Big HVAC Changes from the Last Decade

hvac historyThe trajectory of HVAC history has been a steady arc of progress since the late 19th century. Advances in heating methods such as radiators were accompanied by improved indoor ventilation as electric fans became widespread. At the dawn of the 20th century, the patent for the first functional air conditioner was issued. Window A/C units made cool comfort affordable by the 1950s and heat pumps were introduced in the Seventies as hybrid cooling/heating units became a reality. Energy efficiency and environmental compatibility of HVAC systems became a priority in the 1990s and over 85% of American homes were air conditioned.

But what about the last 10 years? Here are recent examples of innovation and progress that continues to make HVAC history:

  • Greater energy efficiency. Today’s new furnaces and air conditioners have contributed to a 30% increase in the energy efficiency of home heating and cooling systems. New Department of Energy HVAC efficiency standards are on track to reduce carbon dioxide emissions by almost 370 million metric tons.
  • Environmentally friendly refrigerants. The refrigerant in your air conditioner is the lifeblood of the system. The shift away from the standard Freon of past decades came with the introduction of R-410A refrigerant now utilized in new A/C units. Unlike Freon, today’s R-410A does not degrade the earth’s ozone layer.
  • Internet connectivity. Most new HVAC equipment now connects to the internet to provide homeowners with remote monitoring and control of the house environment with smartphones, laptops or computers from anywhere in the world. HVAC systems can also connect to local utilities to take advantage of lower cost electricity at specific times.
  • Evolving technology. Advancements like variable speed air conditioner compressors now cut A/C electrical consumption by fully 25% over the previous single-speed compressors.
  • Smarter thermostats. Programmable thermostats that “learn” your daily household routine and temperature preferences provide more exact, fully automated temperature control to fine-tune indoor comfort while reducing HVAC energy consumption.

At Paitson Bros., we’ve been keeping up to date with the changes in HVAC history since 1922. Contact us for the latest and greatest developments in home comfort and efficiency.

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    By Jeff Paitson
  • About Jeff

    Jeff Paitson Jeff Paitson is a third generation business owner who continues to run the business with the same values that have been passed down from previous generations since 1922.

    Jeff’s belief is that the business belongs to Jesus Christ; therefore 10 percent of the company’s profits go toward the Maryland Community Church.

    Jeff is a Terre Haute Chamber of Commerce member and in his spare time, he enjoys photography.
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  • About Ethan


    Ethan Ethan Rayburn is a lifelong resident of Terre Haute and a 2005 graduate of Purdue University.

    An Eagle Scout, Ethan spent four years as a non-profit executive with the Boy Scouts of America before joining Paitson Bros. as a comfort advisor and later General Manager. In that role, Ethan has brought a renewed enthusiasm for customer care, integrity, value, and service to Paitson Bros. Heating & Air Conditioning.

    Ethan enjoys singing and was a member of the Purdue Varsity Glee Club. He also enjoys playing and coaching soccer, spending time with his family and two young boys, and volunteering his time and resources with his church, Terre Haute First Baptist Church, which he has attended from a very young age.
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