How A lot Does Thermostat Substitute Value? (2022) – Bob Vila

Thermostat Replacement Cost


  • Typical Vary: $113 to $255
  • Nationwide Common: $175

A thermostat is a software most individuals don’t take into consideration fairly often till it stops functioning correctly. Typically a house’s resident turns into conscious of the issue once they get up to see their breath in entrance of their face or are shocked by a abruptly spiked vitality invoice. Extra usually, although, home thermostats slowly develop into much less and fewer correct over time, and vitality invoice prices creep progressively up with out residents’ realizing that it’s not simply the price of vitality that’s going up however the quantity they’re consuming. That’s why it’s a great plan to interchange thermostats periodically: As new applied sciences evolve, new sorts of thermostats supply owners simpler and extra correct methods to maintain a house at a cushty temperature with out spending a bundle.

Luckily, thermostat costs and the price of new thermostat set up are decrease than one would possibly count on—low sufficient that many owners could be kicking themselves for not changing theirs sooner. With Angi and HomeAdvisor reporting a typical price vary between $113 and $255 nationally, it’s a small restore job that may save some huge cash in the long term. Home thermostat substitute can generally be a DIY job for somebody who’s conversant in the kind of wiring concerned, however errors will be expensive, so it’s usually a good suggestion to name in knowledgeable, whose help received’t price way more than the thermostat itself. There are a variety of issues that can have an effect on the entire price of thermostat substitute, so understanding the assorted elements of the fee will assist owners select what sort of thermostat to purchase and determine whether or not or to not rent knowledgeable. So how a lot does it price to interchange thermostats?

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Components in Calculating Thermostat Substitute Value

The fundamental components of thermostat substitute price are the thermostat itself and the labor price to put in it. There are fairly just a few several types of thermostats when it comes to how they operate, and as with all residence merchandise, there are some manufacturers that price greater than others, both due to identify recognition or due to the ensures they supply. So the sort and model will have an effect on the price of the precise unit. Labor is a further price, and earlier than anybody skips previous that issue considering “I can simply do it myself,” it’s price noting that some municipalities classify thermostat substitute as a job that requires allowing, as a result of it impacts a whole-house system. If that’s the case, it may be a lot much less of a trouble to rent a professional to do the work and get the allow permitted than to DIY. For that reason it’s vital to look into native laws earlier than beginning the challenge.

Thermostat Kind

Whereas thermostats was once easy dials on the wall {that a} resident might twist to regulate the temperature, the vary of choices is now a lot broader. These fundamental handbook thermometers nonetheless exist and are probably the most budget-friendly choices accessible, however it’s an awesome concept to interchange previous thermostat with digital. Digital thermostats present digital shows and are available programmable and nonprogrammable variations, together with sensible variations that may be built-in into a wise residence system. Some thermostats don’t even should be wired in; they’ll management the heating and cooling via Wi-Fi. Fundamental handbook thermostats can price as little as $15, whereas high-end sensible thermostats can run as a lot as $300 or extra.

Thermostat Model

Whereas it’s extra vital to decide on a thermostat that meets the present demand of the house’s heating and cooling programs quite than one identified for its model, it may be simpler to tie a brand new thermostat into an present system if the brand new thermostat is similar model. That mentioned, the properties of the thermostat itself are a very powerful a part of selecting one, so it’s vital to learn the packaging fastidiously to decide on the one which’s most acceptable. Some identify manufacturers price a bit greater than others as a result of they provide completely different ranges of service or guarantee, whereas others have partnered with different corporations to mix companies (comparable to Amazon’s Alexa, the Google Assistant, or Apple House). Quite than making their choice based mostly on a recognizable thermostat model, owners will wish to decide which kind of thermostat is finest for his or her particular wants, determine which specs it must have, after which learn the packaging to pick the perfect, most cost-effective choice.


The price of labor varies regionally and seasonally, so this element of the fee will rely upon the situation of the house and the time of yr the work is being performed. It should additionally rely, to an extent, on whether or not the thermostat substitute is a deliberate job or an emergency job throughout a chilly snap or warmth wave. Even so, because of the usually low price for this service, it’s uncommon that somebody would suppose “They need how a lot to put in a thermostat?” when introduced with a job estimate. Electricians often cost between $65 and $100 an hour, and this job will usually run between 1 and three hours relying on the complexity of the thermostat and the set up. In some instances, a professional handyman can do the set up, which could price a bit lower than a licensed electrician.

Thermostat Replacement Cost


Further Prices and Issues

Whereas the fundamental choices—which kind to purchase and who will set up it—could appear easy, there are just a few different components to bear in mind when owners are getting ready for a thermostat substitute challenge. Making these decisions earlier than the challenge begins can forestall expensive modifications as soon as the challenge is underway.

New vs. Substitute

Does the thermostat should be changed, or does the system want a very new thermostat? And what’s the distinction? If the prevailing thermostat is related to the entire mandatory heating and cooling units and the wiring is as much as code and in nice form, the thermostat unit can merely get replaced with a brand new one. If, however, a brand new heating or cooling system has been put in because the authentic unit was put in, it’s potential that the wiring isn’t ample to deal with the work that the thermostat must do. The residents additionally could also be lacking out on management choices as a result of the previous thermostat doesn’t help these capabilities. In these instances, a very new thermostat with new wiring could be mandatory. This will add some labor time to the set up, as a result of new wiring will should be run via the wall. Additionally, if the HVAC unit was put in by one of many best HVAC companies, homeowners could select to work immediately with that firm quite than hiring one other skilled, as the unique installers shall be conversant in the system.

Thermostat Relocation

Maybe the thermostat within the hallway is strictly the place that new piece of paintings ought to go. Or possibly it interrupts the one open wall within the eating room. Some residence reveals will counsel hanging a canvas print in entrance of the thermostat, however the thermostat’s job is to sense the temperature and alter it accordingly, so blocking a room’s air from reaching the sensor isn’t an awesome plan. So long as a home-owner is changing the thermostat, they might think about shifting it to a extra handy location. This is usually a large challenge or a small one: If there’s sufficient slack within the wiring, it may be so simple as chopping a brand new gap within the drywall, putting in a junction field, and working the wires there to hook up with the brand new thermostat. If new wiring must be run to the brand new location, the expense shall be better to cowl the time and mandatory supplies. But when the location of the thermostat has been an irritation for a very long time or prevented that large bookcase from shifting to that wall, it’s a great funding. Thermostat relocation can price between $65 and $450.

House Repairs

Sometimes, the wall round or behind the thermostat could require some repairs. That is extra doubtless if the thermostat has been relocated, during which case the drywall on the previous web site will want patching, sanding, and portray. In different instances, the brand new, compact thermostat could be smaller than the older, clunkier mannequin, so repairs might include matching a trim piece or patching and portray only a bit to cowl the realm the brand new unit leaves seen.


If the HVAC system is able to multi-zone protection however the present thermostats aren’t situated appropriately for these zones, this can be a possibility so as to add extra items to take full benefit of the programming choices a multi-zone system gives. The price of including items shall be just like the price of including a brand new particular person unit, with some extra labor time, because the wiring for the brand new items is tied into the multi-zone system.

Upgrading to a wise thermostat? This might be a great time to contemplate planning a wise residence system. Selecting equipment and apps to handle a wise residence system in the course of the set up will make it simpler to progressively add elements of a wise residence system which can be appropriate, quite than attempting to compile a bunch of various programs collectively later. Amazon Alexa, the Google Assistant, Apple House, and several other residence safety corporations supply units and apps that hold every part in a single place.

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Equipment Thermostat Substitute

Some home equipment, comparable to water heaters, dishwashers, ovens, and laundry home equipment, have inner thermostats that regulate the temperature and defend each the home equipment and the protection of the house and its residents. The precise thermostat module isn’t often very costly, however usually these aren’t DIY installations. The thermostats will be hidden deep inside the equipment in areas that needs to be accessed solely by somebody who actually is aware of what they’re doing. In these instances, the labor will price way over the half—for instance, a water heater thermostat substitute can price between $100 and $300, whereas the half prices solely $20.

thermostat installation

Substitute Value by Kind of Thermostat 

The kind of thermostat is guided by two components: the kind of HVAC system that it’s going to management and the desire of the person. Thermostats will be fairly easy or very sophisticated, able to actively scheduling a number of zones of heating and cooling at completely different occasions of day. The best home thermostat shall be completely different for every home-owner; there’s no want to decide on a thermostat that’s extra complicated than what is required, though in some instances choosing one thing greater than the fundamental choice could make heating and cooling a house a lot simpler and extra environment friendly.

Handbook Thermostat

These thermostats are the old style variety: A dial or lever is manually adjusted to level to a quantity on a dial to pick the specified temperature. They’re easy, they don’t have plenty of components to interrupt, they usually final for a very long time. Some houses have only one handbook thermostat to regulate the warmth and cooling for all the residence, whereas others might need one upstairs and one downstairs. Whereas these are easy and many individuals like them as a result of they’re simple to make use of, they’re progressively being phased out. As they’re not digital, the air temperature is measured by a bodily mercury thermometer. As a result of mercury is poisonous, these thermostats aren’t in large use anymore because the business is shifting towards digital measures, however many individuals swear by the mercury thermometer and can buy them when given the choice. Handbook thermostats run between $15 and $35.

Nonprogrammable Digital Thermostat

Nonprogrammable digital thermostats are similar to handbook thermostats besides that as an alternative of utilizing a bulb of mercury, they use digital sensors to measure the air temperature in order that they know when to set off the heating or cooling system to activate. As well as, digital thermostats have a digital show, making it simpler to set the temperature to a selected diploma. Nonprogrammable thermostats don’t have any further bells and whistles, however they get the job performed with out the complication of programming or setting occasions and deliberate temperatures. The best nonprogrammable electronic thermostats are pretty inexpensive, costing between $20 and $50.

Programmable Digital Thermostat

Costing between $20 and $150 for fundamental fashions, however stretching to $350 for internet-connected variations, these thermostats allow customers to set the temperature at particular occasions over the course of every week. For instance, customers who work exterior the house in the course of the week can set their warmth to a cushty 70 levels within the mornings and evenings on weekdays and all day on the weekend, scheduling the set temperature to drop to 65 whereas they’re at work in the course of the week. This focused schedule can considerably cut back heating and cooling prices and cut back put on on the HVAC system by not straining it because it heats or cools when there’s no person residence. Web-connected fashions could also be simpler to program utilizing an app, however the less complicated fashions simply require urgent just a few buttons whereas biking via the week.

Wi-Fi Thermostat

Wi-Fi thermostats are a variation of programmable digital thermostats. They price between $100 and $350 and connect with the house’s Wi-Fi community. It may be slightly difficult to attach them to the community, however as soon as they’re connected, they make the preliminary programming and changes a lot, a lot simpler, even for customers who aren’t notably tech-savvy. So if a home-owner has the air-conditioning set to 80 as a result of they’ve been away for the weekend, then notice they’ll be residence early and wish to cool the home down earlier than they arrive, they’ll go browsing to any internet-connected laptop or their smartphone app to shortly alter the popular temperature, and will probably be pleasantly cool by the point they get residence.

Good Thermostat

Good thermostats are just like Wi-Fi thermostats in that they join via the house’s Wi-Fi system and will be managed via a smartphone app. Nevertheless, these thermostats can study the person’s preferences and can mechanically start shifting the settings. So, because the seasons change, the system could discover that the person is manually adjusting the warmth slightly larger or decrease at a sure time of day and mechanically alter the scheduled setting to accommodate the person. These can price between $100 and $500; if the person is including a whole-home sensible system, the extra equipment to regulate lighting, locks, HVAC, and home equipment can price round $1,000 whole. Nevertheless, sensible thermostats can save customers roughly 10 % to fifteen % on their vitality payments over the course of a yr, considerably offsetting the price of the costlier unit.

Thermostat Replacement Cost


Do I Want a Thermostat Substitute?

With a wholesome thermostat, the warmth activates when it feels chilly and turns off as soon as the house has warmed up. The home is usually cool within the hotter climate, besides when it’s actually sizzling out and the system has to work slightly bit. What are the indicators of a foul thermostat that must be changed? There are a number of. Typically it’s a easy want to interchange a battery on thermostats that haven’t had a brand new one shortly, but when the issue is any extra complicated, it wants consideration instantly.

Brief-Biking System

A house owner could discover that the HVAC system clicks on, runs for a second, then clicks again off. That is referred to as short-cycling, which suggests the system has sensed that it’s too heat or too cool, switched on, then develop into confused in regards to the temperature and turned again off. Most thermostats have a cushion across the temperature, so if the person units the warmth for 70, it received’t flip again on till the temperature has dropped to 67 or so. When the unit is short-cycling, it’s unsure when to show again on, so it’d restart at 69—however then it is going to return down after reaching 70 a second later. That is powerful on the system and the wiring, and it’s usually an indication that somebody wants to try the thermostat or substitute it. Whereas some individuals would possibly put this off if the necessity for air temperature management isn’t rapid, the harm the fixed flicking on and off may cause to the HVAC system is critical, and it’s virtually actually inexpensive to interchange the thermostat than pay the cost of a new furnace. Full HVAC unit replacement cost will be very excessive, so if the thermostat is inflicting this drawback, the home-owner will wish to name for service promptly.

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Unresponsive System

Customers would possibly hear a click on when the thermostat alerts the system that it’s time to start out up however not hear the push of furnace or air conditioner noise, and the house doesn’t start to warmth or cool. This will generally be a easy blown fuse or a wire that’s pulled out of place, or an issue with the HVAC unit itself that merely requires HVAC service cost, however it might even be that the thermostat has ceased to work correctly and must be repaired.

Inaccurate Temperature Readings

If a house’s residents hold strolling previous the thermostat considering “Wow, it’s sizzling in right here” and the temperature studying says it needs to be a lot cooler, then it’s potential the thermostat’s sensor has failed and must be changed. Past the plain discomfort an out-of-control thermostat may cause, it’s vital to get this checked out promptly, as a result of if the thermostat is simply too far off, the warmth might construct up within the system and develop into harmful, doubtlessly creating a hearth hazard. A great way to verify is to choose up a fundamental indoor/outside thermometer and set it close to the thermostat. If the readings are completely different, it’s time to interchange the thermostat.

Elevated Vitality Payments

Most individuals are pissed off when the primary electrical invoice for summer time air-conditioning reveals up and is almost double or when the oil or gasoline invoice displays excessive winter heating prices. Plainly vitality prices are at all times rising, so it’s simple responsible inflation as an alternative of a defective thermostat. Additional vitality consumption will be attributable to a short-cycling system or by a system that continues to be off for too lengthy and has to work further exhausting to catch up. A brand new thermostat can stability vitality use and, if the substitute is a programmable mannequin, can truly cut back prices considerably by utilizing the system extra effectively.

Fixed Temperature Fluctuations

When residents of a house discover themselves continuously placing on after which taking off a sweater as a result of the temperature retains shifting, there’s an issue someplace—trendy HVAC programs are designed to offer fairly constant temperatures inside just a few levels. If this isn’t the case, the issue might be within the thermostat, or it might point out an issue with the bigger system. It’s most likely finest on this case to have the entire system evaluated, and sooner quite than later, as an alternative of mechanically changing a thermostat that could be fantastic.

Thermostat Age

It’s extra widespread to discover a dangerous thermostat in homes that haven’t modified homeowners shortly. Most thermostats will be anticipated to work effectively for about 10 years. Whereas many will proceed to work past the 10-year mark, they received’t essentially work effectively, and extra trendy variations will present extra choices and extra correct measurements of the temperature. If the thermostat has been in place for a really very long time, the wiring might be previous and should should be changed as effectively, so an electrician may help do this safely.

thermostat installation

Thermostat Substitute: DIY vs. Hiring a Skilled 

Altering a handbook or nonprogrammable digital thermostat is a fairly easy job: Eradicating the previous thermostat, transferring the wires to the suitable terminals on the brand new one, and attaching it to the wall are all that’s actually required. A helpful home-owner with the suitable instruments and data can most likely do it fairly shortly. Set up will be barely extra sophisticated and requires slightly extra data, even for owners who’re assured they know how to install a programmable thermostat.

The issue is that, as with all wiring, it’s by no means sure what the previous thermostat is concealing behind its facade. What occurs if the previous thermostat has three wires and the brand new one solely has two terminals—or vice versa? What occurs if the earlier home-owner tried their hand at a substitute and the present proprietor discovers a random dwell wire taped to the again of the thermostat with tape? It’s one factor for a educated DIYer to alter out an easy gentle change, however the wires related to the thermostat are additionally related to a whole-house system that features a furnace and/or a cooling unit. Electrical shorts that consequence from poor wiring can destroy these costly items and result in an enormous substitute expense. If a home-owner is helpful and needs to open up the prevailing thermostat to see how issues look, that may be OK, but when there’s something out of the unusual or the home-owner is unclear about the way to proceed, searching for out an opinion from somebody licensed within the subject will assist defend the HVAC items and save just a few {dollars}. As well as, new thermostats or thermostats that should be moved are finest dealt with by professionals.

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Save Cash on Thermostat Substitute Value

Changing a thermostat is usually a comparatively cheap job, however there are methods to avoid wasting cash alongside the way in which.

  • Select an easier substitute thermostat. There’s no want to decide on a Wi-Fi or sensible mannequin if it’s not one thing you’ll use.
  • Think about a programmable or multi-zone thermostat. Whereas it may cost a little slightly extra on the outset, you’ll doubtless save sufficient within the first yr to greater than cowl the distinction.
  • Store round. As soon as you understand what sort of thermostat you need, worth store in shops and on-line to seek out one that matches the finances—however learn critiques and ensure it’s from a good model so that you just’re not changing it once more in 6 months.
  • Keep away from shifting the thermostat. Place the brand new thermostat in the identical location because the previous one, even when it’s not supreme, to save lots of on rewiring prices.

Inquiries to Ask About Thermostat Substitute

When a home-owner is hiring knowledgeable, the primary questions they ask will doubtless be in regards to the contractor’s expertise, licensing, and insurance coverage protection. After the home-owner is definite the professional is certified and guarded to do one of these work, they’ll ask particular questions in regards to the substitute itself.

  • What sort of thermostat would you suggest for my system and residential?
  • What are the potential prices related to this substitute?
  • What sort of surprises would possibly we count on?
  • Are there any extra tasks to sort out on the identical time?
  • Is that this the perfect thermostat for my present system and why?
  • Does your organization supply a guaranty on their work, and in that case, how lengthy is it and what does it cowl?
  • Do you supply financing?
  • What’s the finest temperature setting in every season to guard the lifespan of my system?
  • Are there any tax credit accessible for putting in a wise thermostat?


Many householders use their thermostat virtually on daily basis of the yr, relying on the place they dwell, so it’s vital that it fits the system in place and that it’s simple for the house’s residents to make use of successfully. Whereas there are plenty of decisions to make and an awesome variety of fashions on the cabinets, ultimately owners might want to select one which works for his or her specific scenario. These are a number of the questions we most frequently obtain about thermostat substitute tasks and their solutions to assist get the method began.

Q. How lengthy ought to a thermostat final?

Normally, thermostats ought to work successfully for about 10 years. They might technically operate for longer, however the effectivity and accuracy will dwindle over time.

Q. How do I reset my thermostat?

The reply to this query relies on the person mannequin of the thermostat. Among the many choices are to press a recessed reset button with a paperclip; set up the battery backward for a couple of minutes after which it reinstall accurately; or flip off the circuit breaker that controls the thermostat after which flip it again on. If you happen to can’t discover the handbook, search on-line for the mannequin quantity. Many can be found on-line.

Q. Do electricians set up thermostats?

Sure, and most frequently, they need to be putting in your thermostat. The dangers concerned with putting in it improperly are too nice to go away to probability until the substitute is a fundamental changeout and really easy.

Q. What causes a house thermostat to fail?

Most frequently, it’s merely previous age—mud and dirt can collect within the warmth launch vents and stick electrostatically to wiring. If the issue appears to be blocked vents, you may attempt cleansing or changing the face of the thermostat, as thermostat housing substitute price isn’t notably important. The wiring is often connected to the again. Different causes will be free connections, a failing energy supply or overheating, or a less-than-ideal placement that makes it operate much less effectively.

Q. How do I wire my thermostat?

Wiring a thermostat is way more complicated than wiring a lightweight change. You’ll discover white, yellow, and inexperienced wires, two purple wires, a blue widespread wire (which may also be brown or black), and an orange wire poking out of the wall—possibly. It’s not that it’s terribly tough to plug these wires into the proper receivers when you’ve threaded them via the again panel of the brand new thermostat; it’s what to do if the quantity or colour of wires and the quantity or colour of ports don’t line up that may trigger the difficulty. Hiring knowledgeable is often one of the simplest ways to go for that reason.

Q. Is it price it to interchange a thermostat?

The reply is nearly at all times sure. Thermostats aren’t costly to interchange, and a brand new mannequin will end in extra correct and environment friendly cooling and heating, a better interface to make use of for setting and programming, and certain a extra constant and comfy temperature within the residence. Plus, you’ll lower your expenses on vitality prices because of the extra environment friendly use of the HVAC system.

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