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 20
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 !
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 | — |
