Three Jacksonville housing eras, and the Lennox equipment each one actually needs

A bungalow, a block ranch and a stucco two-story

Walk three Jacksonville streets and you walk through three different heating-and-cooling problems.

On a Riverside or Springfield block, the houses went up between 1905 and 1929 with no thought of central air. Whatever cools them today was threaded through closets and attic rafters decades later, often undersized, often leaking at every joint.

Across the Mathews Bridge in Arlington, and out along the Westside, the 1950s to 1970s concrete-block ranches have slab floors, low attics and single returns. The equipment is usually on its second or third replacement, but the duct is often original.

Then there is the post-2000 wave: Oceanway, Intracoastal West, the Baymeadows subdivisions, the Wildlight commuter houses up in Yulee. Tight stucco, builder-grade systems installed by the hundred, and now twenty-plus years old. Roughly 57 percent of the city’s housing was built in 2000 or later, which is why this group generates most of our replacement calls.

The problem each house is asking us to solve

The bungalow’s problem is airflow and dehumidification in rooms with ten-foot ceilings and single-pane windows. The ranch’s problem is an attic duct run baking at 130 degrees in July and a return that starves the blower. The stucco two-story’s problem is a system that was sized by square footage alone and has been short-cycling since the day it was commissioned.

Lennox builds equipment across all three needs. Our job is to refuse to sell the same box to all three houses.

Good, better and best, without the brochure

Every Lennox category we carry comes in roughly three levels, and the pattern holds whether you are shopping for an air conditioner, a heat pump or a full matched system:

• Single-stage. One speed, on or off. Reliable, least expensive, and the right answer for a rental, a small ranch or a budget that has to stretch.
• Two-stage. A low setting for most of the day and a high setting for 3 p.m. in August. Longer, gentler cycles pull more moisture out of the air, which matters when dew points sit above 70 for three months.
• Variable-speed. The compressor and blower modulate continuously. Quietest, driest, most efficient, and the tier that generally clears JEA’s rebate threshold with room to spare.

We never recommend a tier by itself. A variable-speed condenser bolted to a leaky 1965 duct system is an expensive way to cool an attic.

Tell us the house, we'll name the equipment

Where the equipment goes in a Jacksonville house

Installation notes we repeat on nearly every quote in this market:

1. Air handler height along the river. In San Marco, Riverside and Ortega, Irma and Nicole both put tidal water into ground-floor mechanical closets. We set air handlers on platforms or in attics where the house allows it.
2. Surge protection on the control board. Northeast Florida’s lightning density ran close to double the national average in recent years. A dedicated HVAC surge device is a small line item on every install.
3. Condenser placement at the Beaches. Jacksonville Beach, Atlantic Beach and Mayport addresses get a coastal build: coated coil, stainless fasteners, pad set behind the house rather than in the sea-breeze line.
4. Duct before equipment. On pre-1950 houses and 1960s ranches we price duct repair alongside the equipment, and sometimes instead of it.

Keeping it alive through pollen, lightning and salt

The care routine for a Duval County system follows the calendar. Filters change monthly from February through May while the oak and pine pollen falls. The condenser coil gets a fresh-water rinse every few weeks at the coast. The drain line gets flushed before June. And twice a year, a technician checks refrigerant charge, capacitor health and blower amperage, which is what a Cook’s maintenance agreement covers; ask for the exact inclusions. [[CONFIRM WITH JERRY]]

We install Lennox. We service Lennox, Carrier, Bryant, Trane and almost any other nameplate already hanging on a Jacksonville house. The products below are the ones we would put our own name beside.