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Elgin HVAC Company

Proud to be your Elgin, IL Furnace & Air Conditioning Service, Repair & Maintenance Contractor

We are proud to be part of this community, serving as the go-to Elgin HVAC company for your heating and air conditioning needs. Whether you need HVAC repair in Elgin, IL, replacement or a new installation of a furnace, air conditioner, heat pump or air filtration system, we get the job right the first time. Our certified HVAC contractors in Elgin, IL service all furnace and air conditioning make and models.

Call us out to your home and we can assist you with anything you need when it comes to heating and air conditioning in Elgin, IL!

Air Conditioning Services

If you’re having issues with your air conditioning in Elgin, IL, call On the Mark for help! Don’t let it wait because these problems usually get worse! We’ll fix it fast to keep you cool, or help you choose a new AC system and get it installed quickly. We can also help maintain your air conditioning in Elgin, IL so your system will run as efficiently as possible for as long as possible!

Our Elgin, IL heating and air conditioning pros for help with the following AC services:

  • Repair Service
  • New Air Conditioner Sales
  • Air Conditioner Installation
  • Air Conditioning Replacement
  • High Efficiency Air Conditioner Upgrades
  • Air Conditioner Parts
  • Air Conditioner Maintenance Contract
  • Air Conditioner Repair
  • Commercial HVAC
  • Ductless Mini-Split Air Conditioners
  • Single Room Air Conditioners
  • Wall Mount Air Conditioners

Heating Services

When you need service for your heating in Elgin, IL, rely on our expertise at On the Mark Heating & Air. We’ll get someone to you quickly, find out why your heating system isn’t working, and get your warm air back on fast. No matter what it takes, our Elgin HVAC service team will help you find the solutions you need to stay warm this winter. We are the Elgin HVAC company that will work hard for you, no matter what!

Reach out to us for the following Elgin, IL heating services:

  • Repair Service
  • New Gas Furnace Sales
  • Furnace Installation
  • Furnace Replacement
  • Furnace Repair
  • Furnace Parts
  • Heating Maintenance Contracts
  • Commercial HVAC
  • Ductless Mini-Split Heat Pumps
  • Single Room Heating
  • Wall Mount Heat Pumps

Indoor Air Quality

If you’re concerned about the air quality inside your home, contact our expert HVAC contractors in Elgin, IL. We’ll come to you and do indoor air quality testing and help you figure out what, if anything, is polluting your air at home. Then, we’ll help you find a solution to mitigate it.

Our Elgin HVAC company provides the following IAQ services:

  • Air Conditioning Filters
  • Furnace Filters
  • Air Cleaners
  • Air Purifiers
  • Whole House Humidifiers
  • Programmable Thermostats
  • Heat Recovery Ventilators
  • Ultraviolet (UV) Germicidal Lights

Elgin, IL Furnace & AC Pros

There’s no job too big or too small for us when you call us for help with your heating and air conditioning in Elgin, IL. As a professional and licensed Elgin HVAC company, you can trust us to get your indoor air quality, heating and cooling systems functioning exactly the way you need them to. Reach out to us for HVAC service in Elgin, IL today!


Elgin is a large city located in northern Illinois. It is positioned in Cook and Kane counties. According to the United States Census Bureau, Elgin had a population of approximately 112,123 people in 2016. Elgin is the 9th largest city in the State of Illinois.

Before James T. and Hezekiah Gifford arrived in the area of present-day Elgin, it was occupied by Native American Indians. The Indian tribes used the area for hunting and camping. After the Gifford’s arrived, accompanied by Samuel Jewett Kimball, a new city was settled. James T. Gifford named the city in honor of a Scottish psalm. Gifford is quoted as saying “I had been a great admirer of that tune from boyhood, and the name Elgin had ever fallen upon my ear with musical effects.” Since its founding, Elgin has continued to grow and has been home to many successful businesses and individuals.

Modern-day Elgin is a beautiful, well-developed city. The city’s close proximity to Chicago has made it the ideal place to live. Many residents of Elgin commute to Chicago for work. In addition to its close proximity to Chicago, many individuals choose the city for the quality of life provided to residents. The Elgin Chamber of Commerce writes “Elgin has a quality of life and accessibility that are unusual for a city, including cultural, entertainment, and recreation opportunities not available in other Chicago suburbs.” Local attractions include Fox River Trolley Museum, Elgin Public Museum, Santa’s Village AZoosment Park, and the Elgin Area Historical Society Museum. In Elgin, there is something for everyone.

Residents of Elgin, Illinois find it necessary to have cooling and heating systems installed in their homes. During the summer months, daytime temperatures range from the mid to upper-80s. During the winter months, temperatures will dip well below freezing. Also, snowfall is common during the months of winter. Cooling and heating systems protect Elgin residents and their homes from potential damages caused by extreme temperatures. Depending on the season, an efficient cooling or heating systems may literally be a lifesaver.

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