Three questions Lake City asks about a new air conditioner, once the one about the bill is answered

The bill question, answered first

A central air conditioner installed around 2005 in a Cypress Landing house is now doing its job with roughly a third more electricity than a current mid-efficiency unit needs, and noticeably more than that compared with a variable-speed model. Over a Lake City cooling season, which runs hard from May into late September, that is five monthly bills, each a little lower. The gap is widest in July and August, when inland afternoons hold at 90 and the compressor barely rests.

We will not put a dollar figure on that here because the honest number depends on your house, your thermostat habit and whether you buy from FPL inside the city or Clay Electric outside it. What we will say is that on most Columbia County houses, a sensible replacement pays back a meaningful part of its cost in electricity before the first major repair would have come due on the old one. The rest of the decision is comfort, and comfort comes down to three questions.

Will I hear it from the back porch?

On the half-acre lots in Mayfair the condenser can sit well away from the lanai. On a Summers Ridge cul-de-sac, where the units are twelve feet from the neighbor’s bedroom window, sound matters. Two things decide it: the compressor type and the fan. Single-stage units start and stop at full blast; two-stage and variable-speed units spend most of the day running low and slow, which is both quieter and better for humidity. Pad placement, a sound blanket on the compressor and keeping the unit off the bedroom wall handle the rest.

Will it finally dry out the house?

Columbia County air is at its stickiest in June, when the rains start, and stays that way into September. A single-stage condenser that is a size too large, which describes a great many 1990s builder installs, reaches setpoint within ten minutes and quits with the coil barely wet. A properly sized modulating unit, two-stage or inverter-driven, runs longer at lower output and removes far more moisture per hour of operation. If your house feels clammy at 74, the fix is usually a smaller, smarter condenser than the one coming out, not a bigger one. We measure the house before we size anything.

Does a new condenser do anything for pollen?

Not directly. The condenser sits outside and moves heat; the air handler and filter indoors are what clean the air you breathe. Where a new system helps is airflow: a properly matched blower can push through a thicker, better filter without starving the coil, which matters in March and April when the pine pollen and oak catkins turn the whole town yellow. If pollen is your real complaint, read the air handler and filtration pages alongside this one.

Price a quiet, right-sized air conditioner

Straight-cool or heat pump: the Lake City caveat

An air conditioner only cools. In a town with a dozen freeze nights a year, the heating side has to come from somewhere: a gas furnace on Lake City Utilities gas downtown, propane out on the acreage, or electric strip heat. If your heat source is strips, a heat pump will usually beat a straight-cool unit on the winter bills for a modest premium. If you have gas you are happy with, a straight-cool condenser matched to that furnace is the clean choice. Either way, the outdoor unit is half of a matched pair, and the pairing is where the efficiency rating you paid for either shows up or does not.

What the quote will show

A Manual J load calculation instead of a copy of the old unit’s label. The matched indoor unit. A line for surge protection. The current FPL or Clay Electric rebate, described accurately for whichever utility bills you; FPL’s instant credit runs through enrolled contractors, so ask where Cook’s stands on that. [[CONFIRM WITH JERRY]] No price for the trip up from headquarters, because there is none.