HVAC

When your air conditioner runs but fails to cool, the problem could be a refrigerant leak, a dirty filter, a frozen evaporator coil, or a malfunctioning compressor. An HVAC technician can diagnose the issue, recharge refrigerant if needed, and restore comfortable temperatures.

A furnace that won't heat can leave your home uncomfortably cold and even dangerous in winter. Common causes include a faulty igniter, a clogged filter, thermostat issues, or a gas supply problem. An HVAC technician can safely troubleshoot and repair your heating system.

Banging, squealing, rattling, or grinding sounds from your HVAC system often indicate a loose component, a worn belt, a failing motor bearing, or debris in the ductwork. Ignoring unusual noises can lead to costly breakdowns. An HVAC technician can pinpoint and fix the source before it worsens.

A malfunctioning thermostat can leave your home too hot, too cold, or cause your HVAC system to cycle erratically, driving up energy bills. The problem may stem from dead batteries, faulty wiring, or a failed sensor inside the unit. An HVAC technician can test the thermostat, recalibrate or replace it, and ensure your heating and cooling system responds correctly.

Water dripping from your air conditioning unit usually means the condensate drain line is clogged, the drip pan is cracked, or the evaporator coils are frozen. Left unaddressed, the leak can damage ceilings, walls, and flooring, and promote mold growth. An HVAC professional can clear the drain, repair the pan, and check refrigerant levels to stop the leak and prevent costly water damage.

When some rooms are too hot while others are freezing, the problem usually lies in your HVAC ductwork, insulation, or system sizing. Common causes include blocked or leaking ducts, closed or misadjusted dampers, insufficient insulation in certain walls or attic areas, or an HVAC system that's too small for the space. An HVAC technician can perform a duct inspection, check airflow at each register, and recommend solutions like duct sealing, damper adjustment, or adding a zoning system.

A musty or mildew smell blowing from AC vents usually signals mold or bacteria growing inside the HVAC system — on the evaporator coil, in the drain pan, within ductwork, or on a clogged air filter. Beyond being unpleasant, airborne mold spores can aggravate allergies, asthma, and respiratory conditions. An HVAC technician can inspect the system, clean the evaporator coil and drain pan, treat ductwork, and identify root causes like poor drainage or inadequate dehumidification.

Persistent condensation, fog, or ice forming on the interior surfaces of windows during cold weather signals excessive indoor humidity. While occasional light condensation is normal, heavy or daily moisture on windows can cause wood frame rot, peeling paint, mold growth on sills and surrounding walls, and even damage to the wall cavity insulation. The root causes are usually inadequate ventilation, an oversized humidifier, bathroom or kitchen fans that aren't ducted outside, or a home that's been sealed too tightly without balanced air exchange. An HVAC technician can measure indoor humidity levels, inspect ventilation systems, and recommend solutions like balanced ventilation, dehumidifiers, or heat recovery ventilators.

Short cycling is when an air conditioner turns on, runs for only a few minutes (instead of the normal 15–20 minute cycle), shuts off, and then restarts shortly after — repeating this pattern continuously. This puts enormous stress on the compressor, which is the most expensive component to replace ($1,500–$3,000). Each startup draws a surge of electricity, so short cycling can increase energy bills by 20–40%. Common causes include a dirty or clogged air filter restricting airflow, low refrigerant from a leak, an oversized AC unit for the space, a malfunctioning thermostat reading incorrect temperatures, frozen evaporator coils, or an overheating compressor with a failing motor. An HVAC technician can diagnose the root cause, check refrigerant levels, clean evaporator and condenser coils, verify thermostat calibration, and inspect electrical components. Ignoring short cycling dramatically shortens the system's lifespan — a well-maintained AC lasts 15–20 years, but chronic short cycling can cut that to 7–10 years.

When your furnace runs but only pushes cold or lukewarm air through the vents, the problem usually lies with the pilot light, flame sensor, gas valve, or a clogged air filter that triggers a safety shutdown. A certified HVAC technician can diagnose the root cause and restore heat, often in a single visit.

Ice forming on your air conditioner's evaporator coil or refrigerant lines signals restricted airflow or a refrigerant issue. Running a frozen unit can damage the compressor — the most expensive component. An HVAC technician can safely thaw the system, find the cause (dirty filter, low refrigerant, or a failing blower), and prevent repeat freeze-ups.

Sweating ductwork occurs when warm, humid air contacts cold duct surfaces, creating moisture that can drip onto ceilings, insulation, and framing. Left unchecked, duct condensation leads to water stains, mold growth, and damaged insulation. An HVAC technician can insulate ducts, seal leaks, and adjust humidity levels to eliminate the problem.