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Air-con running costs

gomeshelen

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Apr 26, 2018
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Helen Gomes
Just moved from an apartment into a 1700 sq ft 2 story home and, it's an absolute bit to keep cool. I can't be the only one. Would love to hear any tricks people use to cool their homes (foil on the windows, etc), and what everyone is paying in energy bills this time of the year.

We can't cool our 2 nd floor past 80 in peak hours, and we have to have the thermostat at 68 to do so. It's new construction, so there's no shade, but good insulation. HVAC tech are telling our landlord that it's fine.

We've got fans running, blackout curtains drawn all day, and the AC runs 24/7. I'm scared shitless of what our bill will be. Going to put foil on the windows like a tweaker tomorrow.

What aircon system do you use? And what does it cost you?
 

Scott W

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Evaporative cooling or "Swamp coolers" work great if your climate is hot and dry. Worth trying if the normal humidity in your area is 30% or less. Can be helpful at higher humidity but the greatest benefit is when the humidity is low.
 

Scott W

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Make sure the fins on your A/C are not bent too much and that the coils are kept clean. Much better efficiency and results.
 

CCWorks

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Close all air vents down stairs but the intake vent. That will force cold air to top floor
Remove the 1 inch fernus filter housing / holder and replace with a 6 to 12 inch filter harness. Doing this will give better air flow and filtration and reduce energy bill by reducing static pressure if you use a good partial filter...
 

kellyon

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kelly grin
I installed new ducted air conditioning system last year and I'm completely satisfied with its work. Specialists from a/c service here http://fonko.co.nz/heat-pumps/ducted-systems/ in Auckland, NZ helped me to choose the appropriate system for home and save money on installation. With this system I use less electricity and achieve lower power bills. Very convy
 

keep it clean

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Get blinds or thermal curtains for windows. I would say close off area leading to downstairs but this will cause another set of problems. Sounds like your system is on bottom floor or basement? It will have a hard time driving cool air to top floor. Being you rent and cant really do much to the home you can try these

Equalizer EQ2 Heating and Air Conditioning Register Booster

https://www.homedepot.com/p/100031683

Basically just a fancy fan.

If that fails honestly ide just throw in a window unit for 110 bucks. I know thats ridiculous in a new construction home. But so is trying to sleep in that heat.
 

MikeGaure

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where's the thermostat located? if downstairs you'll always struggle as it will be hotter upstairs than first floor level. thermostat will read downstairs temps.

a new unit ought too be able to cool below 80. either someone undersized the unit. i wouldn't block off vents but rather open all doors to allow better airflow.

domt keep adjusting thermostat especially during peak times it will do nothing. only time too
adjust is night and morning. i set ours much cooler at night and set warmer in morning. it makes it easier for ac. plus you can supercool your home at nice and it stays much cooler in day and its more efficient
 
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MikeGaure

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also dont you heavy pleated filters they restrict a lot of airflow. i know several ac company owners and they all recommend cheap see through filters and as long as it gets yearly service you wont have an issue