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 strong customer satisfaction and trust. Customers consistently express appreciation for the company's reliability, professionalism, and honest business practices. A dominant theme is the emphasis on trustworthiness and integrity, with reviewers highlighting how the company prioritizes customer interests over unnecessary upselling or overcharging. Long-term loyalty is evident, with customers expressing confidence built over many years of service. The technicians are frequently praised for being knowledgeable, personable, and punctual, creating a sense of dependability that customers clearly value. Communication and ease of scheduling are noted as strengths, contributing to a smooth and stress-free service experience. The tone throughout is one of genuine appreciation and recommendation, with customers expressing gratitude for the quality workmanship, efficiency, and courteous interactions. Overall, the reviews convey a strong sense of satisfaction with both the technical expertise provided and the customer-focused approach that fosters lasting relationships.

At a glance

Tempco Heating and Air Conditioning has completed 25 jobs in January 2025.

The most recent job was on January 30, 2025.

Recent work covers Downers Grove, IL, Elmhurst, IL, La Grange, IL, Lemont, IL and Naperville, IL.

Job Locations

Mark J.
Mark J.
Furnace maintenance
Elburn, IL 60119
Mark J.
Mark J.
Furnace maintenance
Lemont, IL 60439
Mark J.
Mark J.
Install furnace humidifier
Homer Glen, IL 60491
Mark J.
Mark J.
Furnace maintenance
Winfield, IL 60190
Mark J.
Mark J.
Furnace maintenance
Plainfield, IL 60585
Mark J.
Mark J.
Balance ductwork system
New Lenox, IL 60451
Mark J.
Mark J.
Furnace maintenance
Oswego, IL 60543
Mark J.
Mark J.
Furnace maintenance
Aurora, IL 60504
Mark J.
Mark J.
Furnace maintenance
Montgomery, IL 60538
Mark J.
Mark J.
Furnace service
Wonder Lake, IL 60097
Mark J.
Mark J.
Furnace maintenance
La Grange, IL 60525
Mark J.
Mark J.
Furnace maintenance
La Grange, IL 60525
Mark J.
Mark J.
Furnace maintenance
Naperville, IL 60540
Mark J.
Mark J.
Furnace maintenance
Naperville, IL 60564
Mark J.
Mark J.
Furnace maintenance
Elmhurst, IL 60126
Mark J.
Mark J.
Furnace maintenance
Downers Grove, IL 60515
Mark J.
Mark J.
Furnace maintenance
Downers Grove, IL 60515
Mark J.
Mark J.
Furnace service
Bolingbrook, IL 60490
Mark J.
Mark J.
Furnace maintenance
Warrenville, IL 60555
Mark J.
Mark J.
Balance duct system
Oswego, IL 60543
Mark J.
Mark J.
Furnace maintenance
Winfield, IL 60190
Mark J.
Mark J.
Furnace maintenance
Lockport, IL 60441
Mark J.
Mark J.
Furnace maintenance
Lemont, IL 60439
Mark J.
Mark J.
Furnace maintenance
Elmhurst, IL 60126
Mark J.
Mark J.
Furnace maintenance
Plainfield, IL 60585