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 488 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and trust. Customers consistently express appreciation for the professionalism, reliability, and expertise demonstrated by the service technicians. Recurring themes include punctuality, with technicians regularly arriving on time or within scheduled windows, and exceptional customer service characterized by friendliness and courtesy. Many reviewers highlight the value of having knowledgeable technicians who take time to explain procedures, answer questions thoroughly, and provide helpful advice about HVAC systems. The educational approach taken by service providers is particularly appreciated, with customers feeling informed and empowered about their equipment. Long-term loyalty emerges as a significant trend, with several customers noting years of continued service, indicating sustained satisfaction and trust in the company. The consistency of service quality is emphasized, with customers expressing gratitude for seeing familiar technicians year after year, which fosters a sense of reliability and personal connection. Overall, the tone is enthusiastic and grateful, with customers viewing the service as dependable, honest, and representing good value for the cost. The sentiment reflects a strong recommendation for the company's professionalism, efficiency, and customer-focused approach.

Reviews

Excellent job
Leesa - Homer Glen, IL 60491
Excellent service!
Coleen - Orland Park, IL 60462
Excellent Service -
Great service and nice to have the same rep back year over year.
Ray - Bolingbrook, IL 60490
Excellent Service! Mark is always the consummate professional.
Christopher - Western Springs, IL 60558
excellent service
Susan - Lemont, IL 60439
Excellent Service!
Erika - Homer Glen, IL 60491
Great Service
Prompt professional service
Ed - Lemont, IL 60439
Excellent service !
Everything was easy to schedule, the company always had people available to answer phone calls. My technician was really helpful, answered a lot of questions and thaught me everything about the machines.
Sergio - Woodridge, IL 60517
Always excellent service
We’ve been using Tempco since we bought our home 13 years ago.
Tom - Bolingbrook, IL 60490
install whole house humidifier
Tech was knowledgable and efficient
Curt - Plainfield, IL 60586
Great and timely service!
Mark is a very competent and an expert in his field as well as being very friendly and professional.
James - Warrenville, IL 60555
Excellent Service!
KP - Orland Park, IL 60462
Outstanding as always!
Mark was on time as always and very courteous and took his time to service the system properly as well as understand my concerns and addressed those during the visit. It was easy to schedule the service via phone. Highly recommend Tempco and Mark J.
Ajit - Naperville, IL 60563
Great service
Mark is an excellent technician Very friendly guy
Jim - Naperville, IL 60564
Excellent Service
Great Service
Ray - Bolingbrook, IL 60490
Excellent Service!!
Mark from Tempco does a thorough a professional job everytime he visits for service calls. We appreciate his service!
Steve - Wheaton, IL 60187
Great Service
Mark from Tempco has been servicing our HVAC system for years. He always does a thorough job to make sure our unit is functioning properly.
Chuck - Westmont, IL 60559
Excellent service always!
Mark is a pro's pro!
Scott - Lombard, IL 60148
excellent company and service
Great technician
Bill Ballay - Lemont, IL 60439
Excellent Service
Tempco and their service person, Mark, do excellent work. They are prompt, organized , easy to communicate with and reliable. I have used their services for the past 8 years.
Richard - Warrenville, IL 60555
Consistently great service
Mark always does a great job
Tim - Western Springs, IL 60558
very good service
0n time helpful,courtious, and seems very capable. we feel we can trust him
Andrew - Westmont, IL 60559
Excellent Service
Service that is prompt, efficient and friendly.
Stu - Lincolnshire, IL 60069
Service review
Bill - Western Springs, IL 60558
Excellent
Kimberly - New Lenox, IL 60451
Great Service!!!!!
Mark is an excellent A/C Technician! He is always willing to assist in any matter & is very helpful for our concerns! Please convey our sincere appreciation to him!!
Joseph - Naperville, IL 60564
Very good service!
Mark has always done a great job when servicing our furnace and a/c unit. Great person.
Chris - Lemont, IL 60439
Work Well Done
Service was prompt. Have a longtime history with Mark and Tempco. All positive.
Phil - Aurora, IL 60502
Great service
Marian - Woodridge, IL 60517
Excellent
Patient , respectful qnd professional
Kimberly - New Lenox, IL 60451
Everything Was Great!!!
Greg - Lemont, IL 60439
Great Service!
Mark is a fantastic service provider from Tempo. He arrives promptly on time. He's quick and efficient with his service and he always has a smile on his face!
Jayne - Western Springs, IL 60558
Awesome
Always polite and professional. The work is exemplary!!!
Paul - Winfield, IL 60190
Excellent
Great service. Mark is polite and professional.
Dennis - Aurora, IL 60502
Excellent Service
Mark J is a wonderful technician & willing to answer our many questions! Am excellent service technician!
Joseph - Naperville, IL 60564
Excellent...Easy in & easy out.
Since we believe in proactive maintenance, we're very happy to have Tempo come twice each year to confirm everything is working according to design. So far; so good!!
Richard - Winfield, IL 60190
Work Well Done
Mark has serviced our heating/cooling equipment for many years. He also installed a new heating unit. He does excellent work.
Phil - Aurora, IL 60502
We Get What We Pay For
The appointment process is easy. Mark is always timely, professional, and courteous.
Dale - Orland Park, IL 60462
Excellent service
Mark is always courteous. We trust him. He answers any questions we have
Andrew - Westmont, IL 60559
I love Tempco!
Mark is the best! Very professional, polite, and gets the job done quickly!
Scott - Lombard, IL 60148
Always a pleasure!
It is always a pleasure to see Mark. He brings a positive attitude and gets the job done quickly and competently.
Mark - Lockport, IL 60441
Prompt, Professional, Great Service
RMN - Winfield, IL 60190
Great Company for HVAC Service
Mark is an excellent service tech - always on time, great communication, and very knowledgeable.
Michael - Glen Ellyn, IL 60137
Great Service
Mark J. at Tempco has been servicing out HVAC for about 10 years. He does a great job.
Chuck - Westmont, IL 60559
Excellent Service
Mark always does a great job keeping are system operating
Jeff - North Aurora, IL 60542
Excellent service!
I'm always happy with Mark. I've been having him do our twice a year services for a few years now and always feel comfortable that things are done well and taken care of.
Ryan - Lemont, IL 60439
Excellent service!
Mark is a great technician.
Coleen - Orland Park, IL 60462
Excellent Service!
Mark is fantastic. He’s been servicing our home for as long as I can remember (9 years). He’s honest, quick, and helps educate when appropriate. Couldn’t recommend him enough.
Charles - Wheaton, IL 60187
Great job again
Mark always does a great job
Michael - Shorewood, IL 60404
HVAC service
Mark has been monitoring our system for many years and we have found him to be responsive and explains the system when asked. He is prompt and courteous along with being very knowledgeable.
Jeff - Naperville, IL 60564

Job Locations

Mark J.
Mark J.
Found bad capacitor replaced cleaned condensor coil and checked charge everything checks ok
Homer Glen, IL 60491
Mark J.
Mark J.
Found compressor side of capacitor failed Replaced checked charge everything checks ok
Lemont, IL 60439
Mark J.
Mark J.
Warranty work - Adjusted blower speed from 10 to 14 which is the high setting for a 3 ton balanced house with homeowner to bet better air flow to 2nd floor also recommended to run fan in on position to circulate air in home to help bring differential between floors closer together.
Plainfield, IL 60585
Mark J.
Mark J.
Replaced old coil and air conditioner.
Naperville, IL 60540
Mark J.
Mark J.
Found bad capacitor both fan and compressor side failed. Replaced capacitor, cleaned off fins on ac checked charge everything checks ok
Downers Grove, IL 60515
Mark J.
Mark J.
Found filter plugged had not been changed since November Removed homeowner will get filter and replace. Adjusted blower speed from 9 to 14 max for 3 ton ac checked charge adjusted from 15° of sub cooling to °9° Balanced house to get better airflow to 2nd floor walked home with homeowner he is happy. Also recommend to run fan in on position to circulate air and bring differential between floors closer together
Plainfield, IL 60585
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK . Ran bleach threw condensate drain. Turned on dehumidifier and set to 45 % also recommended to run fan in on position to circulate air in home
Plainfield, IL 60585
Mark J.
Mark J.
Carrier ac service. Checked filter good. Cleaned condenser coil. Checked capacitor (good). Checked condenser fan motor (.48 ams, good). Checked compressor (4.58 amps, good). Checked charge (good). Everything is in good working order at this time.
Warrenville, IL 60555
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK
Plainfield, IL 60544
Mark J.
Mark J.
cleaned and checked operation of Carrier air conditioner found compressor wire but at capacitor replaced named wire everything checks ok
Naperville, IL 60564
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK
Montgomery, IL 60538
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK Leveled ac the best i could
Joliet, IL 60431
Mark J.
Mark J.
Cleaned and checked operation of Carrier furnace and air conditioner everything checks OK
Homer Glen, IL 60491
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK
Orland Park, IL 60462
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner
Lockport, IL 60441
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK
Lockport, IL 60441
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK
Winfield, IL 60190
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK
Warrenville, IL 60555
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK
Warrenville, IL 60555
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK
Orland Park, IL 60462
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK replaced capacitor homeowner provided
Oak Brook, IL 60523
Mark J.
Mark J.
Cleaned and checked operation of 2 air conditioners everything checks OK
Western Springs, IL 60558
Mark J.
Mark J.
Cleaned and checked operation of Carrier air conditioner everything checks OK
Romeoville, IL 60446
Mark J.
Mark J.
Cleaned and checked operation of air conditioner everything checks OK
Romeoville, IL 60446
Mark J.
Mark J.
Found compressor side of capacitor failed Replaced everything checks ok
Winfield, IL 60190