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Watch: Float Switch Installation

Filmed on site by the Home Therapist field team in Tampa Bay, Florida. Reviewed by Richard Morales, Co-Owner and Florida Class B Air Conditioning Contractor, license CAC1819196 (plumbing CFC1431159).

Transcript

all right today we're in this very hot sandp attic this one's got a pretty big hole here that's taking in air from the hot attic so we're going to have to cover that up we're going to be installing some float switches on the units none of them have any and if at any point that drain line gets clocked for any reasons it's going to float the entire building so how a float switch works is that it's got to float and once once the water rises due to the clog it's going to interrupt the electricity to the unit so it's going to turn their system off and that way it's not going to be creating any more condensation float switches are very cheap and easy to install so we always recommend that the air handler has at least one of them install especially if they're in the Attic that way we can prevent any water damage on their ceiling uh we're done with this installation it was pretty fast and we're on to the next one

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Home Therapist Cooling, Heating & Plumbing serves Tampa, Brandon, Riverview, Wesley Chapel, Clearwater, St. Petersburg and the greater Tampa Bay area across Hillsborough, Pinellas, and Pasco counties. We are a local, family-owned company, licensed and insured (HVAC CAC1819196, Plumbing CFC1431159), with 1,300+ five-star reviews. Every visit includes a FREE estimate and FREE diagnosis. Call (813) 343-2212.

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Is an AC float switch necessary?

Yes, a float switch is a critical safety device. It detects when your AC drain pan fills with water and shuts the system off before overflow damages ceilings, walls, or flooring. In Tampa Bay's high-humidity climate, condensate lines clog frequently, making a properly installed float switch one of the most important protections on any system.

How much does it cost to replace a float switch?

Float switch replacement cost depends on the switch type, location of your air handler, and whether the drain line needs clearing at the same time. Home Therapist provides a FREE diagnosis on every visit so you know the exact cost before any work begins. Call (813) 343-2212 to schedule.

How much is a float switch for an AC unit?

The float switch part itself is inexpensive, typically a low-cost component, but total job cost includes labor, any required drain line flush, and testing the safety shutoff. Because installation location and system access vary, Home Therapist offers FREE estimates so you get an accurate, no-surprise price upfront.

What is the most expensive part to replace on an AC unit?

The compressor is typically the most expensive AC component to replace, often running into the thousands of dollars depending on system size and refrigerant type. When compressor replacement cost approaches the price of a new system, Home Therapist technicians will walk you through both options so you can make the most informed decision.