the department of energy has adjusted their sear testing on air conditioners and heat pumps to more
accurately reflect what's going on inside homes across america new m1 testing procedures are going
to force today's 2022-14 seer systems down to 13.4 in 2023 rendering it inadequate for use in america
what's being amended fan off delays on the air handler blower motors limiting the area of the
evaporator coils being tested raising the external static pressure level to almost real world levels
the method for how they test and calculate heat performance on heat pumps and a better
testing methodology for variable speed systems a little bit about the term m1 you know how you
make a multi-level list for a document like an hri standard like one we are the doe and we have the
authority to blah blah blah a blah blah blah b all the way down to m which is the style of testing
before 2023 and then m has a number under it m1 the new style of testing that we're moving to the
department of energy has regulated residential air conditioning and heat pump efficiencies since 1992
an average-sized home can use over 2000 kilowatt hours of electricity each year
causing the average power plant to emit around 3 500 pounds of carbon dioxide and 31 pounds
of sulfur dioxide into the air we finally got everyone to realize that systems today use 25 to
50 percent less energy than those installed just 20 and 30 years ago the doe did that by increasing
the required minimum see ratings of systems and doing so through a strict testing process
just since 1992 we've gone from a minimum 10 seer mandate to 2006 upgrading the minimum rating to 13
seer 10 years later in 2015 every state in the southwest and southeast were required to step
it up to 14 seer minimum efficiency since the summers are more intense there so here we are
seven years later faced with higher standards actually it's understandable that the doe wants
to bring the standard of testing to meet real world situations and the upgraded technology of
the equipment being used in today's systems after all doing this increases overall efficiency again
by another seven percent by switching to the m1 testing which is why distributors with today's 14
seer systems will not even be able to sell those units after january 1st 2023 heat pumps have a
little different rule as far as what can be used and for how long but they'll still have to meet 15
seer two after they all sell off it's just that 14 seer air conditioners will dwindle away probably
by september or october because distributors can't just send back the old units right they have to
time their inventory just perfectly so that they don't have any 14 series units by january 1st 2023
from what i can see in the southwest and the southeast one and a half to two and a half three
and three and a half ton split systems will be required to have a fifteen seer two minimum
northern states that are at thirteen seer now will be at fourteen seer two while southern four
and five time unit minimums will be fourteen and a half seer ii northern units will still be required
to meet that 14 co2 all heat pump efficiencies will be required to meet 15 seer two after
january 1st 2023 so what you're going to see is 2022's m standard 16 seer systems and technology
become the new minimum standard since they'll be rated 15.2 under the new m1 style of testing
that means the new minimum tier system is going to become even more expensive than the current
14 sears which increased about 25 percent since the beginning of kovid in 2022 let me know your
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