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A lot of Casselberry is mid-century housing, and in homes of that era the air conditioner was fitted long after the house was built. That shapes most of what goes wrong. AC repair, ductwork, replacement and 24/7 emergency service, licensed since 1976.
Casselberry HVAC
Total Comfort is an HVAC contractor serving Casselberry and Seminole County since 1976 under Florida state license CAC029376. For Seminole County, call 407-805-1279.
Casselberry has the oldest housing stock of the Seminole cities we cover, and mid-century homes carry a specific set of HVAC problems. Central air arrived after most of these houses did, so the ductwork was fitted into an existing structure rather than designed with it. Return air is very often the weak point: a single undersized return that was adequate for the original equipment and is now starving a larger, more powerful air handler.
That matters more than it sounds, because a system that cannot breathe out does not simply underperform. Restricted return airflow drops coil temperature, which can freeze the coil, raise power draw and shorten compressor life. Add the lakes at Howell, Kathryn and Secret Lake, plus heavy tree cover and rainfall, and you get the humidity and airflow complaints that define most Casselberry service calls. The newer developments are the opposite case, with high-capacity equipment that mainly needs correct charge and consistent servicing.
What We Handle In Casselberry
Residential and commercial air conditioning, heating, ductwork and indoor air quality work across Casselberry and Seminole County.
Diagnostics and repair for air conditioners blowing warm, short cycling, freezing up or tripping breakers.
View AC RepairDuct repair, sealing and return air correction. The most common underlying fault in mid-century homes.
View DuctworkLoad-calculated installations that account for what the existing ductwork can actually carry.
View AC InstallationAround the clock response when the air conditioning fails at night, on a weekend or during a heat advisory.
View Emergency ServiceSeasonal tune-ups and maintenance agreements that catch failing parts on older equipment early.
View MaintenanceHeat pump repair, installation and maintenance, the most common system type across Casselberry.
View Heat Pump ServicePurification, filtration, UV coil treatment and dehumidification for humid lakefront and shaded homes.
View Air QualityRooftop units, split systems and service agreements along the US 17-92 and Semoran corridors.
View CommercialWhere We Work
The established neighbourhoods, the lakefront areas and the newer developments, plus the surrounding Seminole County communities.
Deer Run, Sterling Park, Sausalito and Carriage Hill, where retrofit ductwork and undersized returns are common.
Lake Howell, Lake Kathryn, Secret Lake and the Triplet Lake Drive corridor, where humidity control matters most.
Legacy Park, Devon Place, Concord Woods and Camelot, with newer high-capacity equipment on service schedules.
Winter Springs, Longwood, Maitland and Altamonte Springs, all covered on the same routes.
How We Work
No mystery pricing and no work performed before you approve it.
Reach a real person at 407-805-1279, or send the form and we confirm a window. Emergencies are dispatched around the clock.
A licensed technician tests the system properly: pressures, electrical, airflow and drain, so the actual fault gets found.
We show you what failed and what it costs to fix, in writing, before anything is replaced.
Repairs completed on the first visit whenever the part is on the truck. Installations are sized and permitted to code.
The system is tested under load before we leave, and you get the maintenance schedule that keeps it running.
Common Questions
Complete heating and cooling: AC repair, installation and full system replacement, maintenance and tune-ups, heat pump service, duct repair and return air correction, indoor air quality solutions and commercial HVAC, for homes and businesses throughout Casselberry and Seminole County.
Possibly, but airflow is the more likely cause in a Casselberry home, and the two get confused constantly. A coil freezes when it gets too cold, and it gets too cold when not enough warm air is passing over it.
So the first checks should be the filter, whether returns are blocked or rooms closed off, and whether the return is simply undersized for the equipment, which is common where a larger system was fitted to original mid-century ductwork. Low refrigerant can freeze a coil too, but it means there is a leak to find rather than a charge to top up. Anyone who adds refrigerant without identifying why it was low is selling you the same repair again next year.
Yes, same-day response is usually available in Casselberry and the surrounding Seminole County communities. Emergency air conditioning repair is dispatched 24 hours a day, 7 days a week, including nights, weekends and holidays. Call 407-805-1279 and you reach a person rather than a queue.
Yes, and on an older home the ductwork gets assessed alongside the equipment. Sizing comes from a cooling load calculation for the actual building, but a correctly sized system still underperforms if the existing ducts and returns cannot carry the air it moves.
Sometimes the honest recommendation is a modest duct or return modification alongside the new system rather than a higher efficiency rating. We will tell you which will actually change how the house feels. See AC installation.
Twice a year: one visit before cooling season for refrigerant charge, electrical components, coil condition and the condensate drain, and one in the fall for the heat pump before the first cold front. On the older equipment common here, that spring visit is where a failing capacitor or contactor gets caught while it is still a small job. See our AC maintenance and tune-up service.
We have worked in East Central Florida since 1976, under Florida licence CAC029376, and older homes with retrofit ductwork are familiar ground rather than an awkward exception. Our technicians diagnose the actual fault instead of guessing at parts, and give you the price before anything is replaced.
Service Area
Casselberry, Florida
Licensed since 1976 under Florida CAC029376. Residential and commercial AC repair, ductwork, installation and 24/7 emergency service across Casselberry and Seminole County.
From emergency AC repairs and refrigerant leak detection to full HVAC system replacement, ductwork installation, heat pump service, and indoor air quality solutions, our HVAC technicians are ready to respond.
If you are experiencing no cooling, system failure, electrical issues, or AC leaks, call now for priority dispatch at 386-361-5500.
HVAC Services & Solutions
Total Comfort, headquartered in Ormond Beach and proudly serving all of East Central Florida and the surrounding areas, provides residential and commercial HVAC services, indoor air quality solutions, and electrical services. Our team delivers dependable cooling, heating, and energy systems engineered to perform in high humidity, coastal air, and year-round heat.
Air Conditioning Services
Heating and Energy Systems
Ductless and Advanced HVAC Systems
Indoor Air Quality Solutions
Electrical and Home Energy Services
Florida HVAC System Expertise
Homes and businesses in East Central Florida face extreme heat, high humidity, salt air exposure, and seasonal storms, all of which place constant stress on HVAC and electrical systems. Total Comfort designs, installs, and services systems optimized for efficient cooling, moisture control, corrosion resistance, and long-term reliability in coastal Florida conditions.
Our Florida Service Areas
Total Comfort is headquartered in Ormond Beach and serves residential and commercial customers throughout East Central Florida and nearby communities.
Counties We Serve
Cities We Serve
Total Comfort HVAC has proudly served residential
and commercial clients since 1976. Headquartered
in Ormond Beach, our insured technicians provide reliable
heating and cooling services, including
AC repair, installation, maintenance, indoor air quality solutions,
and 24/7 emergency HVAC service throughout East Central Florida.
License # CAC029376
