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Lockwell HVAC

Licensed Alabama HVAC · Birmingham, AL Metro

HVAC Services in Birmingham, AL.

Six residential services. Licensed Alabama HVAC work. EPA Section 608 certified. Written estimates before any work begins. Serving Gardendale, Fultondale, Center Point, Irondale, Bessemer, Hueytown, Pleasant Grove, Helena, and the broader Birmingham metro.

02 · The method

How honest HVAC work is supposed to go.

01

Diagnose first — then quote

Every service call starts with the technician asking what happened, when it started, and what you noticed. Most HVAC problems have a story, and most stories point to a cause. We find the cause before we quote the fix.

02

Measured — not guessed

Multimeter on the capacitor. Clamp-amp on the blower motor, condenser fan, and compressor. Manifold gauges on suction and head pressure. Temperature splits across the evaporator. Duct static at the air handler. Real numbers — not opinions.

03

Written estimates — every time

The diagnosis and the fix go on paper before we touch a screwdriver. Part cost, labor, total. You read it, you ask questions, and you decide. No verbal quotes. No bundled upsells. No pressure toward the most expensive option.

04

Repair to spec — then verify

Repair done to the manufacturer specification. Refrigerant charge verified by weight and superheat/subcooling. Electrical readings checked against data plate. System cycled before we leave. If something shows up in the first season, that is an install finding — not a new call.

03 · Principles

Standards every Birmingham, AL HVAC contractor should hold to.

What we will not do

We will not quote duct cleaning you do not need. We will not push UV lights, whole-home air scrubbers, or iWave ionizers unless you have a documented indoor air-quality issue. We will not replace a system that can be repaired. We will not install no-name builder-grade equipment bought from a dropship site.

Licensing and insurance, on request

Licensed through the State of Alabama Board of Heating & Air Conditioning Contractors. General liability insurance and workers comp on every technician. Ask us — or any contractor — to show the license number and certificate of insurance before work starts. That takes thirty seconds and tells you everything.

Refrigerant handled legally

Every Lockwell technician carries EPA Section 608 certification — the federal license required to purchase, recover, and handle refrigerant. We find the leak before we add refrigerant. We pull a deep vacuum with a micron gauge. We recharge by weight to the manufacturer spec. Not "top off until it feels cold."

Manual J sizing on every install

Load calculation based on exterior walls, windows, insulation, orientation, ceiling height, and building envelope. The output is a BTU number, and the BTU number determines the exact system size. Oversized systems are the number one cause of humidity problems, short-cycling, and rooms that never feel right.

Ductwork measured, not assumed

We test duct static pressure with a manometer before quoting any new install. Adding a new system to bad ducts wastes your money. In older Birmingham homes with crawl-space runs, we check joints, insulation, and support. In attics, we check for crushed flex duct, bad takeoffs, and panned joists being used as return chases.

Post-install followup

A new system is finished when it has run through a full cooling cycle and a full heating cycle with you living in the home. Our install includes a verification visit to confirm subcooling and superheat under real-world load and walk through thermostat programming.

Free PDF

Free: Alabama Homeowner HVAC Sizing & Efficiency Checklist

Manual J inputs, SEER2 tiers, ductwork checklist, thermostat setpoints, contractor red flags, and the paperwork you should receive at install. Printable PDF. Enter your email and we send it over.

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04 · Not sure what you need?

Call us and describe the problem.

We will tell you honestly what sounds like the likely cause, what a fair diagnostic looks like, and whether you can troubleshoot it yourself before you pay anyone to show up.

Call (205) 206-7030