During a recent 90 plus degree heatwave, our AC went out and we were in need of assistance. We…read morecalled Herchenbach and their response was immediate. Brian D. was our technician, and he was professional, knowledgeable, and very kind. We were very pleased with the service and will not hesitate to use Herchenbach for future HVAC needs.

Highly recommend Herchenbach Mechanical for your HVAC needs in Lake County. They are family owned…read moreand operated. A few years ago, my old AC from the 1990s was in need to be replaced. I decided to go with Herchenbach Mechanical after comparing a couple other places in the area. Scheduling an appointment was easy. Curtis and his team came over and installed the AC unit fairly quickly. They were very professional and courteous. Fast forward to a few days ago, my kid decided to throw pieces of chalk down the pipes. I called Herchenbach Mechanical to schedule a time and date that works for me. They will email and text you to confirm your appointment. On the day of your appointment, they will also send you a photo of the technician that will be over. Adam, the technician, was very friendly, knowledgeable, respectful and on time. I told him what happened and he explained what he would need to do to get the chalk out from the pipes. I also scheduled them to clean my AC as well. After Adam finished using the hose from the backyard, everything was neatly put back the way it was. He didn't leave anything out or left a mess. When he was inside the house, he would immediately put on those disposable shoe covers without me having to ask. Herchenbach Mechanical has always provided great, friendly service when I needed them. I have nothing but good things to say about Curtis and his team. Again, highly recommend them! You won't be disappointed.

Buyer Beware! Dave put a 100,000 BTU furnace and a 3 ton AC in my 900 sq ft house. It took him…read moreover a week to put them in, when I turned on the furnace it worked for a few weeks. Then a switch went out, he was suppose to come back and I never heard from him. Then the condensation pump he put in went out. The furnace is way over sized for my duct work. so there are going to be problems. Two different companies have told me to replace it or I will continue to have problems. Since it is too big for my duct work, plus I get to hear loud popping EVERY time it comes on and goes off. I asked Dave to refund me part of my costs since I am having problems. He offered to come fix the condensation pump but I can't wait around for him to no show. I had another company help me. His other reviews are good so I am disappointed this is such a shit show and he isn't responsible enough to admit he messed up sizing my HVAC. I now have to pay for a second furnace and AC. Thanks Dave.

I called Biermann because I had no heat. It was freezing cold out and in…read more they were very responsive and came out in an hour. They were punctual and did a great job their prices were more than fair. I recommend them to anyone and thank you Biermann

Extreme markups, laughable "egg logic," and an owner who calls clients a "big baby"…read more If you enjoy waiting two weeks for service, getting charged a $165 markup on standard retail products, and being called a "big baby" by the owner when you ask about it--then this is the company for you. Otherwise, take your business literally anywhere else. To be fair, the field techs (Shane and Joe) were good guys who did their jobs well. But the owner, Greg, is an absolute nightmare to deal with. Here is how my experience went: The $165 Markup: They charged me $425 for an off-the-shelf ecobee smart thermostat. The exact same unit sells at major retailers like Best Buy for $260. I waited two weeks for them to show up--time I easily could have used to buy the unit myself if I knew he was going to tack on a nearly 64% markup for a product in a cardboard box. The Laughable "Egg" Logic: When I texted Greg to question the massive markup, his attempt to defend it was unintentionally hilarious. He actually wrote: "When you go to the grocery store or a restaurant and you order up three eggs and they charge you $10. Do you tell them I could buy a dozen eggs for less than that?" A factory-sealed, mass-produced thermostat is not a cooked meal at a restaurant. Comparing a retail piece of consumer electronics to three scrambled eggs is pure comedy. The Childish Insult: When I called out how ridiculous his "egg" comparison was, Greg threw a total tantrum. Instead of handling a basic billing inquiry like an adult, he dropped all professionalism and texted me: "What a big baby you are." Calling a paying client a "big baby" because they call out an outrageous markup tells you everything you need to know about how Greg runs his business. He doesn't care about repeat clients, reasonable pricing, or basic respect. Save yourself the money and the headache--hire an HVAC company run by an actual professional.

Our furnace went out late at night, we called Kooch in morning and they came out right away. They…read morereplaced pc board and gas valve two main parts that should do it. Did I pay to much? how am I suppose to know, I want heat I pay I get heat. The wife kept smelling gas, I lost my sense of smell. So she called Nicor Gas they came out right away. They tested and We had to leave the house immediately. Nicor air out house fixed pipe and let us go back in house. I have not received a bill from Nicor. It will not let me post unless I select a star rating. But I'm rating two company's, OK I will go 5 stars for Nicor they came right away ,fixed leak and haven't billed me.

Great communication! Called to let me know they were running a few minutes late. Very knowledgeable…read moreand let us know every detail of what needed to be fixed. Was very respectful and explained each fee and charge. I'm glad we found these guys!

Paul from S & R did a great job installing my brand new AC system. He was timely, professional, and…read moreclean. He even followed up the next day. Thanks! - Dr. Mike Anderson

Igor has been servicing our two furnaces and AC systems for a number of years. He is super reliable…read moreand trustworth. He shows up when he says he will. He does excellent work at fair prices. He will not upsell you. He is very knowledgeable and practical. He has replaced 2 furnaces and a compressor for us over the years and each project went smoothly. He stands behind his work 100%. We have gone through a handful of other HVAC techs over 23 years, with Four Seasons being the worst. ID Mechanical is the best and I can recommend Igor and ID Mechanical without hesitation. Ed Lau

Igor was a huge help in fixing our AC. we had a weeks-long issue getting a contractor assigned in…read moreJuly via our home warranty due to availability and our spacepak system. Once assigned, Igor made us a priority with no AC and a baby at home, doing everything he could to expedite the repair and reduce the out of pocket cost for us after the home warranty picked up only part of the cost. I will definitely be using ID Mechanical going forward. Igor and his team were great to work with and went the extra mile to keep my family cool and safe.

Excellent service. Closed a few years ago. Sold to a reliable company. Herchenbach mechanicalread more

Doug Lombardo installed a Trane high efficiency furnace & humidifer this fall, and I can…read moreconfidently recommend Lombardo's to anyone. Doug personally came over to the house, took the time to understand what we were looking for during the quoting process, explained all of our options, and then provided us a highly competitive quote. Doug's team was professional, polite, and thoroughly cleaned up after themselves. We are extremely pleased with the finished result, and will plan to use Lombardo's for all our future HVAC needs.

I live in Marengo, and I would recommend these guys any day of the week! I called their office on a…read moreFriday evening and Mark, the owner, picked up on his cell. He was able to help troubleshoot an issue with me, and it turned out that I needed a new hot water heater. Communication was great throughout the process. Steve was who I met at my house (technician or foreman, not sure) - he was also super kind and helpful. If I ever have any other issues in my house, I'll be sure to call Mark.

Completely lazy customer service, with mixed/improper expectations. Called for 3 days, each day…read moretold would be serviced later that day. Each day, no call, no show. Excuses each time pointing to bad to be management and disorganization. On the 4th day (today) , was told someone came out the prior evening but no one was home. I was home all day/evening and was awaiting the pre-call that I was told repeatedly that I'd receive, so I wasn't sitting by my door waiting for someone to knock. When I explained I got no call, they read back the phone number they had, which I had repeated every time I called, and the last 4 digits were swapped. The rep just said, "Oops, that's the problem then." Yeah, no one read call my number to confirm and recommended they start doing that after the rep gave another excuse of "receiving so many calls to their office." When I asked to get priorized today as my young child would be coming over for the weekend today and was told they could "try, but..." and when I explained this has become ridiculous they defaulted back to saying "no one was home last time we tried" and I referred back to THEIR expectations set that they would call when ON THEIR WAY, then why still show up when no one answered because they called the wrong number? The rep got incredibly irate and aggressive and I asked if I should call another company since they can't seem to keep up/adhere to expectations, to which she yelled "yes, I think you should" be hung up. I know this is the hot season and it's busy, so give proper expectations, confirm you have correct contact information, keep your customers updated and for God's sake, take accountability and hold your temper... Unprofessional, unreliable, incredibly unpleasant company to interact with.

Mick and Steven saved the day, month and SUMMER! Response…read moretime was fast; service was thorough Steven and Mick provided the best customer service experience for a reasonable cost.

Been using Mick for quite a few years now and will continue to do so…read more He is 110% reliable, trustworthy, quick to respond and t he best in the business. He also doesn't charge an arm and leg in emergency calls either.