All Temp Heating & Air Conditioning: Chicago's Trusted HVAC Partner Since 1938

When Chicago's weather swings from bitter lake-effect winters to humid summer heat, a reliable HVAC system isn't a luxury—it's a necessity. For over 80 years, All Temp Heating & Air Conditioning in Chicago, IL, has been the go-to source for keeping homes and businesses comfortable year-round. This family-owned company provides 24/7 emergency service, ensuring help is always available whether a furnace quits on a below-zero night or an AC fails during a heatwave. Their team of NATE-certified technicians handles both residential and commercial projects across the region.

Business Overview

All Temp Heating & Air Conditioning operates around the clock. They understand that HVAC problems don't wait for business hours, especially in a city like Chicago where extreme temperatures are common. The company employs skilled, friendly technicians and installers who are trained to work on all types of systems found in local homes, from classic bungalows to modern high-rises. They serve homeowners, landlords, and business managers with equal care.

Key Services for Chicago-Area Homes & Businesses

The team at All Temp Heating & Air Conditioning focuses on the services local properties need most:

• HVAC Installation & Replacement: They help select and install efficient furnaces, air conditioners, and heat pumps from leading brands to suit Chicago's climate and your budget.
• HVAC System Repair: Fast, accurate repairs for all makes and models, getting your heating or cooling back online quickly.
• HVAC System Maintenance: Seasonal tune-ups and maintenance plans to improve efficiency, prevent breakdowns, and extend system life.

They also specialize in improving indoor air quality and duct cleaning, which is valuable for older Chicago-area homes that can accumulate dust and allergens.

Areas Served

All Temp Heating & Air Conditioning serves Chicago, IL, and a vast network of surrounding communities. Their service area includes Aurora, Joliet, Naperville, Elgin, Schaumburg, Oak Park, Evanston, Skokie, Arlington Heights, and over 100 other towns across Cook, DuPage, Will, Lake, and Kane counties. Their technicians know the common HVAC setups and challenges in local architecture, from historic buildings in the city to newer subdivisions in the suburbs.

Company History

The story began in 1938. Walter Mehrholz started the business during the Great Depression, servicing boilers and heating units as one of the area's first Bryant dealers. He built his reputation on a handshake and hard work. Today, the company remains family-owned and operated, having grown to serve tens of thousands of families. They've expanded their offerings but kept the same commitment to honest service that Walter founded the business on.

Leadership

Robbie Mehrholz, Walter's grandson, now runs All Temp Heating & Air Conditioning alongside his sister. Robbie is a hands-on owner who is directly involved in the business and accessible to customers. He upholds his grandfather's values, supporting a 100% customer satisfaction policy. His personal commitment to fair pricing led to the company's "Best Price Guarantee" on all heating and cooling equipment.

Specialties & Highlights

• Family-Owned Since 1938: Deep roots and a long-term commitment to the Chicago community.
• Best Price Guarantee: Assurance of competitive value on equipment and services.
• Brand Expertise: Sells Bryant products and services Carrier, Lennox, Trane, American Standard, and many other major brands.
• 24/7 Emergency Service: Always open for urgent heating and cooling needs.
• NATE-Certified Technicians: Skilled, knowledgeable, and pleasant professionals.

Why Locals Choose All Temp

Homeowners and businesses in Chicago, IL, return to All Temp Heating & Air Conditioning for a simple reason: proven reliability. They combine generations of local experience with up-to-date training on modern systems. The "Best Price Guarantee" and free estimates remove the stress from major purchases. Most of all, people trust the company because they stand behind their work and treat every customer like a neighbor. For HVAC installation, repair, or maintenance from a team that knows Chicago's homes inside and out, All Temp is a trusted local resource.