What to read with the breaker off and the phone in reach
Eight problem pages for what's happening right now, ten guides for the decisions that take longer. All of it written for Columbia County.

The eight symptoms, in Lake City terms
Warm air from the vents, ice on the lines, a system that starts and stops every few minutes, a sticky house, a bill that jumped, a new noise, water under the air handler or on a ceiling, a breaker that trips. Those eight problem pages are written for the houses here: the 1970s block ranch with flex duct baking in the attic, the Callaway two-story on its original 2005 equipment, the manufactured home off SR 47 with belly duct and iron-heavy well water. Each one says what to check safely, what it usually turns out to be in Columbia County, and when to stop and call.
Ten guides that only make sense here
The longer reads cover what the symptom pages can’t: manufactured homes on wells as the county standard; what a real winter does to a heat pump and its auxiliary heat; storm damage and surge protection after Helene and Idalia; Clay Electric’s rebates for the unincorporated county; the river air around Fort White and the Ichetucknee; commercial units along the I-75 corridor; hard water and scale; generator transfer switches and HVAC; replacing a 1990s package unit; and spring pollen’s effect on filters and coils.
Where reading stops
If there’s a burning smell, water pouring from a ceiling, repeated breaker trips, or no heat on a freeze night, close the page and call 866-266-5709. Dispatch answers at any hour, the drive from Palm Coast is stated honestly, and the night rate is the day rate.
About the library
Are the guides written for Lake City or copied from a national site?
Written here, for here. The storm guide is about Helene and Idalia, the rebate guide is about Clay Electric, the water guide is about the Floridan aquifer.
Which page should a manufactured-home owner on a well start with?
The guide on manufactured homes and wells, then the high-bill problem page. Between them they cover belly duct, scale and the co-op rebate, which is most of what goes wrong in that kind of house.
Will reading the storm-damage guide help with my insurance claim after the next hurricane?
It tells you what to photograph, what not to run, and what an adjuster expects to see from an HVAC contractor. It won’t replace our written assessment, but it makes the claim faster.
- ProblemBreaker TripsAir conditioner or heat pump tripping the breaker. Why the season tells us which half of the system is at fault, and why you reset it once.
- ProblemFrozen CoilIce on the lines or the indoor coil in warm weather. Why spring is the season for it here, and the four-hour rule before anyone touches it.
- ProblemHigh BillNothing changed in the house and the bill jumped. How to compare it honestly, and which air conditioner faults show up on a meter first.
- ProblemHumidityCool but clammy. The thermostat myth, the hygrometer number that matters, and the ranked reasons a house here stays damp.
- ProblemNoiseGrinding, buzzing, rattling, screeching. Sorted by whether they came on suddenly after weather or built slowly, because that tells us what broke.
- ProblemShort CyclingOn, off, on again every few minutes. Why the brick two-stories on the southwest side do it so often, and what each cause costs.
- ProblemWarm AirThe fan runs, the air is room temperature or worse. What the age of the house tells us before we open a panel.
- ProblemWater LeakWater at the air handler or a ceiling stain under the attic unit. Where the unit lives decides what you do in the first hour.
- GuideAux heat & freeze nightsThe AUX light, the defrost steam, the strips and the bill that follows. A cold night in Lake City from the equipment's side.
- GuideClay Electric rebatesThe co-op's heat-pump rebate and conservation loan, worked out for a rural Columbia County address, with the questions to ask first.
- GuideFort White river humidityA town house and a river cabin through one Ichetucknee summer. What river air does to each and how to keep both dry.
- GuideGenerators & HVACCords, manual transfer or automatic standby: three ways Columbia County backs up power and what each means for the heat pump.
- GuideHard water & scaleHardness, iron, sulfur and pH, read as an HVAC technician reads them, with the fix for each level.
- GuideStorm damage & surgeLimbs, water, roofs, surges and the restart that finishes what the storm started. What we found after Idalia and Helene and how to protect against the next one.
- GuideI-75 corridor commercialTravel centers, hotels, restaurants, warehouses and offices along the interstate: equipment, failure modes and maintenance intervals for each.
- GuideManufactured homes on wellsA third of the county lives this way. Which equipment fits which home, with the well water and the humidity accounted for.
- GuideReplacing a 1990s package unitKeep, repair, replace like for like, or convert to a split: a decision tree for the aging package unit beside a Columbia County home.
- GuideSpring pollen & filtersPine, then oak, then the first hot week. A week-by-week routine for filters and coils through Columbia County's pollen season.
Need a hand in Lake City?
Call any hour. Real people answer, and there are no after-hours charges.