They are no longer Miller. They have been bought out. Loved Miller. New guys not so much.

I called for an appointment on Friday to service my air conditioning. He said they would send someone out on Monday. They asked if I preferred morning or afternoon. I said afternoon, please. On Monday about 4 o'clock I called to check on the status. They told me there would be no one out because I was on the waitlist. Waitlist? Why didn't anyone tell me about a waitlist when I first scheduled the call. I asked where I was on the waitlist and was told I was number 10. They said I would be scheduled if someone canceled their appointment and it was unlikely that anyone would be out within the next week. I understand this business was sold since they originally installed my unit. They might want to revisit their customer service policy. read more

I returned from Florida and Saturday was the first time I turned on the air conditioning. Not working. I called Miller heating because they originally installed the unit. They said they could come out on Tuesday for service. They asked morning or afternoon. I said afternoon please because I have a doctors appointment in the morning. She said it'll be between one and five. At 4:30 PM on Tuesday. I hadn't received a call so I called to check on the status of the service. I was told at that time that I didn't have an actual appointment, I was on standby. Standby? What the heck is standby? Standby means that if they have a cancellation, they would work through their standby list. After some discussion I found out I was 10th on the list. That probably means I would have Service sometime in July or August. I can't believe that they run a company that wouldn't tell me about standby when I booked the appointment. Why would they ask morning or afternoon if they weren't even sure whether they were going to be here. I am a very dissatisfied customer and found another heating and air conditioning service that will be out here tomorrow. read more

We have used Miller Area Heating of Grayslake for about 20+ years and found them to be fair reasonable and operating with integrity. Our last house we installed a complete Trane system and it was incredible. In our new home we replaced the construction grade one speed system with a Trane variable speed high efficiency heat and AC system. Yes a new system is costly but the results are much improved and Miller Area Heating of Grayslake has done another great service. read more

Millers has been a reliable and straightforward service provider for me since 2017. They recently installed a new furnace. Complaint--I called last week to make sure that I'd get the right new filter. . Instead of saying, "this is what you need," they asked is I were a club member @ $20 per month, told me to check the measurements on the new filter they installed, there would be a large service fee to install the new replacement filter. This is a new furnace, I'm happy to buy and install the new filter myself, but wanted to make sure I was purchasing the correct one. Not a satisfactory answer at all. Seemed more interested in getting me to sign a service contact than answer a simple question. Disappointed. read more

Appointment was scheduled for today. After waiting an hour, called to see when they were coming. Was told that they canceled the appointment in their books because they were overbooked. We were never contacted of the cancellation. This happened twice with this company. No show, no call. Will not do business with them again. Wish I could give a zero rating. read more

Excellent service! On a very cold Superbowl Sunday, they were able to repair my aging furnace, saving the day. They were able to arrive within an hour of my call and I was very pleased with their professional service and reasonable prices. read more

Great. Willing to help and took time to get my part that I needed. Part was double the cost compared to Amazon/online, but needed it.

Done business over 30 years, I have total trust in Miller Heating. Just used for plumbing issue and was VERY satisfied! Very accommodating!

I wish I could give this company 0 stars. The person that came out to our house (who I will respect by not naming) knew absolutely NOTHING about that they were selling, couldn't answer our questions, and gave us a quote that was almost $10,000 higher than another local company with a much better rating. I am extremely upset, especially since the second company said the system she had recommended couldn't be put in without violating safety codes (so our house wouldn't pass inspection) and was a risk for carbon monoxide poisoning because there isn't room for proper ventilation. She also promised all these other "air quality" improvements which the second company said isn't possible without changing our whole vent system. There's a clear lack of knowledge which could be deadly mixed with a combo of trying to just sell people the most expensive unit rather than what will work best for them. She also tried to bully us into making an immediate decision by claiming that if we didn't place the order within 48 hours the price would increase 20%. And when I asked MULTIPLE times when they would be able to get started there was no response. I can't believe this company could employ workers that put customers in danger with their inexperience. Our family has used Miller for years but we will never waste our time again. read more

worst company I have ever dealt with. did not call back when they said they would. shared our personal statements with other people. the customer service was the worst that I ever experienced! do not use this company! read more

I have not written a Yelp review in years, but my experience with Miller's made me want to log back on and share my experiences publicly. Wow, what a fantastic company to do business with. After another local company came out to diagnose an issue with our furnace, they left after doing a full and thorough analysis of what was going on, skipping something VERY important - a Carbon Monoxide test! I called Miller's and spoke with Holly from the office is professional, knowledgeable, and friendly, and made me immediately feel comfortable with working with them. When Miller's came to investigate the situation, they first attempted to repair the issue which would have saved us thousands of dollars. After the repair, Miller's technician did the proper follow-up testing and found CO (Carbon Monoxide) levels WAY, WAY above the acceptable levels. I learned that normally, CO levels are basically zero (Parts Per Million), but are acceptable at around 20 PPM. They typically shut a furnace down if the levels reach 100 PPM. When Miller's tech did the testing, ours was shooting off CO at a level of 1500 PPM! 15 times the limit of where they normally shut down a furnace! In our case, these CO levels were all being vented outside the house, so we didn't have these deadly levels inside the home, but any Furnace leaking these amounts of CO needs to be shut down IMMEDIATELY, which is exactly what we did. Thank heavens that Miller's technician did the job the RIGHT way, or my family could have been in incredible danger. Their installer, Mike, was also great. Extremely personable, professional, and stayed way longer than normal to make sure the job was done right. I will never look anywhere else than Miller's for my heating and cooling - they have won a customer for life! read more

Recently had Millers Area Heating in Grayslake replace my old Lennox Furnace /AC with a new Trane S9V2 Furnace and a XR16 AC unit. From the initial quote estimates which were very competitive from Kevin (Sales) to the complete install team of Will, Juan, Martin and Cade, there was great communications, professional and knowledgeable efforts by the entire team. The quality of their workmanship was fantastic and all was done in an efficient manner. They removed all of the old equipment and cleaned up. Everyone answered all of my numerous questions about the new equipment, as well. I am thoroughly satisfied with the exceptional efforts by Millers and would highly recommend them for your furnace and ac needs. read more

How do you Yelp and HVAC company? They don't have an in house Chef and I wasn't offered a side of Foie gras. However, when I called early in the morning when temps were dipping to sub 30's and said "I'm the tenant, I'm not paying the bill. My heat is out -help!" Paula said, "we can have a teammate to you in a few hours. I will call you when he's 10 minutes out." Since I live 12 minutes from home. Perfect Got my call from the Miller office "our tech is on the way" and was out the door at work. Arrived to meet Dan ready to go. 15 minutes into the diagnostic - fixed. Bad igniter. Some checking of the PC board and he changed our filter. No b.s. about a bunch of repairs the home owner would need to deal with, just a great attitude of CAN DO - FOR YOU Much appreciated "Miller Team". No drama, no rush charge, no "we don't stock that part." Now, if you do ever get an in house Chef, I'm in! read more

Miller's products, service and follow through with the customer is an example of the way consumers wish all companies conducted business. Even with our furnace deciding to retire during the dreaded vortex of this past winter, Miller's Area Heating team didn't disappoint. Braving the brutal weather while often working outside, they made sure our heat was restored. We appreciate knowing we can count on them and are confident in recommending them. Dianne F. read more

I can't say enough about Millers Area Heating! When I was in a bind with a house closing and had a challenging repair of my water heater they went above and beyond the call of duty! Exemplary service. They responded quickly with all communications. They had my best interests in mind. I highly recommend using them! read more

Had a problem with our furnace this afternoon. Was referred to Millers from a neighbor. They were prompt and the tech was friendly and knowledgeable. He was able to diagnose and fix the problem quickly. Will use them again for sure. read more

I just had Miller Area heating come and install heater/air unit this past month. The service I received was beyond what I could have expected. Clean, courteous installers not only installed everything neatly but cleaned up very nicely. It's nice to see such professional workmanship. Holly came by to give the initial quote and was wonderful! She knows her stuff! If your in the need of a new furnace or air unit, you won't be disappointed . read more

The compressor went out on our 25 year old air conditioner the same day we signed a contract to replace our roof. As you can imagine, we were not prepared financially to replace both. Miller's salesman Kevin was able to come out within an hour to discuss our options for replacement. He was very helpful and friendly during a very stressful time. While they weren't immediately available for installation, they brought over and installed two wall units the same day. Once the installation was complete Kevin was quick to ensure satisfaction through both phone calls and texts. He was thorough, professional, and courteous and will be the reason we continue to use Milllers for all of our HVAC needs in the future. Another happy customer! read more

The owner seems to be uninterested in running a business. I've been a customer since 2010. I needed a new humidifier control installed and John Miller, presumably the Owner, hung up on me when I questioned the price he was quoting me for the labor. ($89 diagnostic plus $128 for the install). The price might have been fair, but I would think the owner here would be able to calmly break down and substantiate the price he's quoting instead of hanging up. I usually would not give another chance to a company that hangs up on me, but being local and loyal, I went to store/office in person to try and salvage the business (something he should be doing). He wasn't there, a salesperson would leave a message that I stopped in. Still no call back after three days. I'm done. Don't waste your time. Many others in the area that actually WANT your business. read more

We met Holly from Miller Area Heating at the Trane mobile exhibit at the Lake County Home Show. We'd been having issues with our 2 furnaces so we made an appointment for a service call to clean and check the furnaces and boy are we glad they did. We had big issues (carbon dioxide) and our furnaces were deemed non usable. The tech showed my husband the exact problem and we decided to have Holly come out and give us an estimate on 2 new furnaces. She went through the entire process thoroughly and gave us a quote which we accepted. The Miller team came out and had us up and running in 2 days. They were courteous, clean and efficient and a great bunch of guys! I would highly recommend Miller Area Heating. read more

Lazy, dishonest technician. Charged over $100 for 5 minutes of service. Didn't offer to clean the unit since tech was already out there and it was an easy fix. This is second time this happened with Miller. Will never use again. read more

We purchased an old home and had to convert from radiator heating to forced air gas and add AC. Miller's took on the job and did an excellent job. Very thorough and consulted with us on each step. They were not the least expensive bid but the most detailed so we chose them. Because of the age of the house there were some unforeseen difficulties and they worked right through them. I would highly recommend this company. read more

Dan showed up on a cold Saturday night to get our 30 year old furnace working again. A followup call from the office Monday morning checked to make sure we had heat. Holly gave us a quote on a new furnace/air conditioner that was clear and informative - no pressure at all. We did our research and learned that an accomplished and trustworthy installer is the most important factor. We were able to schedule installation within a week. Mike, Ben, and Juan were prompt, professional, and precise. All work was finished the next day with a thorough explanation of how our new systems worked. We could not be happier with the Trane products but more importantly with the team at Miller Area Heating. Thanks for exceptional service! read more

A few years ago, I contacted Millers Area Heating. Kurt, the owner, was fantastic! She, yes she, was extremely helpful. She sent out her sales rep, Holli, who was very knowledgeable. We ended up buying our air conditioning unit with them and have been extremely happy ever since. We even had a coil issue with them and it was taken care of immediately. They are the only heating and air conditioning service I will ever go to now. Even their techs are awesome. I am a walking advertisement for Millers Area Heating and Conditioning!!!!!!!! read more

I have been a customer of Millers Area Heating since 1996. They are awesome, respectful and really care about whatever your issues are. They have never let me down. I highly recommend this company. read more