Have you considered adding a zone system?
If you are living in a two story home with a single heating and cooling system with the thermostat downstairs, I be you are experiencing temperature differences of about 5-8 degrees between the upstairs and the downstairs rooms. A zone system may just be your solution. And with new products on the market from all the major thermostat manufacturers, it is getting easier every day. The new WiFi thermostats mean you do not have to run wires through existing walls. The zone board can be connected to a WiFi transmitter right near the equipment and then you can mount the thermostats in just about any room you would want. Now the upstairs can be controlled independently from the downstairs so there is not more running up and down the stairs to adjust the temperatures.
Below is the Honeywell RedLink WiFi zone system.
Watch my video on zone systems
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The problem with the typical central home AC is you have to cool the entire home it’s like having just one switch that turns on all the lights.
This was ok 20 years ago when we were paying like $0.004 per Kilowatthr…But now in Fresno Ca Pacific Gas And Electric is charging over $1 per peak KWH!!
Mini split AC systems and so called Ductless units are being promoted but they cost 3 to 4 times as much as a cenrtal system per ton.
It is way better to use smaller packaged air conditioners AKA window ACs but to mount them outside of a window so you do not see or hear them.
Using soud damping material in flexable ducts or ridgid ducting will allow these not to be heard from inside a room…this is perfect to cool a bedroom on hot summer nights to a cool 75F for about $1 a night
When so mounted there is a clear advatage as you just turn on the zone you are in. Window ACs can be bought from discount Ebay seller for a low as $200 per ton of cooling…or 12,000 BTU
The best part of using this approach is:
1- You never have to replace your old central AC for over $10,000 as is a typical high SEER AC system upgrade
2- If a single smaller zone AC unit fails it can be replaced for about $200 and you do not to hire a HVAC contractor to put the new on in.
3- On those rare super hot day ( like we just had at 112F in Tucson) you can turn on the old central AC until the smaller zone units can take on the cooling load.
4- If you have a typical solar power system it should be able to power 3 to 4 smaller zone ACs . The typical home solar power system is not able to run a 4 ton central AC unit
You can solve that problem with zone damper system by Honeywell. installing dampers at the air handler for each zone then running a thermostat to each zone will improve the dynamic cooling requirements of each zone and is a lot less expensive than buying and retrofitting all those window units. Visit us at www.raleighheatingandairservice.com/articles to learn more.
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