Repair-First HVAC on the Butler Chain
HVAC & Refrigeration Services in Windermere, FL
If RMI cannot fix it, no one can.
Roberts Mechanical has served Windermere 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 Windermere: What the Housing Stock Tells Us
The Town of Windermere is small and unusual. 98.1 percent of housing is single-family detached and 95.6 percent is owner-occupied, both the highest figures of anywhere we serve. The town’s own comprehensive plan describes it as essentially fully developed, with only scattered vacant lots. The median build year is 1989.
Two facts from that comprehensive plan matter more to HVAC work than anything in the census tables. First, apart from Estancia at Windermere and Rosser Reserve, the town is on septic rather than sanitary sewer. Second, most streets in Windermere are unpaved, with roadside ditches and swales.
We work throughout Windermere, including Butler Bay, Sunset Bay, The Manors, Windermere Oaks and Estancia at Windermere.
Schedule a Second-Opinion Service Call
Permits for HVAC Work in Windermere
Replacing or modifying air conditioning equipment requires a mechanical permit. In Windermere that goes through the Town of Windermere building department, whose services are provided under contract by PDCS, filed through the Town of Windermere permitting portal at permitting.pdcsllc.com. 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 Windermere Systems
Condensate with nowhere good to go
Apart from Estancia and Rosser Reserve, the town is on septic. A residential system pulls gallons of water a day out of the air, and we routinely find that water routed to a spot that floods, or to a pump with no safety switch.
Equipment placement on large lots
Long refrigerant line runs, remote condenser locations and lakeside placements are normal here. Line set length affects charge and performance, and it is frequently ignored at changeout.
Access in wet season
Most streets in the town are unpaved with roadside swales. Equipment delivery and crane access take planning, particularly through summer.
Parcel confusion on permits
Around 46,000 people carry a Windermere address but only about 3,200 live in the incorporated town. Everyone else permits through Orange County. Getting that wrong delays the job.
Septic, Sand Roads, and Where the Condensate Goes
A house on septic has nowhere convenient to route condensate, and in a humid climate a residential system pulls gallons of water out of the air every day. Condensate handling in Windermere needs to be designed rather than improvised, and improvised is what we usually find: lines running to a spot that floods, pumps installed without a safety switch, or drains that discharge where they undercut a foundation.
The unpaved streets matter too, in a boring but real way. Equipment delivery, crane access for rooftop or difficult placements, and service trucks in wet season all take longer here, and a contractor who has not worked in the town tends to discover that on the day.
One more thing worth saying plainly: the incorporated town has around 3,186 residents, but ZIP 34786 covers roughly 46,000 people across Lake Butler, Horizon West, Gotha and part of Ocoee. Most Windermere addresses are in unincorporated Orange County, where Orange County’s Division of Building Safety permits the work through Fast Track rather than the town. We check the parcel.
Commercial HVAC and Refrigeration in Windermere
Windermere itself is almost entirely residential. Commercial work in this service area is concentrated in the surrounding unincorporated corridor along CR 535 and Winter Garden Vineland Road.
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 Windermere
- 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 Windermere Customers
My house is on septic. Does that affect my AC?
It affects where the condensate can go, which is a real design question in this climate. Your system removes gallons of water a day and that water has to be routed somewhere that does not flood, back up or undermine the foundation.
I have a Windermere address. Who permits my job?
Depends on the parcel. The incorporated town permits through PDCS; most Windermere-addressed properties are in unincorporated Orange County and permit through Orange County Fast Track. We confirm before filing.
Can you get equipment in on the sand roads?
Yes. It takes longer, particularly in wet season, and we plan for it rather than discovering it on the day.
My condenser is a long way from the air handler. Does that matter?
Yes. Line set length affects refrigerant charge and system performance, and it is routinely ignored at changeout. On large lots here it is one of the first things we check.
Can you service lakefront properties on the Butler Chain?
Yes. Access and equipment placement need more planning on these properties, particularly in wet season, and we account for that before the day rather than on it.
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.