Repair-First HVAC in the Seminole County Seat
HVAC & Refrigeration Services in Sanford, FL
If RMI cannot fix it, no one can.
Roberts Mechanical has served Sanford from our shop on University Boulevard in east Orlando since 2006. We are a repair-first HVAC company: we diagnose the actual fault, tell you what it costs to fix, and recommend replacement only when the numbers genuinely call for it. Much of our work is on systems another company already said were finished.
- Repair-first diagnostics, not sales quotas
- Second opinions on replacement quotes
- 24/7 emergency service
- Residential, commercial and refrigeration
- Licensed and insured since 2006
Contact Us
Schedule AC Tune-Up & Replacement Quote
HVAC Work in Sanford: What the Housing Stock Tells Us
Sanford has the widest spread of housing ages of any city we serve. 5.5 percent of homes predate 1940, the highest pre-war share in the area, while 24.6 percent went up in the 2000s and another 17 percent since 2010. The median is 1994, but that median hides two almost separate markets.
The city itself documents the older half plainly. Its federal housing reports state that Goldsboro and Georgetown “have significantly aged housing stock and considerable infrastructure needs,” and that rehabilitation in the city often exceeds what minor repair programs can cover.
We work throughout Sanford, including Goldsboro, Georgetown, Academy Manor, Pinehurst, Dreamworld, San Lanta and Country Club.
Schedule a Second-Opinion Service Call
Permits for HVAC Work in Sanford
Replacing or modifying air conditioning equipment requires a mechanical permit. In Sanford that goes through the City of Sanford Building Division, filed through the Citizenserve online portal, which no longer accepts paper plans. We pull it as part of the job. A contractor who offers to skip the permit is telling you something about how they work.

What We See Most Often on Sanford Systems
Pre-war houses with retrofitted systems
At 5.5 percent, Sanford has the highest share of pre-1940 housing in the area. Those homes had no duct system originally, and whatever is there now was fitted decades later around the structure rather than designed into it.
Certificate of Appropriateness constraints on placement
In the historic districts, exterior work requires city approval. Where the condenser can sit and how it is screened is a real design question here, and it should be settled during the estimate.
Builder-install faults in the new subdivisions
Sanford has several hundred units under construction or approved. In a market building this fast, the calls from new homes are about installation quality rather than wear: a crushed duct, an uncorrected charge, a room that never cooled.
Aged systems in Goldsboro and Georgetown
The city’s own housing reports describe these neighborhoods as having significantly aged housing stock. Equipment there is frequently well past its design life, and the honest repair-against-replacement numbers matter more than anywhere else in the city.
Two Historic Districts, and a Certificate of Appropriateness
Sanford has two National Register historic districts plus a third local district added in 2020. The Commercial Historic District holds 26 contributing buildings dating from 1877 to 1924. The Old Sanford Residential Historic District covers 434 buildings in Craftsman, Prairie, Queen Anne, Folk Victorian, Colonial Revival, Spanish Eclectic and Mission styles.
If your property is a Historic Landmark or sits in the Downtown Commercial or Residential Historic District, the city requires a Certificate of Appropriateness for exterior work, including repairs, new construction and site work, filed through its Citizenserve portal. That is a real constraint on where a condenser can sit and how it can be screened, and it is the kind of thing a contractor should raise before the equipment arrives on a truck, not after.
At the same time, Sanford is building hard. Tuscany Village at 420 units, Concorde Phases II and III at 421, Kings Crossing at 256, plus several hundred more approved or proposed. New construction and 1890s housing, in the same city, sometimes within a few blocks.
Commercial HVAC and Refrigeration in Sanford
Sanford’s downtown restaurant and brewery district, the Orlando Sanford International Airport corridor and the surrounding commercial base all carry refrigeration and rooftop work. We service walk-ins, reach-ins and ice machines through this area.
Roberts Mechanical handles commercial HVAC and refrigeration alongside residential work, including rooftop units, walk-in coolers and freezers, ice machines, DOAS equipment, cooling towers and chillers. The same repair-first approach applies: we evaluate what a system has left before anyone signs off on a capital expense.

What We Do in Sanford
- AC repair and diagnostics
- AC installation and replacement
- Maintenance and tune-ups
- Second opinions on replacement quotes
- 24/7 emergency service
- New construction HVAC
- Commercial HVAC
- Commercial refrigeration
- Walk-in coolers and freezers
- Commercial ice machines
- DOAS units and ventilation
- Cooling towers and chillers
- Custom design and engineering
Common Questions From Sanford Customers
My house is in the Old Sanford Residential Historic District. What changes?
Exterior work on a landmark or a property in the historic districts requires a Certificate of Appropriateness from the city, filed through Citizenserve. That can affect condenser placement and screening, and it is worth settling before the work is scheduled.
Can an old Sanford house be made comfortable without gutting it?
Usually yes. The answer depends on whether there is a duct path that works. In houses of this era a ductless or mini-split approach frequently beats forcing a conventional system into a structure that cannot take one.
Does Sanford still accept paper permit plans?
No. The city moved building permitting fully to Citizenserve and requires digital submissions with digital signatures. We file electronically.
Can I put a condenser anywhere on my historic-district property?
Not necessarily. Exterior work on a landmark or in the Downtown Commercial or Residential Historic District requires a Certificate of Appropriateness. We plan placement and screening with that in mind.
Do you service the downtown restaurants and breweries?
Yes. Walk-in coolers and freezers, reach-ins, ice machines and prep equipment, plus the rooftop units above them.
How fast can you get here?
We run 24/7 emergency service. Call 407-405-2658 and we will tell you honestly when we can be there rather than quoting you a window we cannot hold.