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The MrCool Universal Series is an innovative and efficient complete home cooling and heating system. It is compact, powerful, and actually affordable. But what makes it so great?
Real Cooling & Real Heating
Today, everything in our lives serves more than one purpose. Our cars are not only for transportation, but they sometimes our offices, dining room and even our couch or bedroom. Our cell phone is no different. It should come as no surprise that our HVAC systems are also trying to do it all. Which brings us to the MrCool Universal Series Heat Pump.
A heat pump like the MrCool Universal is basically an air conditioner that can heat too. It can reverse its operating cycle in order to pull ambient outdoor heat inside. This allows you real flexibility. You don't have to turn on an expensive electric or gas furnace. Instead, just switch your Universal over to heat mode, and you're ready for cold weather.
However, traditionally with heat pumps, there has been a problem with low temperature heating.
More Cold, More Problems
An air conditioner doesn't create cold air. That's impossible. What it really does is take heat out of the air inside your home. For heating, a heat pump takes heat from outside and pulls it inside. This is fine and easy to do at 'relatively' warm temperatures.
The downside is that the less heat there is outside, the harder the heat pump has to work. Traditionally, heat pumps have not been very effective heating units when the outside temperature drops below freezing. They start losing efficiency very rapidly, then freeze up, and have to go into defrost mode. When that happens, you aren't getting any heat.
Which has always been a big obstacle for homeowners in cold climates. A heat pump would be useful to them for certain parts of the year, but in real winter you need a furnace.
The MrCool Universal changes this equation.
Real Cold Weather Heat from a MrCool Universal Heat Pump
Unlike traditional heat pumps, the MrCool Universal can heat effectively below freezing. It can even heat effectively below zero, and keep heating effectively down into negative double digits. It can keep a 1500 sf house at 70 degrees in -20 and below. Most homeowners in the United States are not going to have to worry about temperatures that cold. Which means that the MrCool Universal can be an effective heating and cooling system for the vast majority of US households.
No gas. No propane. And no problem with the MrCool Universal.
MrCool Universal Features
Aside from its ground-breaking heating capability, the MrCool Universal has other great features:
Sophisticated DC inverter compressor
Intelligent internal control system
Cooling up to 110 degrees Fahrenheit
Heating down to -25
Auto-reset internal overload protector
Direct drive fan motor
Inner groove copper tube and aluminum fin
Gold Fin corrosion resistance
Auto-defrost
Compact footprint and a shallow silhouette
MrCool Universal Quick Connect Pre-Charged Line Set
One optional tool for the MrCool Universal is the Quick Connect Pre-Charged Line Set. So, what does that mean?
A standard heat pump split system is installed with flare fitting line sets. A technician runs the copper refrigerant lines from the air handler to the condenser. They flare the fittings, vacuum to remove all the burrings, charge with nitrogen to check for leaks, vacuum out the nitrogen, then, finally, charge with the appropriate refrigerant.
It is a time consuming, but necessary process, for traditional flare fittings.
The MrCool Quick Connect Pre-Charged Line Set eliminates virtually all of those steps. The Pre-Charged No-Vac lines plug in quickly and easily. You don't have to flare them, vacuum them, charge with nitrogen, vacuum again, or charge with refrigerant. They come 100% pre-charged from the factory with the appropriate amount of R-410a refrigerant.
Why?
Because time is money, and the HVAC world is busier than ever before. Saving time and simplifying installation make everyone's life easier.
Plus, the Quick Connect Pre-Charged line set for the MrCool Universal is entirely optional. Homeowners who want a more traditional installation can get exactly that. But the flexibility is always there to be used if needed.
Overall Benefits of the MrCool Universal
The MrCool Universal is an 18 SEER heat pump that can cool and heat effectively in virtually any climate conditions in the United States. Places with extreme cold temperatures that reach below -25 on a regular basis may want supplemental heat. However, for the rest of us in the vast majority of the country, the MrCool Universal could be the only heating source we need all winter long.
This means that if you live out in the country and have to use propane, you can replace your propane furnace and tank with a MrCool Universal. If you just want to get off natural gas, get a MrCool Universal. Basically, if you want an all electric and high efficiency home comfort system, get a MrCool Universal.
What Are Your Thoughts?
Do you have questions or comments about the MrCool Universal? Let us know in the comments below!
I am building a new home on the Mississippi Gulf Coast (zone 1). The home is about 1325 sq feet heated. By normal calculations that would require a 2.5 ton unit. Will the 2/3 unit work in this capacity? I was told over sizing the unit will cause humidity issues. I am concerned giving this area has a relatively high humidity year round.
Traditionally, over sizing can lead to humidity issues, since an over size air conditioner would not run long enough to extract a significant amount of humidity. However, new designs like the Universal allow a lot more leeway when it comes to sizing than traditional systems. The Universal is a variable-speed system. It doesn't start out on the most extreme setting. It slowly ramps up capacity to meet demand. This doesn't mean that you should grossly over size, of course. Give us a call at 270-575-9595 and we can walk you through your options.
So can a Mr. Kool Universal series unit extract heat below 32F WITHOUT the optional heat kit?
I ask because according to the manufacturer, Mr. Kool:
"Gas Furnace vs. Heat Pump: Which Is Right for You?" https://mrcool.com/blog/gas-furnace-vs-heat-pump-which-is-right-for-you/ 11/10/2022
"..When winter temperatures are below about 25 degrees to 30 degrees Fahrenheit, the heat pump will not be able to extract enough heat from outside. For many of the Southern and coastal states, this isn’t a problem and a heat pump is a very effective heating system. But for many of the states farther north, the average winter temperatures are often much colder than this recommended minimum, and a heat pump is not an effective choice."
Obviously, there is conflicting information about heat pump effectiveness below freezing temperatures here.
Please clarify. Thanks.
That article refers to a typical heat pump. The Universal is able to heat in temperatures as low as -5º Fahrenheit at 100% heating capacity. It can also heat in temps as low as -22º Fahrenheit at a heating capacity of 78%.
I have a 10 year old Lennox heat pump that can work down to 38 F. Temperatures where I live in CT are down to -10 many nights in February. I have read that Mr. Cool can handle down to -5 F at 100% efficiency, and down to -22 F overall. It does sound like a good fit for me when the Lennox heat pump goes (the Lennox saved me the additional cost of going from an AC unit to a heat pump in just one winter, so it has definitely been a good investment). My question is different as no one has seemed to ask it. As you may have guessed, the only service I get where I live is electricity. I have to use a supplemental oil furnace to heat not only below 38 F, but to heat my well water as well. Can Mr. Cool heat a hot water heater like my oil unit does, or would I have to buy an electric water heater instead? I had to replace the water heater just five years ago so I am not anxious to pay for another water heater as well. Thank you.
Do I have to have aux heat installed if the low average OAT during our winter is 30F? I know aux is used during a defrost cycle but is is necessary to have it?
I am going to replace three Amana 2, 2, and 4 ton HVAC system for a 5000 sf house at Myrtle Beach, SC and I am not able to find a technician who is willing to install MrCool. Could you provide me a trustworthy person to do the job?
Can you put a package together to include a 4-5 ton universal condenser, enclosed a-coil and 80 kbtu high efficiency signature series furnace with no-vac pre-charged 25 ft llineset?
I have not yet found COP data on the Mr. Cool units. Do you have this information available? I am trying to calculate electrical consumption during heating to see if it is worthwhile to use the Mr. Cool and eliminate my natural gas usage vs a Goodman Heat Pump unit and keeping the gas installed. I am looking at the Mr. Cool universal 4-5 ton unit and the Goodman 4 ton 18 SEER unit. The Goodman has MBh, COP, Amp data from 65F down to -5F. Do you know where I can find similar data for the Mr. Cool unit? Thanks!
We do not have COP data for the Universal. It is HSPF rated. I would say that it is unlikely a Universal will be more efficient than a heat pump and natural gas furnace combined.
The Universal condenser and air handler can be integrated into an existing furnace system. However, that can be a complicated job. How to do so is certainly beyond the scope of the usual information we provide.
I noticed the MrCool Universal is not Energy Star Rated. I'm guessing it is not listed yet because it is new? Are there plans to get it Energy Star rated? What is the process in order to do so?
I live in Los angeles and If I install the AC unit outside where it will be exposed to intense direct afternoon sunlight heat, and rain, will it harm or cause early wear on the internal parts of the unit such as the copper tubing of the evaporator coil, and electrical parts?
How does your system (sequence of operation) on my heat pump there is a demand for heat outdoor air temp is 27deg. My system goes into defrost for five minutes in the meantime I use aux heat 15kw to maintain heat while my pump terminates defrost cycle, what is the sequence of your unit, does it have electric heat for defrost?
I use oil for heating my 1200 sq ft home. I’m in zone 7 and rarely get down to 0 F in the winter. I love the idea of getting rid of the oil furnace, tank and maintenance. The Mr Cool universal sounds great ! My concern is operating cost. I’m in Connecticut where we pay 22 cents/ kWh ! Am I going to save money versus oil when I switch to the Mr cool universal.
Thanks, Tom
The Universal we have installed in Grand Forks used about 2500 kWh for the month of January. So, whether or not you will save depends on how much you're paying for fuel oil.
I use a natural gas boiler to heat water through my radiators. The home was built in 1917, so there is no ductwork. What work would need to be done to convert to Mr. Cool?
The Universal is a traditional central air system, so it does require duct work. Adapting your home to the Universal would require installation of ductwork. Which would be expensive.
Do you offer install and maintenance support over the phone for the MrCool Universal Heat Pump and Air Handler system?
I live in eastern Iowa, and I have talked to an HVAC contractor almost willing to install the MrCool Universal system for my 1300 sf home, but they are hesitant because they are concerned if they have questions about the product during install or later on in years that they won't find good support for the product. So that leads me to ask my question. Thanks.
Living in Maryland the winter temperatures will dip below 32deg. With ordinary heat pumps that means as the temperature drops so does the discharge temperature from the heat pump causing us to use the electric heat to keep the temperature at 70-72. Is this the same with your units? What is the discharge temperature in relation to the outside temperature?
Thank you
The Universal can produce high discharge temperatures at outdoor ambient temperatures in single digits. We commonly see 20 to 25F air temperature rise even at 10F.
I have a Payne central heater model 120FAU-12 in a closet that is noisy. So, can I replace it with the 4/5 ton Universal Heat Pump by Mrcool? If so, what items would I need?
The Universal could be an effective replacement for a previous generation unit. Give us a call at 270-575-9595, and we can help you make sure you have everything you need.
Hi I'm Andy I live in Michigan I came across the house and unit you have in Grand Forks my question is the electrical bill he showed in the video is that just for the Mr.cool running or was they using the house and all amenities like tv microwave stove dishwasher ect. Second thing I'm highly interested in this stuff I burn with wood but like idea better may I get some more information on it and who can help me install one in central Michigan thanks andy
You could always replace them with newer, higher efficiency furnaces. If you're trying to get away from gas heating, a sophisticated DC inverter heat pump like the Universal is a real option for a lot of households.
do you HAVE one that has more seer, what about HSPF what is its rating? i have a 1200 sq ft manufactured home - new low E windows R21 in walls R30 in ceiling, R30 -n floor
I just ordered several MrCool Universals from Ingrams. Since I am in VT/NH I am looking to add a hydro-coil (Aquecoil) as the second stage (in place of electric coils as I have a boiler for the radiant floors and the existing hydro-air unit). Can I assume that the airhandler will operate with just the second stage when the outdoor condenser is not operating (its too cold/snow)?
thanks,
Steve
The MrCool Universal is not a two-stage air handler. Rather, it is a single stage that can be set for either 2 ton air flow or 3 ton air flow. What you are describing would constitute a dual fuel heat pump system. If the hydronic coil was located downstream from the refrigerant coil, then it would not need to be treated as dual fuel and the hydronic would be treated as auxiliary/emergency heat.
We live in PHX Az this week we are expecting a week of high temp from 114°-117° days and lows of 90° at night. Are these units able to cool in such hot weather?
Hi
Where I live the temp drops to 0 F.
Can below also work ?
MrCool DIY Whole Home 4 Room Ductless Mini Split Bundle
I intend to do it myself.
Thanks
Gil
