Update 4/6/26: Zach Sperling is such a pleasant and knowledgeable technician that I recommend him highly. Thomas Heating has been a wonderful company to work with in my maintenance plan. If you are looking for a reputable company, look no more.
This company is so responsive that I love them. They respond immediately, and I trust them to tell me what needs to be done. I haven’t been steered wrong yet. They are genuinely nice to work with and honest. I use their maintenance program which I highly recommend.
Response from the owner:Thank you for your kind words, we truly appreciate your trust in us and are glad to hear about your positive experience with our services.
work good but got at least 6 messages from them very annoying
Response from the owner:Thank you for your feedback, Harold. We appreciate your input and understand how too many messages can be frustrating. We'll work on improving that experience for you.
Nick was great! He came right out and was able to solve the problem fairly easily. He communicated well and helped us prevent a future problem as well.
Response from the owner:Thank you for the review, Philip! We are happy to hear you had a pleasant experience working with us.
Response from the owner:Thank you, Pat, for your kind words about Giovanni; we appreciate your feedback and are glad to hear that he made a positive impression.
They have never failed to fix my hvac problems. These folks are top tier.
Response from the owner:Thank you for the wonderful feedback, Greg! We're glad to hear that you've had such positive experiences with our team. Providing timely and effective service is our priority, and we're here whenever you need us. Looking forward to assisting you again!
Giovanni was very professional, helpful, patient and helped me figure out the issue, if it was covered under warranty, and next steps. Great overall experience and much appreciated.
Response from the owner:Thank you, Amy! We're glad to hear that Giovanni provided you with such professional and helpful service. Your appreciation means a lot to us!
Always professional and thorough whenever they service our home. We have used Thomas Hoffmann Air Conditioning & Heating multiple times since we moved into our home and will continue to use them in the future.
Response from the owner:Thank you for the thoughtful review, Joe. We appreciate you and your business!
0 stars if I could. Bought a faulty (not to mention overpriced) surface igniter, called back five minutes later after installing, of course they didn’t stand behind their part. Go to Grainger instead. Same (working) part, half the price.
Response from the owner:Hi there. I am unable to locate your customer profile. Please give our office a call at 314-471-7625 so we can get this figured out for you.
From the phone to the completion of the job everyone is so polite and informative. I had Giovani as our representative and he was very informative and professional, and knew exactly what the problem was. Thanks so much.
Response from the owner:Thank you for the kind review, Frank! We appreciate you and your business.
My furnace was not working. A very nice gentleman came out this morning and fixed the problem and now I have much needed heat. He was very professional and courteous. I will definitely be using them again when the need arises.
Response from the owner:Thank you for the positive feedback! We're glad to hear that you were pleased with our prompt and friendly service. We look forward to assisting you again in the future!
I will always call Hoffmans for my air and heat needs. They were out to my daughters house that day and fixed it. It was right before the weekend storm with below zero temps the next day. They saved my daughter and grandbabies. I could never thank them more.
Response from the owner:We are so happy to hear that we could help! Thank you for the kind review.
Snow and drifting snow covered intake and out take vents causing the furnace emergency to shut off furnace. Cleaned off the driftibg/ snow off roof and vents furnace works perfect now. Thank you and great job Nick.
Response from the owner:Thanks for the great review, Scott! We appreciate your support.
5 stars! Nick was here to fix my heater within 2 hours of my call. He explained the problem to me thoroughly and got the job done quickly & professionally. Thank you so much!
Response from the owner:Thank you for the kind review, Jennifer! Glad we could help.
Extremely thorough and educational. They do a wonderful job of explaining everything and making sure I was comfortable knowing how the systems worked in my house!
Response from the owner:Thanks for the great review, Matthew! We appreciate your support.
I noticed a strange noise that I was concerned was linked to my furnace. I called Thomas Hoffman Heating & Cooling and Nick came right out. He was very thorough checking all components. Thankfully all checked out for us this visit. Definitely recommend Thomas Hoffman Heating & Cooling!
Response from the owner:Thank you so much for the kind review, Abby! We appreciate your business and look forward to servicing you in the future.
Thomas Hoffman is a wonderful company to work with. Techs are knowledgeable, personable & efficient.
Response from the owner:Thank you, Christine, for your kind words about our team; we appreciate your feedback and are glad to hear you had a positive experience!
Got a quote over the phone. Everything was explained thoroughly. Dakota, my technician arrived and on time, was very professional and knowledgeable. He didn’t try to upsell or change anything. He did a great job. We can already tell the difference since the ducts and vents were cleaned. Would recommend an use Hoffman again in the future.
Response from the owner:Happy to hear you had a pleasant experience using Thomas Hoffmann!
The technician, Ryan, was knowledgeable and helpful in identifying the issue with our mini split AC unit. They are the second company we called after issues with the first and will be using Hoffmann again.
Response from the owner:We are so happy to hear your experience with Thomas Hoffmann was pleasant. Thank you for your kind review, & we look forward to working with you in the future!
woke up to a very cold house, called Thomas Hoffmann, they were able to come out a couple of hours later and get the issue resolved. Always trust them, they have always been quick to respond and get either the heating or ac issue fixed that day. Also a great price!!!! give them 10 stars if i could, Thank You JS
Response from the owner:Thank you for the kind review, Jim. We are happy to hear that you had a positive experience working with Thomas Hoffmann!
Response from the owner:Thank you, Hank, for your wonderful feedback; we're glad you enjoyed the fast, friendly, and professional service, and we'll be sure to keep up the great work!
The technician Giovanni was excellent and on time very professional and efficient and knowledgeable of the project at hand ,gave great advice but most of all did great work 👏 thank you .
Response from the owner:We are so happy to hear you had a great experience, Sam! Thank you for the review, and thank you for your business.
Possible Causes
There are many reasons why your air conditioner filters are getting dirty quickly. Here are the top four culprits.
Cheap filters: Cheap filters tend to have shorter lifespans than high-quality filters. Take, for instance, the standard fiberglass air filters. These types of air filters are generally designed to last for 30 days. Therefore, if you notice that your air filters are gathering dirt fast, it may be due to the inexpensive and low-quality air filters you’re buying.
High temperatures: When the outside temperatures become extreme, your air filter might begin to experience dirt problems. This is because, during extremely hot weather, more air is pushed through the AC system by the blower motor. As a result, the filters will capture more dirt and clog faster.
Contaminants in the Air: High levels of dust and debris put a strain on your unit, making your filters clog faster. An increase in the number of people in your home can also increase the amount of dirt being kicked up into your system.
Leaking air ducts:The air ducts are responsible for carrying heated or cooled air around your home. If there are duct leaks, this will make your unit work harder and get dirtier faster.
Mold: In some cases, moisture can transfer to the air conditioner, leading to growth and accumulation of mold on the air filters. Aside from slowing your system, mold can also cause health issues.
Problems Caused by Dirty Filters
When your air filter becomes dirty, you may experience the following problems:
Overheating: When the AC filters are dirty, they may eventually cause your air conditioning system to overheat. This is because the system has to work harder to keep up.
Inadequate heating/cooling: If your AC filters become clogged, reaching the desired indoor temperature levels can be difficult. Less air blowing through the system due to dirt and debris can, in turn, lead to uncomfortable warm temperatures in your home.
Unclean air: If your conditioner is not working properly, the air inside your house will become stagnant, and this can cause poor indoor air quality. Poor indoor air quality has been linked to respiratory issues such as asthma and lung disease.
Here is a breakdown of the main types of air filters for your home and how to choose the right one for you.
Types of Filters
Certain features and properties set apart different types of filters. To browse for air filters efficiently, you have to decide what kind of product your unit needs. Here’s what to keep in mind.
The Size of the Filters – Make sure to accurately measure or check the size of the old filters on your HVAC system. Only go with what the manufacturer recommends, as filters that are incorrectly sized will not perform properly. Atypical openings will need air filters in special sizes and shapes, as trying to adjust a standard one yourself can render it inefficient.
The Materials Used – The variety of materials and styles you can find can make your choice difficult, especially if you don’t know what to look for. You might need a thicker and denser filter if you live in a house where more air is circulated. Most air filters are made out of fiberglass, as it’s one of the more affordable options. Eco-friendly materials are also available, especially for reusable filters that one can wash for maintenance.
The Style – Two of the most commonly found styles of air filters are: pleated and honeycomb. Pleated filters have a bigger surface area to process the air, allowing the filter to catch more particles and circulate the air easier. In addition to the pleated style, these filters often have an electrostatic charge, which traps the particles and makes them stick to the filter. The honeycomb structure is mostly seen in more affordable filters. The honeycomb cells are made with paper fibers, fiberglass, or textile fibers, filtering the dirty air through the flutes.
The above characteristics are the very basics of air filters for your home. Here is more information that you can check when looking for air filters for your home.
The MERV Rating
The MERV rating system (an acronym for the minimum efficiency reporting value) is a 1 to 16 scale that shows how effective an air filter is in filtering out particles.
MPR (Microparticle Performance Rating)
MPR rates the filter’s ability to keep out nanoparticles from the air (particles with a circumference smaller than 1 micron. For people suffering from dust, mites, pollen allergies, a system with a high MPR can drastically change the quality of their life.
Call Thomas Hoffmann Air Conditioning & Heating
Whether your air filters are getting dirty too quickly, your system needs maintenance, or you are in need of any other HVAC service, our experienced HVAC technicians can help! Give us a call today!
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At Thomas Hoffmann Air Conditioning & Heating, we pride ourselves on being a locally owned and operated HVAC company. With more than 30 years of experience and a master technician and mechanical engineer as our owner, we can replace, repair, and maintain your business or home’s HVAC system.