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Hand Adjusting Thermostat

What Is Short Cycling?

December 10, 2021

We want you to know the concept of short cycling, why it can be harmful and costly, what causes the problem, and what you can do about it.

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Winter landscape seen through the window, and green plant

The Basics of Winter Indoor Air Quality

November 30, 2021

In the winter, being snug in your home can be cozy. It can also play havoc with your indoor air quality, creating some health problems.

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Upgrade Your Furnace

Video – Upgrade Your Furnace

November 22, 2021

Is your home’s furnace old and slow? Upgrade your furnace for increased energy efficiency and heating cost reduction.

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Woman Hears a Strange Noise

What’s That Sound Coming From My Furnace?

November 10, 2021

Is your furnace making a strange noise? To help, we made a list of six common furnace noises, their causes, and what to do if you hear them.

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Furnace Technician

How to Know When to Replace Your Heating System, Furnace, or Boiler

October 29, 2021

When you are ready to replace the furnace or boiler call Doornbos Heating and Air Conditioning for a consultation.

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Closeup Shot Of Home Furnace Burner Ignited With Crimson Blue Flame

How Does My Gas Furnace Work?

October 20, 2021

Our professionals want you to know how your gas furnace works so you can spot any potential problems with your home’s heating system.

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Reduce Energy Bills

Video – Do You Want to Reduce Your Energy Bills?

October 11, 2021

Upgrade your HVAC equipment to help you save money on your monthly energy bills.

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Furnace Maintenance

5 Reasons to Schedule a Fall Furnace Clean and Check

September 30, 2021

Long before the first night you’ll want to use it, you should have your furnace cleaned and checked by one of our professionals.

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Air conditioner with maintenance tools and service reminder in residential back yard

What Are the Benefits of HVAC Maintenance?

September 13, 2021

When was the last time you scheduled maintenance for the heating, ventilation, and air conditioning (HVAC) system in your household?

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Remote home control system on a digital tablet or phone.

Why Programmable Thermostats Are Hot!

September 10, 2021

Replacing your old thermostat with a programmable one can increase your comfort, lower your utility bills, and reduce your carbon footprint.

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Need Air Conditioner Service?

Contact the experts at Doornbos Heating and Air Conditioning.

Call us at 708-423-9580!


Doornbos Heating and Air Conditioning proudly provides HVAC service to Frankfort, Homer Glen, Mokena, Mount Greenwood, Oak Lawn, Orland Park, Palos Heights, Palos Park, Tinley Park, and the surrounding communities. Visit our service area page for more coverage details, call us at 708-423-9580, or request service online today.