- Heating & cooling
- 4 program periods per day
- Weekdays & weekends can be different
- Pre-programmed
- On screen programming
- Easy to use program dial
- On screen low battery indicator
- Vacation hold
- Temporary override
- Compatibility: All 24 volt systems, low voltage electric heating, gas heat, oil heat, electronic ignition systems, millivolt systems
- Not for use on: 2 stage heat pump systems, 3 wire hot water systems, 120/240 line voltage systems
- Can be used with heat/cool, heat only or cool only systems
*Orders shipped to stores in Alaska and Hawaii will receive a 70% shipping discount.
30-Day Return Guarantee
We want you to be fully satisfied with every item that you purchase from www.acehardware.com. If you are not satisfied with an item that you have purchased (excluding Gift Cards and gas-powered outdoor equipment*), you may return the item up to thirty days after the original purchase date to receive a store credit (less shipping, handling and other charges). We recommend that you make returns of online purchases to an Ace retail store near you which will issue your store credit. If you do not have an Ace retail store near you, please contact a Customer Service Specialist by calling 1-866-290-5334 for complete return instructions. Please refer to our Return Instructions for more information about returning a purchase.
The item must be returned in good condition, in original boxes (whenever possible), and with all paperwork, parts and accessories to insure full credit. After 30 days, please contact the manufacturer directly.
*Gas-Powered Outdoor Equipment cannot be returned once gas or oil has been put in it, even if the Equipment has been drained of these materials.
What people are saying
REVIEW SNAPSHOT®
by PowerReviewsPros
- Easy to install (9)
- Easy to adjust (8)
- Simple controls (4)
- Intuitive controls (3)
Cons
Best Uses
- Home (6)
- Reviewer Profile:
- Homeowner (5)
Most Liked Positive Review
Very Good Inexpensive Unit.
Anyone who can read and use a screw-driver can probably install this unit. You mount the back to the wall, hook up the wires to the back plate (Mine uses two), install the...Read complete review
Anyone who can read and use a screw-driver can probably install this unit. You mount the back to the wall, hook up the wires to the back plate (Mine uses two), install the batteries and program the unit while on the couch, and then click it on to the base.
The limitation I mention is that you get 2 AM times, and 2 PM times, not 4 whenever times. This works if you go to bed at 10PM. I set ~mine~ so my first AM is turn down after midnight, and my second AM is up at wake-up time. But hen I cant turn the heat down again until lunchtime, the first possible time, at 12:00PM. And Programming is in intervals of 15 minutes only.
It also has a lock feature. If you 'lock it' and lose the instructions, you might get upset like another reviewer did. But it'd be your own fault...
All in all, good for standard purposes.
VS
Most Liked Negative Review
Terrible
terrible, thermostat is locked, and won't un lock... tempature is stuck at 83 degrees in Houston summer heat, you're better buying a fan and a bucket of ice.
terrible, thermostat is locked, and won't un lock... tempature is stuck at 83 degrees in Houston summer heat, you're better buying a fan and a bucket of ice.
Reviewed by 10 customers
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Displaying reviews 1-10
Pros
- Easy To Adjust
- Easy To Install
Cons
- Certain Limitations
Best Uses
- Homes
- Offices
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
Anyone who can read and use a screw-driver can probably install this unit. You mount the back to the wall, hook up the wires to the back plate (Mine uses two), install the batteries and program the unit while on the couch, and then click it on to the base.
The limitation I mention is that you get 2 AM times, and 2 PM times, not 4 whenever times. This works if you go to bed at 10PM. I set ~mine~ so my first AM is turn down after midnight, and my second AM is up at wake-up time. But hen I cant turn the heat down again until lunchtime, the first possible time, at 12:00PM. And Programming is in intervals of 15 minutes only.
It also has a lock feature. If you 'lock it' and lose the instructions, you might get upset like another reviewer did. But it'd be your own fault...
All in all, good for standard purposes.
Pros
- Easy To Adjust
- Easy To Install
- For the first time using
Cons
Best Uses
- Homes
- With wall furnance
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
For the first time using a programmable thermostate this was very easy to install and program after replaceing an old mercury bulb thermostate.
Pros
- Easy To Install
Cons
- Screen Locked
Best Uses
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
terrible, thermostat is locked, and won't un lock... tempature is stuck at 83 degrees in Houston summer heat, you're better buying a fan and a bucket of ice.
Pros
- Easy To Adjust
- Easy To Install
Cons
Best Uses
- Homes
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
It does not stick off or on like the old bi-metal spring types.
Pros
- Easy To Adjust
- Easy To Install
- Intuitive Controls
- Precise Controls
Cons
- Can't be in heat and cool
Best Uses
- Homes
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
This would be the best and most cost effective unit if it were not for one thing - in the Spring or Fall, it cannot be on both heat and cool mode, so if it is 85 degrees during the day and 50 degrees at night, you can't have it cool during the day and heat during the night - it can only be in one mode at a time. This is a major disappointment.
Pros
- Easy To Adjust
- Easy To Install
- Precise Controls
Cons
Best Uses
- Central Controls
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
I purchased and installed two of this model 9 years ago (4200 sq ft house - 2 heat & A/C units) and have never had a problem until now. One of them is acting up and I am going to replace it with the same item.
Pros
- Easy To Adjust
- Easy To Install
Cons
Best Uses
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
We've bought 3 units, and 2 of them went up in smoke within 10 minutes of using. On the working unit the heat/ac switch keeps getting burnt, but it's still usable.
Pros
- Easy To Adjust
- Easy To Install
- Intuitive Controls
- Precise Controls
Cons
Best Uses
- Homes
- Large Rooms
- Small Rooms
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
The instructions do not cover all the possible wirings of older systems. But with a little experimentation it was easy enough to figure out. Will replace the other thermodstats in the house with the same model.
Pros
- Easy To Adjust
- Easy To Install
- Intuitive Controls
- Precise Controls
Cons
Best Uses
- Homes
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
So far so good, easy to program and override.
Comments about ACE HARDWARE Ace® 4 Program Programmable Thermostat:
VERY happy with this thermostat; in fact, replacing some other brands in our other zones with this model!
Displaying reviews 1-10





