Mark

Service Technician

Certifications: EPA certified universal, 597 apprenticeship, COD certified for HVAC, ETI certified #1 in class, national honor society from ETI.

Work history: Started my HVAC career in 2005 and have been with Tempco since 2016. I am a local 73 commercial service specialist.

I like the personal interactions with my customers and being able to fix issues that will help make their home more comfortable. It is also very satisfying being with Tempco because they support my growth in the HVAC field and provide a working environment that allows me to achieve my goals.


Recent Jobs and Reviews

Rated 5.0 out of 5 stars based on 478 customer reviews

Customers say: The reviews reflect an overwhelmingly positive sentiment toward the service provided. Customers consistently express high satisfaction with the professionalism, expertise, and reliability demonstrated by the technicians. The overall tone is decidedly positive, with recurring themes of punctuality ("always on time"), technical competence, and friendly customer service. Many reviews highlight the thoroughness of the work performed and the helpful explanations provided during service visits. There's a strong sense of trust and long-term loyalty evident throughout the feedback, with multiple mentions of continued service relationships spanning years. The reviews also frequently include recommendations to others, indicating a high level of customer satisfaction and confidence in the quality of service received. The professional yet personable approach of the technicians appears to be particularly valued by customers.

Reviews

Excellent!!!
My service tech, Mark, was very professional, neat, and fast. Great service and highly recommend!
Mary - Woodridge, IL 60517
Great Service
Coleen - Orland Park, IL 60462
Great service
Dennis - Aurora, IL 60502
Great service
Kalpesh - Downers Grove, IL 60515
Great service
Alice - Westmont, IL 60559
Mark J is always great!
Marlene - Naperville, IL 60540
Great service
Mark does a great job. Timely and professional.
Brian - Naperville, IL 60540
Great service!
This team is fantastic! Nothing but professionals!
Scott - Lombard, IL 60148
Great Service
Mark was great at providing details needed to ensure our system runs smoothly.
Sparkle - Yorkville, IL 60560
On-time, friendly service
Annual inspection of our AC unit. Everything is in good shape and ready for the summer months. Technician was on-time and explained the work to be completed.
Thomas - Carol Stream, IL 60188
Great service
Always friendly and on time! Love them!
Laurie - Yorkville, IL 60560
Excellent service!
Karen - Winfield, IL 60190
Awesome Service
If you are looking for a great company to get your Airconditioner or Furnace serviced look no further, this is a great company that I have use over the last 5 years. Great service, prompt, courteous, efficient, what more could you ask for.
Todd - Aurora, IL 60506
Awesome as always!
Thanks for another great visit - professional, friendly, clear, quick and thorough!
Samantha - Aurora, IL 60502
Great service. Great personable guy. Mark is a true asset to your organization.
Awesome!!!
Dan - Naperville, IL 60540
Great service
Showed up on time. Polite. Clean. Quick.
Paul - Winfield, IL 60190
Great Service!
Great service and Mark always does a great job!
Gina - Downers Grove, IL 60515
Good Service
I have been very happy with the spring/fall maintenance plan with Tempco.
Patrick - Warrenville, IL 60555
Very pleased with the service from Tempco and Mark.
Julie - Winfield, IL 60190
Amazing service
Mark has always been prompt and efficient with his time at our home. He’s honest and always willing to give sound advice when needed. I always appreciate having the same tech at our home because he knows where everything is and our homes history.
Charles - Wheaton, IL 60187
Excellent service
Excellent timely service with a smile
Dori - Western Springs, IL 60558
Very accommodating and professional!
Tom - Orland Park, IL 60462
Reliable and great service
Easy to schedule appointment on line, reliable, on time and respectful of property and taking Covid19 precautions such as wearing of mask if service requires being in the home.
RMN - Winfield, IL 60190
Professional and prompt
Donielle - Lemont, IL 60439
Mark is great, but we did not have auttumn furnace maintenance on 2019, please schedue missed furnace maintenance with us
Jenny - Warrenville, IL 60555
Great Service, professional and knowledgeable technician
Very much enjoyed having Mark as the service technician. He was friendly, professional, knowledgeable and quick in the performance of his work. I felt very comfortable having him in my home, particularly since social distancing necessitated allowing him to free access to move about my home unescorted to perform his work.
Joanna - Bolingbrook, IL 60490
Smooth and timely service!
Mark was the best! On time, smooth service. Thank you!
Mary - Woodridge, IL 60517
As usual, excellent.
So glad I found this company. Technician, Mark, is great.
Marcella - Aurora, IL 60502
Very professional. Contactless service he did everything outside, which we appreciated.
The yearly service contract is very reasonable. Thank you.
Melissa - Westmont, IL 60559
Servicing air conditioner
We will be a forever customer withTempco as long as Mark is the technician. He has a wealth of knowledge on heating and air systems. He is extremely cordial and when he starts he always ask if we have any questions and when he is finished the same. He always takes his time to address any concerns.
Robert - Warrenville, IL 60555
Great service
Beverly - Aurora, IL 60502
Mark is so nice, and very professional
It is always a pleasure to have a professional person on site, He is honest, and is always very pleasant is truly 5 star service. Thank you for coming during this world pandemic.
Nancy - Aurora, IL 60502
Mark Johnson was EXCELLENT
Mark Johnson was a class act. I felt very comfortable with him at my house and would love for him to keep servicing my house. You just earned a lifelong customer because of Mark. He is a great guy and you should keep him no doubt! Explained everything and truly cared about us learning it! Love business w nice people
Jason Roach - Plainfield, IL 60585
The service from Tempco was great.
I really appreciate the friendliness and willingness to explain and answer questions. The installer was patient and explained in detail every question I had for him. I was really impressed by their service.
Joseph - Lemont, IL 60439
The Best
Mark is always on time and very professional. Very knowledgeable and answers all of our questions!
John - Willow Springs, IL 60480
Great Customer Service
Mark is always very helpful, knowledgeable, and respectful of your home.
Lori - Romeoville, IL 60446
Experienced and knowledgable
Rob - Plainfield, IL 60586
Great
Mark did a great job as usual. He makes sure he completes what needs to be done and then inquires if we have any questions. Very thorough.
James - Lockport, IL 60441
Great service
Margaret - Aurora, IL 60504
great
good service and a nice guy
William - Aurora, IL 60502
Awesome Service
If you are looking for a dependable reliable heating and air-conditioning company...Look no further....Tempco installed my furnace and air-conditioner when I had my house built 4 years ago...I have been using them every since to do preventive maintenance..they are pleasant, friendly, efficient, and reliable, you can't go wrong using them.
Todd - Aurora, IL 60506
Annual furnace check
Great service technician, Mark J. Mark takes his time and explains things very well and is always willing and helpful in answering questions. We are quite pleased with the company and would highly recommend.
Robert - Warrenville, IL 60555
Same great service from Mark
Tim - Western Springs, IL 60558
Great Service
Toula - Western Springs, IL 60558
Really great service!
Prompt, personable and knowledgeable service! Highly recommend!
Doris - Western Springs, IL 60558
Good service-looking out for me
Tell your friends
Arthur - Joliet, IL 60431
Excellent as usual
Mark is great
Marcella - Aurora, IL 60502
Great
Professional
Carlos - Lemont, IL 60439
Great service
Excellent service , reliable , honest
Barbra - Aurora, IL 60502
satisfied customer
Great service. This is second time I use Tempco for our heating / cooling needs. Our technician, Mark, was right on time, very professional and quick in installing our humidifier. Took time to answer all questions I had. Will plan on using their services again in the future
Nick - Naperville, IL 60540

Job Locations

Mark J.
Mark J.
Fall maintenance of Carrier furnace
Lemont, IL 60439
Mark J.
Mark J.
Fall maintenance of furnace and humidifier
Lemont, IL 60439
Mark J.
Mark J.
Fall maintenance of furnaces and humidifiers
Naperville, IL 60564
Mark J.
Mark J.
Fall maintenance of Amana furnace
Naperville, IL 60563
Mark J.
Mark J.
Fall maintenance of Carrier furnace
Naperville, IL 60564
Mark J.
Mark J.
Fall maintenance of Carrier furnace
Oswego, IL 60543
Mark J.
Mark J.
Fall maintenance of furnace
Oswego, IL 60543
Mark J.
Mark J.
Fall maintenance of Carrier furnace
Aurora, IL 60502
Mark J.
Mark J.
Fall maintenance of Lennox Furnace
Yorkville, IL 60560
Mark J.
Mark J.
Fall maintenance of Rheem furnace
Aurora, IL 60504
Mark J.
Mark J.
Fall maintenance of Lennox furnace
Aurora, IL 60506
Mark J.
Mark J.
Fall maintenance of Carrier furnace
Warrenville, IL 60555
Mark J.
Mark J.
Fall maintenance of Carrier furnace
Lombard, IL 60148
Mark J.
Mark J.
Fall Maintenance of furnace
Warrenville, IL 60555
Mark J.
Mark J.
Fall maintenance of furnace
Glen Ellyn, IL 60137
Mark J.
Mark J.
Furnace maintenance
Buffalo Grove, IL 60089
Mark J.
Mark J.
Furnace maintenance
Elgin, IL 60124
Mark J.
Mark J.
Furnace maintenance
Elgin, IL 60124
Mark J.
Mark J.
Furnace maintenance
Elgin, IL 60124
Mark J.
Mark J.
Furnace maintenance
Geneva, IL 60134
Mark J.
Mark J.
Furnace maintenance
Elgin, IL 60124
Mark J.
Mark J.
Furnace maintenance
Gilberts, IL 60136
Mark J.
Mark J.
Furnace maintenance
Huntley, IL 60142
Mark J.
Mark J.
Furnace maintenance
Huntley, IL 60142
Mark J.
Mark J.
Furnace maintenance
Huntley, IL 60142