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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Jacksonville, FL
Established in 1957, Hammond Air has served Northeast Florida as a trusted provider of HVAC solutions. Our NATE-certified technicians combine over six decades of collective experience with advanced training to deliver custom heating, cooling, and indoor air quality systems. We specialize in precision installations for brands like Bryant, Trane, and Lennox, supported by 24/7 emergency repair services and a comprehensive one-year guarantee covering equipment, workmanship, and performance.

Our commitment to exceeding industry standards through rigorous maintenance protocols and innovative solutions has earned us a 4.9-star Google rating from satisfied residential and commercial clients across Jacksonville and surrounding areas.
Services
Heating Services Cooling Services Ductless HVAC Indoor Air Quality Heat Pump Installation AC Repair Heating Repair Duct Cleaning Maintenance Plans Custom HVAC Design
Details
  • Year established: 1957
Highlights and features
  • 68+ years of localized HVAC expertise in Northeast Florida
  • NATE-certified technicians with advanced diagnostic capabilities
  • 24/7 emergency service with rapid response times
  • One-year 100% satisfaction guarantee on all installations
  • Custom financing options for system upgrades and replacements
Associations and certifications
  • NATE (North American Technician Excellence)
What people say
Very professional Super nice and professional Realistic and affordable pricing Great experience Prompt service
Services
HVAC Installation
Our custom HVAC installations combine precise load calculations with premium equipment from Bryant, Trane, and Lennox. Technicians assess insulation, square footage, and occupancy patterns to design systems that maximize energy efficiency and comfort. The process includes equipment selection, permit acquisition, and minimally disruptive installation backed by a one-year performance guarantee.
AC Repair
Emergency AC repair services address refrigerant leaks, compressor failures, and thermostat malfunctions using state-of-the-art diagnostic tools. Our 24/7 response team resolves issues with all system types, including ductless mini-splits, while explaining root causes and preventive maintenance strategies to minimize future breakdowns.
Duct Cleaning
HEPA-filtered truck-mounted systems remove up to 40 pounds of annual dust accumulation from residential ductwork. The multi-step process includes inspection, mechanical brushing, antimicrobial treatment, and final verification to improve airflow efficiency by 25-40% while reducing allergen circulation in living spaces.
Heat Pump Services
We install and service air-source, ground-source, and water-source heat pumps with efficiency ratings up to 300%. Our technicians optimize system performance through refrigerant charge verification, defrost cycle calibration, and integration with smart thermostats for year-round climate control and energy savings.
Preventive Maintenance
Seasonal maintenance plans include coil cleaning, lubrication of moving parts, electrical connection tightening, and refrigerant level checks. Participants receive priority scheduling and discounted repairs while extending equipment lifespan by an average of 20% through early issue detection.
Questions
What HVAC services qualify for IRA tax credits?
ENERGY STAR-certified heat pumps, furnaces, and air conditioners installed after January 1, 2023 qualify for 30% tax credits up to $2,000 under Section 25C of the Inflation Reduction Act.
Do you offer emergency HVAC services?
Yes, our 24/7 emergency service responds to heating and cooling failures with fully equipped service vehicles and experienced technicians available year-round.
What areas do you service?
We serve Jacksonville, Middleburg, Macclenny, and surrounding Northeast Florida communities including Fleming Island, Ponte Vedra Beach, and Orange Park.
How often should HVAC systems be maintained?
Manufacturers recommend bi-annual maintenance - once before summer for cooling systems and once before winter for heating systems to ensure optimal performance.
What financing options are available?
We offer special financing up to 84 months with approved credit, including low monthly payment plans starting at $48 for qualifying air quality packages.