What’s an Air Conditioning Dry Charge?

Over the past several years, both the U.S. and Canadian governments have instructed that all manufacturers of air conditioning equipment phase out production of the refrigerant R-22 (Freon) or Hydrochlorofluorocarbons (HCFCs). These refrigerants have been standardly used in air conditioners and heat pumps for many decades. The R-22 and HCFC mandates are expected to have the HVAC industry shift to a more environmentally friendly refrigerant with a technical code R410A. R410A has been shown to be safer for the environment.

In late 2010 reputable air conditioning manufacturers began manufacturing Air Conditioning and Heat Pump units, without adding refrigerant at the factory. These units are more commonly called “dry charged units”. They can legally be sold and installed which permits your the U.S. area HVAC contractor to charge the unit on-site with R22. R22 is still legal for AC repair or service for a short time longer. The intent for these Dry Charged Units is to offer the greater the U.S. area a more simple and cost effective replacement option for central air conditioners and heat pumps. However, these units also circumvent the spirit of the mandates, which was to wean the industry off less eco-friendly refrigerants.

the U.S. homeowners should be aware that these Dry Charged Units are approved in the U.S. and Canada. Because of the lack of clarity regarding the definition of an outdoor unit in the rules, the entire outdoor unit is technically looked upon as a replacement “part”. These days, condensers or heat pumps intended for use in a replacement R-22 system are now referred to as “Dry Charge” or “Nitrogen Charged” systems. Here are some Frequently Asked Questions about this recent A/C Dry Charge trend.

Do you recommend purchasing a Dry Charge Air Conditioning System?

Well, it really depends on a number of things. The number one thing to do is understand what types of HVAC equipment the heating and air conditioning industry offers and seek solutions to address your personal comfort, efficiency and lifestyle needs. Take time to understand the benefits and difference between a dry charge unit and new air conditioning products with R-410A refrigerant.

Top reasons for buying an R-410A system

Current R-410A systems have many benefits to the U.S. homeowners that Dry Charge units do not. A sample of the benefits include:

    • Improved energy efficiency for affordable in-home comfort
    • Modern technology to lessen humidity
    • Current production refrigerant solutions ensuring longer life and extended availability of refrigerant
    • Extended warranty periods for more peace of mind
    • Quieter operation for a more peaceful indoor environment
    • Eco friendly refrigerant that reduces the carbon imprint that negatively impacts our environment
    • Matched coil solutions for improved reliability and guaranteed cooling and heating performance

Is it legal to install Dry Charge units?

Absolutely. There are no Federal laws or legal restriction on the installation of R-22 or Dry Charge Equipment, as long as it is as a repair for an existing system.

Is there a warranty that comes with it?

Most manufacturers honor a standard 5-year parts warranty on dry charge units. While this offers industry standard protection on the components it does not provide protection against R-22 refrigerant prices, which are expected to increase dramatically.

How expensive will R-22 get in the next few years?

It is likely that as a result of supply and demand, the answer to this question is “yes – we do anticipate R-22 refrigerant to get pricey”. As the phase out process of R22 continues, new R-22 refrigerant production will slowly be reduced, with full elimination of its production in 2020. Until then, indications are that there will likely be sufficient supply to meet the current demand.

If you have more questions about refrigerant, we encourage you to contact Service Experts Heating, Air Conditioning & Plumbing for clarification.

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