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COMPANY PROFILE
Althoff Home Services
Advertises tank and tankless water heater installation.
Althoff Home Services is an independent business that advertises water heater work. It is not our employee or partner and does not receive requests from Ember & Tank. We haven’t verified its license, insurance or workmanship.
- Tank
- Tankless
- Repair
- Emergency service
- Based in
- 8001 S Illinois Rte 31, Crystal Lake, IL 60014
- Website
- callalthoff.com ↗
- Water heater page
- Services page ↗
- Service areas they list
- Algonquin, Barrington, Cary, Clarendon Hills, Crystal Lake, Elmhurst, Hillside, Hinsdale, Huntley, Lake Geneva, WI, Lake Zurich, Lake in the Hills, McHenry, Mundelein, Oak Brook, Oakbrook Terrace, Western Springs Source ↗
- Information checked
- September 30, 2026
What Althoff Home Services says about itself
- Installs, repairs and replaces tank and tankless water heaters for Crystal Lake and surrounding Chicago suburbs; quotes provided before service Source ↗
- Family owned since 1961; 100% satisfaction guarantee; 24/7 emergency service Source ↗
- Separate maintenance pages for standard tank and tankless water heaters Source ↗
The company’s own statements, not verified by Ember & Tank.
What the reviews say
Water heater replacement & service
Customers praised a technician's professionalism and explanations during a tankless water heater installation, and a thorough water heater flush during a maintenance visit.
No water heater complaints found in the sources checked.
See all 2 sources and details
Selected reviews · Checked September 30, 2026. Two Google reviews republished on the company's website, and the site shows only relative dates. This is not a complete history.
Google review republished on company website
Bob and Sharon Rozycki (shown as Bob Rozycki) · Relative date only; exact date unavailable
The customers said a technician replaced their water heater with a new tankless unit, answered all their questions, explained how to use the equipment and did an outstanding installation. They said they have been Althoff customers for over thirty years.
Google review republished on company website
Ginda Owens · Relative date only; exact date unavailable
The customer said the water heater was checked and flushed during seasonal boiler maintenance and described the service as excellent.
Ask before booking: If I'm switching from a tank to a tankless water heater, what venting, gas-line or electrical work does your quote include, and what annual maintenance do you recommend?
Local guides that list Althoff Home Services
Places the company says it serves on its own website. Check that it covers your address.
Before you book
- Ask for the license number and check it: IDPH plumber license verification ↗
- Get the exact model, the heater warranty and the labor warranty in writing
- Ask who gets the permit and books the inspection
- Compare the full installed price with another written quote