Update: This popular deal is still available
Costway has a
Select Air Conditioners on sale as listed below when you apply the corresponding coupon code at checkout.
Shipping is free.
Thanks to staff member
WakandaFlex26 for finding this deal.
Available (prices after corresponding coupon code)
:- Mini Split AC
- Portable AC
- Air cooler
- And more
Top Comments
There is great discussion about heat pumps and DIY installation in the FAQ of the r/heatpumps community on reddit [reddit.com].
In most states, you do not need to be a licensed HVAC contractor to install one of these systems and can still do it "on the books" by pulling an Owner-Builder permit. For example in California: https://www.cslb.ca.gov/consumers...rvi
R-410A is being phased out and R-32 is the primary replacement, so this system being on R-32 is not necessarily a bad thing. That said, most HVAC systems being sold in the US today are still R-410A so you might have some more challenges locating refrigerant and technicians willing to work with you. Generally, you need to have a dedicated set of tools for each refrigerant type.
All heat pump systems have a factory charge that corresponds to a certain line length. You only need to add more refrigerant if you have longer lines than what the factory charge is good for. I reviewed the documentation and was not able to find this information, but it should be printed on the label on the side of the unit.
This system is listed on neither the NEEP Air Source Heat Pump [neep.org] or AHRI Certification [ahridirectory.org] directory, meaning that its performance has not been validated by a third party source. This could mean that the efficiency is very poor, but it might be fine. However, Costway's website says that the unit has AHRI certification, so either they are lying or there is certification under whatever brand they are buying these units from and white labeling and they didn't bother resubmitting the certification under their own brand.
Here's the instruction manual if you don't have a Costway account yet: https://cdn1.costway.co
If you live in a cold climate (below ~5F in the winter), you are going to want something that uses vapor injection technology [youtube.com]. Typically these systems are branded as "hyper heat" or "extreme heat" and work quite well in low temperatures.
Feel free to DM me if you have any heat pump questions, happy to help out!
A lot of nay sayers nearly had me convinced that it would fail after 2 months and that it was a waste of time and money, but I think if you are reasonably intelligent when installing it and treat it as a semi-disposable unit, you can also be happy with it.
Only complaint operating it is that the auto function is basically useless. It will remain cooling 100% of the time and I manually stop it when I realize the room is more than 10 degrees cooler than the setpoint. I think I expected it to cycle on and off to hold a temp like a central AC, but it just runs the fan at a slower speed... which happens to be enough to still over-cool the room.
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211 Comments
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Im comparing it to a gree unit at 9,000 btu where the indoor unit is silent.
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I installed one myself, couldn't get the pressure to hold. Finally got someone to come out, and they quoted me $1,400 telling me it would take them 4 hours to fix. Long story short, bought some refrigerant online, fixed a kink and got it to work myself (in probably less than 4h being a complete newbie).
Feel free to DM me if you have any heat pump questions, happy to help out!
Kinda screwed bc attic and no central AC means my unit doesn't get below 85 degrees for 1-2 months a year. Windows open horizontally so I can't get a window AC. Portable AC means I have to section off my bedroom and spent $100+/mo to cool it to sleep. Ugh. Typically split AC in the $1,200 range or 230V, but for 120VAC and $500 I'd probably make the money back on electricity bill quickly
Works fine, but feels a bit more cheap than senville.
Not compatible with Sensibo which is a bummer.
R32 refrigerant is pretty much impossible to get, so you have to get the install right the first time — I recommend investing in a torque wrench to correctly torque the flare nuts.
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A lot of nay sayers nearly had me convinced that it would fail after 2 months and that it was a waste of time and money, but I think if you are reasonably intelligent when installing it and treat it as a semi-disposable unit, you can also be happy with it.
Only complaint operating it is that the auto function is basically useless. It will remain cooling 100% of the time and I manually stop it when I realize the room is more than 10 degrees cooler than the setpoint. I think I expected it to cycle on and off to hold a temp like a central AC, but it just runs the fan at a slower speed... which happens to be enough to still over-cool the room.
Works fine, but feels a bit more cheap than senville.
Not compatible with Sensibo which is a bummer.
R32 refrigerant is pretty much impossible to get, so you have to get the install right the first time — I recommend investing in a torque wrench to correctly torque the flare nuts.
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Kinda screwed bc attic and no central AC means my unit doesn't get below 85 degrees for 1-2 months a year. Windows open horizontally so I can't get a window AC. Portable AC means I have to section off my bedroom and spent $100+/mo to cool it to sleep. Ugh. Typically split AC in the $1,200 range or 230V, but for 120VAC and $500 I'd probably make the money back on electricity bill quickly
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