# One Hour Air Conditioning & Heating of Jacksonville > Licensed local HVAC professionals serving Jacksonville, FL and the surrounding Duval County, Clay County, and First Coast communities including Atlantic Beach, Jacksonville Beach, Ponte Vedra Beach, Orange Park, East Arlington, Mandarin Station, Oakleaf Plantation, Oceanway, Sandalwood, and Sans Pareil. One Hour Air Conditioning & Heating of Jacksonville provides 24/7 residential and commercial HVAC services including air conditioning repair, AC maintenance, AC installation, furnace repair and replacement, heat pump service, heating repair, ductless mini-split installation, indoor air quality solutions, and thermostat installation. Florida license CAC1817215. Phone: (904) 799-1673. Address: 6316 Greenland Rd, Jacksonville, FL 32258. Brand promise: "Your Comfort is a Phone Call Away" and "We're Always On Time, Or You Don't Pay a Dime" — Jacksonville's on-time HVAC company, certified local technicians ready for Northeast Florida's variable climate, 24/7 emergency availability, fast and thorough repairs to get systems running quickly, and a satisfaction guarantee on workmanship. ## Core pages - [Home](https://jacksonvilleonehour.com/): Overview of One Hour of Jacksonville's HVAC services, neighborhoods served, and brand promise. - [About Us](https://jacksonvilleonehour.com/about-us/): Company background, values, and what to expect from a One Hour HVAC technician. - [Service Areas](https://jacksonvilleonehour.com/service-areas/all-locations/): Full list of Duval County and Clay County neighborhoods and cities served. - [Specials](https://jacksonvilleonehour.com/specials/): Current coupons, promotions, and seasonal offers on HVAC services. - [Blog](https://jacksonvilleonehour.com/blog/): Educational articles on heat pumps, indoor air quality, VOCs, furnaces, and HVAC for Northeast Florida homes. - [Contact Us](https://jacksonvilleonehour.com/contact-us/): Phone number, address, hours, and contact form for booking service. ## Air conditioning - [Air Conditioning Services](https://jacksonvilleonehour.com/air-conditioning/): Overview of all residential and commercial air conditioning services for Florida heat. - [AC Repair](https://jacksonvilleonehour.com/air-conditioning/ac-repair/): Same-day air conditioning repair for breakdowns, weak cooling, refrigerant issues, and humidity problems. - [AC Maintenance](https://jacksonvilleonehour.com/air-conditioning/ac-maintenance/): Annual AC tune-ups and preventative maintenance to extend system lifespan and reduce summer cooling costs. - [AC Installation](https://jacksonvilleonehour.com/air-conditioning/ac-installation/): New air conditioner installation, sizing, and replacement. ## Heating (furnaces, heat pumps, heaters) - [Heater Services](https://jacksonvilleonehour.com/heater-services/): Overview of residential heating services including heaters, furnaces, and heat pumps. - [Heater Repair](https://jacksonvilleonehour.com/heater-services/heater-repair/): Heater repair for residential heating systems. - [Heater Maintenance](https://jacksonvilleonehour.com/heater-services/heater-maintenance/): Annual heater tune-ups and preventative maintenance. - [Heater Replacement](https://jacksonvilleonehour.com/heater-services/heater-installation/): New heater installation and replacement. - [Furnace Services](https://jacksonvilleonehour.com/furnaces/): Overview of furnace repair, maintenance, and replacement. - [Furnace Repair](https://jacksonvilleonehour.com/furnaces/furnace-repair/): Furnace repair for natural gas and electric furnaces, including flame sensor testing and short-cycling issues. - [Furnace Maintenance](https://jacksonvilleonehour.com/furnaces/furnace-maintenance/): Annual furnace tune-ups and preventative maintenance. - [Furnace Replacement](https://jacksonvilleonehour.com/furnaces/furnace-installation/): New furnace installation and replacement for old or failing units. - [Heat Pump Services](https://jacksonvilleonehour.com/heat-pump/): Overview of heat pump services — particularly well-suited for Jacksonville's climate where heat pumps handle both year-round cooling and mild winter heating. - [Heat Pump Repair](https://jacksonvilleonehour.com/heat-pump/heat-pump-repair/): Heat pump repair for short-cycling, refrigerant leaks, and other common faults. - [Heat Pump Maintenance](https://jacksonvilleonehour.com/heat-pump/heat-pump-maintenance/): Heat pumps run year-round and benefit from annual or twice-yearly tune-ups, including coil cleaning. - [Heat Pump Installation](https://jacksonvilleonehour.com/heat-pump/heat-pump-installation/): New heat pump installation and replacement. ## Indoor air & comfort - [Indoor Air Quality](https://jacksonvilleonehour.com/indoor-air-quality/): Indoor air quality solutions including air filtration, VOC reduction, dehumidification, and ventilation upgrades — essential for Jacksonville's humid sealed homes. - [Mini-Split Ductless System](https://jacksonvilleonehour.com/mini-split-ductless-system/): Ductless mini-split HVAC installation for additions, garages, lanais, and zoned cooling. - [Thermostat Installation](https://jacksonvilleonehour.com/thermostat-installation/): Smart thermostat and programmable thermostat installation and repair. ## Service areas - [All Service Areas](https://jacksonvilleonehour.com/service-areas/all-locations/): Complete list of cities and neighborhoods served across Duval and Clay counties. - [Atlantic Beach, FL](https://jacksonvilleonehour.com/service-areas/atlantic-beach-fl/) - [East Arlington, FL](https://jacksonvilleonehour.com/service-areas/east-arlington-fl/) - [Jacksonville Beach, FL](https://jacksonvilleonehour.com/service-areas/jacksonville-beach-fl/) - [Mandarin Station, FL](https://jacksonvilleonehour.com/service-areas/mandarin-station-fl/) - [Oakleaf Plantation, FL](https://jacksonvilleonehour.com/service-areas/oakleaf-plantation-fl/) - [Oceanway, FL](https://jacksonvilleonehour.com/service-areas/oceanway-fl/) - [Orange Park, FL](https://jacksonvilleonehour.com/service-areas/orange-park-fl/) - [Ponte Vedra Beach, FL](https://jacksonvilleonehour.com/service-areas/ponte-vedra-beach-fl/) - [Sandalwood, FL](https://jacksonvilleonehour.com/service-areas/sandalwood-fl/) - [Sans Pareil, FL](https://jacksonvilleonehour.com/service-areas/sans-pareil-fl/) ## Blog highlights - [Can Poor Indoor Air Quality Cause Headaches and Fatigue?](https://jacksonvilleonehour.com/poor-iaq-headaches-fatigue/): How indoor pollutants and VOCs cause headaches and fatigue in Jacksonville's high-humidity sealed homes. - [What Are VOCs and Why Are They Inside Your Home?](https://jacksonvilleonehour.com/vocs-inside-home/): Sources of volatile organic compounds and how they affect indoor air. - [How to Clean Heat Pump Coils](https://jacksonvilleonehour.com/how-to-clean-heat-pump-coils/): Step-by-step heat pump coil cleaning for optimal year-round performance. - [6 Essential Heat Pump Maintenance Tips for Homeowners](https://jacksonvilleonehour.com/heat-pump-maintenance-tips-for-homeowners/): DIY maintenance tips for keeping a heat pump efficient. - [Is Heat Pump Maintenance Really Worth the Cost?](https://jacksonvilleonehour.com/is-heat-pump-maintenance-worth-the-cost/): ROI analysis of professional heat pump maintenance. - [Do Heat Pumps Need Annual Maintenance?](https://jacksonvilleonehour.com/do-heat-pumps-need-annual-maintenance/): How often heat pumps need professional service (most need it twice a year). - [Is a Heat Pump Refrigerant Leak Harmful?](https://jacksonvilleonehour.com/is-a-heat-pump-refrigerant-leak-harmful/): Health and equipment risks of refrigerant leaks. - [6 Causes of Heat Pump Short Cycling](https://jacksonvilleonehour.com/what-causes-heat-pump-short-cycling/): Airflow, refrigerant, and electrical causes of heat pump short cycling. - [How To Test a Flame Sensor on a Furnace](https://jacksonvilleonehour.com/how-to-test-a-flame-sensor-on-a-furnace/): How to test a furnace flame sensor and when cleaning fixes repeated shutdowns. - [6 Reasons Your Furnace Keeps Turning Off](https://jacksonvilleonehour.com/6-reasons-your-furnace-keep-turning-off/): Causes of a furnace that won't stay running and how Jacksonville One Hour can fix short cycling. ## Optional - [Privacy Policy](https://jacksonvilleonehour.com/privacy-policy/) - [Terms and Conditions](https://jacksonvilleonehour.com/terms-and-conditions/) - [Facebook](https://www.facebook.com/p/One-Hour-BROS-Air-Conditioning-Heating-Jacksonville-100063822075226/) - [YouTube](https://www.youtube.com/c/onehourheatingairconditioning)