I have been very happy with the furnace they installed 3 years ago. In June, I got a new AC unit. KC came out to inspect the old one and told me it would be best to replace rather than repair. As usual, everything was explained to me completely. Josh and Luis did the installation perfectly. Dot came by to do a final inspection. Everyone works as a great team, and I will continue to trust them to do a fantastic job.
Cooling installation
Air Conditioner Installation
Replacement is more than choosing a box. The installation should account for the home, duct system, airflow and how your family actually uses the space.
24/7 emergency HVAC Licensed, bonded & insured
4.9Google rating
637 reviews
637 reviews
Since 1999Family owned & local
NATE techniciansExperienced diagnosis
BBB A+Accredited business
24/7 HVACEmergency availability
What we handle
Service built around the cause—not just the symptom.
Right-sized AC replacement and installation for dependable Illinois summer comfort.
01
Home and comfort assessment
02
System sizing and efficiency options
03
Professional removal and installation
04
Startup testing and homeowner orientation
The McHenry method
Diagnose carefully. Explain clearly. Verify completely.
01
Measure before recommendingPerformance, safety and system conditions establish what is actually happening.
02
Make the tradeoffs visibleWhen more than one path makes sense, you should understand the cost, life and comfort implications.
03
Test the completed workThe repair or installation is checked in operation, then reviewed with the homeowner.
Straight answers
Common questions about air conditioner installation.
Every home and system is different. These answers help you prepare; an on-site diagnosis confirms the right next step.
Ask another questionDo you offer financing?
Financing options are available to qualified customers. Review the current terms before making a purchase decision.
Which AC brand do you install?
McHenry Heating & Air is a Trane Comfort Specialist and can discuss the equipment that fits the application.
Will a larger AC cool better?
Not necessarily. Oversizing can cause short cycles and poor humidity control, so sizing should follow the home’s actual load.
Verified Google reviews
What local homeowners say about air conditioner installation
4.9from 637 Google reviews
Twenty real, non-repeating Google reviews selected for this ac install/replacement slider.
Work was done professionally. The AC/ Furnace replacement installation was done while I was busy doing my own job which was very convienant. Other than the working unit you would never have known they were there. No scratched up walls from hauling the large units up and down stairs. Nothing went missing. No messes were left behind. And the follow up interview with Dot a few weeks after install was informative and pleasant. You get what you pay for: quality.
We had a great experience with this company. We called during a very hot week when our 22 year old ac unit no longer cooled the house properly. Service technician Jeremy arrived and diagnosed the problem and discussed with us our options. We decided that a new unit was the best plan. The next morning installation technicians arrived. Dot followed up with us assuring our expectations had been met. Customer service with this company is top shelf. We had a new unit cooling our house in less than two business days from our initial service call.
01 / 20
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