9 Shocking Facts About Your HVAC System

Whether you’re faced with sweating through summer or getting a cold in the wintertime, your heating and cooling unit helps you avoid the extreme temperatures outside. HVAC systems might not seem very interesting, but once you read these 9 shocking facts about heating and cooling systems you’ll probably realize there were a few things you didn’t know about your HVAC system (and how to minimize heating and cooling costs!).

#1 – Energy Efficiency

Your home can be 30% more energy efficient if you simply add insulation and caulking around your doors and windows. (Source)

#2 – Etymology

The word “furnace” comes from the Greek word “fornax,” which means oven. (Source)

#3 – Energy Prices

The cost to supply electricity varies minute by minute because of constant changes to the supply (the wholesale price of electricity on the electric power grid) and the demand (how we use electricity and when). Most consumers pay prices based on the seasonal average cost of providing electricity, so they do not experience these daily price fluctuations. (Source)

#4 – Energy Vampires

You should unplug your HVAC system and other appliances from wall outlets when they are not in use. 75% of the electricity your appliances use is actually consumed when they are turned off! (Source)

#5 – Cost of Air Conditioning

In the 1940’s, a window air conditioning unit cost $350. Today that would cost roughly $3,500! (Source)

#6 – HVAC Systems in the U.S. 

Over 76 million U.S. homes (64% of the total) use central air conditioning units to cool their homes. Approximately 13 million homes (11%) use heat pumps for heating or cooling. By 2023, all new residential central air-conditioning and air-source heat pump systems sold in the United States will be required to meet new energy efficiency standards, thus fueling the growth of HVAC services. (Source)

#7 – Furnace Lifespan

A typical furnace lasts about 20 years and the older it is, the less efficient it is (Source).

#8 – AFUE Rating

The AFUE rating of your HVAC system can tell you what percentage of fuel is being used for heat and what percentage is being lost. (Source) The minimum standard AFUE for new furnaces is 78 percent. A mid-efficiency furnace usually has an AFUE rating between 80 and 85 percent, while a high-efficiency unit has a rating between 90 and 97 percent.

#9 – The Healing Power of HVAC Systems

You would not have access to many of the medications commonly used today without air conditioning technology! This is because researchers use cool and humid-less air in their labs to better analyze how medicine works and affect the human body. Hopefully, now you’ll appreciate air conditioning a little more when you take an Advil for your headache! (Source)

About Mercury Heat and Air Conditioning

Mercury Heat and Air Conditioning is proud to serve as one of the most trusted and highly rated HVAC companies in Denver. That’s because we understand the meaning of family and keeping yours safe. As a fourth-generation family owned business run by Colorado native Patrick Guiry of Guiry’s Paints, the importance of protecting family is core to our business and guides everything we do. Mercury Heat and Air Conditioning was created to meet the demand for the same level of high quality service in home and light commercial heating and air conditioning in the Denver metro area. Our friendly team of HVAC experts goes above and beyond to ensure you receive the solutions you need at the prices that fit your budget, because that’s what we’d do for our own family.

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