL, you can’t afford to overlook this essential aspect of home care. Regular upkeep can extend…

Hands repairing an HVAC unit with wires exposed, showcasing maintenance work and expertise.

Top 7 Warning Signs Your Furnace Needs Quick Repair in Glenview, IL

August 5, 2025 | Intelligent Service

If you’ve noticed that one room in your Glenview home is freezing while another feels like a sauna, it might be time to pay attention. There are several signs your furnace might need immediate attention. Ignoring…

Worker using drain cleaning machine in garden area for plumbing maintenance.

Eco-Friendly Drain Cleaning Solutions for Arlington Heights, IL Homes

July 5, 2025 | Intelligent Service

When it comes to keeping your drains flowing smoothly, it’s best to opt for a more gentle approach. Eco-friendly drain cleaning solutions not only protect your home but also safeguard the environment. You might…

Technician fixing air conditioner with screwdriver, multimeter on unit for maintenance check.

How to Spot the Warning Signs Your AC Needs Repair in Mount Prospect, IL

July 5, 2025 | Intelligent Service

Just like a car that starts making strange noises before breaking down, your AC can give you important clues that it needs repair. When you notice odd sounds, inconsistent airflow, or even a spike in your energy…

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Nugget Numies

2 days ago

Intelligence services company was invited by me to check my furnace before the cold season. They sent Mr. Trevor to perform this check. He came in time and he was very professional, knowledgeable and thorough. He checked everything, cleaned everything and now our furnace is like New :-). Thank you very much for good service.

Charlotte Lewis

Plumbing Service call was great. The technician detected the issue and worked with me to get the right product and at a reasonable price.

B Bues

First-time customer but will not be our last time. Very impressed with the scheduling, communication, and service. Jim and Nick were exceptional. Explained our issues clearly. Give us options with estimates but did not pressure sell. Also had all the necessary equipment to resolve immediately. Also provided tips to prevent future reoccurrences. Thanks!

Joseph Long

3 days ago

Expert informative service. Glad I called!

Karen McGovern

5 days ago

We have been using Intelligent Services for over 5 years for both Plumbing and HVAC services. We love the Genius Program for savings and proactive checks, the customer service is great and the professionals are always so helpful.

Scott Haugan

9 days ago

Nick and Boomer were very professional. Boomer explained your liner system. My wife are seriously thinking about it

John Schuten

15 days ago

They were on time, well spoken, and knowledgeable. The men were thorough in they're assessment. Listened to my thoughts and concerns, and then made their recommendations without being pushy . They gave me more than 1 option that would get the results done

TONY GURGIOLO, CPA/ABV

16 days ago

Jim explained everything and knew how to fix my problem. Repair was done quickly with no problems.

Casimir Pirog

19 days ago

Had tech do a camera sewer line inspection. Tech knew what he was doing and answered all of my questions.

Bonnie Iacobazzi

22 days ago

On time,great service,associate professional and knowledgeable. Great job altogether.

Matt Walker

John did a great job explaining my options and fixed the shower quickly.

Kerry Hanrahan

24 days ago

The technician was very helpful, identified options for me, and was friendly and professional. Would definitely use them again!

Jorge Echeverria

29 days ago

I’ve used Intelligent Service before. They do good work. I’ll use them again in the future.

Chelsea Caldwell

Called Zack and he was AMAZING!! He helped us over the phone and he could of easily charged us a travel fee to come here for our kitchen sink disposal but instead he helped us over the phone to fix the issue!!

Howard Bolden

Service tech came out to assess my situation fairly and in plain speech.