Contact Us

Contact Rest Assured HVAC

Call, book online or send us a message. For no heat, no cooling or anything that can’t wait, call us any time, day or night.

Call (847) 224-2420
Book Online
  • 24/7 emergency service
  • Office hours Mon–Fri, 8–5
  • Based in Elgin, IL

How to Reach Us

24/7 emergency

Phone

(847) 224-2420

Answered 24/7 for emergency no-heat and no-cooling calls.

Mon–Fri

Office Hours

Monday through Friday, 8 a.m. to 5 p.m.

Elgin, IL

Our Shop

11N099 Muirhead Rd
Elgin, IL 60124

By mail

Mailing Address

202 S Randall Rd
PO Box 5440
Elgin, IL 60121

Fox Valley

Service Area

Kane, McHenry, DuPage and DeKalb counties.

See the towns we serve →

Send Us a Message

Questions about service, our maintenance plan or a past visit? Send a note and we’ll get back to you during office hours. Need a price on a new system? Use our quote request instead.

First Name
Last Name
Street Address
City
State / Province
Zip / Postal Code
Country

Other Ways We Can Help

Book Online

Pick a time for a repair, tune-up or diagnostic visit.

Book now →

Get a Free Quote

Replacing a furnace, AC, heat pump or boiler? Start here.

Request a quote →

Financing

Prequalify in about 2 minutes with no impact to your credit score.

See financing →

Maintenance Plan

Two tune-ups a year, a free service call and 5% off for $240 a year.

See the plan →

No Heat or No Cooling Right Now?

Don’t fill out a form. Call us and we’ll tell you honestly how soon we can be there.

Call (847) 224-2420

Find Our Shop

11N099 Muirhead Rd, Elgin, IL 60124.