Proudly serving Longwood and surrounding areas

Heating and Air Conditioning Services in Longwood, Florida

Longwood’s mix of 1970s and 1980s homes near the Wekiva River and newer subdivisions along the SR 434 corridor creates a wide range of HVAC needs, from aging systems due for replacement to newer units that need proper calibration. Whether you need a same-day AC repair, a furnace service, a water heater installation, or a full system replacement, our licensed team covers all of Longwood and Seminole County.

1,300+Jobs Done
10+Years Local
FreeEstimates

Get a free quote

We’ll call you back within the hour

Licensed and fully insured
Same-day service available
Serving Seminole County
Satisfaction guaranteed

What our Longwood customers are saying

Longwood homeowners trust us for fast, straightforward HVAC service. Read what they have to say, or see our full AC service details.

“We had musty smells coming from every vent in the house. Premier Frost did a full duct cleaning and found that pollen and organic debris from the tree canopy around our property had been pulled in through the return air. They also installed a UV lamp. Air quality improved noticeably within a week.”

Robert L.
Wekiva area
Job completed
A Wekiva-area homeowner reported persistent musty smells from the vents. We performed a full duct cleaning, identifying significant organic debris accumulation from the surrounding tree canopy being drawn into the return air. We also installed a UV germicidal lamp in the air handler. The homeowner reported noticeable air quality improvement within days.

“Our 1978 home’s original air handler finally gave up. We’d been putting off replacing it for two years. Premier Frost came out the same day we called, gave us a clear quote with no pressure, and had the new system running two days later. Wish we’d done it sooner.”

Christine M.
Downtown Longwood
Job completed
A Longwood homeowner with a 1978-era air handler called when the unit finally stopped running. We assessed the system on the same afternoon, confirmed replacement was the right call, and provided a written quote. The new system was installed two days later. The homeowner noted a significant improvement in cooling performance and energy use.

“Had a heat pump installed last spring. The team was professional, on time, and the installation was clean. They walked us through the controls and set up a schedule for us. Running noticeably more efficiently than the old system.”

James and Karen P.
Spring Valley
Job completed
A Spring Valley homeowner booked a heat pump installation to replace an aging split system. We sized the unit for their home’s square footage and insulation level, completed the installation in one day, and configured a thermostat schedule suited to their household’s routine. The couple reported lower monthly energy bills from the first full month of operation.

Complete AC services for Longwood homes

Older Longwood homes near the Wekiva River face high ambient humidity from the surrounding state park ecosystem, which accelerates condensate system issues and biological growth in air handlers. A professional annual AC tune-up keeps those systems ahead of the problems that Longwood’s tree-heavy environment creates.

AC repair in Longwood

Same-day AC diagnosis and repair for all faults. For Longwood’s 1970s and 1980s homes where repair frequency is increasing, we’ll give you an honest assessment of whether a central air replacement is the better investment. View our AC repair service.

AC maintenance

An annual spring tune-up catches developing faults and clears the organic debris that Longwood’s oak and cypress canopy deposits on outdoor condenser coils. Starts from $99. View our AC maintenance service.

Mini split AC

Mini split systems are a popular option in Longwood for workshop conversions, bonus rooms, and detached garages that the main HVAC doesn’t reach. Most installations are completed in a single day. View our ductless AC service.

AC installation

Full system replacement for Longwood homes. We size every installation correctly, taking into account your home’s ceiling height, insulation, and room layout. Free estimates on every job.

Furnace, heat pump, and thermostat services

The Wekiva Springs corridor gives Longwood slightly cooler winter nights than most of Seminole County, making a reliable heating system more than an afterthought. Heat pumps are the most efficient choice for Florida’s climate, and we install and service all major brands across the Longwood area.

Furnace installation and repair in Longwood

Installation and repair for all furnace makes. Many Longwood homes are switching to a heat pump replacement when their furnace reaches end of life, given the efficiency advantages in Florida’s mild winters. We’ll advise on the best option for your setup. View our furnace service.

Heat pump installation and service

Heat pumps handle both cooling and heating efficiently in Longwood’s climate. We install, repair, and service air-source heat pump systems with free estimates on every replacement. View our heat pump service.

Smart thermostat installation

A programmable thermostat cuts energy use by setting back the temperature during work hours and pre-cooling before you return home. We install all major brands and configure your schedule on the same visit. View our thermostat installation service.

Water heater installation and repair in Longwood

Longwood’s Wekiva-area properties often have well water with higher mineral content, which shortens tank water heater lifespans compared to city-supplied water. A tankless unit, which heats water on demand rather than storing it, is less prone to sediment buildup and typically lasts up to twice as long. We install both tank and on-demand water heater systems across Longwood.

Tank water heater services in Longwood

Repair and replacement for traditional tank water heaters. We flush and inspect for sediment buildup on every service call, which is especially important in Wekiva-area properties. View our water heater installation service.

Tankless water heater installation

Tankless units provide hot water on demand without the standby heat loss of a storage tank. If you’re not ready to switch, a traditional tank replacement is equally available with same-day fitting. View our on-demand water heater service.

Air duct cleaning and indoor air quality

Longwood’s proximity to Wekiwa Springs State Park means homes near the river corridor contend with high volumes of organic airborne debris: pollen, spores, and fine particles that settle inside return air ducts and accumulate on evaporator coils over time. Annual duct cleaning is genuinely more important here than in drier, more urban areas of Central Florida.

Air duct cleaning

Professional cleaning of your full duct system removes organic debris, pollen, and accumulated dust. Scheduled alongside your annual AC maintenance, it addresses both the equipment and the air quality in a single visit. View our duct cleaning and inspection service.

Indoor air quality

UV germicidal lamps and whole-home air filtration systems reduce the biological load in your ductwork. An effective long-term solution for Longwood homes surrounded by the natural debris of the Wekiva corridor. View our indoor air quality service.

We service all major HVAC brands in Longwood

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

Carrier Trane Lennox Rheem Goodman Bryant York Daikin Amana Ruud

Call us today for HVAC services in Longwood

Same-day service available across Longwood, the Wekiva area, Spring Valley, and the surrounding Seminole County corridor. Free estimates on all installations and replacements.

Book your HVAC service in Longwood

We’ll confirm your appointment within the hour

Frequently asked questions about HVAC services in Longwood

How quickly can you get to me in Longwood?
For most service calls in Longwood, we aim to arrive the same day. For urgent situations like a complete AC failure in summer, we prioritise the call and typically arrive within two to three hours. Call (689) 326-7373 to confirm availability for your address.
Why do I keep getting musty smells from my vents in Longwood?
Longwood’s proximity to the Wekiva River and Wekiwa Springs State Park means homes in the area pull in high volumes of organic airborne debris through return air vents. This accumulates in ductwork, on evaporator coils, and in drain pans, creating the conditions for biological growth. Annual duct cleaning combined with a UV germicidal lamp in the air handler is the most effective long-term solution.
What HVAC services do you offer in Longwood?
We offer the full range of residential HVAC services in Longwood: 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.
How much does HVAC service cost in Longwood?
Diagnostic visits start from $89. Most repairs fall between $150 and $600 depending on the fault and parts required. We provide a written quote before any work starts, so there are no surprises. Free estimates on all installations and replacements.
Is annual AC maintenance worth it for homes near the Wekiva area?
Yes, particularly for properties close to the Wekiva River corridor. The organic debris from the surrounding environment accumulates on condenser coils and inside ductwork faster than in more urban settings. An annual tune-up clears the coils, checks refrigerant, and inspects the condensate system. Skipping it for even one year noticeably increases the load on the system and accelerates wear.
Searching for HVAC near me in Longwood, Florida?
If you’re searching for AC repair near me, heating and cooling near me, or an HVAC company near me in Longwood, Spring Valley, or the surrounding Seminole County area, Premier Frost is your local licensed and insured team. Call (689) 326-7373 or fill out the form above for a free quote.

About Longwood, Florida

Longwood sits in western Seminole County between Altamonte Springs and Lake Mary, with Wekiwa Springs State Park forming much of its western boundary. The Wekiva River, which originates at the springs and flows north toward the St. Johns, creates an unusually lush natural environment for a suburban Central Florida city. That proximity to the springs and river system is what most distinguishes Longwood from its Seminole County neighbours: the air carries more organic matter, the ambient humidity near the river corridor is higher, and the pollen season lasts longer because the surrounding vegetation is more diverse and dense than in more developed parts of the county.

The residential character of Longwood is a mix of older neighbourhoods like Spring Valley and the areas around East Longwood from the 1970s and 1980s, and newer developments built since the 1990s along SR 434 and the I-4 frontage. Homes in the Wekiva-adjacent areas tend to have more demanding HVAC maintenance requirements because of the organic debris pulled through return air vents from the surrounding tree canopy. Even for homes further from the river, Longwood’s summer heat and Florida’s baseline humidity mean an HVAC system working without annual maintenance will show wear faster than in a drier climate.

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

Other areas we serve: Sanford | Altamonte Springs | Lake Mary | DeBary | Orange City