A Dorma BTS 80 floor spring typically costs about $400-$900 for the closer alone, while a professionally supplied and installed replacement commonly totals $900-$2,000. The final price depends on the exact BTS 80 configuration, door and floor conditions, labor rates, and whether the job requires new cover plates, adjustments, or concrete repair.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| BTS 80 closer unit | $400 | $650 | $900 | Price varies by model, supplier, and included accessories |
| Installed replacement | $900 | $1,350 | $2,000 | Assumes an accessible, compatible floor box |
| Labor | $300 | $550 | $900 | Usually 3-6 hours for removal, fitting, and adjustment |
| Repair or adjustment | $150 | $300 | $600 | For diagnosis and service without full replacement |
Assumptions: U.S. pricing for a standard commercial or heavy-duty entrance door, normal access, and no major concrete or door-frame reconstruction.
What a Dorma BTS 80 Replacement Usually Costs
For a complete replacement, a practical budget is $900-$2,000, with many straightforward jobs landing near $1,350. That estimate generally includes one BTS 80 floor spring, removal of the failed unit, installation in an existing compatible floor box, door adjustment, and a basic operational check. It does not assume extensive flooring, threshold, or frame repairs.
The closer itself commonly accounts for $400-$900. Retail listings and distributor quotes can fall outside that range depending on the exact model, finish, stock, and whether the package includes a spindle, cover plate, or other fitting parts. Confirm the full product designation before comparing prices; a BTS 80 variant or accessory package may not be interchangeable with another setup.
For initial budgeting, allow roughly $650 for the hardware and $300-$900 for professional labor and ordinary incidentals. Higher totals are plausible when access is difficult, the existing box is damaged, or the door needs substantial realignment. Low advertised hardware prices may exclude freight, sales tax, and parts needed to fit the closer to the door.
How the Floor Spring, Labor, and Fittings Shape the Quote
A replacement estimate should identify the closer unit separately from labor and site work. The table shows common U.S. ranges; the line items are estimates, not fixed manufacturer prices. A contractor may combine some tasks into one installation charge, so the written quote should clarify what is included.
| Quote component | Typical price | What it covers | Cost trigger |
|---|---|---|---|
| BTS 80 hardware | $400-$900 per unit | Floor spring body and specified configuration | Model, supply channel, included fittings |
| Removal and installation labor | $300-$900 per job | Door handling, removal, fitting, and initial adjustment | Heavy door, access, and crew requirements |
| Spindle, cover, and fittings | $40-$250 per set | Compatible finish pieces or connection hardware | Missing, worn, or mismatched existing parts |
| Floor-box or concrete repair | $150-$700 per job | Minor patching or preparation around the box | Corrosion, cracking, or poor prior installation |
| Delivery and disposal | $25-$150 per job | Freight, service-call materials, or old-unit disposal | Remote delivery or contractor disposal policy |
The largest quote items are usually the closer and skilled installation, not small trim parts. Ask whether the price includes taking down and rehanging the door, setting closing speed and latch action, and removing the failed spring. Verify whether floor repair is an allowance or an extra charge assessed after the old unit is exposed.
When labor is billed by time, a rough calculation is 3-6 hours at $100-$175 per hour, or about $300-$1,050 before parts. The final billed amount can differ because some installers use a minimum service charge or flat-rate pricing.
Door Width, Weight, and BTS 80 Model Details That Change Price
Door dimensions and weight matter because the floor spring must be suitable for the opening and its use. The BTS 80 family is intended for substantial doors, but the acceptable capacity depends on the exact model and installation configuration. Door widths around 47 inches and weights approaching 660 pounds are often cited for certain versions; these are not universal limits for every variant or application. Confirm the specific product data and door conditions with the supplier or installer.
A door near the model’s maximum rated width or weight may require closer checking, suitable pivots, compatible accessories, or a different solution. A quote should state the door’s approximate width and weight, the selected model, and the manufacturer’s applicable capacity. A low price for a unit that does not match the opening is not a useful comparison.
Other specifications can affect compatibility and materials cost. Single-action and double-action arrangements differ, as do hold-open requirements and finishes. If an existing cover plate, spindle, or pivot is damaged or incompatible, replacement parts can add $40-$250 or more. A special finish or hard-to-source component may also require additional lead time or a higher supplier price.
Matching the closer to the actual door and floor-box configuration can prevent a costly second visit. Before approving work, ask the installer to inspect the existing spring label if readable, measure the door, and check the pivots and box. A replacement that fits the existing pocket is usually less expensive than a job involving a new floor recess or changed door hardware.
How Long BTS 80 Installation Takes and What Labor Includes
A simple swap often takes one technician about 3-6 hours when the floor box is intact and the door can be removed safely. A heavy or wide commercial door may need two workers for lifting and control, increasing labor charges even if the actual fitting time remains short. Rates commonly run $100-$175 per hour for commercial door or hardware service, though metropolitan markets and emergency calls can exceed that range.
Typical labor includes protecting the work area, supporting and removing the door, extracting the old spring, checking the box, fitting the new unit, reconnecting the door, and adjusting its movement. The installer should test closing and latching several times. Work may take longer if the door sags, the pivots are worn, the spring is seized, or the unit is set in concrete that must be carefully opened.
Confirm whether the quote includes a site visit or diagnostic fee. A service call commonly adds $75-$200 when billed separately, and an after-hours or urgent dispatch can add roughly 25%-100% to the labor portion. If diagnosis leads directly to an approved replacement, some firms apply the service fee toward the job, but that policy should be confirmed in writing.
Door handling and adjustment are part of the labor value, not optional extras for a safe replacement. Ask whether the crew will bring the equipment needed to support the door and whether the quoted time includes final adjustment. A quote that prices only the spring swap may omit door realignment or testing.
When Floor-Box Damage Adds Repair Work
Removing the old closer can reveal corrosion, water intrusion, loose concrete, or a box that has shifted. Minor cleanup and patching may add $150-$300; more extensive floor-box repair or concrete work can add $300-$700 or higher. If the replacement pocket is not compatible with the existing unit, altering the floor can push the total above the ordinary $2,000 range.
Water is a frequent concern at exterior entrances. A leaking threshold or poor drainage can damage a new spring, so the installer may recommend sealing or correcting the source. Basic sealing may cost $50-$200 when included in a service visit; replacing threshold components or repairing surrounding flooring is typically priced separately.
Old doors can also have worn pivots, damaged bottom rails, or alignment problems that mimic a failed closer. Replacing a pivot or related fitting may add $100-$400 depending on parts and labor. If the door leaf itself needs repair, get a separate itemized price rather than assuming the closer quote covers it.
Request approval before concealed floor damage becomes extra work. A useful estimate states the planned replacement price and gives a written allowance or hourly rate for hidden repairs. Photos of the exposed box help document why a change order is needed.
Regional Labor Rates and Delivery Can Shift U.S. Prices
Regional differences affect both the service rate and the availability of the BTS 80. In major coastal cities and high-cost metro areas, installed pricing can run about 15%-30% above a comparable small-city job. Suburban markets often sit near national midrange, while rural locations may have lower hourly rates but higher travel or delivery charges.
For a straightforward replacement that might cost $900-$1,500 in a lower-cost market, a dense metro quote could reach $1,100-$1,950 without any change in hardware. Remote projects can also rise by 10%-25% if the contractor must travel a long distance or arrange special freight. These percentages are planning estimates; local quotes vary with labor supply, taxes, and distributor stock.
Commercial door specialists may charge more per hour than general handyperson services, but they are more likely to identify compatibility issues and set the closer correctly. Ask for the same scope and model in each quote, including travel, disposal, and parts. A lower hourly rate does not necessarily produce a lower total if the job takes longer or requires a return visit.
Compare total installed prices by scope, not by the hardware line alone. Two quotes are comparable only when they specify the same BTS 80 configuration, fittings, door handling, adjustment, warranty terms, and treatment of hidden damage.
Repairing the Existing Spring Versus Replacing It
A service visit for adjustment or diagnosis commonly costs $150-$300. Minor corrections, such as adjusting closing speed or checking alignment, may stay near the lower end if no parts are needed. A repair involving seals, fittings, or other parts can reach $300-$600, and parts availability may limit what can be repaired economically.
Replacement is often more practical when the spring leaks oil, no longer controls the door, has a damaged body, or repeatedly fails after adjustment. A new unit can cost $400-$900 before labor, so a repair quote near $500-$600 deserves comparison with a complete replacement estimate. The best choice depends on the condition of the box, compatibility, and whether the faulty part can be serviced.
Do not assume a door that slams needs a new spring. Misalignment, worn pivots, a dragging threshold, or incorrect adjustment can produce similar symptoms. A qualified inspection can distinguish an adjustment problem from a failed hydraulic mechanism. Avoid forcing the door or attempting to alter a floor-mounted spring without proper support; the door’s weight and stored mechanical forces can create safety risks.
Use the diagnosis and repair price to compare the remaining service life against replacement cost. If the existing unit is sound and only needs adjustment, a modest service charge may avoid a larger bill. If it is leaking or structurally damaged, repeated service calls can make replacement the more predictable expense.
Ways to Keep a BTS 80 Installation Quote Under Control
Start by confirming the exact model and configuration before requesting prices. Provide the door’s width, approximate weight, single- or double-action operation, photos of the floor box, and any readable product markings. This helps suppliers quote compatible hardware and gives installers a clearer idea of whether the job is a simple swap or a repair project.
Compare at least two or three itemized estimates with identical scope. Check the unit price, labor hours or flat fee, fittings, service call, delivery, disposal, taxes, and warranty. If one quote is substantially lower, ask whether it excludes door removal, adjustment, or floor repair rather than treating the lowest total as automatically equivalent.
Where practical, schedule the work during normal business hours and allow time for standard parts delivery. Emergency service, weekend work, and expedited shipping can add 25%-100% to affected charges. If multiple doors at one property need service, bundling visits may reduce travel or service-call costs, though each door still needs its own compatible hardware and adjustment.
Keeping the existing floor box and door hardware in usable condition is usually the strongest cost-control measure. Do not pay for premium finishes or accessories unless the site requires them, but avoid selecting a lower-rated spring solely to save on the unit price. The closer must match the door and usage, and installation should include safe handling and functional testing.
Before approving the job, request a written limit for unplanned repairs and a call for approval before work exceeds it. Ask whether the old spring will be returned or disposed of, whether the new unit has a manufacturer warranty, and whether labor is covered if the door needs adjustment after installation. These details make the final expense easier to compare and budget.