Brand Certified
On The Mark Heating and Air
5.0(1,047 reviews)
Certified by On The Mark Heating and Air • Aug 23, 2026
Business Details
2200 Stonington Ave, Hoffman Estates, IL
60169, United States
Certified by On The Mark Heating and Air • Aug 23, 2026
(847) 558-6304
Certified by On The Mark Heating and Air • Aug 23, 2026
https://onthemarkhvac.com/?utm_source=google&utm_medium=gmb&utm_campaign=local
Certified by On The Mark Heating and Air • Aug 23, 2026
About
Certified by On The Mark Heating and Air • Aug 23, 2026
HVAC ContractorAir Conditioning ContractorHeating ContractorAir Quality Consultant
🎯 On the Mark Heating & Air is here whenever you need help with your heating, air conditioning, or indoor air quality in Hoffman Estates, Schaumburg, or the surrounding areas.
When you call us, we’ll get to you fast, give you a straightforward evaluation of your HVAC system, then get you the solutions you need ASAP!
Our customers love us because we:
➡️ Value honesty, integrity & treat our customers like family
➡️ Have highly-trained, NATE-certified & friendly technicians
➡️ Offer flexible financing options & upfront pricing
➡️ Have extended warranties & guarantees
➡️ Are community-centered, supporting various non-profits
📞 Call us today for expert HVAC service!
Location
Certified by On The Mark Heating and Air • Aug 23, 2026
On The Mark Heating and Air
2200 Stonington Ave, Hoffman Estates, IL
60169, United States
Hours
Certified by On The Mark Heating and Air • Aug 23, 2026
MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours
Reviews
5.0
1,047 reviews
5 stars
1,034
4 stars8
3 stars1
2 stars0
1 star4
- SPStephanie Peters5 days ago5.0Chris was great. Very friendly yet professional and answered all my questions and didn’t rush through anything but took the time to be sure everything was done to my satisfaction. A+ experience!!!
- RSRob StoltzAug 22, 20265.0Patrick did an awesome job. Very prompt, answered all of my questions, did a great job explaining diagnostics.
- SCShane ClaffeyAug 22, 20265.0On behalf of my mother, Kelly Claffey: On The Mark provided an innovative, performance-based HVAC solution when our home’s air conditioning system failed. For the first time in 24 years, we now have consistent airflow and comfortable temperatures on every level of our home—something other companies told us was not possible. Their entire team was excellent to work with, especially James in sales and Mark, the owner, who personally completed the final quality-control check. We could not be happier with the results and the level of service we received.
- ANanila NithinAug 20, 20265.0Thank you Mark heating and Air. Chris is very professional and explained with the problems about the AC units with clear videos and understandable way.
- JJJessicaAug 15, 20265.0John is great he is patient thorough and explained, everything. I have been with on the Mark since they started a LOnG time ago and I wouldn’t go with anyone else! Thanks again mark and John.
Frequently Asked Questions About On The Mark Heating and Air
What services does On The Mark Heating and Air provide?
On The Mark Heating and Air offers heating, air conditioning, and indoor air quality services, including HVAC evaluations and solutions in Hoffman Estates and surrounding areas.
Where is On The Mark Heating and Air located?
It is located at 2200 Stonington Ave, Unit 110, Hoffman Estates, IL 60169.
What are the business hours of On The Mark Heating and Air?
They are open 24 hours a day, 7 days a week, offering around-the-clock service.
How quickly does On The Mark Heating and Air respond to service calls?
They prioritize fast service by providing a prompt evaluation of your HVAC system and delivering solutions as soon as possible.
Does On The Mark Heating and Air offer financing options?
Yes, they offer flexible financing options and upfront pricing to suit customers' needs.
What certifications do the technicians at On The Mark Heating and Air have?
Their technicians are highly trained and NATE-certified, ensuring expert service.
How can I contact On The Mark Heating and Air?
You can call them at +1 847-973-5851 or visit their website at https://onthemarkhvac.com/.
What are some nearby services near On The Mark Heating and Air?
Nearby you can find Trusted Homes Solutions for home services, Abesco Inc. for appliance repair and electronics, and Golden Knots Rug Cleaning for carpet and home cleaning services.
Are there any event photography services near On The Mark Heating and Air?
Yes, Ranka Photography, Angel Michelle Photography, Maureen T. Miller Photography, and The Studio100 provide professional and event photography services nearby.
Which nearby places could help customers visiting On The Mark Heating and Air with insurance or home security?
Customers can visit Amanda Delong - American Family Insurance Agent for health insurance or Euthenics Inc for home security and IT services nearby.
Brand Certified Facts from On The Mark Heating and Air
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Certified August 23, 2026Yext Knowledge Graph
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