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Heater Blowing Cold Air: The Usual Causes
The fan left on ON, a clogged filter tripping the limit switch, a pilot or igniter that is not lighting, or attic ducts losing the heat on the way.
September 10, 2026
AC Tripping the Breaker? The Timing Tells You Why
Instantly means a short to ground. After a second of humming, the capacitor. After 10 to 30 minutes on a hot afternoon, a dirty coil. Reset once only.
September 9, 2026
AC Runs Constantly and the House Stays Hot? Read the Split
A 15 to 20 degree drop between the return and a supply register means the refrigerant side is fine. Under 10 points at airflow or charge.
September 9, 2026
AC Leaking Water Inside: Drain Line, Pan, or Frozen Coil
The coil makes the water and the drain carries it out. How to tell which part failed, and the vinegar and wet-vac checks that clear a mild clog.
September 9, 2026
AC Buzzing, Rattling, or Hissing? What Each One Means
Buzzing is electrical, rattling is something loose, hissing can be refrigerant. Five of these sounds mean shut it off at the thermostat before you call.
September 9, 2026
AC Short Cycling? The Filter Is the Most Common Cause
A healthy cycle runs fifteen minutes or more. Why a dirty filter, a weak capacitor, or a system one size too big all end in a two-minute cycle.
September 9, 2026
Commercial HVAC Maintenance: The Small-Building Contract
Quarterly filters and belts, charge and amp readings twice a year, one coil cleaning. Ask for readings on the report, not checkmarks.
September 9, 2026
Smart Thermostats Save Money Only If the House Empties
Energy Star puts the average saving at roughly 8 percent, and the only lever is runtime. Where it pays here, and why a heat pump changes the setback math.
September 9, 2026
Duct Insulation R-Value: Why Attic Ducts Need R-8
Supply air leaves the coil near 55 degrees and the attic sits at 130. What R-4.2, R-6 and R-8 mean on the jacket, and why sealing comes first.
September 9, 2026
Duct Sealing or Replacement? Three Readings Decide It
Leakage, static pressure and the condition of the jacket. Gray flex that flakes and a single undersized return are replacement, not something you seal.
September 9, 2026
Ducted or Ductless Heat Pump? Start With the Attic
A 1920s bungalow with no ducts has three paths, including concealed-duct heads. Headroom, small rooms, and a MERV 13 filter slot decide which one fits.
September 9, 2026
Fall HVAC Checklist: What to Do Before the First Cold Night
The AC still runs here into October, then the furnace gets asked for heat. Run it 15 minutes on a mild day, keep a spare filter, test the CO alarm.
September 9, 2026Schedule service
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