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ASI's Learn About Different Types of Residential Control Thermostats
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Also see Air Conditioning above
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There are three basic types of thermostats to understand...
Mechanical Thermostats
Mechanical thermostats come in a variety of styles and types and can be used for heat only or for heating and cooling and some models come with multiple stages of heating and cooling.
Mechanical thermostats are usually not able to switch from heating to cooling automatically, this is called an auto changeover while models with a separate set point for heat and cool usually will if set to auto.
Today with the low cost of digital thermostats it no longer makes sense to buy a mechanical thermostat and the fact they many have mercury in them makes it worth while to replace them.
Digital/Electronic Thermostats
Electronic and digital thermostats are much the same thing and have a digital LCD (liquid Crystal Display) temperature and set point display. Some are little more than digital version of a mechanical thermostat but most have additional features and capabilities such as auto changeover.
Digital thermostats are not programmable in most cases and usually support both heating and cooling. They also can be designed for either single stage or multiple stages of heating or cooling. In either case you need to be certain that the thermostat is compatible with your heating and cooling system.
Programmable Thermostats
Programmable thermostats have all the options of their digital sisters above but they allow the user to set a pre-determined timed setting using a built in clock and a little bit of memory. They come in options such as 7 day or 5+2 day as well as 2 and 4 periods.
Each can be programmed to change the temperature set point at a given point in time. The 7 day mode;ls allow each day to be programmed separately while the 5+2 day models are set up for weekday and weekend only. The number of periods determines how often you can set or change a set point at any given time.
For All Thermostats
To ensure proper operation, the thermostat should be mounted on an inside wall as near as possible to the return air grill and about five feet above the floor.
You want to avoid the following locations: Behind doors or in corners, in direct sunlight, where radiant heat from appliances such as a printer or computer might affect control operation, on an outside wall, near any air supply registers or near any outside doors and windows.
ASI's HVAC and Home Improvement Articles HVAC Contractor Air Conditioning Refrigerant Rip Off One of the more common things we see are air conditioning systems that have been overcharged with refrigerant. This common rip off is usually done when you call for a simple maintenance service and they... HVAC Heating Air Conditioning Capacitor Rip Off Another common practice by dishonest contractors is to replace a simple small part that many times is not necessary. The capacitor is one of those parts that is relatively inexpensive... The Geo-Thermal System Explained in a Nut Shell Geothermal is by far the highest efficiency heating and cooling system available today. While the systems require up to three times more investment upfront than a conventional heating and cooling system... Ameri-Serv, Inc. Heating and Cooling News Ameri-Serv Inc Helping the Treasure Valley Community Ameri-Serv, Inc. Heating and Cooling has successfully helped dozens of Treasure Valley Families with thousands of dollars worth of free maintenance services and repairs through this holiday... |
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ASI's Cooling Related Articles
  What
should I Look for Before I call for services on my air conditioning
system? The number one issue we find on air conditioning systems is
clogged filters. First look to see if your air filter is clean and not
clogged up, if it is clogged change the air filter and try your system
again but keep in mind with the air conditioning system running with a
clogged air filter you could have also iced up your indoor coil due to
low air flow.
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  Why
does my Air Conditioning run all day in hot weather? Assuming this is
not a new symptom... this is a common complaint and can be attributed to
two possible things. The first is that your system may have been
designed correctly to meet the latest energy codes to perform at the
highest efficiency. The other possibility is that it was not designed at
all or was not sized properly in the first place. |
  Things you can do to maintain your air conditioning system. You can keep the outdoor air conditioner clean. You can
vacuum out the inside of the unit and get all those leaves and stuff
out. On most units you can gain access through the service panel. Be
sure the power is off before opening the panel. Be careful not to knock
off any wires and do not hit the coil as you will cause permanent
damage.
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  In
the case of the thermostat calling for cooling the thermostat switches
on the power from the “R” or in some cases the “RC” terminal which is
the 24 volt power source to the “Y” terminal on the thermostat which is
in essence the call for cooling. These terminals are located on the back
or on the wall mounted face plate of the thermostat. All the wires
connected to the thermostat will usually always go directly to the
furnace and another set of wires will then go out to the outdoor air... |
ASI's Best Selling Thermostat
Recommended for York systems, this is the only thermostat that integrates with home automation systems and comes with great features built in.All Venstar Thermostats come with the following standard features:
*3 configurable outputs for maximum flexibility (except T1700)
*Heat pump compatible
*Backlit, color-coded keys and legends
*Large, easy to read backlit display
*Configurable programmable or non-programmable *Configurable manual or auto changeover and much more
T1900 Series
*All of the Venstar T1800 Thermostats feature the following;
*Programmable output
*Built in humidity module
*Can average with 1 remote sensor
*Dual fuel capable
*Reheat capable
*Dry contact equipped
*Drain pan alert ready
*Energy watch
*Energy-Star rated
T1800 Series
*All of the Venstar T1700 features
*7-day programmable
*3-Heat/2-Cool
*Controls to, or monitors a 2nd sensor
*3-configurable outputs
*Hi/Low outdoor temps of the day
*Programmable fan
*Accepts humidity module
*Energy Save
*Energy-Star rated
T1700 Series
All of the Venstar standard features
1-Day Programmable with up to 4 time periods
Auto changeover 2-stage heat, 1-stage cool for use with gas/electric, heat pump, electric & hydronic heat
Breaking News: The Cost to Repair your old Air Conditioner just Skyrocketed
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ASI is Locally Woman Owned and Operated ~ Fully Licensed, Bonded & Insured ~ Idaho HVAC License C10036
13601 W McMillan Rd Suite 102-120 Boise, Idaho 83713 Office (208) 342-4328 Fax (208) 906-1282
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Copyright 2011. ASI Heating and Cooling a Division of Ameri-Serv, Inc. All rights reserved
13601 W McMillan Rd Suite 102-120 Boise, Idaho 83713 Office (208) 342-4328 Fax (208) 906-1282
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Copyright 2011. ASI Heating and Cooling a Division of Ameri-Serv, Inc. All rights reserved