Security & low voltage
Security Intercom Installation Cost Calculator
Prices intercom installation, where the door station and the release need thinking about together.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditHow the calculation works
Hours times crew times rate, plus materials and the call-out. Installation is mounting and wiring the entrance station, running to the distribution point, installing the in-unit stations, and wiring the door release with its power supply. The release is where it ties into the door hardware, and that connection has to respect how the door works: an electric strike or a maglock each need the door prepared and, on an egress door, have requirements about free exit regardless of the intercom.
What moves the number
- Number of in-unit stations and the cable runs to each.
- Door release type and whether the door needs preparation for it.
- Whether a separate power supply and backup are needed.
- Weather exposure at the entrance station.
Where this one goes wrong
The door release has to leave exit free. Fitting an electric release that controls entry is routine, and fitting anything that impedes leaving is a life safety problem, so the exit side needs to work mechanically without power or electronics. On the entrance station, weather matters more than people expect: a station on an exposed entrance takes driving rain, and sealing the back box and the cable entry is what stops water tracking into it, which is a common failure in the first winter. Backup power is worth considering, since an intercom that stops in a power cut leaves residents unable to admit anyone.
Before you quote
- Ensure exit remains free mechanically, independent of the release.
- Seal the entrance station back box and cable entry against weather.
- Consider backup power so the system survives an outage.
Questions
About this calculator
Does an intercom door release affect getting out?
It must not. Controlling entry is the point; impeding exit is a life safety problem, so the exit side has to work mechanically without power or electronics. That is a requirement on egress doors rather than a design preference, and it constrains which release types are suitable.
Why do entrance stations fail in winter?
Water. An entrance station on an exposed door takes driving rain, and if the back box and cable entry are not sealed, water tracks in and corrodes the electronics. It is a common first-winter failure and it is prevented by a few minutes of sealing at installation.
Should an intercom have battery backup?
Worth considering, because without it a power cut leaves residents unable to admit anyone and, in a building relying on it for access, unable to receive deliveries or visitors. It is a modest addition and it is the difference between an inconvenience and a system that fails when it matters.
The formula
total = hours x people x rate + parts + call-out, then sales tax
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How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 8 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $115.
- Parts and materials ($). Enter your own figure; the page starts at $900.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 8 h |
| People needed | 1 |
| Labour rate charged | $115 |
| Parts and materials | $900 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $1,915 |
| Labour | $920 |
| Before tax | $1,915 |
| Sales tax | $0 |
About $1,915: $920 of labour, $900 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $58 | $1,459 |
| $86 | $1,683 |
| $115 example above | $1,915 |
| $173 | $2,379 |
| $230 | $2,835 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 8 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $115.
- Parts and materials ($)
- A money amount, starting at $900.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.