Call (847) 630-9562 
Rebates
Heat Pump Rebates
Up to $2,000 in savings!
Call for details.
Service Offer
$35 Off Any Service
Enjoy $35 off any service of your choice when you spend $250 or more!
Expires 03/31/26.
Some exclusions may apply. Call for details.
Heating Offer
$89 Second Opinions
On Cracked Heat Exchangers
Expires 03/31/26.
Some exclusions may apply. Call for details.
Indoor Air Quality
$89 Join The Waitlist Special
Plan ahead and schedule with our expert Indoor Air Quality Analyzers for a whole home indoor air quality assessment.
Expires 03/31/26.
Get your air tested for only $89 and receive a full report.
Financing
0% Financing for 12 Months
Same as cash!
*upon credit approval
5 Star Rating | 900+ Google Reviews
Hear from your neighbors about our heating, cooling and indoor air quality services in Schaumburg, IL.
Ready for 5-star service from On the Mark?
Let Us Take It From Here.
1.
Step 1. Book Your Appointment
Call us and a real person picks up, every time. You'll get a confirmation text right after booking, plus a reminder 24 hours before your appointment so nothing slips through the cracks.
2.
Step 2. We Come to You
When your tech is heading your way, you'll get a text with their photo and a short bio so you know exactly who's coming. They'll show up on time, keep your home clean, and walk you through everything they find before any work begins.
3.
Step 3. Job Done, You're in the Loop
Once the work is complete, you'll get a full summary of everything that was done sent straight to your phone and inbox. Clear, simple, and documented so you always know what was done and why.
Serving Schaumburg & Surrounding Area
- Arlington Heights
- Bartlett
- Barrington
- Elgin
- Hoffman Estates
- Hanover Park
- Streamwood
- +20 More Cities
