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Claim This BusinessHammond Heating & Air Conditioning has kept Northeast Florida comfortable since 1957, making it one of the longest-operating HVAC contractors in the region. Based at 2497 County Rd 220 in Middleburg, the company holds a 4.9-star rating across 222 Google reviews and maintains 24-hour availability every day of the week. The contractor serves Middleburg, Jacksonville, and Macclenny, handling everything from emergency AC repairs to new construction installations. The business operates under Hammond Heating and Air Conditioning, a family-rooted company that has expanded from its Middleburg headquarters to become a regional provider.
What distinguishes Hammond is its breadth of capabilities paired with manufacturer partnerships that many competitors cannot match. The company is an authorized dealer for Bryant, Trane, Ruud, Lennox, Goodman, and other major brands, offering customers genuine equipment options rather than limited inventory. Their sheet metal fabrication shop handles custom ductwork in-house, and they provide geothermal installations and advanced indoor air quality solutions including UV lights, air scrubbers, and whole-duct biocide treatments. The business also offers a Preferred Customer Program with scheduled maintenance, financing up to 84 months, and current promotions including a $200 discount on new system installations and tax credits up to $2,000 on qualified equipment.
Reviewers consistently highlight specific technicians who resolved difficult situations. When Nicole's AC froze during a heat wave, Jim arrived on time, thoroughly inspected the system, and provided honest guidance without pressuring upsells. Megan's review names Clayton for a transparent estimate experience and praises technicians Dave and Ron for answering questions patiently while delivering realistic pricing. Emily's review describes technician Clayton balancing airflow across her home and explaining maintenance steps to reduce her electric bill. These named interactions reflect a service model built on individual technician expertise rather than scripted pitches.
Among the 222 reviews, positive feedback frequently names specific technicians (Jim, Clayton, Dave, Ron) and praises transparent diagnostics and realistic pricing. The sole 1-star review from Matt Williams describes inconsistent diagnoses between two visits and a quote that increased significantly, which some other reviewers counter by noting the company's honesty and lack of sales pressure. Overall, reviewer sentiment leans heavily toward trustworthy service and skilled technicians.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnose and repair cooling system failures, perform seasonal tune-ups, and address drainage issues. Services include coil cleaning, refrigerant handling, and airflow balancing.
Fix furnace and heat pump systems, install new heating equipment, and provide maintenance. The company handles both traditional and geothermal heating solutions.
Clean, seal, repair, and fabricate duct systems in-house. Custom sheet metal fabrication available for new construction and retrofit projects.
Install UV lights, air scrubbers, advanced filtration, humidifiers, and dehumidifiers. Full duct cleaning with biocide treatment available.
Install and service heat pump systems including geothermal units. Partner with leading manufacturers for efficient heating and cooling options.
Install and configure smart thermostats for remote system control and energy management. Compatible with major home automation platforms.
Provide heating and cooling services for commercial properties including custom system design, installation, and ongoing maintenance contracts.