Frequently Asked Questions

No worries — we’re here to help. Give us a call to schedule an emergency no-cool diagnostic visit. Our technicians are working throughout Southwest Florida every day, so we can usually schedule same-day emergency no-cool calls at no extra cost.

If the system is leaking water, shutting on and off, or completely down, let us know when you call so we can prioritize the visit appropriately.

Yes, whenever the schedule allows. Same-day availability depends on technician routes, weather, workload, and the type of issue, but no-cool calls are always a priority in Southwest Florida.

The fastest way to check availability is to call or text us at 239-694-1205. We’ll give you the clearest available options and try to help over the phone (no charge) even before our technician arrives. 

Usually, yes — especially for diagnostics, repairs, estimates, and any visit where we need access to the thermostat, air handler, attic, garage, electrical panel, or indoor equipment.

For some maintenance visits or exterior-only follow-ups, we may be able to work with special access instructions, but we’ll confirm that before the appointment. The most important thing is making sure the technician can safely access the equipment and review findings with you.

We're old school - we call when we're on the way. Our team will call or text when the technician is on the way so you know who to expect and what time their GPS says they'll be at your property.

If anything changes with the schedule, we’ll communicate as quickly as possible. Clear communication is part of how we do business.

You’re always welcome to call us to walk you through it, but a few quick checks can help:

• Make sure the thermostat is set to cool and below the current room temperature.
• Check whether the thermostat has fresh batteries, if it uses batteries.
• Confirm the breaker is on and has not tripped.
• Check that the filter is not completely clogged.
• Look for water around the air handler or a tripped float switch.

For your safety, and to comply with OEM warranties, do not open your AC equipment or remove any panels!

If you’re not sure, don’t stress. Give us a call and we’ll help you decide whether it needs a service visit.

A no-cool call can come from several different issues, but some of the most common are a clogged condensate drain tripping the float switch, restricted airflow from a dirty filter, electrical failures like a weak capacitor, thermostat/control issues, or a larger performance problem that needs diagnosis. That is why we start by confirming system operation and basic performance before jumping to conclusions.

At least once a year is the baseline, but in Southwest Florida, many systems benefit from more frequent maintenance because of humidity, long run times, drain line issues, and corrosion-related wear. Maintenance is not just cleaning — it is system verification designed to catch developing issues early.

A Siggs maintenance starts with the system running and stabilized, then checks temperature performance, static pressure, electrical and motor health, drain and moisture control, and cleaning/treatment steps. Invasive procedures like hooking up gauges for refrigeration pressures are conditional, not automatic.

Because gauges are not always needed. If performance is reported as normal, temperature differential is ideal, and static pressure is acceptable, gauges are not required. Siggs starts with the least invasive readings first and only connects gauges when the system gives a reason. Unnecessary hookups cause refrigerant loss, which over time, causes major costly issues.

Yes. Maintenance helps reduce emergency breakdowns, protect warranty eligibility, create better documentation, and catch wear before it turns into a no-cool call. It is one of the best ways to keep small issues from becoming expensive ones.

Yes. A heavily restricted filter can reduce airflow, raise static, hurt comfort, contribute to freezing, and make the system work harder than it should. Regular filter changes are a simple and cost effective ways to prevent issues, but can lead to major repairs if ignored.

Because higher MERV increases pressure drop. If the system and ductwork are not designed for it, that can reduce airflow, raise static pressure, shorten blower life, and even contribute to frozen coils or leaking AHU cabinets. The filter needs to match the system’s airflow capability.

Because bedroom returns and whole-house filtration solve two different problems. Bedroom returns are about airflow and pressure balancing when doors are closed. A central filter is about filtration strategy. One does not replace the other.

High static pressure reduces airflow, increases amp draw, shortens equipment life, and causes comfort problems. That is why Siggs checks static pressure during maintenance and startup instead of guessing based on appearance alone.

That can come from airflow imbalance, return pathway issues, duct layout, restricted filters, dirty coils, or a system that is not matched well to the home. Comfort problems are not always about refrigerant or thermostat settings — sometimes they are airflow problems first.

Because even inverter systems still have minimum capacity, airflow limits, and humidity-control constraints. Oversizing can still cause short cycling, poor dehumidification, and comfort problems. Siggs’ standard is to size to the actual load, not “future proof” by oversizing.

Nitrogen helps keep the inside of the copper clean during brazing. Without it, oxide scale forms inside the tubing, which can contaminate the refrigeration circuit and contribute to warranty callbacks.

Because evacuation and decay testing help confirm the system is dry and leak-free before startup. Skipping those steps can lead to repeat failures, moisture-related issues, damage to sensitive components, and callbacks.

They can be, when used for the right reason. The key is matching the recommendation to the home, not pushing every add-on to every customer. We don't believe in blanket solutions, rather we take the time to understand your unique property and create a best-fit solution for you. 

Our standard is closer to duct sanitizing than aggressive brush-style duct cleaning in most homes, because many Southwest Florida homes use flex duct and aggressive brushing can damage the inner liner. For odor or contamination concerns, sanitizing can be the better approach, especially after the underlying issue is addressed first. If your duct is old enough to need cleaning, it's likely fragile and likely to be damaged by mechanical cleaning (unless it's metal, common in commercial applications or Northern homes with combustion furnaces). 

No. Siggs services and repairs many types of residential HVAC systems, whether or not Siggs originally installed them. Plus, the equipment warranty from the OEM stays with the units, not with the installer!

Yes. If the system is operating normally, one of our favorite things to tell our customers is everything is good, instead of forcing an unnecessary sale. That matches Siggs AC's communication standards and no-pressure philosophy.

Yes. Siggs can help review equipment information and support warranty-related repair work when applicable. Warranty coverage depends on the equipment, registration status, dates, and terms. We will handle all of that with the manufacturer. 

Yes. Our maintenance and service standard operating procedures repeatedly point toward documenting system condition clearly, explaining options, and using non-alarmist notes rather than scare tactics. We only recommend what you need, without extras you don't. 

Siggs is local, family-owned, third generation, commission-free, and focused on clear communication, practical recommendations, and quality workmanship rather than high-pressure sales.