Quick Installation & DIY Guides

Upgrade Your Old Apartment Intercom: A Landlord’s How-To

March 30, 2025
11 min read

For landlords and property managers, an apartment intercom system is not a luxury but a security and tenant satisfaction enhancement. But most buildings continue to have old, poorly functioning systems that are a constant source of irritation and maintenance headaches. This is an all-encompassing guide that will take you through every aspect of replacing your outdated apartment intercom, including the signs that tell you it's time to get an upgrade, how to install it yourself, so that you can enjoy a more seamless, secure, and contemporary living experience for your renters.

Signs It’s Time to Upgrade Your Apartment Intercom

If your maintenance reports are a litany of complaints regarding grievance issues about intercom problem problems, then your system is most definitely on its deathbed. Recurring failures like ringing calls, unstable power surges, or units that just don't work anymore are more than infuriating; they're an indication of a breakdown within the system. The sheer cost alone of a series of service calls and the time-consuming search for ghostly components to get an existing building intercom operating again can quickly outweigh the expense of a new system. Further patch-up repairs merely amount to tossing good money after bad.

Aside from the maddening technical hassles, an old intercom also represents a significant security threat. Legacy audio-only systems will not allow video identification of visitors, so residents will be forced to blindly open up, increasing the chance of unauthorised entry exponentially. Additionally, older systems will not give useful access logs, so there is no electronic record of who is in the building and when, significantly impairing any investigation after a security breach. Such an absence of current security measures directly equates to resident peace of mind and protection for your property.

Within the competitive rental market environment of today, numbers of amenities, and ownership of an operational, in-date intercom system is no longer an added luxury, but an expectation. An inept or dysfunctional system not only devalues your real estate investment in the eyes of the tenant but is a deal-breaker for potential tenants and a incentive for current occupants not to renew. Growth in e-commerce growth also grew the outcry over package management issues; if your current intercom is causing delay in delivery, with packages stolen or lost, it is not serving a growing new function, and it needs to be replaced by an apartment intercom.

Cost-Benefit: Repairing vs. Replacing Your System

Where the issue arises is when a faulty intercom is greeted with a response to fix it. Cost-benefit analysis may end at the initial expense, but the actual cost of keeping an aging system is not just the repair being done, but the probable, unnoticed cost of eventual failure on other older parts. Swapping out one apartment intercom phone today doesn't prevent the central amplifier from croaking next month, which results in a series of "repairs" that are an open-ended, astronomical expense with no terminus.

The upfront expense of an entire replace apartment intercom can definitely be costly, like new hardware, professional installation, and perhaps monthly service fees for additional cloud-based feature set. These charges could be rather significant, from several hundred dollars to put in a basic sound system to tens of thousands for a multi-room video system, with the installation itself costing quite a lot based on the amount of new wiring. It is in one's best interest to include all of these in determining long-term ownership cost of the system.

A new intercom system, however, is less of an expense and more of a capital investment with a certain payback. A state-of-the-art system significantly contributes to building security, an ongoing concern to all, and is a great marketing feature to help bring in higher-quality, high-tech building tenants, to pay-up rents maybe. It also simplifies property management, which, with features such as remote control of directories and access rights, is certainly an enormous plus. Last but not least, by opting to upgrade apartment intercom, you reduce future maintenance expenses and the frustration of multiple service calls, turning a liability into an asset.

Upgrade Pathways: Wired, Wireless, & Retrofit Options

In intercom replacement in apartments, landlords have ample options in each of these categories. Complete wired replacement with the new, high-spec wiring (e.g., Cat5/Cat6 Ethernet) from every unit offers greatest reliability but at the same cost and disruption to most buildings as demolishing walls. An even newer, more pervasive solution is a full wireless (IP/Cloud-based) substitute, where power and internet are only needed to the master entry panel and all notifications are delivered to residents' phones via an app. This removes any hardware and wiring in-unit completely, reducing installation cost and tenant disruption by an order of magnitude.

In the case of older buildings already existing with wire integrity, retrofitting is an intelligent and cost-saving solution. IP-over-2-Wire technology is the groundbreaking system that brings the capability of transmitting high-bandwidth IP data (for video, audio, and control) over the low-voltage wiring (2-wire, 4-wire, or coaxial) already present in the building. Central panel and in each apartment converters offer a full-feature, state-of-the-art IP video intercom system without the prohibitive expense of a complete rewiring project. Or there is an even simpler "cover and replace" method of taking out the old stations from the wall with blank plates over them and mounting a new, totally wireless panel at the entry point, with no regard whatsoever for the pre-existing wiring. One question that comes up right away for tenants is can they simply swap apartment intercom phone replacement in their unit for a new one.

For most aging buildings, this simply isn't feasible because the in-unit station is closed system and proprietary. However, there are clever solutions: for instance, Teman GateGuard offers a modern, AI-powered intercom with literally no in-unit wiring whatsoever. It uses its own 4G internet to offer remote access and video intercom straight to residents' phones, along with AI-powered security and affordable long-term plans. This is in contrast to the manner in which coherent, building-wide solutions like Teman GateGuard, conceived and installed by management, are invariably superior to tenant-driven partial upgrades that are piecemeal, delivering consistent service and security to all building tenants.

Planning Your Intercom Upgrade: Key Preparation Steps

Thoughtful planning is the key to upgrading your intercom system successfully, without expensive mistakes and timelines. Begin by taking thoughtful measurements of your building's specific needs: accurately calculate the apartment units and doors, and have clear must-haves in mind. Do you need simple audio, or video capability, smartphone app integration, and remote unlock feature priority? Having these parameters in hand will determine your selection of the correct upgrade apartment intercom path, a complete rewire, a totally wireless installation, or an intelligent retrofit solution. Having had your system selection confirmed, proceed with care to acquire all equipment and materials required prior to work.

This checklist will need to include the complete intercom kit, proper wiring of the type (i.e., Cat5/6 for new buildings, or dedicated 2-wire for retrofits), old work electrical boxes, quality drill with bit set, fish tape for cable pulling, wire strippers, screwdrivers, a level, and, naturally, all of the necessary safety equipment. Having the above will mean unbroken, smooth installation. Finally, locate and orient the units carefully.

Select the precise location for the outdoor intake unit, ideally under a weather-sheltered condition and on an easily accessible level (about 54 inches above the floor). Identify the precise locations for any indoor units and central power distribution center or source. Most importantly, design the route for all wiring runs, if there are any. As you wire, mark all wires at once and lastly with the respective apartment number. That little detail will be absolutely crucial to being plugged in correctly later and will save enormous trouble-shooting time when you're replacing intercoms in apartments.

Hands-On Installation: From Old to New Intercom

Safety always comes first before there is any physical work being carried out. Proceed to your building's master electric panel and locate the circuit breaker for the current intercom system. Switch it off. Do not forget the crucial step of verifying by way of a voltage tester of the old central panel or master station that all power is switched off before proceeding to carry out any work around any wires. This single action protects you from an electric shock and gives you a safe environment to work in for your apartment intercom replacement.

With electricity turned off, you can proceed with the installation of the new outdoor unit. Cut carefully the master station or outdoor panel hole, ideally between studs within the wall to provide maximum support. Once installed and wired to it, its seams should be sealed up with weather-tight sealant or silicone caulk. Such a simple process protects internal components from bugs, dust, and water, significantly enhancing the life and reliability of your new system.

With wire or retrofit installations, the wire run phase comes next – typically the most labor-intensive part of the job. Wherever possible, use existing routes like attics, crawl spaces, or basements for a neater, less invasive job. Fish through wall cavities using fish tape to install wire without kinking or damage. At every apartment location, use an old work electrical box as a guide and cut and punch an exact drywall hole. Route the correctly labeled cable behind the wall and into the box and install the box down for the upgrade apartment intercom unit.

Testing & Configuration: Ensuring Your New System Works

Now that hard connections are all soldered and tested with caution, it's time to get your new system in line. Resupply power to the intercom circuit at the primary breaker panel. Now systematically go through each function to ensure that it is functioning as it should be. Start at the exterior panel: press each of the call buttons individually to ensure that proper apartment is ringing. With one station including an assistant, test talk and listen features to ensure proper acceptably two-way audio. As a final exercise, verify the door release button properly releases the electric strike and admits entry.

If a station or function fails to work correctly, begin debugging by first ensuring all of the connections in the wiring in the master panel and apartment station are correct. Ensure the wire that bears the correct unit is in good condition and all terminals are seated properly. Wireless units tend to generate such typical issues as static or missed calls by disrupting other electronic devices in the surrounding area or if the unit has been put too far from the router. Try moving the router or unit closer for improved signal quality and an excellent connection.

The final stage involves configuring your new system and, crucially, onboarding your residents. Follow the manufacturer’s instructions to program any custom settings, such as adjusting individual volume levels for each apartment or customizing call tones. For smart intercom systems, this is when you’ll register the device with the manufacturer’s cloud service and connect it to the building’s local network. Lastly, take your residents through installing the app and mounting the cell phone, giving them simple step-by-step instructions in utilizing functionalities like remote opening and video calling to help them get the most use out of your brand-new installed upgrade apartment intercom.

It's a whole lot more than fixing a regular one to upgrade your existing apartment intercom; it is an innovative investment in the future of your property. By recognizing the telltale signs of an old system, determining the true cost-benefit of upgrading, and selecting the optimal route of modernization—whether a complete-wired rebuild, IP-over-2-wire upgrade, or completely wireless option like Teman GateGuard—landlords can transform a maintenance plague into a value-generating asset. A state-of-the-art intercom system enhances security, greatly enhances tenant satisfaction, streamlines property management, and ultimately helps ensure the long-term value and marketability of your building. Don't stand the chance of losing your property over an outdated system; transition now and bring apartment intercom into a solid, feature-rich solution that serves everyone best.