Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
HVAC Company
Wally's Heating & Air Conditioning
VerifiedEstablished · 43 yrs
3.6(96 reviews)•Residential•Serving Lake in the Hills, IL
AHRIEPAEnergy StarNATENCI
Licensed HVAC service provider offering heating, cooling, and air quality solutions for residential and commercial customers.
Wally's Heating & Air Conditioning is an HVAC contractor based in Lake in the Hills, IL. Services listed include HVAC installation, furnace service, AC service and AC repair. 43 years in business and emergency service available.
43
Years in Business
Yes
Emergency Service
Available
Financing Available
Lake in the Hills, IL
Service Area
Services Offered
HVAC Installation
Furnace ServiceHeating Repair
AC ServiceAC RepairHeating MaintenanceCooling MaintenanceAir Quality ServicesWater Heating
Pool Heaters
Snow Melt Systems
Zoning Systems
WiFi ThermostatsCustom Ductwork
Commercial HVAC
Customer Sentiment Summary
Strengths
- Conduct on site is the headline: 29 of 81 reviewers describe the crew as professional, courteous and respectful of their home.
- Technical depth stands out: 19 reviewers credit the crew with a correct diagnosis and a clean repair.
- Technicians turn up inside the booked window, something 12 reviewers went out of their way to note.
- 11 reviewers describe the technicians as personable and pleasant to deal with.
Areas to Watch
- Site cleanliness is mostly positive but not unanimous: 2 of the 81 reviews analysed raised it, and a minority had problems.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of Wally's Heating & Air Conditioning? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
Wally's Heating & Air Conditioning lists HVAC installation, furnace service, AC service, AC repair, heating maintenance and cooling maintenance. Contact them to confirm they handle your specific job.
Wally's Heating & Air Conditioning is based in Lake in the Hills, IL.
Yes, Wally's Heating & Air Conditioning lists emergency service. Call them directly for urgent heating or cooling repairs.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.