Proudly serving Casselberry and surrounding areas

Heating and Air Conditioning Services in Casselberry, Florida

Casselberry is one of Seminole County’s older established suburbs, with a large share of homes built in the 1960s and 1970s. That housing stock means a lot of HVAC systems are on their second or third replacement, and the small lakes scattered throughout the city keep indoor humidity elevated year-round. Whether you need an urgent AC repair, a full system replacement, water heater service, or duct cleaning, our licensed team covers all of Casselberry and the surrounding Seminole County area.

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What our Casselberry customers are saying

Casselberry homeowners and landlords trust us for straightforward, same-day HVAC work. Read what they have to say, or read about our AC repair service.

“Our 1967 Lake Concord home had flex ductwork that was half-collapsed in the attic. Half the house wasn’t getting any air at all. Premier Frost replaced the damaged sections, cleaned the full system, and now every room reaches temperature. Should have called years ago.”

Sandra H.
Lake Concord
Job completed
A Lake Concord homeowner in a 1967-era property reported that several rooms were barely receiving any conditioned air. We inspected the attic ductwork and found multiple sections of original flex duct that had collapsed or disconnected. We replaced the failed sections, rebalanced airflow, and completed a full duct cleaning the same visit.

“I own a rental on Semoran and the tenant called about no AC on a Friday afternoon in August. Premier Frost was there within two hours, fixed a blown capacitor, and I had a paid invoice before 6pm. That kind of turnaround keeps good tenants. Will use them for all my properties.”

Marcus W.
SR 436 corridor
Job completed
A Casselberry landlord called on behalf of a tenant reporting no cooling on a Friday afternoon. We arrived within two hours, identified a failed run capacitor, replaced it on the spot, and had the system cooling again before end of day. The landlord noted the response was fast enough to avoid any tenant escalation over the weekend.

“Our water heater finally gave out after 18 years. Premier Frost replaced it the same day we called and offered us the choice between a tank replacement and going tankless. We went tankless and are very happy with it. Clean install, no mess left behind.”

Rachel and David C.
Casselberry
Job completed
A Casselberry homeowner called when their 18-year-old water heater stopped producing hot water. We assessed the unit, confirmed replacement was necessary, and offered a choice between a like-for-like tank replacement and a tankless upgrade. They chose tankless. The installation was completed the same day with no disruption to the rest of the property.
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Complete AC services for Casselberry homes

Casselberry’s older housing stock and the humidity contribution from Lake Concord and the city’s other small lakes create demanding conditions for AC systems. Many homes here are on their second full system replacement, and a reliable annual AC service is the most cost-effective way to extend the life of whatever is currently running.

AC repair in Casselberry

Fast same-day AC repair for all faults. For Casselberry’s older homes where the same system has been repaired several times, we’ll tell you honestly if a new system installation makes more financial sense than another repair. View our AC repair service.

AC maintenance

Annual AC maintenance catches coil buildup, refrigerant drift, and failing components before they cause a summer breakdown. Starts from $99 and typically pays for itself by extending system life.

Mini split AC

A good fit for Casselberry homes adding a room or converting a garage where running new ductwork is not practical. We complete most mini split installations in a single day. View our mini split AC service.

AC installation

Full system replacement for Casselberry homes. We size correctly for the home’s actual footprint, since undersized and oversized units are equally problematic in Florida’s humidity. Free estimates on every job. View our AC installation service.

Furnace, heat pump, and thermostat services

Casselberry’s mild winters still call for a reliable heating system. Heat pumps are the most efficient option for Central Florida’s climate, providing both cooling and heating year-round from a single unit without the operating cost of a dedicated furnace.

Furnace installation and repair in Casselberry

Full furnace installation and repair for all makes. When it’s time to replace, many Casselberry homeowners consider a heat pump conversion for better year-round efficiency. We’ll walk you through the options. View our furnace service.

Heat pump installation and service

Heat pumps provide efficient cooling and heating in one system, well-suited to Florida’s climate. We install, repair, and service all major air-source heat pump systems across Casselberry and Seminole County. View our heat pump service.

Smart thermostat installation

A smart thermostat reduces energy use by learning your schedule and adjusting automatically. We install Nest, Ecobee, Honeywell, and all major brands with full configuration on the same visit. View our thermostat installation service.

Water heater installation and repair in Casselberry

Many Casselberry homes have water heaters that are as old as the most recent HVAC replacement, which often puts them in the 15-to-20-year range. When a tank starts leaking or recovery slows noticeably, replacement is almost always more cost-effective than repair. We offer both traditional tank replacement and tankless upgrades across Casselberry.

Tank water heater services in Casselberry

Repair and same-day replacement for traditional tank water heaters. We stock common sizes and provide free estimates on every replacement job. View our water heater replacement service.

Tankless water heater installation

Tankless units heat water on demand, last up to 20 years, and eliminate standby heat loss. A popular upgrade for Casselberry homeowners renovating older properties. View our tankless water heater service.

Air duct cleaning and indoor air quality

Casselberry’s 1960s and 1970s homes often have original or early-generation ductwork that has never been professionally cleaned. Collapsed flex duct, disconnected joints, and decades of accumulated debris are common findings in these properties. If airflow is uneven or rooms don’t reach temperature, a duct inspection is the right starting point.

Air duct cleaning

Full duct system cleaning with inspection for collapsed or disconnected sections. We repair damaged ductwork on the same visit where possible. View our duct cleaning service.

Indoor air quality

UV germicidal lamps and HEPA media filters reduce airborne allergens and prevent biological growth in ductwork. An effective upgrade for Casselberry households near Lake Concord where lake-sourced humidity keeps indoor conditions damp. View our indoor air quality service.

We service all major HVAC brands in Casselberry

From Carrier and Trane to Rheem and Goodman, we repair, maintain, and install all major heating and cooling brands across Casselberry and Seminole County.

Carrier Trane Lennox Rheem Goodman Bryant York Daikin Amana Ruud

Call us today for HVAC services in Casselberry

Same-day service available across Casselberry, Lake Concord, the SR 436 corridor, and surrounding Seminole County. Free estimates on all installations and replacements.

Book your HVAC service in Casselberry

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Frequently asked questions about HVAC services in Casselberry

How quickly can you get to me in Casselberry?
For most service calls in Casselberry, we aim to arrive the same day. For urgent AC failures during summer, we prioritise the call and typically arrive within two to three hours. Call (689) 326-7373 to confirm availability for your address.
What HVAC services do you offer in Casselberry?
We offer the full range of residential HVAC services in Casselberry: AC repair, AC maintenance, mini split installation, full system replacement, furnace installation and repair, heat pump installation and service, smart thermostat setup, tank and tankless water heater services, air duct cleaning, and indoor air quality systems.
Do you work with landlords and property managers in Casselberry?
Yes. We regularly work with landlords and property managers across Casselberry for both urgent tenant calls and planned maintenance. We can coordinate directly with your tenant, provide invoicing in your name, and give you an honest condition report on the system at the same time as the service visit.
My ductwork is original to the 1970s. Should I replace it?
Original 1970s flex duct is very likely past the end of its service life. It degrades over time, leading to collapsed sections, disconnected joints, and significant conditioned air loss into unconditioned attic space. A duct inspection will tell you exactly what condition it’s in. In many cases, replacing deteriorated ductwork alongside a new HVAC system delivers much better performance than the unit alone.
How much does HVAC service cost in Casselberry?
Diagnostic visits start from $89. Most repairs fall between $150 and $600 depending on the fault and parts. We provide a written quote before any work starts. Free estimates on all installations and replacements.
Searching for HVAC near me in Casselberry, Florida?
If you’re searching for AC repair near me, heating and cooling near me, or an HVAC company near me in Casselberry or Seminole County, Premier Frost is your local licensed and insured team. Call (689) 326-7373 or fill out the form above for a free quote and same-day availability.

About Casselberry, Florida

Casselberry is a small Seminole County city bordered by Altamonte Springs to the west, Winter Springs to the east, and the SR 436 corridor running through its centre. It developed primarily in the 1960s and 1970s as one of the early residential expansions east of Orlando, and much of that original housing stock remains occupied today. Lake Concord sits near the centre of the city and is one of several small lakes scattered across Casselberry’s compact footprint, providing the recreational character the city is known for and the ambient humidity that makes indoor air management a consistent concern for homeowners.

The older homes along the streets near Lake Concord and throughout central Casselberry frequently have ductwork that dates to the original construction or an early replacement. That ductwork is well past its service life in most cases, and inspections regularly find collapsed sections, disconnected joints, and significant air loss into attic spaces. The SR 436 corridor, with its density of small single-family homes and rental properties, sees a higher-than-average share of deferred HVAC maintenance, particularly in tenant-occupied properties. For landlords in Casselberry, an urgent same-day response when a tenant reports no cooling is often the difference between a resolved issue and a lease dispute.

If you’re looking for a heating and air conditioning company near you in Casselberry, Premier Frost covers all of Casselberry and Seminole County. Call us at (689) 326-7373 for same-day service and free estimates on all installations.

Other areas we serve: Winter Springs | Altamonte Springs | Oviedo | Longwood | Sanford