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.
We Arrive in 90 Minutes — or We Pay You $200
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.
What It Costs to Fix Your AC in Casselberry
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 & 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.
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.
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.
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.
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.
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.
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.
Everything We Fix in Casselberry — Fast, Done Right
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.
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 →
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 →
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 →
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 →
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 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 →What Does AC Repair Cost in Casselberry?
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.
We're in Your Casselberry Neighborhood
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.
Stop Waiting. Start Calling.
Get the fastest, most reliable HVAC service in Casselberry. 90 minutes or $200 off. That's our guarantee to you.
Call (407) 465-7777 NowAlso Serving Nearby Communities
Smart Home Air & Heat serves 16+ neighborhoods across Central Florida with the same 90-min guarantee.
Casselberry Zip Codes We Serve
Smart Home Air & Heat provides AC repair, installation & HVAC maintenance to all Casselberry zip codes including Casselberry, Fern Park, South Seminole.
Not sure if we serve your area? Call (407) 465-7777 — we likely do!