How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%93+22.5Value 14%100+14.1Replies to reviews 7%37+2.6Craft & service penalty88−1.2Experts Score= 90Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.90SCORESiemer Heating, Cooling & Plumbing
Merrillville, IN · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #10Position by Experts Score among all companies we track in this category. of 23 sink repair services · 4.9★ from 1,757 Google reviews
Report card
Percentile vs other sink repair services (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: replies to reviews.
Reviews for your job
Customers hired Siemer Heating, Cooling & Plumbing for 8 kinds of job.
Siemer Heating, Cooling & Plumbing for a/c system maintenance
Clear ✕All 177 Google reviews tagged “A/C system maintenance” · showing 60
Jake did an excellent job with my furnace check up. He was extremely professional and answered all my questions. He helped me navigate my humidifier settings and my air conditioner cover placement. I definitely recommend Jake and Seimer heating and cooling. They are the best.
⭐⭐⭐⭐⭐ Carlos Is the Reason I Keep Choosing Siemer I don’t write reviews like this lightly, but when someone consistently provides exceptional service, I believe they deserve to be recognized. Carlos Manrique is my go-to technician at Siemer Heating, Cooling & Plumbing. Whenever I need service, he is the person I…
Tony did a wonderful job! He carefully checked the furnace and pronounced it in perfect condition! He changed the humidifier pad and changed the furnace filter! He also gave me a suggestion for fixing the carbon monoxide issue with my generator! What a great job! Thanks, Tony!
Very professional and helpful and explained everything.
As usual, Phil was able to locate the problem quickly And have it taken care of in a timely manner
My tech was polite, professional and efficient. He explained what he did and answered all my questions.
Siemer has always done a good job for me. I highly recommend them.
They are prompt, confident and respectful of property. A great company
*** Update 8/12/2026 - used the Plumbing Service of Siemer today for the first time. It was an emergency situation. They had a Technician out here very quickly and he assessed and fixed the leak. Very happy with the job- done very quickly and professionally. My thanks to Siemer and to their Technician Jack. ***…
The technician called before arriving and was on time. He was helpful with explanations and gave opportunities for questions (and wore shoe protectors while indoors). The friendly service and helpful advice was appreciated.
Great service the technician Alex is a very skillful and knowledgeable young guy extremely professional and very respectful and professional (5⭐️s)
Jake Sandage came out to look at a problem we had with our air conditioner. He was able to fix the problem and spent time with us explaining the best and most efficient way to run the air conditioner when we return it from vacation mode. Jake was very personable and professional. Siemer's is very lucky to have Jake on their staff.
John, Kraig, and Denis did a great job installing a new furnace/AC! They explained everything in terms that we could understand! This company is outstanding, and we love having the maintenance program! Whenever we call, they are here, and that's a great comfort to us. Thanks to Paul and the gals in the office as…
Carlos was great. He came previously to inspecting the heating system now was the AC… look forward to doing another checkup before the winter again. Will recommend for service maintenance and keeping your system maintained and running.
Tech was very courteous and quick.
Alex arrived on time and was very polite. We learned more from him than any other technician who came to check our air conditioner Our furnace/air conditioner is only 3 1/2 years old but we get it serviced every year. Alex answered all our questions. Alex is a very knowledgeable young man.
I would ask for Carlos the next time we need service for our air conditioning
Jake Sandage serviced our central A/C unit today. Very thorough, explained what he was doing and why. Addressed my questions and concerns. An excellent technician...A+++ rating. You won't find better.
We've been with Siemer for a few years & have been very satisfied with them. It's easy to schedule appointments & the technicians are on time & professional.
Carlos came to service our air unit. He was friendly, professional and explained the steps for checking the unit.Thank you!
Efficient, informative, and thinks of the customer
Wonderful service! Personable and professional 😊
Awesome service - quick and informative! Helped get our AC working in the dead heat of summer! Would recommend to everyone in the area
Carlos M. is a courteous, and knowledgeable HVAC technician. Great transaction!
As always, Carlos was prompt, did what needed to be done, kept us informed, and was very professional. He’s a big reason why we do business with Siemer.
Chris gave me excellent professional service, both winter and summer inspections. I am very pleased with Siemer and all of their employees that I deal with.
Alex was grear! On time. Thorough and explained everything that was checked or serviced.
Technician was on time, answered questions, honest, and very experienced. Wanted refrigerant and capacitor checked before hot weather.
Carlos was great as usual.
John K. Did a bright shining five star job! He was very thorough and knowledgeable. He answered my many many questions with clarity and confidence. I felt very comfortable with his personal soft skills as well. He also mentioned the Siemer Preferred Customer Program stating how it works. I can’t say enough…
We highly recommend Siemer, it will be 2 years this upcoming day before Thanksgiving that we had a new furnace and A/C unit installed as our old ones gave up the ghost . Their prices were reasonable and they did a fantastic job. We also opted for their optional maintenance/cleaning plan on both which help to keep…
Carlos was so knowledgeable and pleasant! My A/C unit needed a part, not critical, and Carlos explained what the issue was. Based on his comments I replaced the part. So happy with the service. I’ve been with Siemer for almost a year and I’m so pleased with their service.
Chris was very polite and professional knew what to look at and test, he checked inside the house on AC/ furnace and also outside in side of house, said all checked out good, everything working like it’s supposed too. Chris is a great guy and works well with Siemer.
Chris did a great job of servicing our Carrier A/C. Summer time check up. He’s very thorough, informative and takes his time to explain and do things correctly. Great job Chris. Thank you.
Great job explained everything clearly couldn’t ask for anything more! Love Siemer!!
Jake was great! Arrived when scheduled. Diagnosed the issues, completed repairs, and returned, again as scheduled and finished the work. Thank you Jake and Seimers!
Very happy with service and ease of scheduling
He was very good and explained in detail!
Your technician, Carlos, did an A-1 Excellent job both up in the attic on the air mover equipment, but also on the outside compressor unit. His work was efficient, quick, and accurate. As an aircraft mechanic, I know what is good, better, best. Carlos is the best!
Zach was the technician for regular maintenance on our air conditioning units. He was efficient and we appreciated his honesty. Once again, great service from the Siemer technicians!
Chris has been our service tech for the last year he is very good and we are pleased with his work.
Great staff & company to work with. Very responsive. Technician Chris came to my house today serviced my Furance. Preformed his job satisfactory. Highly recommend Siemer Heating, Cooling, and Plumbing!
Chris A was very thorough and detailed.
Today was my scheduled air conditioner check up for the year. I had a 9 to 12 window, when the technician called and said he’d be here within 10 minutes he was. He was very quick and efficient checked; everything inside and outside. Once again their service was top-notch. Thanks Carlos and Seimer. I especially…
My technician was Alejandro Manrique. He did a great job of explaining everything even though I only had my furnace cleaned. He represented himself and the company very well. I will use Siemer and ask for him again!
Jack a very professional job repairing the leak. Make him plumber of the month.
Amazing level of thoroughness with untouched expertise. They lead with integrity and are looking at long term health of your systems. So grateful for their support and the experience they bring.
Great service. Very professional and courteous.
Turned air on was not working Called and they bumbed up the annual ac inspection to that day Problem was bad fan motor they ordered and installed next day under warranty so only paid for install Excellent response and service from Carlos and the office
Today, Technician Alejandro performed an excellent cleaning and check-up on my 2 furnaces. He checked everything and exceeded my expectations for this service. He was polite and was a great communicator. I totally understood how he analyzed our furnaces. I highly recommend Alejandro and Siemer for any heating and cooling needs.
Very polite and knowledgeable.
Seimer has been my heating and cooling for 21 years and I highly recommend them. The job always gets fixed and done by very nice and professional people. When I call they always do their best to accommodate me with my busy schedule.
Chris was my technician and he was very polite and considerate. He knew his job and did an excellent job. I would definitely recommend Siemer Heating and Cooling to my friends.
Awesome service
Technician professional
Absolutely recommend Siemer. It's a breath of fresh air knowing there are still honest, hard-working people out there helping out the elderly giving our mothers, and na nas a decent price. Not gouging and taking advantage like big name brands (4 seasons). You can rest assured that you'll get your heater fixed and…
Jake was very professional and helpful!! We have used Siemer for many years!!!
Have used Siemer for over 30 yrs. Jake who was here today was AWESOME . Love the way he takes time to explain things…. And answer questions. He’s an excellent representative of the company. Hope he’s there for a good long while.
The service man, Carlos, was efficient, courteous, on time, personable. Thank you for him!
Carlos is an excellent technician. He is very knowledgeable and very clear in his explanations. Not least of all, he is a true gentleman. I very much appreciate his service.
Price
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Heating system maintenance | 176 | $27–$219 |
| A/C system maintenance | 175 | $26–$166 |
| HVAC system maintenance | 153 | $19–$135 |
| Heating system repair | 130 | $78–$412 |
| HVAC system repair | 112 | $50–$509 |
| A/C system repair | 102 | $188–$585 |
| Heating system installation | 67 | — |
| Install AC | 57 | — |
