One Hour Air Conditioning & Heating®

One Hour Air Conditioning & Heating® is a HVAC Contractor in Baltimore, MD. The company provides heating, cooling and indoor air quality solutions for residential customers, offering services that include HVAC repair, installation and maintenance, emergency 24/7 repairs, air‑conditioner and furnace service, thermostat repair, ductwork design and sealing, heat‑pump and boiler work, dehumidifier and air‑quality treatments, and comprehensive indoor air quality improvements. With a customer rating of 4.80, the firm is recognized for punctual, friendly and knowledgeable service throughout Baltimore and surrounding neighborhoods.

Operating as an independently owned and operated business, One Hour Air Conditioning & Heating® emphasizes respect for customers’ time and comfort. Technicians are backed by a two‑year, 100 % satisfaction guarantee and StraightForward® pricing, and the company promises to reimburse clients if an appointment runs even a minute late. The team is available around the clock for emergencies, aiming to resolve issues on the first visit while maintaining a reputation for reliability and courteous service.

The service center is located at 3702 Yosemite Ave in Baltimore. It sits just off West Cold Spring Lane and near the main thoroughfare Wabash Avenue, both about three‑tenths of a mile away. The Ivy Support Center and Arlington Post Office are each roughly 0.2 mile from the location, and the Callaway‑Garrison neighborhood and Callaway Elementary School are also within a short walk, providing convenient access for local residents.

Renowned for its rapid emergency response and unwavering satisfaction guarantee, One Hour Air Conditioning & Heating® delivers dependable HVAC expertise that keeps Baltimore homes comfortable year‑round.