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★ 5.0-Star Google Rating — Casselberry's Trusted HVAC Company 🏠 Serving Casselberry, Fern Park & 32707 — 90-Min Arrival Guarantee ❄️ AC Repair, Installation & Maintenance — Seminole County Experts Background-Checked Technicians (407) 465-7777 — Same‑Day Service in Casselberry
(407) 465-7777
DISPATCHING TECHNICIANS IN CASSELBERRY NOW

Casselberry’s Fastest AC Repair & HVAC Service

Your 1980s ranch home off Red Bug Lake Road just lost AC in the dead of summer. The flex duct in the attic is 40 years old, humidity from Casselberry’s 24 lakes is relentless, and other companies want you to wait until next week. We’ll be at your door in 90 minutes or you get $200 off. We know these homes inside and out.

(407) 465-7777 Get a Free Quote →
90
MIN
Arrival Guarantee
Or $200 off — every call, every time
24/7 Emergency FL No After‑Hours Fees
★
30+ Years Serving East Orlando
★
5.0★ Google Rating
★
90 Minute Arrival Guarantee
⚡
24/7 Emergency Service
90 MIN
ARRIVAL GUARANTEE

We Arrive in 90 Minutes — or $200 Off Your Repair

This is our promise to every Casselberry homeowner. Print this page or just call — the guarantee applies automatically to every service call, 24 hours a day, 7 days a week, including holidays. No coupon needed.

Valid for all Casselberry & Red Bug Lake Road addresses • FL Lic. • Call (407) 465-7777
Chris Elsis - Owner and Founder of Smart Home Air and Heat, Casselberry HVAC Company
A Message From Your Neighbor
"Casselberry is one of those Seminole County gems that people overlook — 24 lakes, the Greenway Trail, neighborhoods like Deer Run and Queens Mirror South. I’ve been servicing these 1970s and 1980s homes for decades. The humidity from all those lakes makes HVAC work harder here than almost anywhere else in East Orlando, and that’s exactly why Casselberry families trust us to keep them comfortable."
Chris Elsis
Founder, Smart Home Air and Heat
Florida HVAC License · 30+ Years Experience · Central Florida Native
Frequently Asked Questions

What Casselberry Residents Pay for AC Repair

We believe in transparency and education. Here are the most common questions we hear from our Casselberry neighbors.

Emergency AC repair in Casselberry typically costs between $250 and $800 for common issues like capacitor replacement, refrigerant leaks, or fan motor failures. At Smart Home Air and Heat, we provide a transparent quote before any work begins, and our diagnostic fee is waived with any completed repair. We serve all Casselberry zip codes including 32707 and 32730.

Casselberry has 24+ lakes including the Triplet Chain of Lakes and Lake Howell, creating persistently high outdoor humidity. If your 1970s–1980s home has an oversized or aging system, it can’t properly dehumidify. We can add a whole-home dehumidifier or upgrade to a variable-speed unit designed for Casselberry’s extreme moisture levels.

Deer Run homes span 1974 to 1997, and if yours still has the original flex ductwork, it’s likely 30–50 years old and leaking 20–30% of cooled air into your attic. With attic temperatures exceeding 150°F in summer, deteriorated ductwork is your single biggest energy waste. A duct replacement typically pays for itself in 2–3 years.

Absolutely. With 24+ lakes — including Secret Lake, the Triplet Chain of Lakes, and Lake Howell — Casselberry has some of the highest humidity in Seminole County. This forces your AC to work overtime on dehumidification, accelerating wear on compressors and coils. We recommend annual maintenance and whole-home dehumidification for lakeside properties.

We guarantee a technician will arrive at your Casselberry home within 90 minutes of your call, or you receive $200 off your service. We serve every neighborhood from Deer Run to Queens Mirror South to Lake Howell. Available 24/7 including nights, weekends, and holidays.

Yes. We handle space-constrained installations in older Casselberry condos and 55+ communities throughout the city. We work within HOA guidelines and specialize in compact, high-efficiency systems designed for tighter mechanical spaces common in Casselberry’s multi-family buildings.

Most 1970s–1980s Casselberry homes have only R-11 or less attic insulation — far below today’s R-30+ standard. Upgrading insulation is one of the most cost-effective improvements you can make, reducing your AC workload by 15–25% and making your home noticeably more comfortable.

Yes, we offer flexible financing options for new AC installations throughout Casselberry. We work with multiple lenders to provide low monthly payment plans and promotional 0% APR periods. A new system for a typical Casselberry home costs between $5,500 and $15,000+ depending on size and efficiency rating.

Why Casselberry Trusts Us

Casselberry's HVAC Team. Local, Licensed, and Actually Here When You Call.

Our headquarters is right here on Curry Ford Road in the 32825 zip code. When you call us, you're calling a family that lives, works, and raises their kids in Casselberry — not a call center in another state.

Smart Home Air and Heat emergency van arriving in Casselberry within 90 minutes
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The 90‑Minute Guarantee

No other Casselberry HVAC company makes this promise. If our technician isn't at your door within 90 minutes of your call, we take $200 off your service. Period. No fine print. No excuses.

$200
Off if we're late.
Smart Home Air and Heat HVAC service team HVAC technician serving Casselberry
🔬

1970s–1980s Ductwork Experts

Casselberry’s median home was built in 1983, and most original flex duct is 40+ years old — deteriorating in 150°F attics and leaking 20–30% of your cooled air. We specialize in diagnosing and replacing exactly these systems.

Smart Home Air and Heat family-owned crew serving Casselberry neighbors
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Truly Local & Family-Owned

Owner Chris Elsis Jr. is a Central Florida native. We’re not a franchise — we know Secret Lake Park, the Casselberry Greenway Trail, and every neighborhood from Deer Run to Queens Mirror South.

Smart Home Air and Heat technician presenting a written quote to a Casselberry homeowner
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Transparent, Honest Pricing

You’ll get a full, written quote before we start any work. No surprise charges. No upselling. Our diagnostic fee is waived with any completed repair.

Smart Home Air and Heat licensed and certified HVAC technician serving Casselberry
🎓

30+ Years of Expertise

We’ve been solving HVAC problems in Seminole County for over 30 years — the same era most Casselberry homes were built. From Deer Run’s varied 1974–1997 homes to the condos near Lake Howell, we’ve seen every system configuration.

Our Casselberry HVAC Services

Casselberry AC & Heating Services — The Full List

From a sudden breakdown to a full system upgrade, we offer every HVAC service your Casselberry home needs — all backed by our 90-minute arrival guarantee.

Smart Home Air and Heat emergency van responding to a 24/7 breakdown call in Casselberry FL
01

24/7 Emergency AC Repair

When your aging Casselberry system gives out at 2 AM, we answer the phone and dispatch immediately. Available 24/7, 365 days a year for all Casselberry zip codes including 32707 and 32730. Deer Run, Lake Howell, Sterling Park — we cover them all.

Learn about AC repair →
Smart Home Air and Heat owner Chris overseeing new AC installation
02

AC Installation & Replacement

Casselberry homes built in the 1970s–1980s are running original 10 SEER systems that waste energy and struggle with humidity from the city’s 24+ lakes. We perform a Manual J load calculation and upgrade you to a modern 16+ SEER system that cuts your bill by 30–50%.

Learn about AC installation →
Smart Home Air and Heat technician performing AC maintenance and tune-up in Casselberry FL
03

AC Maintenance & Tune-Ups

Casselberry’s 24 lakes create persistent high humidity that drives mold growth in aging ductwork. Our comprehensive tune-ups include mold inspections, coil cleaning, refrigerant checks, and duct-sealing verification to keep your system fighting Florida’s worst.

Learn about maintenance →
Smart Home Air and Heat technician repairing a furnace heating system
04

Heating Repair & Installation

When rare cold fronts sweep through Casselberry, your heat pump needs to perform. We repair and install all heating systems for homes throughout Deer Run, Carriage Hill, Royal Oaks, Camelot, and every neighborhood in the city.

Learn about heating →
Chris from Smart Home Air and Heat explaining indoor air quality solutions
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Indoor Air Quality Solutions

With the Triplet Chain of Lakes, Lake Howell, Secret Lake, and 20+ other bodies of water, Casselberry’s outdoor humidity never lets up. We offer whole-home dehumidifiers, UV air purification, and professional duct cleaning to protect your family.

Learn about air quality →
Smart Home Air and Heat smart thermostat installation for energy savings
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Smart Thermostat Installation

Take control of your Casselberry home’s climate and slash your energy bill. We professionally install and configure smart thermostats — and include a free WiFi thermostat with every new system install.

Learn about smart thermostats →
Casselberry HVAC Cost Guide

Casselberry AC Repair Pricing Breakdown

Transparency is one of our core values. Here's a general guide to common HVAC service costs in the Casselberry area. Your actual cost depends on your specific situation — we always provide a written quote before starting work.

Service Typical Cost Range What's Included
AC Diagnostic & Inspection $89 – $150 Applied toward repair
Common AC Repair $250 – $800 Capacitor, contactor, fan motor, refrigerant leak
AC Tune-Up $89 – $175 Full inspection, coil cleaning, filter replacement
New AC System (installed) $5,500 – $15,000+ Includes load calc, permits, warranty. Financing available.
Duct Cleaning $300 – $600 Critical for Casselberry’s lake-humidity mold issues
Smart Thermostat Install $150 – $350 Setup included

* Prices are estimates for the Casselberry area as of 2026. Actual costs depend on system type, home size, and specific conditions. We provide free, no-obligation quotes for all installations.

Casselberry Service Coverage

We Service Casselberry More Than Any Other Company

Our headquarters on Curry Ford Road puts us minutes away from every corner of Casselberry. Here are the communities we serve with our 90-minute arrival guarantee.

Deer Run
32707
Lake Howell Area
32707
Carriage Hill
32707
Queens Mirror South
32707
Sterling Park
32707
Royal Oaks
32707
Camelot
32707
Summerset North
32707
Sausalito Shores
32707
Heftler Homes
32707

Casselberry — The Longer You Wait, the More It Costs.

Get the fastest, most reliable HVAC service in Casselberry. 90 minutes or $200 off. That's our guarantee to you.

Call (407) 465-7777 Now
TAP TO CALL — (407) 465-7777

Casselberry-Adjacent Areas We Also Cover

Smart Home Air and Heat serves 16+ neighborhoods across Central Florida with the same 90-min guarantee.

Alafaya32828 Altamonte Springs32701 Avalon Park32828 Azalea Park32807 Conway32812 East Orlando32820 Goldenrod32733 Lake Nona32827 Maitland32751 Orlando32801 Oviedo32765 Seminole County32703 UCF Area32817 Union Park32817 Waterford Lakes32828 Winter Park32789

We ranked Orlando’s top 7 AC companies using real data — response time, pricing, diagnostics, and customer satisfaction.

See the 2026 Data-Driven Comparison →

Casselberry ZIP Codes in Our Coverage Zone

Smart Home Air and Heat provides AC repair, installation & HVAC maintenance to all Casselberry zip codes including Casselberry, Fern Park, South Seminole.

32707 32730 32708

Not sure if we serve your area? Call (407) 465-7777 — we likely do!

See the data: We ranked Orlando's top 10 HVAC companies for emergency service — read the full 2026 report.

Casselberry Homeowner FAQs — Real Answers

How much does AC repair cost in Casselberry 32707?

AC repair in Casselberry typically costs $150–$650 depending on the issue. Capacitor replacement runs $150–$300, refrigerant recharge $200–$450, and compressor repairs $600–$1,200. We provide upfront pricing before any work starts — no hidden fees, no surprises. Call (407) 465-7777.

What is the fastest AC repair company near Secret Lake Park?

Smart Home Air and Heat guarantees a licensed technician at your door within 90 minutes anywhere near Secret Lake Park and the Casselberry area — or you get $200 off. We’re local, not a call center. Available 24/7 including nights, weekends, and holidays with zero after-hours fees.

Do you service homes near Red Bug Lake Road, Seminole State College, and Winter Park Drive?

Yes. We service every home and business in Casselberry (32707) and surrounding areas including Red Bug Lake Road, Seminole State College, and Winter Park Drive. Our techs know every street in this area. Same-day service, 90-minute arrival guaranteed.

Is it worth repairing my AC or should I replace it?

If your system is under 10 years old, repair usually makes sense. Systems 12–15+ years old in Florida with major failures are usually better replaced — especially since new systems qualify for up to $2,000 in federal tax credits. We give honest assessments and never push replacement if repair will work.