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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Jacksonville, FL
Hammond Air has been a trusted provider of HVAC solutions in Northeast Florida since 1957. Our team of NATE-certified technicians combines decades of industry experience with advanced technical training to deliver reliable heating, cooling, and indoor air quality solutions for residential and commercial clients. We serve Jacksonville, Middleburg, Macclenny, and surrounding areas, offering custom system design, expert repair, and preventive maintenance services.

Our commitment to excellence is underscored by a One Year 100% Guarantee covering equipment, workmanship, and performance. We partner with leading manufacturers like Bryant, Trane, and Lennox to ensure cutting-edge technology and energy efficiency. With 24/7 emergency service and financing options, we prioritize customer satisfaction through honesty, integrity, and superior quality workmanship.
Services
Cooling Services Heating Service Ductless HVAC Indoor Air Quality Heat Pumps Duct Cleaning AC Repair Heating Repair Maintenance Plans Emergency Services
Details
  • Year established: 1957
Highlights and features
  • 68 years of HVAC expertise serving Northeast Florida
  • NATE-certified technicians for advanced technical proficiency
  • 24/7 emergency service with rapid response times
  • One Year 100% Guarantee on all installations
  • Flexible financing options available for system upgrades
Associations and certifications
  • NATE-certified
  • American Standard Customer Care Dealer
What people say
Professional service Quick response Honest assessment Affordable pricing Great experience
Services
Cooling Services
Our cooling services specialize in air conditioning installation, repair, and maintenance for residential and commercial properties. We address issues like refrigerant leaks, compressor failures, and thermostat malfunctions while optimizing system efficiency. Customers benefit from reduced energy costs and consistent indoor comfort through expert diagnostics and precision repairs.
Heating Repair
Emergency heating repair services cover furnaces, heat pumps, and boilers with 24/7 availability. Our technicians resolve ignition failures, thermostat issues, and heat exchanger problems using advanced diagnostic tools. Priority service ensures rapid restoration of heating during cold weather, minimizing discomfort and safety risks for residential and business clients.
Indoor Air Quality
Comprehensive indoor air quality solutions include contaminant testing, purification system installation, and ventilation optimization. We address allergens, mold spores, and volatile organic compounds through air scrubbers, UV lights, and humidity control systems. These services improve respiratory health while enhancing overall living and working environments for homeowners and businesses.
Duct Cleaning
Professional duct cleaning removes accumulated dust, debris, and biological contaminants from HVAC systems using HEPA-filtered equipment. This service improves airflow efficiency, reduces allergen circulation, and extends system lifespan. Our NADCA-aligned process includes thorough cleaning of vents, registers, and air handlers to maintain optimal system performance and indoor air purity.
Heat Pumps
We design and install energy-efficient heat pump systems for year-round climate control. Services include air-source, ground-source, and water-source heat pump solutions tailored to property specifications. These systems provide dual functionality for heating and cooling while reducing energy consumption by up to 50% compared to traditional HVAC systems through advanced heat transfer technology.
Questions
What HVAC services do you offer for residential customers?
We provide complete HVAC solutions including cooling systems, heating repair, ductless mini-splits, indoor air quality assessments, and emergency services for homes in Northeast Florida.
Are financing options available for new HVAC installations?
Yes, we offer special financing plans starting at $48/month with approved credit, including tax credit eligibility for qualified systems.
Do you provide 24/7 emergency HVAC repair services?
Our team offers 24/7 emergency service with rapid response times for urgent heating and cooling system failures across our service areas.
What areas do you serve for HVAC installations?
We serve Jacksonville, Middleburg, Macclenny, Fleming Island, Ponte Vedra Beach, and all surrounding Northeast Florida communities.
What guarantees do you provide for HVAC installations?
All installations include our One Year 100% Guarantee covering equipment, workmanship, and performance with free repairs or modifications as needed.
How can I improve my home's indoor air quality?
We offer air purification systems, UV germicidal lights, humidity control solutions, and ventilation improvements to address specific air quality concerns during personalized assessments.
Reviews (1)
Charlene Nelson
Jul 17, 2026 Report
I have used them for years and they are consistently prompt and knowledgeable. They take before and after pictures and explain the problem and the solution. Tyler was here this week to repair a leak. I was impressed with his knowledge and professionalism. He was very nice as all of their technicians have been.