Deer Park

Get the Comfort You Deserve

Call (847) 630-9562 Call Now (847) 630-9562

On the mark trucks in front of a house in Schaumburg, IL

HVAC Service in Deer Park, IL

When you need help with your HVAC in Deer Park, IL, you can always call us at On the Mark Heating & Air. We’ll send an expert to your door soon to help you out so you and your family can get comfortable at home again soon. Stop worrying when you call on us today!

Book Now Book Now

    On the Mark Heating and Air BBB Business Review

Deer Park HVAC Repair & Maintenance

Our experts in HVAC repair in Deer Park are standing by, ready to help you whenever you need it. We can fix all types of systems and tackle repairs both big and small, so you never have to wonder if we can handle your system.

You can call us for your regular HVAC maintenance in Deer Park, too, so you never have to wonder if your system is in good condition again. We’ll keep things working well for you and get any necessary repairs completed fast so it will stay reliable for many years.

Deer Park HVAC Installation & Replacement

When it’s time for an HVAC replacement in Deer Park, get our experts to help you find the best new units for your needs. We’ll match you up with them, then handle your HVAC installation, too, so you’ll know your system is ready to work for you when we’re done.

Book Now Book Now

Deer Park Air Conditioning Services

No matter your needs when it comes to air conditioning service in Deer Park, our team has your back. We have worked on air conditioners for years so we can always figure out what is going wrong and how to help. Call on us anytime you need:

  • AC repair
  • AC maintenance
  • AC installation/replacement
  • Ductless/mini-split AC repair, maintenance, installation/replacement
  • Commercial AC service

Deer Park Heating Services

Our experts offer heating services in Deer Park, too. We work on all types of heating systems and we take on problems both large and small. There’s nothing we won’t take care of to help your family stay warm this winter. Reach out to us today or whenever you need:

  • Heating repair
  • Heating maintenance
  • Heating installation/replacement
  • Furnace repair, maintenance, installation/replacement
  • Heat pump repair, maintenance, installation/replacement
  • Commercial heating service

Deer Park Indoor Air Quality Services

Is indoor air quality in Deer Park a concern for you? Call us today! We offer a wide variety of indoor air quality solutions and we can help you figure out which ones would be best for you. Call today to get help with:

  • Indoor air quality testing
  • Air purification & filtration
  • Whole house humidifiers & dehumidifiers

Get Help at Home Today!

At On the Mark Heating & Air, we are here for you. Call us now or anytime you need us and know we will be there soon. Make your appointment today to get your HVAC system in Deer Park working again ASAP.

5 Star Rating | 525+ Google Reviews

Service Made Simple

You can count on us to take care of all your home’s needs.

Consult with Our Team

We will evaluate your home and how we can help improve the comfort and savings.

Get a Customized Plan

We will create a customized plan for your heating & cooling needs leaving your home very comfortable.

Enjoy your 5 Star Comfort

Sit back and relax in your home with an energy efficient HVAC system that just works.