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

Great service
Mark always is very pleasant and informative. Great job and makes me feel comfortable about the furnace snd air conditioner.
Julie - Winfield, IL 60190
Great Customer Service
This is the second time Mark has been out to our home and it is always a delight to work with him. He is very knowledgeable and shares insight on next steps that make sense for the customer. He is the reason we continue to do business with Tempco.
Mark - Lockport, IL 60441
A/C service
Mark has always answered our questions about A/C, heating and our outside ventilation system. Mark shows up on time and works efficiently.
Kennith - Yorkville, IL 60560
good service
Chris - Winfield, IL 60190
All top notch
Mark is on time, friendly, honest and skilled. Since signing up several years ago I have been very happy with honesty and service price.
Marcella - Aurora, IL 60502
Great Service
Always a pleasure working with Mark, very professional and does a great job at troubleshooting issues. Chris always has been helpful when issues have come up and needed to get someone out on site quickly. Both have been very accommodating and provided great customer service.
RMN - Winfield, IL 60190
Excellent service & Techs
Tom - Orland Park, IL 60462
Great Service
Colleen - Orland Park, IL 60462
Excellent Service
Mark is a consummate professional. Checked my unit, washed it down snd checked functionality.
William - Orland Park, IL 60462
Great Service
Always on time, polite and professional. Fair price.
Paul - Winfield, IL 60190
Awesome
Original installation company when we bought the townhouse and they've been back ever since to keep everything working. We had a humidifier installed on the furnace for my daughter and she's very happy with the way it works. Faithfully come out every six months for a checkup and we've never had any problems (touch wood). Will recommend company to new buyers when we sell the townhouse. Awesome job and have great faith in the work that they provide.
Rhondda - Naperville, IL 60540
Great Service!
Excellent service again by Mark. Cost of service is good. I also appreciate having the same technician for service as they know the unit and past service.
Patricia - Warrenville, IL 60555
Great job
Good service
Jennifer - Western Springs, IL 60558
Awesome
Steve - Downers Grove, IL 60516
Great Service
Tim - Western Springs, IL 60558
Great service as always!
I feel really comfortable with this team, great service always!
Scott - Lombard, IL 60148
the Best !!
Mark is polite--prompt--knowledgeable--and very friendly !!
Beverly - Aurora, IL 60502
AC tune up
Mark does a great job explaining what needs to be done
Mary - Winfield, IL 60190
Always a Great Experience
Mark J and the Tempco agency he represents do a great job. It is easy to make an appointment. Mark is always on time. He is courteous, efficient, professional and highly competent.
Dale - Orland Park, IL 60462
Always great service
Mark is always polite and professional.
Betty - Plainfield, IL 60585
Great Service!
Mark was great! He was knowledgeable, helpful, and got our heat back up and running quickly.
Bill - Lemont, IL 60439
Error Code
First class job! Mark serviced my ac unit last year and did a quick repair. Mark explained the error code and quickly fixed it.
William - Orland Park, IL 60462
Friendly, courteous service
Mark was very professional and thorough
Paul - Western Springs, IL 60558
professional and polite
Mark is a great technician.
Dennis - Aurora, IL 60502
Great service
Very pleasant
Sumathi - Lisle, IL 60532
Great service!
Marlene - Warrenville, IL 60555
Great Service!
Today was my third seasonal checkup. I am happy with the service.
Patrick - Warrenville, IL 60555
Yearly furnace maintenance
Service tech, Mark, completed the maintenance in a timely fashion. He was on time and professional.
Andrea - Carol Stream, IL 60188
Excellent service!
Mark is truly a very knowledgeable and professional technician.
Doris - Western Springs, IL 60558
Good service
Kalpesh - Downers Grove, IL 60515
Furnace cleaning for the winter season
Mark is thorough with his attention to our furnace and air conditioner to make sure it is in working condition for the season. He is always polite and very helpful answering our questions.
Sue - Aurora, IL 60502
Great Service
Mark is always willing to answer any questions or concerns!! Thanks!!
Joseph - Naperville, IL 60564
Great everything
Marcella - Aurora, IL 60502
He is awesome
He took care of everything and explained what I need to do . Also assisted with WiFi thermostateb
Barbara - Aurora, IL 60502
Great service
Always extremely professional and courteous. Helpful pointers and understanding given about the system.
John - Willow Springs, IL 60480
Great Company
I have used Tempco for 5 years, and it has always been a pleasure doing business with them. They installed my HVAC system when my house was built. I have had nothing but professional service when having them service my HVAC system.
T-Man - Aurora, IL 60506
Wonderful service
It’s always a pleasant experience. Thanks!
Theresa - Orland Park, IL 60462
Incomparable Excellence!
On time, courteous, thorough, efficient and professional. What more could anyone ask? Mark is dependable, reliable and trustworthy.
Dale - Orland Park, IL 60462
Great service!
Mark is a great tech! Very professional, on time, great customer service.
Tom - Orland Park, IL 60462
Great, Honest, Professional Service
Ever since we switched to using Tempco we have been extremely pleased. The technician, Mark, that comes out for each visit is friendly, honest, and knowledgeable. The price they charge for yearly clean and checks was slightly higher than what we paid in the past, but it is worth it knowing they are thorough and honest.
Micah - Downers Grove, IL 60515
Fall Furnace Check-Up
Mark is great! Always on time, pleasant and helpful. Our furnace works great.
Marlene - Naperville, IL 60540
Good service.
Susan - Winfield, IL 60190
Satisfied Customer
Mark is an excellent technician. He is always prompt and courteous. I like that we have the same service tech for each visit. Mark’s my guy!
Karen - Winfield, IL 60190
Great technician
Robert - Aurora, IL 60502
Helpful
Joe - Downers Grove, IL 60515
Very informative and courteous employee
Excellent
Jeff - Naperville, IL 60564
Very Professional
Mark J is always friendly, on time, professional and answers any questions posed to him regarding the furnace, AC, Nest or humidifier. Very respectful of property and does a great job!
RMN - Winfield, IL 60190
Furnace maintenance
Great service. Mark does a great job.
Patricia - Warrenville, IL 60555
Great service
Mark is great!
Alice - Joliet, IL 60431
Greatest Technician Ever
Great job Mark and Tempco.
Lloyd - Aurora, IL 60506

Job Locations

Mark J.
Mark J.
Furnace maintenance
Lemont, IL 60439
Mark J.
Mark J.
Furnace maintenance
Lemont, IL 60439
Mark J.
Mark J.
Furnace maintenance
Glen Ellyn, IL 60137
Mark J.
Mark J.
Carrier furnace maintenance
Winfield, IL 60190
Mark J.
Mark J.
Carrier furnace maintenance
Warrenville, IL 60555
Mark J.
Mark J.
Carrier furnace maintenance
Downers Grove, IL 60515
Mark J.
Mark J.
Lennox furnace maintenance
Aurora, IL 60506
Mark J.
Mark J.
Furnace maintenance
Aurora, IL 60502
Mark J.
Mark J.
Carrier furnace Maintenance
Aurora, IL 60502
Mark J.
Mark J.
Furnace Maintenance
Lemont, IL 60439
Mark J.
Mark J.
Furnace Maintenance
Lemont, IL 60439
Mark J.
Mark J.
Furnace Maintenance
Lemont, IL 60439
Mark J.
Mark J.
Carrier furnace maintenance
Winfield, IL 60190
Mark J.
Mark J.
Carrier furnace maintenance
Winfield, IL 60185
Mark J.
Mark J.
Carrier furnace maintenance
Westmont, IL 60559
Mark J.
Mark J.
Goodman furnace maintenance
Glen Ellyn, IL 60137
Mark J.
Mark J.
Furnace maintenance
Forest Park, IL 60130
Mark J.
Mark J.
Carrier furnace maintenance
Warrenville, IL 60555
Mark J.
Mark J.
Furnace maintenance
Montgomery, IL 60538
Mark J.
Mark J.
Carrier furnace maintenance -Cleaned and checked operation of furnace and humidifier everything checks ok
Naperville, IL 60564
Mark J.
Mark J.
Carrier furnace maintenance -Cleaned and checked operation of furnace and humidifier
Aurora, IL 60502
Mark J.
Mark J.
Carrier Furnace Maintenance -Cleaned and checked operation of furnace and humidifier everything checks ok
Aurora, IL 60502
Mark J.
Mark J.
Carrier furnace maintenance
Aurora, IL 60502
Mark J.
Mark J.
Fall maintenance of furnace. Installed Aprilaire humidifier
Lemont, IL 60439
Mark J.
Mark J.
Fall maintenance of furnace and humidifier
Lemont, IL 60439