FAQs

K & K Mechanical
  • How often should I service my HVAC system?

    Professional maintenance should be scheduled twice annually: in the spring for air conditioning systems and in the fall for heating systems, as recommended by most equipment manufacturers.
  • How long does an HVAC system last?

    With regular maintenance, most HVAC systems operate effectively for 10-15 years. Furnaces can function for up to 20 years, while air conditioning units generally last between 10-15 years.
  • What temperature should I set my thermostat to?

    For optimal energy efficiency, we recommend setting your thermostat to approximately 68°F during winter months and 78°F during summer months when occupants are present.
  • Why is my energy bill so high?

    Elevated energy costs often result from clogged filters, outdated equipment, insufficient insulation, leaking ductwork, malfunctioning thermostats, or HVAC systems requiring professional maintenance.
  • Why is my air conditioner running but not cooling?

    This issue may stem from a clogged air filter, insufficient refrigerant levels, frozen evaporator coil, thermostat malfunctions, or electrical component failures.
  • How often should I replace my air filter?

    Filter replacement is typically required every 1-3 months, though the specific interval depends on filter type, presence of pets, household allergies, and overall home conditions.
  • Why is my AC freezing up?

    Evaporator coil freezing occurs when airflow is restricted by dirty filters, blocked vents, or when refrigerant levels are inadequate.
  • Should I repair or replace my air conditioner?

    Replacement often proves more economical than continued repairs when your system exceeds 10 years of age and requires repeated service calls.
  • Why won't my furnace turn on?

    Furnace startup failures typically occur due to thermostat malfunctions, tripped circuit breakers, clogged filters, pilot light failures, or activated safety switches.
  • Is it normal for my furnace to smell when first turned on?

    A mild burning dust odor when starting your furnace at the beginning of heating season is expected. Any persistent or strong odors require immediate professional inspection.
  • How often should my furnace be serviced?

    Annual furnace maintenance is recommended to ensure efficiency, safety, and reliability.
  • How can I improve indoor air quality

    Regular filter changes, duct cleaning, air purifiers, humidity control, and HVAC maintenance can improve indoor air quality.
  • Do UV air purifiers really work?

    UV systems can help reduce airborne bacteria, mold spores, and other contaminants when properly installed.
  • How do I know if my ducts need cleaning?

    Signs include excessive dust, musty odors, poor airflow, visible debris, or recent remodeling work.
  • Can leaky ducts increase energy costs?

    Yes. Air leaks can significantly reduce efficiency and cause your HVAC system to work harder.
  • What qualifies as an HVAC emergency?

    No heat in winter, no cooling during extreme temperatures, gas odors, carbon monoxide concerns, electrical issues, or complete system failure.
  • Do you offer emergency HVAC service?

    Yes, we provide emergency HVAC repairs to restore comfort and safety as quickly as possible.