Cooling is typically half or more of a Dallas–Fort Worth summer electric bill. That makes a struggling air conditioner the most expensive appliance failure in your house — and the quietest.
Some of a summer bill increase is simply July. When it's 105° outside and your thermostat is set to 74°, the system runs most of the day, and the bill reflects that. What matters is the comparison to the same month last year, on the same thermostat setting — that's the number that tells you whether something is actually wrong.
If this July is meaningfully higher than last July with no change in habits, occupancy, or rate plan, your system is doing the same work for more money. That's a mechanical problem with a mechanical fix, and it's usually cheaper to repair than to keep paying.
In rough order of how often we find each one behind a jump this size:
Most DFW homes run their duct systems through the attic, and attic temperatures hit 130–150° in summer. Typical residential duct systems leak a meaningful share of the air they carry — and every cubic foot that escapes up there is air you paid to cool, delivered to your insulation.
It's also invisible. Nothing sounds wrong, nothing looks wrong, and the only symptoms are rooms that never quite cool and a bill that doesn't match the comfort you're getting. Sealing accessible duct leaks is one of the highest-return repairs available on an older home.
We'd rather fix your system than sell you one. If yours is under roughly ten years old, a repair plus a coil cleaning and duct sealing usually recovers most of the efficiency it's lost — for a fraction of a replacement.
Past 12–15 years, or on a system still using discontinued R-22, the math genuinely shifts. In that case we'll show you both numbers — the repair, the replacement, and the realistic monthly operating difference — and let you decide. If the payback doesn't work for your situation, we'll say so.
A few habits move the number without spending anything: keep the filter clean, set a schedule instead of manually chasing the temperature, and don't close vents in unused rooms — that raises static pressure and makes the whole system work harder, which is the opposite of the intent.
Each degree you raise the setpoint reduces runtime meaningfully in this climate. Going from 72° to 75° during working hours is usually the single largest no-cost change available to a DFW household.
In a Dallas–Fort Worth summer, cooling is typically half or more of household electricity use. That's why a system running at reduced efficiency shows up on the bill so clearly, and why a repair can pay for itself inside a season.
Same setting and same weather with a higher bill means the system is working harder for the same result — most commonly low refrigerant, a dirty condenser coil, or duct leakage. All three are measurable and all three are fixable.
It can, substantially, if you're replacing a 12–15+ year old unit. But we won't lead with that. If your current system's efficiency loss is from a leak, a dirty coil, or leaking duct, repairing it recovers most of that gain for far less money.
No — it's the most persistent myth in home cooling. Closing vents raises static pressure across the whole system, which reduces airflow, can freeze the coil, and generally increases energy use rather than lowering it.
Most DFW households land between 74° and 78°, higher while away. Each degree up meaningfully cuts runtime in this climate, and a programmable or smart thermostat captures that saving without you thinking about it.
Yes, and it's measurable. Clean coils, correct refrigerant charge, and proper airflow are exactly the things that degrade slowly and expensively. That's the whole premise behind our Comfort Club tune-ups.
Weak Airflow from AC Vents · AC Blowing Warm Air · AC Frozen Up / Iced Over · AC Not Cooling
HVAC Maintenance & Tune-Ups · Air Duct Sealing, Repair & Replacement · AC Installation & Replacement · All HVAC services
We handle this throughout the metroplex: Dallas, TX · Fort Worth, TX · Arlington, TX · Plano, TX · Irving, TX · Garland, TX · Frisco, TX · McKinney, TX · Richardson, TX · Mesquite, TX · Grand Prairie, TX · Carrollton, TX · Denton, TX · Lewisville, TX · Allen, TX · Sunnyvale, TX · Forney, TX · Terrell, TX · Rowlett, TX · Rockwall, TX · Flower Mound, TX · Southlake, TX · Grapevine, TX · Keller, TX · Coppell, TX · Colleyville, TX · North Richland Hills, TX · Hurst, TX · Euless, TX · Bedford, TX · The Colony, TX · Little Elm, TX · Prosper, TX · Celina, TX · Wylie, TX. See every area we serve.
Absolute Comfort Mechanical HVAC — licensed, insured, family-owned, serving the Dallas–Fort Worth metroplex. Call 214-900-2533 for 24/7 AC repair, heating, cooling, and commercial refrigeration service.