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Here are our current offers to save you money on home plumbing, heating and cooling service, replacement and repairs. To take advantage of these specials, just call us at 815-455-7000 to request an appointment and mention the offer.

Free Second Opinion on Furnace Replacement

If you’ve been told you need a new furnace, a second opinion can give you the information you need to make an informed decision.

- Schedule by October 31, 2018



HVAC Replacement

5 for $5000
  • Trane 2-stage, Variable Speed 85% efficient gas furnace
  • Aprilaire bypass humidifier
  • Honeywell Wifi thermostat
  • Furnace surge protection
  • 2-year labor warranty

*excludes financing - $5,750 for financing jobs

- October 15-26, 2018



HVAC Service

Free Low Level CO detector with the purchase of a Silver Club or Gold Club Membership

- October 15-31, 2018




$50 off any water heater installation purchase


$1,500 for installation of Smart home water damage prevention system (Normally $2,000)
  • Using the one-tap water shutoff switch on your smart phone, you can immediately turn off the water coming into your home
  • Learns water usage allowing it to identify leaks
  • Daily tests to check for system leaks
  • Real time alerts through your app allows you to troubleshoot the issue, shut off the water, and get help
  • Certain insurance providers are giving upwards of 10% or more off annual premiums

October 15-31, 2018




"Matt knows our systems and definitely knows what he is doing. We have total confidence when he leaves that everything is done correctly."

~ T.S from North Barrington, IL


"Althoff's is a very good company who always gives great service and timely service by well-trained technicians. We are delighted to do business with this company!!"

~ R.G. from Crystal Lake, IL


"The tech was on time, efficient, and extremely knowledgeable. I would definintly use this individual again, if or when I need this kind of help."

~ M.S. from Crystal Lake, IL


Let Our Customers Tell You How Great We Are

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