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 heating system maintenance
Clear ✕All 178 Google reviews tagged “Heating system maintenance” · showing 40
Came on time,introduced himself.Explained everything he did.Very rprofessional
Thank you Siemer/Paul for my new furnace.l won the Christmas raffle and couldn’t believe it when Paul called to let me know. Thanks so much Paul and Tyler and Tony,my installers who did an A+ job.Thanks again and God bless!!!😀
Good quality and inspection system
Excellent service! Carlos was great!
Carlos was very good and polite very nice. he answered all my questions an checked everything out. Very helpful also
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…
He was caring snd ask me if I had questions . Was very well verst on his job neat and tidy!
Fast and reliable service!
Alejandro was on time, polite, knowledgeable and efficient with his time. He took the time to explain what was done during our furnace maintenance. Excellent job!
Always have a great experience with Seimers. Carlos is the best!
Phil came out a couple weeks ago for annual maintenance on boiler. A part that needed to be replaced ($500+) was working fine this morning and didn’t need to be replaced after all. So many companies would have replaced the part anyway. I would have known no different. Siemer installed my boiler 15 years ago and has…
Carlos Manrique was an excellent service tech for Siemer Heating and Vooling
Chris Acosta is an excellent service technician who, whenever he serviced my unit, always takes care of it and explains everything that was done to ensure that the unit is working properly.
Scheduling was easy. Jake arrived on time. Replaced the filter and bulb for the purifier and showed me how to do it in case I wanted to. All at Siemer have been very professional and friendly. Highly recommend.
*** 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. ***…
Great service the technician Alex is a very skillful and knowledgeable young guy extremely professional and very respectful and professional (5⭐️s)
The service was very efficient. We were pleased with the service.
Your technician Carlos was professional, yet very friendly. My issue was intermittent and normally impossible to find the root cause. But, I believe he found it.
All of the tech’s that were here at our house were very professional and did an outstanding job.I would recommend Siemer hands down !
Great service, friendly technicians, always on time for service calls
Very helpful and knowledgeable
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.
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.
Great job explained everything clearly couldn’t ask for anything more! Love Siemer!!
Very happy with service and ease of scheduling
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!
Jack a very professional job repairing the leak. Make him plumber of the month.
Siemer Heating & Cooling are the best in the business! Jake is thorough and professional.
Carlos is very customer oriented, knowledgeable and respectful. We have worked with Siemer since 1999 and we don’t have a single complaint in all these years. Very professional and talented team. Thanks for everything.
Jake looked the job over, listened to my concerns and came up with a solution that actually saved some money and satisfied the concerns. You can’t ask for better than that.
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.
Great service by Alex, very thorough and pleasant.
Phil was honest, kind and knowledgeable. He called before he showed up and answered all my questions. I would highly recommend them..
Great service. Alejandro did a great job very professional. And quick
Alex was very friendly and helpful. He taught me a few tips to increase my furnace efficiency. Great job.
Technician was very professional and knowledgeable. Have yet to have a complaint about their service.
Thanks for the Great Service Jake! Friendly, professional and very knowledgeable about how to keep our furnace running better. Thank you!
Great HVAC help from experienced tech. I love that I can give my tech my door code to my air b&b house and I don’t have to be present but I get great service and communication including pictures and detailed invoice. It’s a smooth appointment every time. I recommend! Also just get on a regular schedule and do 6month…
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 | — |