AC Maintenance in Zephyrhills, FL

ENERGY STAR recommends an annual pre-season check-up by a contractor, with the cooling system checked in the spring. Its reason is practical: contractors get busy once summer comes. Local weather records show how early that spring window closes in Zephyrhills.

The hot season starts in April

NOAA's Saint Leo station, a short distance north-west of the city, keeps temperature normals. Its 1991-2020 normals show a normal high of 77.5°F in March and 82.6°F in April. The monthly normal high stays above 80°F through October, when it is 83.4°F. The station averages about 257 days a year at 80°F or warmer.

The rainy season runs from May 25 for the rest of West Central Florida

The National Weather Service puts the rainy season for the rest of West Central Florida at May 25 to October 10. It describes those months as warm and humid, with frequent showers and thunderstorms. NOAA's rain gauge named Zephyrhills 0.9 ENE shows the shift: a normal of 3.22 inches in May, then 8.81 inches in June.

What that means for your calendar

• March is the window for the yearly cooling check-up, before the normal high passes 80°F in April and well before the NWS rainy season for the rest of West Central Florida starts on May 25.
• Fall is the time ENERGY STAR gives for checking the heating side. The Saint Leo normals count about 16 nights a year below 40°F.
• November has a normal of 1.80 inches on the Zephyrhills gauge, if a second visit fits your schedule then.

A visit is only as useful as the list it follows. ENERGY STAR's checklist for a typical check-up of a central air conditioner or heat pump includes these items:

• Electrical connections. Tighten them and measure voltage and current on the motors. ENERGY STAR says faulty connections can make a system unsafe and shorten the life of major components.
• Moving parts. Lubricate them, because parts that lack lubrication cause friction in the motors.
• Coils. Clean the indoor and outdoor coils. Dirty coils reduce the system's ability to cool and make it run longer.
• Refrigerant. Check the level and adjust it if needed. Refrigerant is the circulating fluid put in when the system is installed, and too much or too little makes the system less efficient.
• Blower. Clean and adjust the blower parts so the system moves the right amount of air.
• Controls and drain. Check that the system starts, runs and shuts off properly, and inspect the condensate drain, the line that carries water from the indoor coil.

Why the indoor coil gets attention here

UF/IFAS Extension's guide to home air conditioning says the indoor coil acts as a magnet for dust because it stays wet through the cooling season. It calls dirt on the indoor coil the single most common cause of poor efficiency. The same guide says the outdoor coil should be checked for dirt and cleaned if necessary.

UF/IFAS also says you need a service contractor to check the refrigerant and adjust it, and suggests asking for proof that the contractor is certified to handle refrigerant. Blume has EPA Section 608 certified technicians, the federal refrigerant-handling credential. You get a written, upfront price before any work starts.

The University of Florida GeoPlan Center publishes a housing profile of the city from Census American Community Survey estimates for 2017 to 2021. Of 8,268 housing units, it lists 3,952 single-family homes and 2,938 mobile homes. It counts 4,263 homes lived in by their owners and 2,401 lived in by renters.

Mobile and manufactured homes

The check-up list is the same, but access is planned differently. When you book, say whether the home is a mobile or manufactured home and where the indoor unit sits. UF/IFAS says the inside coil should be reachable for its annual cleaning and the filter easy to remove. If either is hard to reach in your home, mention it. Our guide to mobile home air conditioning covers the basics.

Rental homes

The city has 2,401 renter-occupied homes. ENERGY STAR says your contractor can show you how to check and change the filter. A landlord and tenant can agree on who does that job between visits, and the landlord can keep the yearly visit on a calendar.

Homes that sit closed

If your home sits closed for part of the year, book the check-up before you return. ENERGY STAR says a plugged condensate drain can cause water damage and affect indoor humidity. Our New Port Richey AC maintenance page goes deeper on seasonal homes in Pasco.

Inside the city line or just outside it

The Census Bureau also lists Zephyrhills North, Zephyrhills South and Zephyrhills West as census-designated places. It defines these as communities that lack separate governments but otherwise resemble incorporated places, and lists them separately from Zephyrhills city. The maintenance visit is the same on either side of the line.

Three jobs are yours, and they make the yearly visit more useful.

• Filter. ENERGY STAR says to inspect, clean or change central air filters once a month. UF/IFAS says to check them monthly during peak season, or as the manufacturer recommends. See our guide to HVAC air filters.
• Thermostat settings. Confirm the system is set to Cool with the fan on Auto. UF/IFAS passes on the Department of Energy suggestion of 78°F or higher. If the house feels cool but clammy, UF/IFAS says the typical owner response is to lower the thermostat setting. Have it checked instead, and see why a house stays humid with the AC running.
• Vents, returns and the outdoor unit. Keep furniture off supply vents and return grilles. Keep plants, yard debris and stored items away from the outdoor unit. UF/IFAS says the manufacturer's clearance distances should be followed so nothing blocks airflow.

UF/IFAS also warns against venting a clothes dryer within 10 feet of the outdoor unit, because lint clings to the coil. If yours vents nearby, mention it at the visit. Leave the drain line, refrigerant, electrical parts and the panels on both units to a licensed contractor.

Do not wait for the yearly check-up if you notice any of these:

• Warm air from the vents, or a system that runs and runs without cooling the house.
• Ice on the copper lines or the indoor unit. Turn cooling off and call.
• Water in the pan under the indoor unit, or a system that shuts itself off.
• A tripped breaker for the air conditioner. Leave it off and call a licensed contractor.
• A new noise, or a burning or musty smell.

The National Weather Service says frequent lightning comes with the rainy season. If the AC stops during a storm and the whole house is dark, call your electric utility first. The Pasco Economic Development Council says Duke Energy primarily serves the Zephyrhills area, and Withlacoochee River Electric Cooperative also serves Pasco customers. The name on your bill tells you which one to call.

For a system that stops entirely, Blume offers 24/7 emergency HVAC service, with same-day response available based on location and technician availability. A person answers the 24/7 dispatch line.

Blume Mechanical Service is a Class A licensed Florida air conditioning contractor, license CAC-1822618, and is fully insured. Our office is in Belleair Bluffs, and our core service area is Pinellas, Hillsborough and Pasco counties, which includes Zephyrhills. We are brand-agnostic and service all major manufacturers as a licensed contractor.

If a check-up finds a problem that adjustment will not fix, you get repair and replacement options side by side. Blume does not sell equipment a building does not need. Paid priority scheduling is also available.

For the full seasonal list, see our AC maintenance checklist for Florida. Plan details are on the AC maintenance plan page, and our Zephyrhills HVAC page covers the other services we offer in the city.