HOW OLD IS YOUR CURRENT UNIT?

HVAC systems are designed to last only 12-14 years in an environment of 95 degrees or below. However in Oklahoma, most the summer weather many times take the temperature over the desired environment and the average life span of system is 8-10 years with a new 14 SEER or higher.

WHAT IS THE COST TO REPAIR vs. REPLACE YOUR HVAC SYSTEM?

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Spencer Heat and Air would be glad to help you with a comparison of where you would be better off.  Many times after meeting with homeowners, they find that is actually would be better replace their system rather than repair on a regular basis.

A typical scenario is provided below:

Your air conditioner stops working, and you discover that the condenser fan motor (which removes heat from the condenser) has failed. The cost to repair the 11-year old fan motor is $700. If your HVAC system has not received routine maintenance, the condenser fan motor failure may be the first of many system issues. Additionally, 11 year-old systems are typically rated a 10 on the SEER (or Seasonal Energy Efficiency Ratio) scale, which is relatively inefficient and often results in increased energy costs. In this case, Spencer Heating & Air would recommend replacing your HVAC system.

Compressor failure is typically an indication that an HVAC system should be replaced. Virtually every time a major component fails and the system is eight or more years old, replacement will be recommended — especially if the air conditioner uses R22 refrigerant, which is being banned by the EPA. Newer systems use R410, which is an environmentally sound refrigerant.

Modern air conditioners use 30% to 50% less energy to produce the same amount of cooling as mid-70's to mid-80's air conditioners. Even if your air conditioner is only ten years old, you may save 20% to 40% on cooling energy costs by replacing it with a newer, more efficient model.

Signs That an HVAC System Should Be Replaced

  • The heat pump or air conditioner is more than ten years old.
    • Consider a replacement unit that has earned the ENERGY STAR label. When installed correctly, these high-efficiency units reduce heating and cooling costs by up to 30%-50%.
  • The furnace is more than 15 years old.
    • Consider a replacement unit with an ENERGY STAR qualified furnace, which is 15% more efficient than a conventional furnace.
  • The HVAC equipment needs frequent repairs, and your energy bills are increasing.
    • This is typically a sign that the cooling or heating equipment has become less efficient.
  • Some rooms in your home are too hot or too cold.
    • This may be the result of improper equipment operation, duct problems, or inadequate insulation.
  • The home is left unoccupied most of the day, and the thermostat is not programmable.
    • Consider installing a programmable thermostat, to save energy and money while you’re away or asleep.
  • The home has humidity problems.
    • Summer humidity or excessively dry winter air is often the result of poor equipment operation, inadequate equipment, and leaky ductwork.
  • The heating or cooling system is noisy.
    • This could be the result of an undersized duct system or an issue with the indoor coil of the cooling equipment.

HVAC Installation

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If you choose to replace your HVAC system, full installation typically takes six to eight hours; if ductwork replacement is required, the process may take a bit longer. If needed, multiple technicians will be provided to ensure installation is complete within a reasonable time frame.
During system installation, Spencer Heat and Air Specialists will do the following:

  • Ensure there is adequate indoor space for the installation, maintenance, and repair of the new system
  • Validate duct size using a duct-sizing methodology.
  • Ensure there are a sufficient number of supply registers to deliver cool air throughout the home, as well as a sufficient number of return air registers to carry warm air back to the air conditioner.
  • Properly seal all ducts and heavily insulate attic ducts.
  • Strategically locate the condensing unit to minimize noise, if possible.
  • Strategically locate the condensing unit to avoid airflow blockage from nearby objects.
  • Verify that the newly installed air conditioner has the exact refrigerant charge and airflow rate specified by the HVAC manufacturer.
  • Install the thermostat away from heat sources, such as windows or supply registers.

Choosing a New HVAC System

Proper size and installation are critical to air conditioner efficiency. A unit that is too large will not adequately control humidity; conversely, a unit that is too small will not sufficiently cool a home during the summer months. Improper unit location or duct installation, as well as insufficient insulation, may greatly diminish efficiency. Spencer Heat & Air’s Specialists can help you choose the right air conditioner for your home.

It’s important to choose an air conditioner with high efficiency. Central air conditioners are rated according to their seasonal energy efficiency ratio (SEER), which indicates the relative amount of energy needed to provide a specific cooling output. Many older systems have SEER ratings of 6 or less, while today the minimum allowable SEER is 13 to 14. Central air conditioners with the ENERGY STAR® label have SEER ratings of 13 or higher; for even greater savings, you may want to consider air conditioning equipment with even higher SEER ratings.