Heating Services

24/7 Emergency Heating Services

When the heat goes out in the middle of an Illinois winter, it’s more than an inconvenience… it’s an emergency. We provide emergency heating repair for all makes and models, ensuring your family stays safe and warm.

Call Althoff immediately if you notice:

• System Failure: Your furnace or boiler won’t kick on or stay running.
• Odd Smells: Persistent burning odors or the scent of “rotten eggs” (gas).
• Loud Noises: Banging, whistling, or rattling coming from the unit.
• Yellow Pilot Light: A sign of incomplete combustion and potential carbon monoxide risk.
• Uneven Heat: Some rooms are freezing while others are stifling.

Custom Heating Installation & System Design

A new heating system is a 20-year investment. At Althoff, we don’t just “swap boxes.” We perform detailed home evaluations, checking square footage, insulation, and ductwork, all to ensure your new system is perfectly sized for maximum efficiency and longevity.

We Specialize in All Residential Systems:

• Gas & Electric Furnaces: Reliable, high-AFUE rated systems for consistent warmth.
• Residential Boilers: Experts in standard cast iron and modern high-efficiency condensing boilers.
• Radiant Heating: Draft-free, superior comfort through floors or walls.
• Ductless & Heat Pumps: Modern, energy-efficient options for year-round comfort.
• Unico Systems: Specialized high-velocity heating for older or historic homes.

Heating Maintenance & The White Glove Club

Annual maintenance is the only way to ensure your system runs safely and keeps your energy bills low. Our comprehensive 21-point safety tune-ups identify small issues before they become expensive midnight emergencies.

Join the White Glove Club for:

• Annual heating and cooling safety inspections.
• Carbon monoxide and gas leak testing.
• Priority 24/7 “Front of the Line” scheduling.
• Exclusive member discounts on all heating services, repairs, and installations.

Why Homeowners Hand it Off to Althoff

• Legacy of Trust: Local and family-owned since 1961.
• Home Engineering Experts: We solve the root cause of heating issues, not just the symptoms.
• Dual-Hub Service: Fast response times from our hubs in Crystal Lake and Hillside.
• 100% Satisfaction: We don’t leave until your home is warm and you are happy.

Keep your home cozy all winter. If you find yourself in need of heating services… Hand it off to Althoff!