24/7 Emergency Service
Since 1938
1-866-693-2009
CHICAGO NORTHSIDE
773-756-5632
CHICAGO SOUTHSIDE
773-756-5922
NORTHSHORE SUBURBS
847-906-6386
WESTERN SUBURBS
630-659-1149
NEAR WEST SUBURBS
847-906-6389
SOUTH SUBURBS
708-251-3302
The year was 1938.

Since 1938It was the waning years of the Great Depression. New York defeated the Chicago Cubs in the World Series. Franklin Roosevelt was our president. And a young man, Walter Mehrholz, scraped together all his money and opened a business servicing and repairing boilers and heating units, becoming one of the area’s first Bryant dealerships, where he had previously worked since 1927. Walter built his business with his hands, a handshake, and a promise, and his small company grew and grew. The rest is history. And thanks to my grandfather, Walter, All Temp Chicago Heating & Air Conditioning has become the first choice for tens of thousands of families throughout the Chicago and suburban areas. All Temp remains a family owned and operated company, selling quality furnaces, air conditioning, boilers, air purifiers, humidifiers, ventilation, water heaters, and provides expert equipment installation, tune-up, and repair services. Our courteous, fast, and friendly staff is here to service all of your needs. We are one of Bryant’s highest-rated dealers in the nation. We look forward to being of service to you.

Thank you,
Robbie Mehrholz

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