One Hour Air Conditioning & Heating
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About One Hour Air Conditioning & Heating
One Hour Air Conditioning & Heating has earned a reputation as Jacksonville's most responsive HVAC contractor, maintaining a 4.6-star average across 942 verified reviews while operating around the clock, seven days a week. Located at 6316 Greenland Rd in the Mandarin area, the company serves homeowners across Duval County, Clay County, and surrounding communities, including Atlantic Beach, Jacksonville Beach, Orange Park, Ponte Vedra Beach, and Mandarin. The company's name isn't just branding, it reflects their core promise: arriving within one hour or the service call is free, a guarantee that has driven their rapid growth in Northeast Florida.
What distinguishes One Hour from competing contractors is their unwavering commitment to punctuality paired with thorough, long-term solutions. Unlike fly-by-night operators who patch problems and leave, their certified technicians perform comprehensive diagnostics ensuring systems run efficiently well after the repair is complete. The company backs every job with a satisfaction guarantee, giving homeowners confidence that the work won't need repeating. This combination of speed, transparency, and accountability has made them the go-to choice for Jacksonville residents facing AC failures during the area's brutal summer heat waves.
Customer reviews repeatedly highlight specific technicians who exemplify the company's service standards. Roy earns consistent praise for arriving on time and explaining diagnostic findings patiently, helping homeowners understand their systems without feeling talked down to. Angel has earned multiple five-star reviews for quickly identifying ductwork leaks and providing practical maintenance advice. One reviewer described a same-day emergency where Gianni restored air conditioning in under 39 minutes during an early-spring heat wave, calling his work both professional and efficient. These named technician experiences underscore why Jacksonville homeowners trust One Hour for what the website calls 'Your Comfort is a Phone Call Away.'
What Customers Say
Across 942 reviews, customers consistently praise One Hour's rapid response times, with multiple reviewers noting same-day or under-one-hour service. Technicians Roy, Angel, Gianni, and Roigbel each receive individual five-star mentions for patience, thoroughness, and professional demeanor. The dominant sentiment across positive reviews is relief, homeowners express gratitude for prompt arrivals during Jacksonville's extreme heat and appreciation for clear explanations that helped them understand their systems.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| SaturdayToday | Open 24 hours |
Services
AC Repair
Fast diagnosis and repair of cooling system failures, with technicians arriving equipped to restore comfort quickly.
AC Maintenance
Routine tune-ups and inspections to keep systems running efficiently and prevent summer breakdowns.
AC Installation
New air conditioning system installation tailored to Jacksonville homes and the local climate.
Heating Repair & Maintenance
Year-round heating services including repair, maintenance, and furnace replacement for winter months.
Thermostat Repair
Diagnosis and repair of thermostat malfunctions affecting temperature control throughout the home.
Indoor Air Quality
Services to improve air circulation and reduce contaminants inside the home.